Embedded Files
Peer-reviewed academic journals and proceedings
Peer-reviewed academic journals and proceedings
65. "High-Frequency...,"..... (In Revision)
64. "Surface Tension...,"..... (In Revision)
63. "Heterojunction...,"..... (In Revision)
62. Sohee Kim, Goeun Pyo, Wonhyuk Choi, Hyun Woo Jang, Hyeokjin Kwon, Kwangsu Kim, Su Jin Heo, Dong Su Kim, Jongyoun Kim, Youngu Lee, Hongki Kang, Hyuk-Jun Kwon, Cheil Moon, Jae Eun Jang*, "Electronic Nose Based on a Multi-TFT Sensor Array Structure for Detecting Odorants with High Selectivity," ANALYSIS & SENSING, 2025, e202500003. (Link)
61. Duhee Kim†, Murali Bissannagari†, Boil Kim†, Nari Hong, Jaeu Park, Hyeongtae Lim, Junhee Lee, Jungha Lee, Yoon Kyoung Kim, Youngjae Cho, Kwang Lee, Junghyup Lee, Jong-Hyeok Yoon, Jae Eun Jang, David Tsai, Sanghoon Lee, Hyuk-Jun Kwon, Han Kyoung Choe*, and Hongki Kang*, "Hexagonal Metal Complex Based Mechanically Robust Transparent Ultrathin Gold µECoG for Electro-Optical Neural Interfaces," npj FLEXIBLE ELECTRONICS, 2025. (Link)
60. Jee Woong Lee, Junhee Lee, Jungha Lee, Duhee Kim, Woongki Hong, Junghyup Lee, Minyoung Song, and Hongki Kang*, “Transparent Temperature Sensors for Photothermal Neuromodulation: Advances, Challenges, and Future Directions,” ADVANCED MATERIALS INTERFACES, 2025.(Link)
59. "Duhee Kim†, Jee Woong Lee†, Seoyoung Kang†, Woongki Hong, Jungha Lee, Hyuk-Jun Kwon, Jae Eun Jang, Luke P. Lee, and Hongki Kang*, “Simultaneous Detection of Neural Activity and Temperature in Photothermal Neural Stimulation,” ADVANCED SCIENCE, 2025.(Link)
58. Youngjae Cho, Kihyuk Kim, Duhee Kim, Murali Bissannagari, Jungha Lee, Woongki Hong, Hyuk-Jun Kwon, Jae Eun Jang, and Hongki Kang*, "Stretchable substrate surface-embedded inkjet-printed strain sensors for design customizable on-skin healthcare electronics," ACS APPLIED ELECTRONIC MATERIALS, 2024. (Link)
57. Jiwon Chae, Dongsu Kim, Goeun Pyo, Su Jin Heo, Joonghyun Kim, Kwonsik Shin, Byoung Ok Jun, Hongki Kang, Hyuk-Jun Kwon, Ji-Woong Choi, Junghyup Lee, Jae Eun Jang*, “Flexible multi-electrode neural probe using active-matrix design of transistor array,” SENSORS & ACTUATORS: A. PHYSICAL, 2024. (Link)
56. Seunghun Baik, Heejae Jeong, Geuntae Park, Hongki Kang, Jae Eun Jang, and Hyuk-Jun Kwon*, “Heavily phosphorus doped germanium with local strain compensation effect by Co-implantation and rapid thermal process,” JOURNAL OF ALLOYS AND COMPOUNDS, 173952, 2024. (Link)
55. Hyungtae Lim, Hyeokjin Kwon, Hongki Kang, Jae Eun Jang, and Hyuk-Jun Kwon*, "Laser-Induced and MOF-Derived Metal Oxide/Carbon Composite for Synergistically Improved Ethanol Sensing at Room temperature," NANO-MICRO LETTERS, 16, 113, 2024. (Link)
54. Won-Yong Lee, Junhee Lee, Hyuk-Jun Kwon, Kwangeun Kim, Hongki Kang*, and Jaewon Jang*, “High-detectivity silver telluride nanoparticle-based near-infrared photodetectors functionalized with surface-plasmonic gold nanoparticles,” APPLIED SURFACE SCIENCE, 654, 159563, 2024. (Link)
53. Taeryoung Seol, Geunha Kim, Sehwan Lee, Samhwan Kim, Dongwook Kim, Jeongyoon Wie, Yeonjae Shin, Hongki Kang, Jae Eun Jang, Arup K. George, Junghyup Lee*, "A Hybrid Recording System with 10kHz-BW 630mVPP 84.6dB-SNDR 173.3dB-FOMSNDR and 5kHz-BW 114dB-DR for Simultaneous ExG and Biocurrent Acquisition," IEEE International Solid-State Circuits Conference (ISSCC), 2024.
52. Nari Hong, Boil Kim, Jaewon Lee, Han Kyung Choe, Kyong Hwan Jin*, and Hongki Kang*,”Machine learning-based high-frequency neuronal spike reconstruction from low-frequency and low-sampling-rate recordings,” NATURE COMMUNICATIONS, 2024. (Link)
51. Donghoon Lee, Jungha Lee, Minhye Shin, Duhee Kim, Junhee Lee, Murali Bissannagari, Woongki Hong, Jae Eun Jang, Jaewon Jang*, Hongki Kang*, "Sol-gel processed Y2O3 embedded capacitor based physically unclonable function,” MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING, 2023. (Link)
50. Soohyun Park, Minhye Shin, Hongki Kang*, and Yoonhee Lee*, “Massive Fabrication of Carbon Nanotube Transistors by Surface tension-Driven inkjet-Printing Method,” 2023 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS), 2023. (Link)
49. Duhee Kim, Boil Kim, Han Kyoung Choe, and Hongki Kang*, “Optimization of Inkjet-Printed Seed Layer Induced Flexible, Transparent Metal Electrode for Bio-Signal Sensing,” 2023 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS), 2023. (Link)
48. Sangwoo Hwang, Yujin Hwang, Duhee Kim, Junhee Lee, Han Kyoung Choe, Junghyup Lee, Hongki Kangand Jaeha Kung*, “ReplaceNet: Real-time Replacement of a Biological Neural Circuit with a Hardware-assisted Spiking Neural Network,” FRONTIERS IN NEUROSCIENCE, 2023. (Link)
47. Seunghun Baik; Heejae Jeong; Geuntae Park, Hongki Kang, Jae Eun Jang, and Hyuk-Jun Kwon*, “Reducing Specific Contact Resistivity for n-type Germanium using Laser Activation Process and Nano-island Formation,” APPLIED SURFACE SCIENCE, 638, 157967, 2023. (Link)
46. Minkyung Sim, Jeonggyun Jang, Kwonsik Shin, Dongsu Kim, Joonghyun Kim, Hyuk-Jun Kwon, Hongki Kang, Jae Eun Jang, ”Tactile Sensor Structure Optimized for Sliding Motion with High Resolution Recording of Surface Topography,” IEEE ELECTRON DEVICE LETTERS, 2023. (Link)
45. Hyungtae Lim, Hyeokjin Kwon, Hongki Kang, Jae Eun Jang, and Hyuk-Jun Kwon*, “Semiconducting MOFs on ultraviolet laser-induced graphene with a hierarchical pore architecture for NO2 monitoring,” NATURE COMMUNICATIONS, 14(1), 3114, 2023. (Link)
44. Duhee Kim, Nari Hong, Woongki Hong, Junhee Lee, Murali Bissannagari, Youngjae Cho, Hyuk-Jun Kwon, Jae Eun Jang, and Hongki Kang*, “Inkjet-printed polyelectrolyte seed layer-based, customizable, transparent, ultrathin gold electrodes and facile implementation of photothermal effect,” ACS APPLIED MATERIALS & INTERFACES, 15(16), 20508-20519, 2023. (Link)
43. Chong-Myeong Song, Dongsu Kim, Hyungtae Lim, Hongki Kang, Jae Eun Jang, and Hyuk-Jun Kwon*, “Unlocking performance potential of two-dimensional SnS2 transistors with solution-processed high-k Y:HfO2film and semimetal bismuth contact,” APPLIED SURFACE SCIENCE, 617, 156577, 2023. (Link)
42. Bongho Jang, Junhee Lee, Hongki Kang, Jaewon Jang, and Hyuk-Jun Kwon*, “Schottky Barrier Modulation of Bottom Contact SnO2 Thin-Film Transistors via Chloride-Based Combustion Synthesis,” JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY, 148, 199-208, 2023. (Link)
41. Yujin Hwang†, Jungha Lee†, Su Jin Heo, Nari Hong, Junhee Lee, Jae Eun Jang, and Hongki Kang*,
“a-IGZO thin-film transistors with transparent ultrathin Al/Ag bilayer source and drain for active neural interfaces,” MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING, 154, 2023. (Link)40. Junhee Lee†, Seongkwon Hwang†, Nari Hong†, Jeonghun Kwak, Jae Eun Jang, Seungjun Chung*, and Hongki Kang*, ”High temporal resolution transparent thermoelectric temperature sensors for photothermal effect sensing,” MATERIALS HORIZONS, 10(1), 160-170, 2022. (Link)
39. Hongki Kang*, and Yoonkey Nam, “The Effect of Electrostatic Force between the Nanoparticles and the Substrate on the Uniform Assembly of Inkjet-Printed Nanoparticles,” JOURNAL OF FLEXIBLE AND PRINTED ELECTRONICS, 1(1), 79-89, 2022. (Link)
38. Kwonsik Shin, Eunmin Choi, Minkyung Sim, Minsoo Kang, Ji-Woong Choi, SeungNam Cha, Hyuk-Jun Kwon, Hongki Kang, and Jae Eun Jang*, “Fundamental insights into the electrical signals of a piezoelectric sensor in a sliding condition,” NANO ENERGY, 100 (107487), 107487, 2022. (Link)
37. Heejae Jeong, Y.S. Kim, Seunghun Baik, Hongki Kang, Jae Eun Jang, and Hyuk-Jun Kwon*, “High and Uniform Phosphorus Doping in Germanium through a Modified Plasma Assisted Delta Doping Process with H2 Plasma Treatment,” IEEE ELECTRON DEVICE LETTERS, 43(8), 1315-1318, 2022. (Link)
36. Min Soo Kang, Hyun Woo Jang, Min Kyung Sim, Kwonsik Shin, Dong Su Kim, Hongki Kang, Hyuk-Jun Kwon, and Jae Eun Jang*, “Detecting temperature of small object using hybrid tactile sensor array and multi-parameter extraction analysis,” SENSORS AND ACTUATORS A PHYS., 340, 113541, 2022. (Link)
35. Woongki Hong, Jee-Woong Lee, Duhee Kim, Yujin Hwang, Junhee Lee, Junil Kim, Nari Hong, Hyuk-Jun Kwon, Jae Eun Jang, Anna Rostedt Punga, and Hongki Kang*, “Ultrathin Gold Microelectrode Array using Polyelectrolyte Multilayers for Flexible and Transparent Electro-Optical Neural Interfaces,” ADVANCED FUNCTIONAL MATERIALS, 32, 2106493, 2022. (Link)
34. Junhee Lee, Nari Hong, Woongki Hong, Duhee Kim, Yujin Hwang, Jaewon Jang, and Hongki Kang*, “Semi-transparent, micrometer resolution p-NiO/n-ZnO heterojunction diode temperature sensors with ultrathin metal anode,” ADVANCED MATERIALS TECHNOLOGIES, 2100923, 2022. (Link)
33. Kyoungdu Kim, Woongki Hong, Changmin Lee, Wonyong Lee, Do Won Kim, Hyeon Joong Kim, Hyuk-Jun Kwon, Hongki Kang*, and Jaewon Jang*, “Sol–gel Processed Amorphous Phase ZrO2 Based Resistive Random Access Memory,” MATERIALS RESEARCH EXPRESS, 2021.(Link)
32. Woongki Hong, Junhee Lee, Duhee Kim, Yujin Hwang, Hyuk-Jun Kwon, Jae Eun Jang, and Hongki Kang*, “Computational thermal analysis of the phototheremal effect of thermo-plasmonic optical fiber for localized neural stimulation in vivo,” ELECTRONICS, 10, 118, 2021. (Link)
31. Hongki Kang, Woongki Hong, Yujin An, Sangjin Yoo, Hyuk-Jun Kwon, and Yoonkey Nam*, “Thermoplasmonic Optical Fiber for Localized Neural Stimulation,” ACS NANO, 14, 9, 11406–11419, 2020. (Link)
30. Daejeong Kim, Hongki Kang, and Yoonkey Nam*, “Compact 256-channel multi-well microelectrode array systems for in vitro neuropharmacology test,” LAB ON A CHIP, 20, 3410–3422, 2020. (Link)
29. Seunghun Baik, Dong-Jae Kwon, Hongki Kang, Jae Eun Jang, Jaewon Jang, Y.S. Kim, and Hyuk-Jun Kwon*, “Conformal and ultra shallow junction formation achieved using a pulsed-laser annealing process integrated with a modified plasma assisted doping method,” IEEE ACCESS, 8, 172166-172174, 2020. (Link)
28. Su Jin Heo, Seunguk Kim, Goeun Pyo, Jae Hoon Yang, Jeonghee Shin, Hyuk-Jun Kwon, Hongki Kang, Gae Hwang Lee, and Jae Eun Jang*, “Color Thin Film Transistors employing Periodic Nano-hole Structures,” ACS APPLIED ELECTRONIC MATERIALS, 2, 8, 2489-2497, 2020. (Link)
27. Bongho Jang, Hongki Kang, Won-Yong Lee, Jin-Hyuk Bae, In-Man Kang, Kwangeun Kim, Hyuk-Jun Kwon, and Jaewon Jang*, “Enhancement mode Flexible SnO2 Thin Film Transistors via a UV/Ozone Assisted Sol-Gel Approach,” IEEE ACCESS, 8, 123013-123018, 2020. (Link)
26. Changmin Lee, Won-Yong Lee, Hyunjae Lee, Seunghyun Ha, Jin-Hyuk Bae, In-Man Kang, Hongki Kang, Kwangeun Kim, Jaewon Jang*, “Sol-gel processed yttrium-doped SnO2 thin film transistors,” ELECTRONICS, 9(2), 254, 2020. (Link)
25. Jee Woong Lee†, Hongki Kang†, and Yoonkey Nam*, “Thermo-plasmonic gold nanofilm for simple and mass-producible photothermal neural interfaces,” NANOSCALE, 10(19), 9226–9235, 2018. (Link)
– ‡Equal contribution with J. W. Lee24. Hongki Kang, Gu-Haeng Lee, Hyunjun Jung, Jee Woong Lee and Yoonkey Nam*, “Inkjet-Printed Bio-Functional Thermo-Plasmonic Interfaces for Patterned Neuromodulation,” ACS NANO, 12, 2, 1128–1138, 2018. (Link)
23. Hongki Kang, Jee Woong Lee, and Yoonkey Nam*, “Inkjet-printed multi-wavelength thermo-plasmonic images for anti-counterfeiting applications,” ACS APPLIED MATERIALS & INTERFACES, 10, 7, 6764–6771, 2018. (Link)
22. Bongho Jang, Taegyun Kim, Sojeong Lee, Won-yong Lee, Hongki Kang, Chan Seob Cho, Jaewon Jang*, “High performance ultrathin SnO2 thin-film transistors by sol-gel method,” IEEE ELECTRON DEVICE LETTERS, 39(8), 1179-1182, 2018. (Link)
21. Hongki Kang, Gu-Haeng Lee and Yoonkey Nam*, “Inkjet-Printed Gold Nanorods using Biocompatible Polyelectrolyte Layer-by-Layer Coating for Patterned Photothermal Applications,” 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2017 (EMBS ’17), 3545–3548, 2017. (Link)
20. Hyunjun Jung, Hongki Kang, and Yoonkey Nam*, “Digital Micromirror based Near-infrared Illumination System for Plasmonic Photothermal Neuromodulation,” BIOMEDICAL OPTICS EXPRESS, 8, 2866, 2017. (Link)
19. Hongki Kang, Jee-Yeon Kim, Yang-Kyu Choi, and Yoonkey Nam*, “Feasibility Study of Extended-gate Type Silicon Nanowire Field-Effect Transistor for Neural Recording,” SENSORS, 17(4), 705, 2017. (Link)
18. Gerd Grau, Jialiang Cen, Hongki Kang, Rungrot Kitsomboonloha, William Scheideler, and Vivek Subramanian, “Gravure-printed electronics: Recent progress in tooling development, understanding of printing physics, and realization of printed devices,” FLEXIBLE and PRINTED ELECTRONICS, 1, 023002, 2016. (Link)
17. Jaewon Jang, Seungjun Chung, Hongki Kang, and Vivek Subramanian, “P-type CuO and Cu2O transistor derived from a sol-gel copper (Ⅱ) acetate monohydrate precursor,” THIN SOLID FILMS, Vol. 600, pp. 157-161, February 2016. (Link)
16. Rungrot Kitsomboonloha, Hongki Kang, Gerd Grau, William Scheideler, and Vivek Subramanian, “MHz-Range Fully Printed High-Performance Thin-Film Transistors by Using High-Resolution Gravure-Printed Lines,” ADVANCED ELECTRONIC MATERIALS, vol. 1, no. 12, Dec. 2015. (Link)
15. Jaewon Jang, Hongki Kang, Himamshu C. Nallan Chakravarthula, and Vivek Subramanian, "Fully inkjet-printed transparent oxide thin film transistors using a fugitive wettability switch,"
ADVANCED ELECTRONIC MATERIALS, vol. 1, no. 7, July 2015. (Link)14. Vivek Subramanian, Jialiang Cen, Alejandro de la Fuente Vornbrock, Gerd Grau, Hongki Kang, Rungrot Kitsomboonloha, Daniel Soltman, and Huai-Yuan Tseng, "High-speed printing of transistors: From Inks to Devices," PROCEEDINGS of the IEEE, vol. 103, no. 4, 2015. (Link)
13. Gerd Grau, Rungrot Kitsomboonloha, Hongki Kang, and Vivek Subramanian, "High performance printed organic transistors using a novel scanned thermal annealing technology," ORGANIC ELECTRONICS, vol. 20, pp. 150–157, May 2015. (Link)
12. Hongki Kang, Rungrot Kitsomboonloha, Kurt Ulmer, Lisa Stecker, Gerd Grau, Jaewon Jang and Vivek Subramanian, “Megahertz-class printed high mobility organic thin-film transistors and inverters on plastic using attoliter-scale high-speed gravure-printed sub-5 μm gate electrodes,” ORGANIC ELECTRONICS, vol. 15, no. 12, pp. 3639–3647, Dec. 2014. (Link)
11. Hyuk-Jun Kwon, Jaewon Jang, Hongki Kang, Sunkook Kim, Vivek Subramanian and Costas P. Grigoropoulos, "Electrical Characteristics of Multilayer MoS2 Transistors at Real Operating Temperatures and Different Ambient Conditions," ECS Trans. 2014, vol. 64, 8, pp. 127-133, 2014. (Link)
10. Gerd Grau, Rungrot Kitsomboonloha, Sarah L Swisher, Hongki Kang, Vivek Subramanian, “Printed Transistors on Paper: Towards Smart Consumer Product Packaging,” ADVANCED FUNCTIONAL MATERIALS, vol. 24, no. 32, pp. 5067–5074, 2014. (Link)
9. Hyuk-Jun Kwon‡, Hongki Kang‡, Jaewon Jang, Sunkook Kim, and Costas P. Grigoropoulos, “Analysis of flicker noise in two-dimensional multilayer MoS2 transistors," APPLIED PHYSICS LETTERS, 104, 083110, 2014. (Link) – ‡Equal contribution with H.-J. Kwon
8. Hongki Kang, and Vivek Subramanian, “Measurement and analysis of 1/f noise under switched bias in organic thin film transistors,” APPLIED PHYSICS LETTERS, 104, 023301, 2014. (Link)
7. Hongki Kang, Rungrot Kitsomboonloha, Jaewon Jang, and Vivek Subramanian, “High-performance printed transistors realized using femtoliter gravure-printed sub-10μm metallic nanoparticle patterns and highly uniform polymer dielectric and semiconductor layers,” ADVANCED MATERIALS, vol. 24, no. 22, pp. 3065–3069, 2012. (Link)
6. Jaewon Jang, Rungrot Kitsomboonloha, Sarah L. Swisher, Eung Seok Park, Hongki Kang, and Vivek Subramanian, “Transparent High-Performance Thin Film Transistors from Solution-Processed SnO2/ZrO2 Gel-like Precursors,” ADVANCED MATERIALS, vol. 25, no. 7, pp. 1042–1047, 2012. (Link)
5. Hongki Kang, Lakshmi Jagannathan, and Vivek Subramanian, "Measurement, analysis, and modeling of 1/f noise in pentacene TFTs," APPLIED PHYSICS LETTERS, 99, 062106, 2011. (Link)
4. Alejandro de la Fuente Vornbrock, Donovan Sung, Hongki Kang, Rungrot Kitsomboonloha, and Vivek Subramanian, "Fully gravure and ink-jet printed high speed pBTTT organic thin film transistors," ORGANIC ELECTRONICS, vol. 11, no. 12, pp. 2037-2044, DEC 2010. (Link)
3. Dan Soltman, Ben Smith, Hongki Kang, S.J.S. Morris, and Vivek Subramanian, "Methodology for inkjet printing partially wetting films," LANGMUIR, 2010, 26 (19), pp 15686-15693. (Link)
2. Hongki Kang, Dan Soltman, and Vivek Subramanian, "Hydrostatic Optimization of Inkjet-Printed Films," LANGMUIR, 2010, 26(13), 11568-11573. (Link)
1. Hongki Kang, Jin-Woo Han, and Yang-Kyu Choi*, "Analytical Threshold Voltage Model for Double-Gate MOSFETs with Localized Charges," IEEE ELECTRON DEVICE LETTERS, VOL. 29, NO. 8, 927-930, AUGUST 2008. (Link)
Patents
Patents
강홍기, 진경환, 궁재하, 이재원, 이정협, 홍나리,“신경망 모델에 기반하여 고주파 생체 신호를 복원하는 방법 및 장치 /APPARATUS AND METHOD FOR RECONSTRUCTING HIGH-FREQUENCY BIO-SIGNAL BASED ON NEURAL NETWORK MODEL,” 등록번호 10-2790372, 2025.
강홍기, 이동훈, 이정하, 홍웅기,“캐패시터형 보안 소자의 제조방법 및 이를 이용하여 제조된 캐패시터형 보안소자/Capacitor-type security element manufacturing method and capacitor-type security element manufactured using the same,” 등록 번호 10-2774060, 2025.
이정협, 위정윤, 강홍기, 신연재, 장재은 “저전압 표준 공정으로 구현 가능한 전류 기반 자극 회로 기술,” 출원 번호 10-2024-0024777, 2024.
Yoonhee Lee, Hongki Kang, Soohyun Park, Minhye Shin, “METHOD OF MANUFACTURING FIELD-EFFECT TRANSISTOR ARRAY BY DIRECT CARBON NANOTUBE PRINTING AND FIELD EFFECT TRANSISTOR ARRAY MANUFACTURED BY THE SAME,” in the United States Patent Application Publication, 18/506,657, November 10, 2023.
Hongki Kang, Kyong Hwan Jin, Jaeha Kung, Jaewon Lee, Junghyup Lee, and Nari Hong, “APPARATUS AND METHOD FOR RECONSTRUCTING HIGH-FREQUENCY BIO-SIGNAL BASED ON NEURAL NETWORK MODEL,” in the United States Patent Application Publication, 18/207,316, June 8, 2023.
이윤희, 강홍기, 박수현, 신민혜, “탄소나노튜브 직접 인쇄방식에 의한 전계효과 트랜지스터 어레이의 제조방법 및 이에 의해 제조된 전계효과 트랜지스터 어레이/MANUFACTURING METHOD OF FIELD EFFECT TRANSISTOR ARRAY BY DIRECT CARBON NANOTUBE PRINTING AND FIELD EFFECT TRANSISTOR ARRAY MANUFACTURED BY THE SAME THEREOF,” 출원 번호 10-2022-0174404, 2022.
강홍기, 정승준, 이준희, 황성권, 장재은, 홍나리,“온도 센서 및 그의 제조 방법/TEMPERATURE SENSOR AND METHOD FOR MANUFACTURING THEREOF,” 출원 번호 10-2022-0054407, 2022.
강홍기, Murali Bissannagari, 장재은, 이동훈, 이정협, 조영재, 진경환,“사용자 입력 장치/USER INPUT DEVICE,” 출원 번호 10-2022-0045487, 2022.
강홍기, 김두희, 이준희, 홍나리, 황유진 “투명 전극 및 광열층의 동시 패터닝 방법 및 이를 통하여 제조된 투명 전극 구조체, SIMULTANEOUS PATTERNING OF A TRANSPARENT ELECTRODE AND A PHOTOTHERMAL LAYER, AND A TRANSPARENT ELECTRODE STRUCTURE MANUFACTURED THROUGH THE SAME,” 출원 번호 10-2022-0039866, 2022.
장재은, 강홍기, 이정협, 진경환, 김동수, 김중현, 신권식, 최기순, “역촉각 재현 시스템 및 이의 구동 방법/ Retrotactile reproduction system and driving method thereof,” 출원 번호 10-2022-0031885, 2022.
이재원, 진경환, 강홍기, 이정협, 장재은 “이미지 복원 방법 및 장치/METHOD AND APPARATUS FOR RESTORING IMAGE,” 출원 번호 10-2022-0007884, 2022.
진경환, 강홍기, 이정협, 장재은 “이미지 처리 장치 및 방법/IMAGE PROCESS APPARATUS AND METHOD,” 출원 번호 10-2021-0144852, 2021.
강홍기, 홍웅기, 김두희 “저잡음 신경 전극 및 이의 제조방법/Low-noise neural electrode and method for manufacturing the same,” 출원 번호 10-2021-0081602, 2021.
남윤기, 강홍기, 이지웅 “위변조 방지용 구조체, 위변조 방지용 구조체 제조방법, 위변조 식별 방법 및 위변조 식별용 시스템/Structure for anti counterfeit, method for manufacturing of anti counterfeit structure, discriminating method for anti counterfeit and discriminating system for anti counterfeit,” 등록 번호 10-2059539-0000, 2019. (Link)
남윤기, 이지웅, 강홍기, “광열 신경자극이 가능한 미세전극칩 및 이를 이용한 신경세포 제어 방법/Microelectrode array chip capable of photothermal stimulation and control method of nerve cell using the same” 등록 번호 10-2043250-0000, 2019. (Link)
남윤기, 강홍기, 이구행, “나노 입자를 포함하는 잉크를 인쇄하는 프린팅 장치 및 나노 입자를 포함하는 잉크의 인쇄 방법, 이를 이용한 신경세포칩 및 제조 방법/Printing device for printing ink containing nanoparticles and printing method of ink containing nanoparticles, neural interface chip and manufacturing method using same thereof” 등록 번호 10-2007963-0000, 2019. (Link)
Kenneth Shepard, Hongki Kang, Jordan Thimot, and Chen Shi, “Micron-scale ultrasonic tags,” in the United States Patent Application Publication, No. US 2018/0193000 A1, Jul. 12, 2018. (Link)
Kenneth Shepard, David Tsai, and Hongki Kang, “Flexible complementary metal-oxide-semiconductor probes for chronic, large-scale neural stimulation and recording,” in the United States Patent Application Publication, No. US 2018/0185656 A1, Jul. 5, 2018. (Link)
Books
Books
Hongki Kang and Yoonkey Nam, “In Vitro Neural Recording by Microelectrode Arrays,” in Stretchable Bioelectronics for Medical Devices and Systems, J. A. Rogers, R. Ghaffari and D.-H. Kim, Eds. Springer US, 2016, pp. 275-291. (ISBN: 978-3-319-28692-1, Link)
Categorized by topics
Categorized by topics
Neurotechnologies (Neural interfaces, Neuromodulation)
Neurotechnologies (Neural interfaces, Neuromodulation)
61. Duhee Kim†, Murali Bissannagari†, Boil Kim†, Nari Hong, Jaeu Park, Hyeongtae Lim, Junhee Lee, Jungha Lee, Yoon Kyoung Kim, Youngjae Cho, Kwang Lee, Junghyup Lee, Jong-Hyeok Yoon, Jae Eun Jang, David Tsai, Sanghoon Lee, Hyuk-Jun Kwon, Han Kyoung Choe*, and Hongki Kang*, "Hexagonal Metal Complex Based Mechanically Robust Transparent Ultrathin Gold µECoG for Electro-Optical Neural Interfaces," npj FLEXIBLE ELECTRONICS, 2025. (Link)
59. "Duhee Kim†, Jee Woong Lee†, Seoyoung Kang†, Woongki Hong, Jungha Lee, Hyuk-Jun Kwon, Jae Eun Jang, Luke P. Lee, and Hongki Kang*, “Simultaneous Detection of Neural Activity and Temperature in Photothermal Neural Stimulation,” ADVANCED SCIENCE, 2025.(Link)
57. Jiwon Chae, Dongsu Kim, Goeun Pyo, Su Jin Heo, Joonghyun Kim, Kwonsik Shin, Byoung Ok Jun, Hongki Kang, Hyuk-Jun Kwon, Ji-Woong Choi, Junghyup Lee, Jae Eun Jang*, “Flexible multi-electrode neural probe using active-matrix design of transistor array,” SENSORS & ACTUATORS: A. PHYSICAL, 2024. (Link)
53. Taeryoung Seol, Geunha Kim, Sehwan Lee, Samhwan Kim, Dongwook Kim, Jeongyoon Wie, Yeonjae Shin, Hongki Kang, Jae Eun Jang, Arup K. George, Junghyup Lee*, "A Hybrid Recording System with 10kHz-BW 630mVPP 84.6dB-SNDR 173.3dB-FOMSNDR and 5kHz-BW 114dB-DR for Simultaneous ExG and Biocurrent Acquisition," IEEE International Solid-State Circuits Conference (ISSCC), 2024.
52. Nari Hong, Boil Kim, Jaewon Lee, Han Kyung Choe, Kyong Hwan Jin*, and Hongki Kang*,”Machine learning-based high-frequency neuronal spike reconstruction from low-frequency and low-sampling-rate recordings,” NATURE COMMUNICATIONS, 2024. (Link)
49. Duhee Kim, Boil Kim, Han Kyoung Choe, and Hongki Kang*, “Optimization of Inkjet-Printed Seed Layer Induced Flexible, Transparent Metal Electrode for Bio-Signal Sensing,” 2023 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS), 2023. (Link)
48. Sangwoo Hwang, Yujin Hwang, Duhee Kim, Junhee Lee, Han Kyoung Choe, Junghyup Lee, Hongki Kangand Jaeha Kung*, “ReplaceNet: Real-time Replacement of a Biological Neural Circuit with a Hardware-assisted Spiking Neural Network,” FRONTIERS IN NEUROSCIENCE, 2023. (Link)
44. Duhee Kim, Nari Hong, Woongki Hong, Junhee Lee, Murali Bissannagari, Youngjae Cho, Hyuk-Jun Kwon, Jae Eun Jang, and Hongki Kang*, “Inkjet-printed polyelectrolyte seed layer-based, customizable, transparent, ultrathin gold electrodes and facile implementation of photothermal effect,” ACS APPLIED MATERIALS & INTERFACES, 15(16), 20508-20519, 2023. (Link)
41. Yujin Hwang†, Jungha Lee†, Su Jin Heo, Nari Hong, Junhee Lee, Jae Eun Jang, and Hongki Kang*,
“a-IGZO thin-film transistors with transparent ultrathin Al/Ag bilayer source and drain for active neural interfaces,” MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING, 154, 2023. (Link)35. Woongki Hong, Jee-Woong Lee, Duhee Kim, Yujin Hwang, Junhee Lee, Junil Kim, Nari Hong, Hyuk-Jun Kwon, Jae Eun Jang, Anna Rostedt Punga, and Hongki Kang*, “Ultrathin Gold Microelectrode Array using Polyelectrolyte Multilayers for Flexible and Transparent Electro-Optical Neural Interfaces,” ADVANCED FUNCTIONAL MATERIALS, 32, 2106493, 2022. (Link)
32. Woongki Hong, Junhee Lee, Duhee Kim, Yujin Hwang, Hyuk-Jun Kwon, Jae Eun Jang, and Hongki Kang*, “Computational thermal analysis of the phototheremal effect of thermo-plasmonic optical fiber for localized neural stimulation in vivo,” ELECTRONICS, 10, 118, 2021. (Link)
31. Hongki Kang, Woongki Hong, Yujin An, Sangjin Yoo, Hyuk-Jun Kwon, and Yoonkey Nam*, “Thermoplasmonic Optical Fiber for Localized Neural Stimulation,” ACS NANO, 14, 9, 11406–11419, 2020. (Link)
30. Daejeong Kim, Hongki Kang, and Yoonkey Nam*, “Compact 256-channel multi-well microelectrode array systems for in vitro neuropharmacology test,” LAB ON A CHIP, 20, 3410–3422, 2020. (Link)
25. Jee Woong Lee†, Hongki Kang†, and Yoonkey Nam*, “Thermo-plasmonic gold nanofilm for simple and mass-producible photothermal neural interfaces,” NANOSCALE, 10(19), 9226–9235, 2018. (Link)
– ‡Equal contribution with J. W. Lee24. Hongki Kang, Gu-Haeng Lee, Hyunjun Jung, Jee Woong Lee and Yoonkey Nam*, “Inkjet-Printed Bio-Functional Thermo-Plasmonic Interfaces for Patterned Neuromodulation,” ACS NANO, 12, 2, 1128–1138, 2018. (Link)
21. Hongki Kang, Gu-Haeng Lee and Yoonkey Nam*, “Inkjet-Printed Gold Nanorods using Biocompatible Polyelectrolyte Layer-by-Layer Coating for Patterned Photothermal Applications,” 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2017 (EMBS ’17), 3545–3548, 2017. (Link)
20. Hyunjun Jung, Hongki Kang, and Yoonkey Nam*, “Digital Micromirror based Near-infrared Illumination System for Plasmonic Photothermal Neuromodulation,” BIOMEDICAL OPTICS EXPRESS, 8, 2866, 2017. (Link)
19. Hongki Kang, Jee-Yeon Kim, Yang-Kyu Choi, and Yoonkey Nam*, “Feasibility Study of Extended-gate Type Silicon Nanowire Field-Effect Transistor for Neural Recording,” SENSORS, 17(4), 705, 2017. (Link)
Sensors
Sensors
62. Sohee Kim, Goeun Pyo, Wonhyuk Choi, Hyun Woo Jang, Hyeokjin Kwon, Kwangsu Kim, Su Jin Heo, Dong Su Kim, Jongyoun Kim, Youngu Lee, Hongki Kang, Hyuk-Jun Kwon, Cheil Moon, Jae Eun Jang*, "Electronic Nose Based on a Multi-TFT Sensor Array Structure for Detecting Odorants with High Selectivity," ANALYSIS & SENSING, 2025, e202500003. (Link)
58. Youngjae Cho, Kihyuk Kim, Duhee Kim, Murali Bissannagari, Jungha Lee, Woongki Hong, Hyuk-Jun Kwon, Jae Eun Jang, and Hongki Kang*, "Stretchable substrate surface-embedded inkjet-printed strain sensors for design customizable on-skin healthcare electronics," ACS APPLIED ELECTRONIC MATERIALS, 2024. (Link)
55. Hyungtae Lim, Hyeokjin Kwon, Hongki Kang, Jae Eun Jang, and Hyuk-Jun Kwon*, "Laser-Induced and MOF-Derived Metal Oxide/Carbon Composite for Synergistically Improved Ethanol Sensing at Room temperature," NANO-MICRO LETTERS, 16, 113, 2024. (Link)
54. Won-Yong Lee, Junhee Lee, Hyuk-Jun Kwon, Kwangeun Kim, Hongki Kang*, and Jaewon Jang*, “High-detectivity silver telluride nanoparticle-based near-infrared photodetectors functionalized with surface-plasmonic gold nanoparticles,” APPLIED SURFACE SCIENCE, 654, 159563, 2024. (Link)
50. Soohyun Park, Minhye Shin, Hongki Kang*, and Yoonhee Lee*, “Massive Fabrication of Carbon Nanotube Transistors by Surface tension-Driven inkjet-Printing Method,” 2023 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS), 2023. (Link)
46. Minkyung Sim, Jeonggyun Jang, Kwonsik Shin, Dongsu Kim, Joonghyun Kim, Hyuk-Jun Kwon, Hongki Kang, Jae Eun Jang, ”Tactile Sensor Structure Optimized for Sliding Motion with High Resolution Recording of Surface Topography,” IEEE ELECTRON DEVICE LETTERS, 2023. (Link)
45. Hyungtae Lim, Hyeokjin Kwon, Hongki Kang, Jae Eun Jang, and Hyuk-Jun Kwon*, “Semiconducting MOFs on ultraviolet laser-induced graphene with a hierarchical pore architecture for NO2 monitoring,” NATURE COMMUNICATIONS, 14(1), 3114, 2023. (Link)
40. Junhee Lee†, Seongkwon Hwang†, Nari Hong†, Jeonghun Kwak, Jae Eun Jang, Seungjun Chung*, and Hongki Kang*, ”High temporal resolution transparent thermoelectric temperature sensors for photothermal effect sensing,” MATERIALS HORIZONS, 10(1), 160-170, 2022. (Link)
38. Kwonsik Shin, Eunmin Choi, Minkyung Sim, Minsoo Kang, Ji-Woong Choi, SeungNam Cha, Hyuk-Jun Kwon, Hongki Kang, and Jae Eun Jang*, “Fundamental insights into the electrical signals of a piezoelectric sensor in a sliding condition,” NANO ENERGY, 100 (107487), 107487, 2022. (Link)
36. Min Soo Kang, Hyun Woo Jang, Min Kyung Sim, Kwonsik Shin, Dong Su Kim, Hongki Kang, Hyuk-Jun Kwon, and Jae Eun Jang*, “Detecting temperature of small object using hybrid tactile sensor array and multi-parameter extraction analysis,” SENSORS AND ACTUATORS A PHYS., 340, 113541, 2022. (Link)
34. Junhee Lee, Nari Hong, Woongki Hong, Duhee Kim, Yujin Hwang, Jaewon Jang, and Hongki Kang*, “Semi-transparent, micrometer resolution p-NiO/n-ZnO heterojunction diode temperature sensors with ultrathin metal anode,” ADVANCED MATERIALS TECHNOLOGIES, 2100923, 2022. (Link)
Flexible Electronics & Semiconductor Devices & Advanced Fabrication Processes
Flexible Electronics & Semiconductor Devices & Advanced Fabrication Processes
56. Seunghun Baik, Heejae Jeong, Geuntae Park, Hongki Kang, Jae Eun Jang, and Hyuk-Jun Kwon*, “Heavily phosphorus doped germanium with local strain compensation effect by Co-implantation and rapid thermal process,” JOURNAL OF ALLOYS AND COMPOUNDS, 173952, 2024. (Link)
51. Donghoon Lee, Jungha Lee, Minhye Shin, Duhee Kim, Junhee Lee, Murali Bissannagari, Woongki Hong, Jae Eun Jang, Jaewon Jang*, Hongki Kang*, "Sol-gel processed Y2O3 embedded capacitor based physically unclonable function,” MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING, 2023. (Link)
47. Seunghun Baik; Heejae Jeong; Geuntae Park, Hongki Kang, Jae Eun Jang, and Hyuk-Jun Kwon*, “Reducing Specific Contact Resistivity for n-type Germanium using Laser Activation Process and Nano-island Formation,” APPLIED SURFACE SCIENCE, 638, 157967, 2023. (Link)
43. Chong-Myeong Song, Dongsu Kim, Hyungtae Lim, Hongki Kang, Jae Eun Jang, and Hyuk-Jun Kwon*, “Unlocking performance potential of two-dimensional SnS2 transistors with solution-processed high-k Y:HfO2film and semimetal bismuth contact,” APPLIED SURFACE SCIENCE, 617, 156577, 2023. (Link)
42. Bongho Jang, Junhee Lee, Hongki Kang, Jaewon Jang, and Hyuk-Jun Kwon*, “Schottky Barrier Modulation of Bottom Contact SnO2 Thin-Film Transistors via Chloride-Based Combustion Synthesis,” JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY, 148, 199-208, 2023. (Link)
39. Hongki Kang*, and Yoonkey Nam, “The Effect of Electrostatic Force between the Nanoparticles and the Substrate on the Uniform Assembly of Inkjet-Printed Nanoparticles,” JOURNAL OF FLEXIBLE AND PRINTED ELECTRONICS, 1(1), 79-89, 2022. (Link)
37. Heejae Jeong, Y.S. Kim, Seunghun Baik, Hongki Kang, Jae Eun Jang, and Hyuk-Jun Kwon*, “High and Uniform Phosphorus Doping in Germanium through a Modified Plasma Assisted Delta Doping Process with H2 Plasma Treatment,” IEEE ELECTRON DEVICE LETTERS, 43(8), 1315-1318, 2022. (Link)
33. Kyoungdu Kim, Woongki Hong, Changmin Lee, Wonyong Lee, Do Won Kim, Hyeon Joong Kim, Hyuk-Jun Kwon, Hongki Kang*, and Jaewon Jang*, “Sol–gel Processed Amorphous Phase ZrO2 Based Resistive Random Access Memory,” MATERIALS RESEARCH EXPRESS, 2021.(Link)
29. Seunghun Baik, Dong-Jae Kwon, Hongki Kang, Jae Eun Jang, Jaewon Jang, Y.S. Kim, and Hyuk-Jun Kwon*, “Conformal and ultra shallow junction formation achieved using a pulsed-laser annealing process integrated with a modified plasma assisted doping method,” IEEE ACCESS, 8, 172166-172174, 2020. (Link)
28. Su Jin Heo, Seunguk Kim, Goeun Pyo, Jae Hoon Yang, Jeonghee Shin, Hyuk-Jun Kwon, Hongki Kang, Gae Hwang Lee, and Jae Eun Jang*, “Color Thin Film Transistors employing Periodic Nano-hole Structures,” ACS APPLIED ELECTRONIC MATERIALS, 2, 8, 2489-2497, 2020. (Link)
27. Bongho Jang, Hongki Kang, Won-Yong Lee, Jin-Hyuk Bae, In-Man Kang, Kwangeun Kim, Hyuk-Jun Kwon, and Jaewon Jang*, “Enhancement mode Flexible SnO2 Thin Film Transistors via a UV/Ozone Assisted Sol-Gel Approach,” IEEE ACCESS, 8, 123013-123018, 2020. (Link)
26. Changmin Lee, Won-Yong Lee, Hyunjae Lee, Seunghyun Ha, Jin-Hyuk Bae, In-Man Kang, Hongki Kang, Kwangeun Kim, Jaewon Jang*, “Sol-gel processed yttrium-doped SnO2 thin film transistors,” ELECTRONICS, 9(2), 254, 2020. (Link)
22. Bongho Jang, Taegyun Kim, Sojeong Lee, Won-yong Lee, Hongki Kang, Chan Seob Cho, Jaewon Jang*, “High performance ultrathin SnO2 thin-film transistors by sol-gel method,” IEEE ELECTRON DEVICE LETTERS, 39(8), 1179-1182, 2018. (Link)
23. Hongki Kang, Jee Woong Lee, and Yoonkey Nam*, “Inkjet-printed multi-wavelength thermo-plasmonic images for anti-counterfeiting applications,” ACS APPLIED MATERIALS & INTERFACES, 10, 7, 6764–6771, 2018. (Link)
17. Jaewon Jang, Seungjun Chung, Hongki Kang, and Vivek Subramanian, “P-type CuO and Cu2O transistor derived from a sol-gel copper (Ⅱ) acetate monohydrate precursor,” THIN SOLID FILMS, Vol. 600, pp. 157-161, February 2016. (Link)
16. Rungrot Kitsomboonloha, Hongki Kang, Gerd Grau, William Scheideler, and Vivek Subramanian, “MHz-Range Fully Printed High-Performance Thin-Film Transistors by Using High-Resolution Gravure-Printed Lines,” ADVANCED ELECTRONIC MATERIALS, vol. 1, no. 12, Dec. 2015. (Link)
15. Jaewon Jang, Hongki Kang, Himamshu C. Nallan Chakravarthula, and Vivek Subramanian, "Fully inkjet-printed transparent oxide thin film transistors using a fugitive wettability switch,"
ADVANCED ELECTRONIC MATERIALS, vol. 1, no. 7, July 2015. (Link)14. Vivek Subramanian, Jialiang Cen, Alejandro de la Fuente Vornbrock, Gerd Grau, Hongki Kang, Rungrot Kitsomboonloha, Daniel Soltman, and Huai-Yuan Tseng, "High-speed printing of transistors: From Inks to Devices," PROCEEDINGS of the IEEE, vol. 103, no. 4, 2015. (Link)
13. Gerd Grau, Rungrot Kitsomboonloha, Hongki Kang, and Vivek Subramanian, "High performance printed organic transistors using a novel scanned thermal annealing technology," ORGANIC ELECTRONICS, vol. 20, pp. 150–157, May 2015. (Link)
12. Hongki Kang, Rungrot Kitsomboonloha, Kurt Ulmer, Lisa Stecker, Gerd Grau, Jaewon Jang and Vivek Subramanian, “Megahertz-class printed high mobility organic thin-film transistors and inverters on plastic using attoliter-scale high-speed gravure-printed sub-5 μm gate electrodes,” ORGANIC ELECTRONICS, vol. 15, no. 12, pp. 3639–3647, Dec. 2014. (Link)
11. Hyuk-Jun Kwon, Jaewon Jang, Hongki Kang, Sunkook Kim, Vivek Subramanian and Costas P. Grigoropoulos, "Electrical Characteristics of Multilayer MoS2 Transistors at Real Operating Temperatures and Different Ambient Conditions," ECS Trans. 2014, vol. 64, 8, pp. 127-133, 2014. (Link)
10. Gerd Grau, Rungrot Kitsomboonloha, Sarah L Swisher, Hongki Kang, Vivek Subramanian, “Printed Transistors on Paper: Towards Smart Consumer Product Packaging,” ADVANCED FUNCTIONAL MATERIALS, vol. 24, no. 32, pp. 5067–5074, 2014. (Link)
9. Hyuk-Jun Kwon‡, Hongki Kang‡, Jaewon Jang, Sunkook Kim, and Costas P. Grigoropoulos, “Analysis of flicker noise in two-dimensional multilayer MoS2 transistors," APPLIED PHYSICS LETTERS, 104, 083110, 2014. (Link) – ‡Equal contribution with H.-J. Kwon
8. Hongki Kang, and Vivek Subramanian, “Measurement and analysis of 1/f noise under switched bias in organic thin film transistors,” APPLIED PHYSICS LETTERS, 104, 023301, 2014. (Link)
7. Hongki Kang, Rungrot Kitsomboonloha, Jaewon Jang, and Vivek Subramanian, “High-performance printed transistors realized using femtoliter gravure-printed sub-10μm metallic nanoparticle patterns and highly uniform polymer dielectric and semiconductor layers,” ADVANCED MATERIALS, vol. 24, no. 22, pp. 3065–3069, 2012. (Link)
6. Jaewon Jang, Rungrot Kitsomboonloha, Sarah L. Swisher, Eung Seok Park, Hongki Kang, and Vivek Subramanian, “Transparent High-Performance Thin Film Transistors from Solution-Processed SnO2/ZrO2 Gel-like Precursors,” ADVANCED MATERIALS, vol. 25, no. 7, pp. 1042–1047, 2012. (Link)
5. Hongki Kang, Lakshmi Jagannathan, and Vivek Subramanian, "Measurement, analysis, and modeling of 1/f noise in pentacene TFTs," APPLIED PHYSICS LETTERS, 99, 062106, 2011. (Link)
4. Alejandro de la Fuente Vornbrock, Donovan Sung, Hongki Kang, Rungrot Kitsomboonloha, and Vivek Subramanian, "Fully gravure and ink-jet printed high speed pBTTT organic thin film transistors," ORGANIC ELECTRONICS, vol. 11, no. 12, pp. 2037-2044, DEC 2010. (Link)
3. Dan Soltman, Ben Smith, Hongki Kang, S.J.S. Morris, and Vivek Subramanian, "Methodology for inkjet printing partially wetting films," LANGMUIR, 2010, 26 (19), pp 15686-15693. (Link)
2. Hongki Kang, Dan Soltman, and Vivek Subramanian, "Hydrostatic Optimization of Inkjet-Printed Films," LANGMUIR, 2010, 26(13), 11568-11573. (Link)
1. Hongki Kang, Jin-Woo Han, and Yang-Kyu Choi*, "Analytical Threshold Voltage Model for Double-Gate MOSFETs with Localized Charges," IEEE ELECTRON DEVICE LETTERS, VOL. 29, NO. 8, 927-930, AUGUST 2008. (Link)
Reviews
Reviews
60. Jee Woong Lee, Junhee Lee, Jungha Lee, Duhee Kim, Woongki Hong, Junghyup Lee, Minyoung Song, and Hongki Kang*, “Transparent Temperature Sensors for Photothermal Neuromodulation: Advances, Challenges, and Future Directions,” ADVANCED MATERIALS INTERFACES, 2025.(Link)
18. Gerd Grau, Jialiang Cen, Hongki Kang, Rungrot Kitsomboonloha, William Scheideler, and Vivek Subramanian, “Gravure-printed electronics: Recent progress in tooling development, understanding of printing physics, and realization of printed devices,” FLEXIBLE and PRINTED ELECTRONICS, 1, 023002, 2016. (Link)
(Book chapter #1) Hongki Kang and Yoonkey Nam, “In Vitro Neural Recording by Microelectrode Arrays,” in Stretchable Bioelectronics for Medical Devices and Systems, J. A. Rogers, R. Ghaffari and D.-H. Kim, Eds. Springer US, 2016, pp. 275-291. (ISBN: 978-3-319-28692-1, Link)
Conferences (update until 2024; no more update anticipated)
Conferences (update until 2024; no more update anticipated)
70. Junhee Lee, Heejae Jeong, Hyuk-Jun Kwon, Hongki Kang, “Laser-induced p-NiO junction termination extension for high-voltage vertical β-Ga2O3 Schottky barrier diodes,” The 6th workshop of Korea research society of gallium oxide technology, Sep. 2023.
69. Murali Bissannagari, Youngjae Cho, Duhee Kim, Hongki Kang, “Development of magnetorheological elastomer-based non-contact touch sensors,” Materials Today Conference 2023, Singapore, Aug. 2023.
68. Murali Bissannagari, Kriti Dwivedi, Lachlan Fraser, Muhammad Saif Ul Islam, Duhee Kim, Jonah Meggs, Nigel H. Lovell, Hongki Kang, David Tsai, “Soft, Transparent Neurotechnology for Minimally Invasive Brain Surface Recordings and Stimulation,” IEEE Engineering in Medicine & Biology Conference (EMBC) 2023, Sydney, July 2023.
67. Murali Bissannagari, Youngjae Cho, Woongki Hong, Duhee Kim, Minhye Shin, Jae Eun Jang, Hongki Kang, “Development of all printed magnetorheological elastomer hardness change-based non-contact screen-touch sensors,” IEEE World Haptics 2023, Netherland, July 2023.
66. Soohyun Park, Minhye Shin, Hongki Kang, and Yoonhee Lee, “Massive Fabrication of Carbon Nanotube Transistors by Surface tension-Driven inkjet-Printing Method,” IEEE International Conference on Flexible, Printable Sensors and Systems (FLEPS 2023), USA, July 2023. (Oral presentation)
65. Duhee Kim, Boil Kim, Han Kyoung Choe, and Hongki Kang, “Optimization of Inkjet-Printed Seed Layer Induced Flexible, Transparent Metal Electrode for Bio-Signal Sensing,” IEEE International Conference on Flexible, Printable Sensors and Systems (FLEPS 2023), USA, July 2023. (Oral presentation)
64. Soohyun Park, Minhye Shin, Hongki Kang, and Yoonhee Lee, “Facile fabrication of wafer-scale single CNT-bridged Ield-effect transistors using inkjet printing for high-throughput bioassays,” Biosensors 2023, Korea, June 2023.
63. Soohyun Park, Minhye Shin, Hongki Kang, and Yoonhee Lee, “Inkjet-printed carbon-nanotube field-effect transistor arrays: fabrication and application to high-throughput biosensors,” 2023 Korean Society of Industrial and Engineering Chemistry (한국공업화학회) Spring, May, 2023.
62. Minhye Shin, Soohyun Park, Beomsoo Park, Yoonhee Lee, and Hongki Kang, “Inkjet-printed Single Carbon Nanotubes Bridged Field-Effect Transistor Arrays for Biosensor Applications,” 2023 Korea Flexible & Printed Electronics (KFPE) Spring Meeting, Korea, April. 2023.
61. Duhee Kim, Boil Kim, Nari Hong and Hongki Kang, “Multi-functional platform of flexible, transparent bio-signal recording electrode with photothermal induced drug releasing,” 2023 Korea Flexible & Printed Electronics (KFPE) Spring Meeting, Korea, April. 2023. (Best Poster Award)
60. Minhye Shin, Soohyun Park, Yoonhee Lee, and Hongki Kang, “A Wafer-scale Fabrication of Single CNT-bridged Field Effect Transistor Arrays with an Inkjet Printing Method for Biosensor Applications,” The 30th Korean Conference on Semiconductors (제30회 한국반도체학술대회), Korea, Feb. 2023. (Oral presentation)
59. Jungha Lee, and Hongki Kang, “Optimization of the Offset Ratio in a-IGZO TFTs with Drain Offset Structure for High-Voltage Electronics Applications,” The 30th Korean Conference on Semiconductors (제30회 한국반도체학술대회), Korea, Feb. 2023.
58. Kriti Dwivedi, Nari Hong, and Hongki Kang, “Python-Based Neural Spike Detection and Validation Algorithm,” The 30th Korean Conference on Semiconductors (제30회 한국반도체학술대회), Korea, Feb. 2023.
57. Duhee Kim, Murali Bissannagari, and Hongki Kang, “Polymer Seed Layer Induced Flexible and Transparent Electrocorticography (ECoG) Array for Bio-signal Sensing,” The 30th Korean Conference on Semiconductors (제30회 한국반도체학술대회), Korea, Feb. 2023. (Best Poster Award)
56. Youngjae Cho et al., & Hongki Kang, “Optimization of inkjet-printed metal/conductive polymer multilayer strain sensors transferred to a stretchable substrate,” The 12th international conference on flexible and printed electronics (ICFPE 2022), Jeju, Korea.
55. Duhee Kim, Byoung Ok Jun, and Hongki Kang, “All inkjet-printed flexible floating antenna structures for efficient wireless power transfer with resonant frequency tuning,” The 12th international conference on flexible and printed electronics (ICFPE 2022), Jeju, Korea.
54. Jungha Lee, Jae Eun Jang, and Hongki Kang, “Optimization of a-IGZO TFTs with drain offset structure for high-voltage sensors and actuator driver applications,” IMID 2022, Busan, Korea.
53. Donghoon Lee, Jae Eun Jang, Jaewon Jang, Hongki Kang, “Sol-Gel processed Y2O3 capacitor based physical unclonable function (PUF),” IMID 2022, Busan, Korea.
52. Nari Hong, Jaewon Lee, Kyong Hwan Jin, Hongki Kang, “High-frequency neuronal spike restoration using a temporal convolutional network,” IEEE EMBS 2022, Glasgow, UK.
51. Duhee Kim, Nari Hong, Hongki Kang, “Inkjet-printed seed layer induced flexible, transparent metal electrode for bio-signal sensing with photothermal heat stimuli,” IEEE EMBS 2022, Glasgow, UK.
50. Junhee Lee, Seongkwon Hwang, Jee-woong Lee, Seungjun Chung*, and Hongki Kang*, “Inkjet-Printed Transparent Temperature Sensors based on Organic Thermoelectrics for High Temporal Resolution Temperature Sensing in Optical Neural Stimulation,” Materials Research Society, Honolulu, United States, Spring 2022. (Oral presentation)
49. Seongkwon Hwang, Junhee Lee, Hongki Kang*, and Seungjun Chung*, “Transparent organic thermoelectric temperature sensors for high temporal resolution,” 한국센서학회 춘계학술대회, Seoul, 2022.
48. Minhye Shin†, Soohyun Park†, Yoonhee Lee*, and Hongki Kang*, “Optimization of Inkjet Printing Single Carbon Nanotubes for Field-Effect Transistor based Biosensor arrays,” K-MEMS, 2022.
47. Duhee Kim, Hongki Kang, “Transparent Ultrathin Metal Resistance Temperature Detector using Inkjet Printing of Polyelectrolyte Seed Layer and its Demonstration of Photothermal Effect Sensing,” K-MEMS, 2022.
46. Minhye Shin†, Soohyun Park†, Yoonhee Lee*, and Hongki Kang*, “Wafer-Scale Fabrication of the Inkjet-Printed Carbon Nanotube Field-Effect Transistor Arrays for High-Throughput Bioassay,” The 29th Korean Conference on Semiconductors (제29회 한국반도체학술대회), Korea, January 2022.
45. Soohyun Park†, Minhye Shin†, Hongki Kang*, and Yoonhee Lee*, “Large Scale Fabrication of Single Carbon Nanotube Field-effect Transistor Arrays Via an Inkjet Printing Method for a High-throughput Single-molecule Bioassay,” 2021 Annual Fall Meeting of The Korean BioChip Society (바이오칩학회), Jeju, Korea, November 2021.
44. Junhee Lee, Seongkwon Hwang, Woongki Hong, Seungjun Chung, and Hongki Kang, “PEDOT:PSS based transparent thermoelectric temperature sensors for high temporal resolution,” The 6th International Conference on Advanced Electromaterials (ICAE), Jeju, South Korea, Nov. 2021.
43. Duhee Kim, Woongki Hong, and Hongki Kang, “Simultaneous Microfabrication of Transparent Ultrathin Metal Electrodes and Photothermal Layer Using Inkjet Printing of Polyelectrolyte Seed Layer,” The 6thInternational Conference on Advanced Electromaterials (ICAE), Jeju, South Korea, Nov. 2021.
42. Yujin Hwang, Sujin Heo, Jae-eun Jang, and Hongki Kang, “Application of transparent ultra-thin metal source and drain electrodes to a-IGZO TFTs on flexible glass substrates for transparent and flexible electronics,” The 6thInternational Conference on Advanced Electromaterials (ICAE), Jeju, South Korea, Nov. 2021.
41. Hongki Kang, Woongki Hong, Jee-Woong Lee, Eun Kyung Gu, Yujin Hwang, Duhee Kim, Junhee Lee, and Anna Rostedt Punga, “Ultrathin Metal based Transparent Flexible Microelectrode Array for Electro-Optical Neural Recording and Temperature Sensing,” Neural Interfaces and Artificial Senses (NIAS), 2021.
40. Yujin Hwang, Sujin Heo, and Hongki Kang, “a-IGZO TFTs with transparent ultrathin metal source and drain electrodes fabricated on flexible glass substrates for transparent and flexible electronics applications,” The 21stInternational Meeting on Information Display (IMID 2021), Seoul, South Korea, Aug. 2021 (Late News Acceptance).
39. Junhee Lee, Hongki Kang, “Application of p-NiO/n-ZnO heterojunction PN diodes as transparent temperature sensors,” the 63rd Electronic Materials Conference (EMC), 2021.
38. Woongki Hong, Hongki Kang, “Transparent and flexible ultrathin gold microelectrode arrays using layer-by-layer coated polyelectrolytes for electro-optical neural interface,” 2020 Materials Research Society Spring/Fall Meeting, 2020.
37 Woongki Hong, Hongki Kang, “Flexible, Transparent 60-channels Ultrathin Gold Microelectrode Arrays for Electro-Optical Neural Interface,” 2020 Annual Fall Meeting of The Korean BioChip Society (바이오칩학회), Jeju, Korea, November 2020.
36 Junhee Lee, Hongki Kang, “Optimization of p-NiO/n-ZnO Heterojunction PN Diode as Transparent Temperature Sensor for Optical Bio Sensing and Modulation Applications,” 2020 Annual Fall Meeting of The Korean BioChip Society (바이오칩학회), Jeju, Korea, November 2020.
35. Woongki Hong, Hongki Kang, “Characterization of Electrical and Optical Properties of Biosensing Thin Film Microelectrodes for Transparent and Flexible Neural Interfaces,” NANO KOREA 2020, Kintex, Korea, July 2020.
34. Woongki Hong, Hongki Kang, “Optimization of Electrical and Optical Properties of Gold Thin Film Microelectrodes for Transparent and Flexible Neural Interfaces,” 2020 Annual Spring Meeting of The Korean BioChip Society (바이오칩학회), Yeosu, Korea, July 2020.
33. Hongki Kang, Woongki Hong, Yujin An, and Yoonkey Nam, “Optical manipulation of neuronal activity using thermo-plasmonic nano-transducer attached optical fiber,” SPIE Photonics West, San Francisco, USA, 2020.
32. Woongki Hong, Hyuk-Jun Kwon, Yoonkey Nam, and Hongki Kang, “Spatiotemporal temperature analysis on localized photothermal effect of gold nanorod attached optical fiber for in vivo neural stimulation,” 2019 Annual Fall Meeting of The Korean BioChip Society (바이오칩학회), Jeju, Korea, 2019.
31. Woongki Hong, Hyuk-Jun Kwon, Yoonkey Nam, and Hongki Kang, “Thermal analysis of photothermal neural stimulation using gold nanorod attached optical fibers,” IBRO 2019 (the 10th World Congress of Neuroscience), Daegu, Korea, 2019.
30. Hongki Kang, Jee Woong Lee, and Yoonkey Nam, “Gold Nanotransducers and Biocompatible Microfabrication Processes for Light-based Transgene-free Photothermal Neuromodulation,” The 19th International Meeting on Information Display (IMID), Gyeongju, Korea, August 2019.
29. Hongki Kang and Yoonkey Nam, “Gold nanorod attached fiber optic cannulas for localized in vitro photothermal neural inhibitory stimulation,” IEEE EMBS Conference on Neural Engineering (NER), San Francisco, USA, 2019
28. Hongki Kang and Yoonkey Nam, “Immobilization of gold nanoparticles on fiber optic cannulas for photothermal neural stimulation,” SMIT2018-IBEC2018 Joint Conference, Seoul, Korea, 2018.
(Best Poster Award) (SMIT, Society for Minimally Invasive Therapy; IBEC, International Biomedical Engineering Conference)27. Raeyoung Kim, Hongki Kang, and Yoonkey Nam, “High-speed fluorescence imaging system for neural activity recording,” IEEE Engineering in Medicine and Biology Society, Honolulu, USA, 2018.
26. Daejeong Kim, Hongki Kang, and Yoonkey Nam, “Application of high density connector to plug-in type microelectrode array system for in vitro neural spike recording,” IEEE Engineering in Medicine and Biology Society, Honolulu, USA, 2018.
25. Hongki Kang, Gu-Haeng Lee, Hyunjun Jung, Jee Woong Lee, and Yoonkey Nam, “Patterned photothermal neuromodulation using inkjet-printed thermo-plasmonic gold nanorods on microelectrode array chips,” MEA Meeting 2018, Reutlingen, Germany, July 2018. (Oral presentation)
24. Hongki Kang‡, Jee Woong Lee‡, and Yoonkey Nam, “Microstructural Optimization of Thermal Evaporated Gold Film for Photothermal Neural Chip Applications,” 2018 Annual Spring Meeting of the Korean BioChip Society (KBCS), South Korea, May 2018.
23. Hongki Kang‡, Jee Woong Lee‡, and Yoonkey Nam, “Optimization of photothermal efficiency of thermal evaporated gold film for modulating neural activity in vitro,” Microtechnologies in Medicine and Biology, Monterey, United States, March 2018.
22. Hongki Kang, Hyunjun Jung, Jee Woong Lee, and Yoonkey Nam, “Selective neuro-modulation using inkjet-printed thermo-plasmonic gold nanorods,” Materials Research Society, Boston, United States, Fall 2017. (Oral presentation)
21. Hongki Kang, Hyunjun Jung, Jee Woong Lee, and Yoonkey Nam, “Inkjet-printed micro thermo-plasmonic heater based patterned heat generation for neuro-modulation on microelectrode array chip,” 2017 Annual Fall Meeting of the Korean BioChip Society (KBCS), Busan, South Korea, November 2017. (Oral presentation)
20. Daejeong Kim, Hongki Kang, and Yoonkey Nam, “Compact 256 channel multi-well PEDOT microelectrode array for neuron-based high-throughput drug screening,” 2017 Annual Fall Meeting of the Korean BioChip Society (KBCS), Busan, South Korea, November 2017. (Best poster award)
19. Hongki Kang, Jee Woong Lee, Nari Hong, and Yoonkey Nam, “Selective and reversible functional connectivity modulation in neuronal network using patterned thermo-plasmonic effect,” The 20th Annual Meeting of the Korean Society for Brain and Neural Science (KSBNS 2017), Seoul, South Korea, August 2017.
18. Daejeong Kim, Hongki Kang, and Yoonkey Nam, “Customized Multi-Well Microelectrode Array System for Massive Electrical Recordings from Neuronal Cultures,” IEEE EMBC 2017, Jeju, South Korea, July 2017.
17. Hongki Kang, Gu-Haeng Lee, and Yoonkey Nam, “Inkjet-Printed Gold Nanorods using Biocompatible Polyelectrolyte Layer-by-Layer Coating for Patterned Photothermal Applications,” 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2017 (EMBS ’17), 3545–3548, 2017. (Oral presentation) (Proceeding: Link)
16. Jeewong Lee, Hongki Kang, and Yoonkey Nam, “Near-infrared light-based photothermal stimulation of cultured neurons using gold nanofilm chip,” SPIE NBSIS 2017, Jeju, South Korea, Feb 2017.
15. Hongki Kang, Jee-Yeon Kim, Yang-Kyu Choi, and Yoonkey Nam, “A Feasibility Study of Tri-Gate Silicon Nanowire Field-Effect Transistor for Neural Signal,” IEEE EMBC 2016, Orlando, United States, August 2016.
14. Hongki Kang, Jee-Yeon Kim, Yang-Kyu Choi, and Yoonkey Nam, “In-depth characterization of silicon nanowire field-effect transistor (SiNW-FET) for neural recording and direct performance comparison with passive MEA,” MEA Meeting 2016, Reutlingen, Germany, June 2016.
13. Hongki Kang, Kevin Tien, Kenneth L. Shepard, Devendra Sadana, Stephen W. Bedell, Yuhao Zhang, Min Sun, Tomás Palacios, Ajit Paranjpe, "Vertical GaN Power Transistors Using Controlled Spalling for Substrate Heterogeneity," ARPA-E Energy Innovation Summit 2015, Washington D.C., US, Feb 2015.
12. Rungrot Kitsomboonloha, Hongki Kang, and Vivek Subramanian, “High Performance Organic TFTs Using High-Resolution Gravure Printed Electrodes,” Materials Research Society, Boston, US, Fall 2013.
11. Gerd Grau, Rungrot Kitsomboonloha, Sarah Swisher, Hongki Kang, and Vivek Subramanian, “Printed Transistors on Paper: Towards Smart Consumer Product Packaging,” LOPE-C, Germany, June 2013.
10. (Invited) Vivek Subramanian, Stephen J. S. Morris, Hongki Kang, and Rungrot Kitsomboonloha, “Modeling, Scaling, and Integration of Gravure Printing for Fast Switching Organic FETs,” Materials Research Society, Boston, United States, Fall 2012.
9. Jaewon Jang, Eung Seok Park, Hongki Kang, and Vivek Subramanian, “Inkjetted Inorganic Transistors Using a Sol-gel Processed SnO2 Semiconductor and Sb-doped SnO2 Electrodes,” Materials Research Society, Boston, United States, Fall 2012.
8. Hongki Kang, Alejandro de la Fuente Vornbrock, Rungrot Kitsomboonloha, Jaewon Jang, and Vivek Subramanian, “Highly-Scaled Gravure Printed organic TFTs with 10 μm channel length on Plastic with 300 kHz operation,” Materials Research Society Spring 2012, United States. (Oral presentation)
7. (Invited) Hongki Kang, Huai-Yuan Tseng, Rungrot Kitsomboonloha, and Vivek Subramanian, “High-performance printed organic transistors: Advances in printing techniques and processes,” 2012 Flexible Electronics & Displays Conference & Exhibition, Phoenix, AZ, United States, Feb 6-9, 2012.
6. Hongki Kang, Lakshmi Jagannathan, and Vivek Subramanian, "Measurement, analysis, and modeling of 1/f noise in pentacene TFTs," LOPE-C, Messe Frankfurt, Germany, June 2011. (Oral presentation)
5. Jaewon Jang, Rungrot Kitsomboonloha, Lakshmi Jagannathan, Hongki Kang and Vivek Subramanian, "Electrical Characterization of close-packed ZnSe Nanoparticle Films," Materials Research Society, Boston, United States, Fall 2010.
4. Dan Soltman, Ben Smith, Hongki Kang, Stephen Morris, and Vivek Subramanian, "Methodology for Inkjet Printing Partially Wetting Films," IS&T Digital Fabrication conference, Austin, TX, United States, Sept. 19-23, 2010.
3. Dan Soltman, Ben Smith, Hongki Kang, Stephen Morris, and Vivek Subramanian, "Methodology for two dimensional pattern generation in inkjet printing," LOPE-C, Messe Frankfurt, Germany, May 2010.
2. Hongki Kang, Dan Soltman, and Vivek Subramanian, "Hydrostatic concerns in inkjet-printed films," Materials Research Society, San Francisco, United States, Spring 2010.
1. Dan Soltman, Hongki Kang, and Vivek Subramanian, "Considerations for pattern generation in inkjet-printed electronics," SPIE Advanced Lithography, San Jose, United States, Feb 2010. (Oral presentation)
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