(Selected) Journal papers

† Equally contributed authors , * Corresponding author(s)

In situ electrical contacts to graphene by laser scribing

Won Gyun Park†, Sang-Chan Park†, Hui Jae Cho,  Yeon-Wha Oh, Il-Suk Kang, and Jae-Hyuk Ahn*

ACS Applied Nano Materials xx, xxx (2024)

A Bio-inspired Artificial Gustatory Neuron for a Neuromorphic based Electronic-tongue

Joon-Kyu Han, Sang-Chan Park, Ji-Man Yu, Jae-Hyuk Ahn*, and Yang-Kyu Choi*

Nano Letters 22, 5244 (2022)

A pretreatment-free electrical capacitance biosensor for exosome detection in undiluted serum

Myoungro Lee, Seong Jun Park, Gahyeon Kim, Chulhwan Park, Min-Ho Lee*, Jae-Hyuk Ahn*, and Taek Lee*

Biosens. Bioelectron. 199, 113872 (2022)

Carbon Nanotube-Based Ion-Sensitive Field-Effect Transistors with an On-Chip Reference Electrode Toward Wearable Sodium Sensing

Sang-Chan Park, Hee June Jeong, Min Heo, Jae Ho Shin*, and Jae-Hyuk Ahn*

ACS Appl. Electron. Mater. 3, 2580 (2021)

Surface potential-controlled oscillation in FET-based biosensors

Ji Hyun Kim†, Seong Jun Park†, Jin-Woo Han, and Jae-Hyuk Ahn*

Sensors 21, 1939 (2021)

Understanding the signal amplification in dual-gate FET-based biosensors

Jae-Hyuk Ahn†, Bonsik Choi†, and Sung-Jin Choi*

Journal of Applied Physics 128, 184502 (2020)

Recent Advances in Biomolecule–Nanomaterial Heterolayer-Based Charge Storage Devices for Bioelectronic Applications

Taek Lee*, Soomin Kim, Jinmyeong Kim, Sang-Chan Park, Jinho Yoon, Chulhwan Park, Hiesang Sohn, Jae-Hyuk Ahn*, and Junhong Min*

Materials 13, 3520 (2020)

Aptamer-based Field-Effect Transistor for Detection of Avian Influenza Virus in Chicken Serum

Jae Kwon†, Yeonju Lee†, Taek Lee*, and Jae-Hyuk Ahn*

Analytical Chemistry 92(7), 5524 (2020)

Joule-Heated and Suspended Silicon Nanowire Based Sensor for Low-Power and Stable Hydrogen Detection

Jeonghoon Yun, Jae-Hyuk Ahn, Dong-Il Moon, Yang-Kyu Choi, and Inkyu Park*

ACS Appl. Mater. Interface  11, 42349 (2019)

Nanoscale FET-Based Transduction toward Sensitive Extended-Gate Biosensors

Jae Kwon, Byung-Hyun Lee, Seong-Yeon Kim, Jun-Young Park, Hagyoul Bae, Yang-Kyu Choi*, Jae-Hyuk Ahn*

ACS Sensors 4, 1724 (2019)

Recent Advances in AIV Biosensors Composed of Nanobio Hybrid Material

Taek Lee*, Jae-Hyuk Ahn, Sun Yong Park, Ga-Hyeon Kim, Jeonghyun Kim, Tae-Hyung Kim, Inho Nam, Chulhwan Park*, and Min-Ho Lee*

Micromachines  9, 651 (2018)

Charge and dielectric effects of biomolecules on electrical characteristics of nanowire FET biosensors

Jae-Hyuk Ahn, Sung-Jin Choi, Maesoon Im, Sungho Kim, Chang-Hoon Kim, Jee-Yeon Kim, Tae Jung Park, Sang Yup Lee and Yang-Kyu Choi*

Applied Physics Letters 111, 113701 (2017)

Ambient effects on electrical characteristics of CVD-grown monolayer MoS2 field-effect transistors

Jae-Hyuk Ahn, William M. Parkin, Carl H. Naylor, A. T. Charlie Johnson and Marija Drndić*

Scientific Reports 7, 4075 (2017)

A SONOS Device with a Separated Charge Trapping Layer for Improvement of Charge Injection

Jae-Hyuk Ahn, Dong-Il Moon, Seung-Won Ko, Chang-Hoon Kim, Jee-Yeon Kim, Moon-Seok Kim, Myeong-Lok Seol, Joon-Bae Moon, Ji-Min Choi, Jae-Sub Oh, Sung-Jin Choi and Yang-Kyu Choi*

AIP Advances 7, 035205 (2017)

Temperature Measurement of Joule Heated Silicon Micro/Nanowires using Selectively Decorated Quantum Dots

Jeonghoon Yun, Jae-Hyuk Ahn, Bong Jae Lee, Dong-Il Moon, Yang-Kyu Choi and Inkyu Park*

Nanotechnology 27, 505705 (2016) 

In Situ Transmission Electron Microscopy Modulation of Transport in Graphene Nanoribbons

Julio A. Rodríguez-Manzo, Zhengqing John Qi, Alexander Crook, Jae-Hyuk Ahn, A. T. Charlie Johnson and Marija Drndić* 

ACS Nano 10, 4004–4010 (2016)

Cross-Talk between Ionic and Nanoribbon Current Signals in Graphene Nanoribbon-Nanopore Sensors for Single Molecule Detection

Matthew Puster, Adrian Balan, Julio A. Rodríguez-Manzo, Gopinath Danda, Jae-Hyuk Ahn, William Parkin and Marija Drndić*

Small 11, 6309–6316 (2015)

A bottom-gate silicon nanowire field-effect transistor with functionalized palladium nanoparticles for hydrogen gas sensors

Bongsik Choi†, Jae-Hyuk Ahn†, Jieun Lee, Jinsu Yoon, Juhee Lee, Minsu Jeon, Dong Myong Kim, Dae Hwan Kim, Inkyu Park and Sung-Jin Choi

Solid-State Electronics 114, 76–79 (2015)

Label-Free and Real-Time Detection of Avian Influenza Using Nanowire Field Effect Transistors

Jae-Hyuk Ahn, Maesoon Im, Tae Jung Park, Sang Yup Lee and Yang-Kyu Choi*

Journal of Biomedical Nanotechnology 11, 1640-1643 (2015)

Self-Heated Silicon Nanowires for High Performance Hydrogen Gas Detection

Jae-Hyuk Ahn, Jeonghoon Yun, Dong-Il Moon, Yang-Kyu Choi and Inkyu Park*

Nanotechnology 26, 095501 (2015)

Investigation of optimal hydrogen sensing performance in semiconducting carbon nanotube network transistors with palladium electrodes

Bongsik Choi, Dongil Lee, Jae-Hyuk Ahn, Jinsu Yoon, Juhee Lee, Minsu Jeon, Dong Myong Kim, Dae Hwan Kim, Inkyu Park, Yang-Kyu Choi* and Sung-Jin Choi*

Applied Physics Letters 107, 193108 (2015)

TCAD-Based Simulation Method for the Electrolyte–Insulator–Semiconductor Field-Effect Transistor

Bongsik Choi, Jieun Lee, Jinsu Yoon, Jae-Hyuk Ahn, Tae Jung Park, Dong Myong Kim, Dae Hwan Kim and Sung-Jin Choi*

IEEE Transactions on Electron Devices 62, 1072-1075 (2015)

Electrical Biomolecule Detection Using Nanopatterned Silicon via Block Copolymer Lithography

Chang Kyu Jeong, Hyeong Min Jin, Jae-Hyuk Ahn, Tae Jung Park, Hyeon Gyun Yoo, Min Koo, Yang-Kyu Choi, Sang Ouk Kim and Keon Jae Lee*

Small 10, 337–343 (2014)

Palladium Nanoparticle Decorated Silicon Nanowire Field-Effect Transistor with Side-Gates for Hydrogen Gas Detection

Jae-Hyuk Ahn, Jeonghoon Yun, Yang-Kyu Choi and Inkyu Park*

Applied Physics Letters 104, 013508 (2014)

Multiplex Electrical Detection of Avian Influenza and Human Immunodeficiency Virus with an Underlap-Embedded Silicon Nanowire Field-Effect Transistor

Jee-Yeon Kim, Jae-Hyuk Ahn, Dong-Il Moon, Tae Jung Park, Sang Yup Lee and Yang-Kyu Choi*

Biosensors and Bioelectronics 55, 162–167 (2014)

A Self-Heated Silicon Nanowire Array: Selective Surface Modification with Catalytic Nanoparticles by Nanoscale Joule Heating and its Gas Sensing Applications

Jeonghoon Yun, Chun Yan Jin, Jae-Hyuk Ahn, Seokwoo Jeon and Inkyu Park*

Nanoscale 5, 6851-6856 (2013)

Improvement of Sensitivity and Limit of Detection in a Nanogap Biosensor by Controlling Surface Wettability

Chang-Hoon Kim, Jae-Hyuk Ahn, Jee-Yeon Kim, Ji-Min Choi, Tae Jung Park and Yang-Kyu Choi*

BioNanoScience 3, 192–197 (2013)

A pH Sensor with a Double-Gate Silicon Nanowire Field-Effect Transistor

Jae-Hyuk Ahn, Jee-Yeon Kim, Myeong-Lok Seol, David J. Baek, Zheng Guo, Chang-Hoon Kim, Sung-Jin Choi and Yang-Kyu Choi*

Applied Physics Letters 102, 083701 (2013)

CRP Detection from Serum for Chip-Based Point-of-Care Testing System

Chang-Hoon Kim, Jae-Hyuk Ahn, Jee-Yeon Kim, Ji-Min Choi, Kyung-Choon Lim, Tae Jung Park, Nam Su Heo, Hee Gu Lee, Jong-Wan Kim and Yang-Kyu Choi*

Biosensors and Bioelectronics 41, 322–327 (2013)

Self-Aligned Nanoforest in Silicon Nanowire for Sensitive Conductance Modulation

Myeong-Lok Seol, Jae-Hyuk Ahn, Ji-Min Choi, Sung-Jin Choi and Yang-Kyu Choi*

Nano Letters 12, 5603–5608 (2012)

A New Sensing Metric to Reduce Data Fluctuations in a Nanogap-Embedded Field-Effect Transistor Biosensor

Chang-Hoon Kim, Jae-Hyuk Ahn, Kyung-Bok Lee, Cheulhee Jung, Hyun Gyu Park and Yang-Kyu Choi*

IEEE Transactions on Electron Devices 59, 2825-2831 (2012)

Hybrid Porphyrin–Silicon Nanowire Field-Effect Transistor by Opto-Electrical Excitation

Myeong-Lok Seol, Sung-Jin Choi, Ji-Min Choi, Jae-Hyuk Ahn and Yang-Kyu Choi*

ACS Nano 6, 7885–7892 (2012)

Nanowire FET Biosensors on a Bulk Silicon Substrate

Jae-Hyuk Ahn, Jee-Yeon Kim, Kyungyong Choi, Dong-Il Moon, Chang-Hoon Kim, Myeong-Lok Seol, Tae Jung Park, Sang Yup Lee and Yang-Kyu Choi*

IEEE Transactions on Electron Devices 59, 2243-2831 (2012)

Integration of Field Effect Transistor-Based Biosensors with a Digital Microfluidic Device for a Lab-on-a-Chip Application

Kyungyong Choi, Jee-Yeon Kim, Jae-Hyuk Ahn, Ji-Min Choi, Maesoon Im and Yang-Kyu Choi*

Lab on a Chip 12, 1533-1539 (2012)

Physical Observation of a Thermo-Morphic Transition in a Silicon Nanowire

Sung-Jin Choi, Dong-Il Moon, Juan P. Duarte, Jae-Hyuk Ahn and Yang-Kyu Choi*

ACS Nano 6, 2378–2384 (2012)

A Dual-Gate Field-Effect Transistor for Label-Free Electrical Detection of Avian Influenza

Jee-Yeon Kim, Jae-Hyuk Ahn, Dong-Il Moon, Sungho Kim, Tae Jung Park, Sang Yup Lee and Yang-Kyu Choi*

BioNanoScience 2, 35-41 (2012)

An Underlap Channel-Embedded Field-Effect Transistor for Biosensor Application in Watery and Dry Environment

Jee-Yeon Kim, Jae-Hyuk Ahn, Sung-Jin Choi, Maesoon Im, Sungho Kim, Juan Publo Duarte, Chang-Hoon Kim, Tae Jung Park, Sang Yup Lee and Yang-Kyu Choi*

IEEE Transactions on Nanotechnology 11, 390-394 (2012)

Investigation of Size Dependence on Sensitivity for Nanowire FET Biosensors

Jae-Hyuk Ahn, Sung-Jin Choi, Jin-Woo Han, Tae Jung Park, Sang Yup Lee and Yang-Kyu Choi*

IEEE Transactions on Nanotechnology 10, 1405-1411 (2011)

Transformable Functional Nanoscale Building Blocks with Wafer-Scale Silicon Nanowires

Sung-Jin Choi, Jae-Hyuk Ahn, Jin-Woo Han, Myeong-Lok Seol, Dong-Il Moon, Sungho Kim and Yang-Kyu Choi*

Nano Letters 11, 854–859 (2011)

Development of a Point-of-Care Testing Platform With a Nanogap-Embedded Separated Double-Gate Field Effect Transistor Array and Its Readout System for Detection of Avian Influenza

Maesoon Im, Jae-Hyuk Ahn, Jin-Woo Han, Tae Jung Park, Sang Yup Lee and Yang-Kyu Choi*

IEEE Sensors Journal 11, 351–360 (2011)

Double-Gate Nanowire Field Effect Transistor for a Biosensor

Jae-Hyuk Ahn, Sung-Jin Choi, Jin-Woo Han, Tae Jung Park, Sang Yup Lee and Yang-Kyu Choi*

Nano Letters 10, 2934–2938 (2010)

FinFACT—FinFlip-Flop Actuated Channel Transistor

Jin-Woo Han, Jae-Hyuk Ahn and Yang-Kyu Choi*

IEEE Electron Device Letters 31, 764-766 (2010)

Nanowire Mechanical Switch with a Built-In Diode

Jin-Woo Han, Jae-Hyuk Ahn, Min-Wu Kim, Jeong Oen Lee, Jun-Bo Yoon and Yang-Kyu Choi*

Small 6, 1197-1200 (2010)

A Biomolecular Detection Method Based on Charge Pumping in a Nanogap Embedded Field-Effect-Transistor Biosensor

Sungho Kim, Jae-Hyuk Ahn, Tae Jung Park, Sang Yup Lee, Yang-Kyu Choi*

Applied Physics Letters 94, 243903 (2009)

Nanogap Field-Effect Transistor Biosensors for Electrical Detection of Avian Influenza

Bonsang Gu, Tae Jung Park, Jae-Hyuk Ahn, Xing-Jiu Huang, Sang Yup Lee and Yang-Kyu Choi*

Small 5, 2407–2412 (2009)