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Jongtae Ahn · SciRah

Researcher profile · Semantic Scholar

Jongtae Ahn

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Jongtae Ahn — researcher profile on SciRah

h-index: 26
Works: 59
Citations: 1,618

Most-cited papers

Fermi‐Level Pinning‐Free WSe2 Transistors via 2D Van der Waals Metal Contacts and Their Circuits
Ji-Su Jang, H. Ra, Jongtae Ahn, Tae Wook Kim +6 more
2022Advances in Materials131 citations Open access
Semantic Scholar
2D MoTe2/ReS2 van der Waals Heterostructure for High-Performance and Linear Polarization-Sensitive Photodetector
Jongtae Ahn, J. Kyhm, Hee Kyoung Kang, Nam-Sook Kwon +3 more
2021ACS Photonics112 citations
Semantic Scholar
Mixed‐Dimensional 1D ZnO–2D WSe2 van der Waals Heterojunction Device for Photosensors
Young Tack Lee, P. Jeon, Jaehoon Han, Jongtae Ahn +7 more
2017106 citations
Semantic Scholar
Near-Infrared Self-Powered Linearly Polarized Photodetection and Digital Incoherent Holography Using WSe2/ReSe2 van der Waals Heterostructure.
Jongtae Ahn, Kyul Ko, J. Kyhm, H. Ra +14 more
2021ACS Nano100 citations Open access
Semantic Scholar
Chiroptical‐Conjugated Polymer/Chiral Small Molecule Hybrid Thin Films for Circularly Polarized Light‐Detecting Heterojunction Devices
N. Kim, J. Kyhm, Hyemi Han, Soonwoo Kim +5 more
2019Advanced Functional Materials78 citations
Semantic Scholar
2D WSe2/MoS2 van der Waals heterojunction photodiode for visible-near infrared broadband detection
Hyoe Sun Lee, Jongtae Ahn, W. Shim, Seong-Gyu Im +1 more
2018Applied Physics Letters73 citations
Semantic Scholar
High-Responsivity Multilayer MoSe2 Phototransistors with Fast Response Time
Hyejoo Lee, Jongtae Ahn, Seongil Im, Jiyoung Kim +1 more
2018Scientific Reports73 citations Open access
Semantic Scholar
Self-powered visible-invisible multiband detection and imaging achieved from high-performance 2D MoTe2/MoS2 semi-vertical heterojunction photodiodes.
Jongtae Ahn, Ji-Hoon Kang, J. Kyhm, H. Choi +11 more
2020ACS Applied Materials and Interfaces70 citations
Semantic Scholar
Zero-Dimensional PbS Quantum Dot–InGaZnO Film Heterostructure for Short-Wave Infrared Flat-Panel Imager
H. Choi, Ji-Hoon Kang, Jongtae Ahn, Junyoung Jin +11 more
2020ACS Photonics55 citations Open access
Semantic Scholar
Transition metal dichalcogenide heterojunction PN diode toward ultimate photovoltaic benefits
Jongtae Ahn, P. Jeon, S. Raza, Atiye Pezeshki +3 more
201650 citations Open access
Semantic Scholar
High-Performance 2D MoS2 Phototransistor for Photo Logic Gate and Image Sensor
Young Tack Lee, Ji-Hoon Kang, K. Kwak, Jongtae Ahn +6 more
2018ACS Photonics49 citations
Semantic Scholar
Ambipolar Channel p‐TMD/n‐Ga2O3 Junction Field Effect Transistors and High Speed Photo‐sensing in TMD Channel
W. Choi, Jongtae Ahn, Kitea Kim, Hye-Jin Jin +3 more
2021Advances in Materials48 citations
Semantic Scholar
A New Architecture for Fibrous Organic Transistors Based on a Double‐Stranded Assembly of Electrode Microfibers for Electronic Textile Applications
Soonwoo Kim, Hyoungjun Kim, Jongtae Ahn, D. Hwang +6 more
2019Advances in Materials48 citations
Semantic Scholar
Artificial optoelectronic synapse based on spatiotemporal irradiation to source‐sharing circuitry of synaptic phototransistors
Seungho Song, Changsoon Choi, Jongtae Ahn, Je-Jun Lee +6 more
2023InfoMat46 citations Open access
Semantic Scholar
Recent Progress in 2D Heterostructures for High‐Performance Photodetectors and Their Applications
Jongtae Ahn, Eungseon Yeon, Do Kyung Hwang
2025Advanced Optical Materials44 citations Open access
Semantic Scholar
Near-field probing of image phonon-polaritons in hexagonal boron nitride on gold crystals
Sergey G. Menabde, S. Boroviks, Jongtae Ahn, Jacob T. Heiden +6 more
2021Science Advances43 citations Open access
Semantic Scholar
2D MoSe2 Transistor with Polymer‐Brush/Channel Interface
Yeonsu Jeong, Ji Hoon Park, Jongtae Ahn, June Yeong Lim +2 more
2018Advanced Materials Interfaces38 citations
Semantic Scholar
Conductive-bridge interlayer contacts for two-dimensional optoelectronic devices
Ji-Su Jang, J. Hong, Sang-Jun Kim, Jongtae Ahn +26 more
2025Nature Electronics37 citations Open access
Semantic Scholar
Multilayer WSe2/MoS2 Heterojunction Phototransistors through Periodically Arrayed Nanopore Structures for Bandgap Engineering
Mingyu Jeong, H. Ra, Sang-Hyeon Lee, Dohyun Kwak +6 more
2022Advances in Materials35 citations
Semantic Scholar
Low‐Loss Anisotropic Image Polaritons in van der Waals Crystal α‐MoO3
Sergey G. Menabde, J. Jahng, S. Boroviks, Jongtae Ahn +5 more
2022Advanced Optical Materials35 citations Open access
Semantic Scholar
Spirally Wrapped Carbon Nanotube Microelectrodes for Fiber Optoelectronic Devices beyond Geometrical Limitations toward Smart Wearable E-Textile Applications.
Hyoungjun Kim, Tae‐Hyung Kang, Jongtae Ahn, Hyemi Han +7 more
2020ACS Nano34 citations
Semantic Scholar
Chiroptical Synaptic Heterojunction Phototransistors Based on Self‐Assembled Nanohelix of π‐Conjugated Molecules for Direct Noise‐Reduced Detection of Circularly Polarized Light
Hanna Lee, Jun Ho Hwang, Seung-Ho Song, Hyemi Han +10 more
2023Advancement of science32 citations Open access
Semantic Scholar
Fully Transparent p‐MoTe2 2D Transistors Using Ultrathin MoOx/Pt Contact Media for Indium‐Tin‐Oxide Source/Drain
Yongjae Cho, Ji Hoon Park, Minju Kim, Yeonsu Jeong +5 more
2018Advanced Functional Materials32 citations
Semantic Scholar
Transition Metal Dichalcogenide‐Based Transistor Circuits for Gray Scale Organic Light‐Emitting Displays
Sanghyuck Yu, Jin Sung Kim, P. Jeon, Jongtae Ahn +2 more
201731 citations
Semantic Scholar
Polarization-sensitive in-sensor computing in chiral organic integrated 2D p-n heterostructures for mixed-multimodal image processing
Je-Jun Lee, Seong-jun Han, Changsoon Choi, Chaewon Seo +14 more
2025Nature Communications30 citations Open access
Semantic Scholar
Negative Photoresponse Switching via Electron–Hole Recombination at The Type III Junction of MoTe2 Channel/SnS2 Top Layer
Yeonsu Jeong, Taewook Kim, Hyunmin Cho, Jongtae Ahn +3 more
2023Advances in Materials26 citations
Semantic Scholar
Self‐Powering Sensory Device with Multi‐Spectrum Image Realization for Smart Indoor Environments
Tae Hyuk Kim, Byoung-Soo Yu, Hyun Woo Ko, Na Won Park +14 more
2023Advances in Materials24 citations
Semantic Scholar
Solution-processed near-infrared Cu(In,Ga)(S,Se)2 photodetectors with enhanced chalcopyrite crystallization and bandgap grading structure via potassium incorporation
Joo-Hyun Kim, Hyemi Han, Min Kyu Kim, Jongtae Ahn +4 more
2021Scientific Reports21 citations Open access
Semantic Scholar
Reversible Polarity Control in 2D MoTe2 Field‐Effect Transistors for Complementary Logic Gate Applications
Byoung-Soo Yu, Wonsik Kim, Ji-Su Jang, Je-Jun Lee +13 more
2024Advanced Functional Materials17 citations Open access
Semantic Scholar
Impact of H-Doping on n-Type TMD Channels for Low-Temperature Band-Like Transport.
Han Sol Lee, Sam Park, June Yeong Lim, Sanghyuck Yu +8 more
2019Small16 citations
Semantic Scholar
Back-Illuminated Double-Avalanche-Region Single-Photon Avalanche Diode
E. Park, Doyoon Eom, Myeong-Hun Yu, Yun-Mi Moon +5 more
2024IEEE Journal of Selected Topics in Quantum Electronics13 citations Open access
Semantic Scholar
An Asymmetry Field‐Effect Phototransistor for Solving Large Exciton Binding Energy of 2D TMDCs
H. Ra, Jongtae Ahn, Ji-Su Jang, Tae Wook Kim +11 more
2021Advances in Materials11 citations
Semantic Scholar
Chiral Diketopyrrolopyrrole-Based Conjugated Polymers with Intramolecular Rotation-Isomeric Conformation Asymmetry for Near-Infrared Circularly Polarized Light-Sensing Organic Phototransistors.
Hyemi Han, Jong-Ho Choi, Jongtae Ahn, Hanna Lee +6 more
2023ACS Applied Materials and Interfaces10 citations
Semantic Scholar
Probing Optical Multi‐Level Memory Effects in Single Core‐Shell Quantum Dots and Application Through 2D–0D Hybrid Inverters
H. Ra, Tae Wook Kim, D. A. Taylor, Je-Jun Lee +8 more
2023Advances in Materials10 citations Open access
Semantic Scholar
Covalent heterostructures of ultrathin amorphous carbon nitride and Si for high-performance vertical photodiodes
Hyojin Seung, J. Bok, Ji Su Kim, Jihoon Kim +13 more
2025Nature Synthesis9 citations
Semantic Scholar
Frequency Doubler and Universal Logic Gate Based on Two-Dimensional Transition Metal Dichalcogenide Transistors with Low Power Consumption.
Tae Wook Kim, H. Ra, Jongtae Ahn, Ji-Su Jang +5 more
2021ACS Applied Materials and Interfaces9 citations
Semantic Scholar
All 2D WSe2/MoS2 heterojunction photodiode and its image sensor application.
Jongtae Ahn, Ji-Hoon Kang, M. Park, D. Hwang
2020Optics Letters6 citations
Semantic Scholar
Growth of high‐quality InSb layer on (001) Si substrate with an initial intermediate‐layer of InAs quantum dots
J. Y. Lim, J. H. Song, W. Choi, Jongtae Ahn +1 more
20116 citations
Semantic Scholar
SWIR imaging using PbS QD photodiode array sensors.
Sehwan Chang, Junyoung Jin, J. Kyhm, Taehwan Park +8 more
2022Optics Express4 citations Open access
Semantic Scholar
Integral imaging using a MoS2 Schottky diode.
Sungwon Choi, Jongtae Ahn, I. Ahn, D. Hwang +1 more
2021Optics Letters3 citations
Semantic Scholar
SWIR-transparent silicon hot carrier photodetector for unobstructed real-time laser power monitoring
Eui-Hyoun Ryu, Sunghyun Hwang, Nayeon Kim, ji-Hwan Song +5 more
2025Optica2 citations Open access
Semantic Scholar
High Performance MoTe2/SnSe2 Heterostructure Photodiode for Near-Infrared Photodetection
Jongtae Ahn
2024Applied Science and Convergence Technology2 citations Open access
Semantic Scholar
Low‐Loss Anisotropic Image Polaritons in van der Waals Crystal α‐MoO 3 (Advanced Optical Materials 21/2022)
Sergey G. Menabde, J. Jahng, S. Boroviks, Jongtae Ahn +5 more
2022Advanced Optical Materials2 citations Open access
Semantic Scholar
A new method of carrier density measurement using photocurrent maps of a 2D material Schottky diode
I. Ahn, Jongtae Ahn, D. Hwang, D. Kim
20212 citations Open access
Semantic Scholar
2D MoSe 2 Field Effect Transistor with Small Threshold Voltage for Piezoelectric Touch Sensor Applications
Yeonsu Jeong, Jihoon Park, Jongtae Ahn, June Yeong Lim +1 more
20182 citations
Semantic Scholar
Unipolar Barrier Near‐Infrared 2D Photodetectors for 3D Image Sensors
J. Hong, Sang-Jun Kim, Ji-Su Jang, Je-Jun Lee +18 more
2026Advancement of science0 citations Open access
Semantic Scholar
2D heterostructures and optoelectronic devices for polarized photodetection
Do Kyung Hwang, Jongtae Ahn
20242D Photonic Materials and Devices VII0 citations
Semantic Scholar
Probing Optical Multi‐Level Memory Effects in Single Core‐Shell Quantum Dots and Application Through 2D–0D Hybrid Inverters (Adv. Mater. 39/2023)
H. Ra, Tae Wook Kim, D. A. Taylor, Je-Jun Lee +8 more
2023Advances in Materials0 citations
Semantic Scholar
Fermi-level pinning-free WSe2 transistors via 2D van der Waals metal contacts and their complementary logic gate circuits
Ji-Su Jang, H. Ra, Jongtae Ahn, Tae Wook Kim +6 more
20210 citations Open access
Semantic Scholar
WSe2 Homogeneous in-Plane Pin Junction Diode with Electric Double Layers
Wonjun Choi, Jongtae Ahn, Seongil Im, Yeonsu Jeong
20200 citations
Semantic Scholar

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