Publication

Google Scholar: Prof. Keun Heo

2025

[9] Micro-patterned polydimethylsiloxane triboelectric nanogenerator: a novel method for Morse code generation and wireless communication 

Pandit Bhishma, Jin-Taek Lee et al. Under review

[8] Defect Formation and Electrical Transformation in SiO2 Thin Films via Ti-Induced Interdiffusion [Link] 

Soon Joo Yoon, Jeong Woo Jeon, Junho Lee, Jin Tae Park, Chanwoo Lee, Ki Jun Yu,  Hagyoul Bae, Kihyun Kim, Keun Heo, Cheol Seong Hwang, Deok-Yong Cho, Taehun Lee* and Yoon Kyeung Lee* Acta Materialia 

[7] Photodetection Mechanisms and UV-Visible Imaging Characteristics of High-Detectivity Broadband MSM Photodetector Arrays on Wafer-Scale MoS2 [Link]

Bhishma Pandit, Jungwoo Bong, Seongwon Lee, Jungwoo Lee, Sameer Pokhrel, Hagyoul Bae, Ji-Wan Kim, Yunjo Jeong, Sangmin An, Jaehee Cho,Chel-Jong Choi, Krishna Moorthy Ponnusamy, S.Chandramohan, Hyeon-Sik Jang* and Keun Heo*, ACS Applied Materials & Interfaces

[6] Millisecond pulsed light annealing for improving performance of top-gate self-aligned a-IGZO TFT communication [Link]

Heetae Kim, Seohak Park, Johak Jeong, Jun-Hwe Cha, Hoseok Lee, Chihun Sung, Jeho Na, Keun Heo, Sung Haeng Cho, Sung-Yool Choi*, and Byung Jin Cho*, IEEE Transactions on Electron Devices

[5] Reducing Crosstalk in Monolithic-3-D Structures Using a Graphene Shielding Layer [Link]

Donggyu Lee, Keun Heo, Hyunsik Jang*, IEEE Transactions on Electron Devices

[4] Empirical Modeling and Performance Evaluation of Monolithic-3D Dynamic Random-Access Memory [Link]

Sangjun Hwang, Jo-Hak Jeong, Hee-Tae Kim, Jungwoo Bong, Ho-Sung Lee, Bhishma Pandit, Gyeore Lee, Donggu Im, Sung Haeng Cho, Hyeon-Sik Jang, Byung Jin Cho*, Keun Heo* IEEE Access

[3] Rapid Thermal Annealing under O2 Ambient to Recover the Deterioration by Gamma-Ray Irradiation in a-IGZO TFTs [Link]  

Minah Park, Jaewook Yoo, Hongseung Lee, Hyeonjun Song, Soyeon Kim, Seongbin Lim, Seohyeon Park, Jo Hak Jeong, Bongjoong Kim, Kiyoung Lee, Yoon Kyeung Lee, Keun Heo, Jiseok Kwon*, Hagyoul Bae*  Electronic Materials Letters

[2] Low-frequency noise and DC I–V characterization of gamma-ray irradiation-induced degradation and trap behaviors in a-IGZO TFTs [Link]

Hongseung Lee, Jaewook Yoo, Hyeonjun Song, Binhyeong Lee, Soon Joo Yoon, Seongbin Lim, Jo Hak Jeong, Soyeon Kim, Minah Park, Seohyeon Park, Sojin Jung, Bhishma Pandit, Taehwan Moon, Jin-Ha Hwang, Kiyoung Lee, Yoon Kyeung Lee, Keun Heo*, Hagyoul Bae* Applied Physics Letters 

[1] Quantitative Analysis of Trap Behaviors for Deuterium Annealing Effect on IGZO TFTs by TCAD and Experimental Characterization [Link]

Hyeonjun Song, Soon Joo Yoon, Jaewook Yoo, Seongbin Lim, Ja-Yun Ku, Tae-Hyun Kil, Hongseung Lee, Jo Hak Jeong, Soyeon Kim, Moon-Kwon Lee, Hyeon-Sik Jang, Kiyoung Lee, Keun Heo, Jun-Young Park, Yoon Kyeung Lee, Hagyoul Bae* IEEE Transactions on Electron Devices

2024

[13] Intense Pulsed Light Annealing for High-k Capacitor Integration in 1T-1C DRAM With a-IGZO Cell Transistors [Link]  

Heetae Kim, SeoHak Park, Johak Jeong, Jihoon Jeon, Hoseok Lee, Chihun Sung, Jaho Na, Min Ju Kim, Sung Keun Kim, Sung Yool Choi, Keun Heo*, Seong Hang Cho*, and Byung Jin Cho* IEEE Electron Device Letters

[12] Multilevel Nonvolatile Memory by CMOS-Compatible and Transfer-free Amorphous Boron Nitride Film [Link]  

Seyed Mehdi Sattari-Esfahlan, Sang-Hwa Hyun, Ji-Yun Moon, Keun Heo* and Jae-Hyun Lee* ACS Applied Electronic Materials

[11] Reducing Crosstalk in Monolithic-3D structures Using a Graphene Shielding Layer [Link] 

Dongkyu Lee, Keun Heo,  Hyeon-Sik Jang* IEEE TED

[10] An In-Depth Study of the Synthesis of ReSe2 for Anisotropic Raman Characterisitics [Link]

Giho Nam, Sohyun Park, Keun Heo, Jungwoo Bong, Donggyu Lee, Hyunsoo Kim, Krishna Moorthy Ponnusamy, Hagyoul Bae, Hyeonggi Park*, Jaehyun Lee*, Hyeon-Sik Jang*           J. phys mater. 

[9] Topological van der Waals Contact for Two-Dimensional Semiconductors [Link]

Soheil Ghods, Hyunjin Lee, Jun-Hui Choi, Ji-Yun Moon, Sein Kim, Seung-Il Kim, Hyung Jun Kwun, Mukkath Joseph Josline, Chan Young Kim, Sang Hwa Hyun, Sang Won Kim, Seok-Kyun Son, Taehun Lee, Yoon Kyeung Lee, Keun Heo*, Kostya S Novoselov*, and Jae-Hyun Lee* ACS nano

[8] First Demonstration of HZO/beta-Ga2O3 Ferroelectric FinFET with Improved Memory Window [Link]

Seohyeon Park, Jaewook Yoo, Hyeojun Song, Hongseung Lee, Seongbin Lim, Soyeon Kim, Minah Park, Bongjoong Kim, Keun Heo, and Peide D. Ye, Hagyoul Bae

[7] Junctionless Negative-Differential-Resistance Device Using 2D Van-Der-Waals Layered Materials for Ternary Parallel Computing [Link]

Taeran Lee, Kil-Su Jung, Seunghwan Seo, Junseo Lee, Jihye Park, Sumin Kang, Jeongwon Park, Juncheol Kang, Hogeun Ahn, Suhyun Kim, Hae Won Lee, Doyoon Lee, Ki Seok Kim, Hyunseok Kim, Keun Heo, Sunmean Kim, Sang-Hoon Bae, Seokhyeong Kang, Kibum Kang, Jeehwan Kim*, and Jin-Hong Park* Advanced Materials 

[6] Self-Organized Growth of the Mo2C/Graphene Core-Shell Nanostructured Anode Material for Lithium-Ion Batteries via a Catalytic CVD Process [Link]

Navanya Raveendran, Sruthy Subash, Krishna Moorthy Ponnusamy, Preethu P Satheesh, Keun Heo, K. Kamala Bharathi*, and S. Chandramohan* ACS Applied Nano Materials 

[5] Direct Observation for Distinct Behaviors of Gamma-Ray Irradiation-Induced Subgap Density-of-States in Amorphous InGaZnO TFTs by Multiple-Wavelength Light Source [Link]

Jaewook Yoo, Hyeun Seung Jo, Seung-Bae Jeon, Taehwan Moon, Hongseung Lee, Seongbin Lim, Hyeonjun Song, Binhyeong Lee, Soon Joo Yoon, Soyeon Kim, Minah Park, Seohyeon Park, Jo Hak Jeong, Keun Heo, Yoon Kyeung Lee, Peide D. Ye, TaeWan Kim, and Hagyoul Bae Advanced Electronic Materials

[4] Self-Powered Broadband Photodetector Based on NiO/Si Heterojunction Incorporating Graphene Transparent Conducting Layer [Link]

Bhishma Pandit, Bhaskar Parida, Hyeon-Sik Jang*, and Keun Heo* Nanomaterials 

[3] Vertical MoS2 Nanosheets via Space-Confined CVD for Room Temperature Photo-Enhanced Highly Selective Triethylamine Sensing [Link]

Krishna Moorthy Ponnusamy, Rahul Suresh Ghuge, Navanya Raveendran, Preethu P Satheesh, Santhosh Durairaj, Senthil Kumar Eswaran, Keun Heo, Yuvaraj Sivalingam*, and S Chandramohan* ACS Applied Nano Materials

[2] A Short Review of Recent Trends in Photovoltaics Research Using Van-der Waals Materials [Link]

Hyeong Gi Park*, Jae-Hyun Lee, and Keun Heo* Korean Journal of Metals and Materials

[1] Broadband Van-der-Waals Photodetector Driven by Ferroelectric Polarization [Link]

Sungjun Kim, Sunghun Lee, Seyong Oh, Kyeong‐Bae Lee, Je‐Jun Lee, Byeongchan Kim, Keun Heo*, and Jin‐Hong Park* Small

2023

[4] 2D Rhenium Dichalcogenides: From Fundamental Properties to Recent Advances in Photodetector Technology [Link] 

Preethu P Satheesh, Hyeon-Sik Jang, Bhishma Pandit, S. Chandramohan*, and Keun Heo*, Advanced Functional Materials

[3] Highly Sensitive Ultraviolet Photodetector Based on an AlGaN/GaN HEMT with Graphene-On-p-GaN Mesa Structure [Link] 

Bhishma Pandit, Hyeon‐Sik Jang, Yunjo Jeong, Sangmin An, S Chandramohan, Kyung Kyu Min, Sang Min Won, Chel‐Jong Choi, Jaehee Cho, Seongin Hong, and Keun Heo*, Advanced Materials Interfaces 

[2] Recent Research for HZO-Based Ferroelectric Memory towards In-Memory Computing Applications [Link] 

Jaewook Yoo, Hyeonjun Song, Hongseung Lee, Seongbin Lim, Soyeon Kim, Keun Heo*, and Hagyoul Bae*, Electronics 

[1] Electromagnetic interference shielding of graphene/PMMA composites depending on growth temperature of CVD-graphene [Link]  

Seung-Il Kim, Jin-Su Kim, Ji-Yun Moon, Seok-Ki Hyeong, Soheil Ghods, Jun-Hui Choi, Dasol Kim, Dong Seop Park, Keun Heo*,  and Jae-Hyun Lee* Synthetic Metals 

2022

[2] A Van Der Waals Reconfigurable Multi‐Valued Logic Device and Circuit Based on Tunable Negative‐Differential‐Resistance Phenomenon [Link]

Seunghwan Seo, Jeong‐Ick Cho, Kil‐Su Jung, Maksim Andreev, Ju‐Hee Lee, Hogeun Ahn, Sooyoung Jung, Taeran Lee, Byeongchan Kim, Seojoo Lee, Juncheol Kang, Kyeong‐Bae Lee, Ho‐Jun Lee, Ki Seok Kim, Geun Young Yeom, Keun Heo, Jin‐Hong Park* Advanced Materials

[1] Epidermal piezoresistive structure with deep learning-assisted data translation [Link]

Changrok So, Jong Uk Kim, Haiwen Luan, Sang Uk Park, Hyochan Kim, Seungyong Han, Doyoung Kim, Changhwan Shin, Tae-il Kim, Wi Hyoung Lee, Yoonseok Park, Keun Heo, Hyoung Won Baac, Jong Hwan Ko, Sang Min Won* npj Flexible Electronics

2021

[7] Performance improvement of residue-free graphene field-effect transistor using Au-assisted transfer method [Link]

Yamujin Jang, Young-Min Seo, Hyeon-Sik Jang, Keun Heo, Dongmok Whang*  Sensors 

[6] Flexible artificial Si-In-Zn-O/ion gel synapse and its application to sensory-neuromorphic system for sign language translation [Link]

Seyong Oh, Jeong-Ick Cho, Byeong Hyeon Lee, Seunghwan Seo, Ju-Hee Lee, Hyongsuk Choo, Keun Heo, Sang Yeol Lee, Jin-Hong Park* Science Advances 

[5] In-Depth Study of 3D Color-Resist Coating Process for Optically Uniform Image Sensors [Link]

Sungjun Kim, Jaesang Yoo, Hakyu Choi, Jaekwan Seo, Sunghun Lee, Sang Min Won, Jin-Hong Park, Keun Heo* IEEE Access

[4] Performance enhancement of amorphous WO3 assisted graphene-based electronic devices: Aspect of surface engineering [Link]

Seung-Il Kim, Seok-Ki Hyeong, Dong Seop Park, Sang-Hwa Hyun, Ji-Yun Moon, Sangyeob Lee, Tae-Sung Kim, Seoung-Ki Lee, Jae-Hyun Lee, Keun Heo* Applied Surface Science

[3] Recent advances in electrical doping of 2D semiconductor materials: Methods, analyses, and applications [Link]

Hocheon Yoo, Keun Heo, Md Hasan Raza Ansari, Seongjae Cho* Nanomaterials

[2] Controllable potential barrier for multiple negative-differential-transconductance and its application to multi-valued logic computing [Link]

Seunghwan Seo, Jiwan Koo, Jae-Woong Choi, Keun Heo, Maksim Andreev, Je-Jun Lee, Ju-Hee Lee, Jeong-Ick Cho, Hyeongjun Kim, Gwangwe Yoo, Dong-Ho Kang, Jaewoo Shim, Jin-Hong Park* npj 2D Materials and Applications

[1] Ferroelectric polymer-based artificial synapse for neuromorphic computing [Link]

Sungjun Kim, Keun Heo, Sunghun Lee, Seunghwan Seo, Hyeongjun Kim, Jeongick Cho, Hyunkyu Lee, Kyeong-Bae Lee, Jin-Hong Park* Nanoscale horizons

2020

[5] Double negative differential resistance device based on hafnium disulfide/pentacene hybrid structure [Link]

Kil‐Su Jung, Keun Heo, Min‐Je Kim, Maksim Andreev, Seunghwan Seo, Jin‐Ok Kim, Ji‐Hye Lim, Kwan‐Ho Kim, Sungho Kim, Ki Seok Kim, Geun Yong Yeom, Jeong Ho Cho, Jin‐Hong Park* Advanced Science 

[4] Artificial van der Waals hybrid synapse and its application to acoustic pattern recognition [Link]

Seunghwan Seo, Beom-Seok Kang, Je-Jun Lee, Hyo-Jun Ryu, Sungjun Kim, Hyeongjun Kim, Seyong Oh, Jaewoo Shim, Keun Heo, Saeroonter Oh, Jin-Hong Park* Nature communications 

[3] Recent progress in artificial synapses based on two-dimensional van der Waals materials for brain-inspired computing [Link]

Seunghwan Seo, Je-Jun Lee, Ho-Jun Lee, Hae Won Lee, Seyong Oh, Je Jun Lee, Keun Heo, Jin-Hong Park* ACS Applied Electronic Materials

[2] A multiple negative differential resistance heterojunction device and its circuit application to ternary static random access memory [Link]

Kwan-Ho Kim, Hyung-Youl Park, Jaewoo Shim, Gicheol Shin, Maksim Andreev, Jiwan Koo, Gwangwe Yoo, Kilsu Jung, Keun Heo, Yoonmyung Lee, Hyun-Yong Yu, Kyung Rok Kim, Jeong Ho Cho, Sungjoo Lee, Jin-Hong Park* Nanoscale horizons

[1] Effect of large work function modulation of MoS2 by controllable chlorine doping using a remote plasma [Link]

Ki Hyun Kim, Ki Seok Kim, You Jin Ji, Inyong Moon, Keun Heo, Dong-Ho Kang, Kyong Nam Kim, Won Jong Yoo, Jin-Hong Park, Geun Young Yeom* Journal of Materials Chemistry C

2019

[5] Rhenium Diselenide (ReSe2) Near‐Infrared Photodetector: Performance Enhancement by Selective p‐Doping Technique [Link]

Jinok Kim, Keun Heo, Dong‐Ho Kang, Changhwan Shin, Sungjoo Lee, Hyun‐Yong Yu, Jin‐Hong Park* Advanced Science 

[4] Ultrasensitive MoS2 photodetector by serial nano-bridge multi-heterojunction [Link]

Ki Seok Kim, You Jin Ji, Ki Hyun Kim, Seunghyuk Choi, Dong-Ho Kang, Keun Heo, Seongjae Cho, Soonmin Yim, Sungjoo Lee, Jin-Hong Park, Yeon Sik Jung, Geun Young Yeom* Nature communications 

[3] A neuromorphic device implemented on a salmon‐DNA electrolyte and its application to artificial neural networks [Link]

Dong‐Ho Kang, Jeong‐Hoon Kim, Seyong Oh, Hyung‐Youl Park, Sreekantha Reddy Dugasani, Beom‐Seok Kang, Changhwan Choi, Rino Choi, Sungjoo Lee, Sung Ha Park, Keun Heo, Jin‐Hong Park* Advanced Science

[2] Direct Growth of Graphene on a SiGe Alloy Surface by Chemical Vapor Deposition [Link]

Ji-Yun Moon, Seung-il Kim, Keun Heo, Jae-Hyun Lee* JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE

[1] Polarity control in a single transition metal dichalcogenide (TMD) transistor for homogeneous complementary logic circuits [Link]

Jaewoo Shim, Sung woon Jang, Ji-Hye Lim, Hyeongjun Kim, Dong-Ho Kang, Kwan-Ho Kim, Seunghwan Seo, Keun Heo, Changhwan Shin, Hyun-Yong Yu, Sungjoo Lee, Dae-Hong Ko, Jin-Hong Park* Nanoscale

2018

[4] Artificial optic-neural synapse for colored and color-mixed pattern recognition [Link]

Seunghwan Seo, Seo-Hyeon Jo, Sungho Kim, Jaewoo Shim, Seyong Oh, Jeong-Hoon Kim, Keun Heo, Jae-Woong Choi, Changhwan Choi, Saeroonter Oh, Duygu Kuzum, H-S Philip Wong, Jin-Hong Park* Nature Communications

[3] Stable and Reversible Triphenylphosphine-Based n-Type Doping Technique for Molybdenum Disulfide (MoS2) [Link]

Keun Heo, Seo-Hyeon Jo, Jaewoo Shim, Dong-Ho Kang, Jeong-Hoon Kim, Jin-Hong Park* ACS applied materials & interfaces

[2] Characterization and optimization of inverted-T FinFET under nanoscale dimensions [Link]

Eunseon Yu, Keun Heo, Seongjae Cho* IEEE Transactions on Electron Devices 

[1] Highly Efficient Infrared Photodetection in a Gate‐Controllable Van der Waals Heterojunction with Staggered Bandgap Alignment [Link]

Seo‐Hyeon Jo, Hae Won Lee, Jaewoo Shim, Keun Heo, Minwoo Kim, Young Jae Song, Jin‐Hong Park* Advanced Science

2017

[3] Effect of Si on the energy band gap modulation and performance of silicon indium zinc oxide thin-film transistors [Link]

Jun Young Choi, Keun Heo, Kyung-Sang Cho, Sung Woo Hwang, JaeGwan Chung, Sangsig Kim, Byeong Hyeon Lee, Sang Yeol Lee* Scientific reports

[2] Color-selective photodetection from intermediate colloidal quantum dots buried in amorphous-oxide semiconductors [Link]

Kyung-Sang Cho, Keun Heo, Chan-Wook Baik, Jun Young Choi, Heejeong Jeong, Sungwoo Hwang, Sang Yeol Lee* Nature Communications

[1] Temperature-dependent electrical characterization of amorphous indium zinc oxide thin-film transistors [Link]

Keun Heo, Kyung-Sang Cho, Jun Young Choi, Sangmin Han, Yun Seop Yu, Yonmook Park, Gwangwe Yoo, Jin-Hong Park, Sung Woo Hwang, Sang Yeol Lee* IEEE Transactions on Electron Devices 

2016

[3] Phosphorene/rhenium disulfide heterojunction-based negative differential resistance device for multi-valued logic [Link]

Jaewoo Shim, Seyong Oh, Dong-Ho Kang, Seo-Hyeon Jo, Muhammad Hasnain Ali, Woo-Young Choi, Keun Heo, Jaeho Jeon, Sungjoo Lee, Minwoo Kim, Young Jae Song, Jin-Hong Park* Nature communications

[2] Engineering of band gap states of amorphous SiZnSnO semiconductor as a function of Si doping concentration [Link]

Jun Young Choi, Keun Heo, Kyung-Sang Cho, Sung Woo Hwang, Sangsig Kim, Sang Yeol Lee* Scientific reports

[1] Critical invisible defect detection system of thin film transistor panels using Kelvin probe force microscopy [Link]

Yonmook Park, Keun Heo* Applied Surface Science