2024

Centrifugal-Gravity-Enforced Deposition of MXene Electrodes for High-Performance and Ultrastable Microsupercapacitors

ACS Applied Materials & Interfaces

Dawoon Lee, Eunji Kim, Chi Won Ahn, Yonghee Lee, U Hyeok Choi, Jaekyun Kim
DOI : https://doi.org/10.1021/acsami.4c00239

Centrifugal-Gravity-Enforced Deposition of MXene Electrodes for High-Performance and Ultrastable Microsupercapacitors

Machine Learning-Enabled Environmentally Adaptable Skin-Electronic Sensor for Human Gesture Recognition

ACS Applied Materials & Interfaces

Yongjun Song, Thi Huyen Nguyen, Dawoon Lee, and Jaekyun Kim
DOI : https://doi.org/10.1021/acsami.3c18588

Machine Learning-Enabled Environmentally Adaptable Skin-Electronic Sensor for Human Gesture Recognition

Tribo-piezoelectric synergistic BaTiO3/PDMS micropyramidal structure for high-performance energy harvester and high-sensitivity tactile sensing

Nano Energy

Junsu Seong, Byeong-U Bak, Dawoon Lee, Jidong Jin, Jaekyun Kim
DOI : https://doi.org/10.1016/j.nanoen.2024.109264

Tribo-piezoelectric synergistic BaTiO3/PDMS micropyramidal structure for high-performance energy harvester and high-sensitivity tactile sensing

Improved Performance and Bias Stability of Indium-Tin-Zinc-Oxide Thin-Film Transistors Enabled by an Oxygen-Compensated Capping Layer

Physica Status Solidi (A) Applications and Materials

Zhenyuan Xiao, Jidong Jin, Jeongho Lee, Gisang Choi, Xiaoyu Lin, Jiawei Zhang, Jaekyun Kim
DOI : https://doi.org/10.1002/pssa.202300544

Improved Performance and Bias Stability of Indium-Tin-Zinc-Oxide Thin-Film Transistors Enabled by an Oxygen-Compensated Capping Layer

2023

Tailoring ion dynamics in energy storage conductors for ultra-stable, high-performance solid-state microsupercapacitor array

Chemical Engineering Journal

Dawoon Lee, Gaeun Park, Youngoh Kim, Joonmyung Choi, U Hyeok Choi, Jaekyun Kim
DOI : https://doi.org/10.1016/j.cej.2023.144903

Tailoring ion dynamics in energy storage conductors for ultra-stable, high-performance solid-state microsupercapacitor array

Micropyramidal Flexible Ion Gel Sensor for Multianalyte Discrimination and Strain Compensation

ACS Applied Materials & Interfaces

Jeongho Lee, Quang Trung Le, Dawoon Lee, Seonho Nam, Thi Huyen Nguyen, Yongjun Song, Joonsoo Sung, Seung-Woo Son, and Jaekyun Kim
DOI : https://doi.org/10.1021/acsami.3c02570

Micropyramidal Flexible Ion Gel Sensor for Multianalyte Discrimination and Strain Compensation

Low-Voltage, High-Performance, Indium-Tin-Zinc-Oxide Thin-Film Transistors Based on Dual-Channel and Anodic-Oxide

Advanced Electronic Materials

Jidong Jin, Xiaoyu Lin, Jiawei Zhang, Jeongho Lee, Zhenyuan Xiao, Soobin Lee, Jaekyun Kim
DOI : https://doi.org/10.1002/aelm.202201117

Low-Voltage, High-Performance, Indium-Tin-Zinc-Oxide Thin-Film Transistors Based on Dual-Channel and Anodic-Oxide

High-Ionic-Conductivity Sodium-Based Ionic Gel Polymer Electrolyte for High-Performance and Ultrastable Microsupercapacitors

ACS Applied Materials & Interfaces

Thi Huyen Nguyen, Dawoon Lee, Yongjun Song, U Hyeok Choi, and Jaekyun Kim
DOI : https://doi.org/10.1021/acsami.2c20226

High-Ionic-Conductivity Sodium-Based Ionic Gel Polymer Electrolyte for High-Performance and Ultrastable Microsupercapacitors

Room-Temperature Sub-ppm Detection and Machine Learning-Based High-Accuracy Selective Analysis of Ammonia Gas Using Silicon Vertical Microwire Arrays

ACS Applied Electronic Materials

Quang Trung Le, Ali Sehpar Shikoh, Kumin Kang, Jeongho Lee, and Jaekyun Kim
DOI : https://doi.org/10.1021/acsaelm.2c01383

Room-Temperature Sub-ppm Detection and Machine Learning-Based High-Accuracy Selective Analysis of Ammonia Gas Using Silicon Vertical Microwire Arrays

2022

Investigation and direct observation of sidewall leakage current of InGaN-Based green micro-light-emitting diodes

Optics Express

Youngwook Shin, Jinwoo Park, Byeong-U Bak, Sangjin Min, Dong-Soo Shin, Jun-Beom Park, Tak Jeong, and Jaekyun Kim
DOI : https://doi.org/10.1364/OE.459877

Investigation and direct observation of sidewall leakage current of InGaN-Based green micro-light-emitting diodes

Enhancement of the Electrical Performance and Bias Stability of RF-Sputtered Indium Tin Zinc Oxide Thin-Film Transistors with Vertical Stoichiometric Oxygen Control

ACS Applied Electronic Materials

Jeongho Lee, Jidong Jin, Seohyun Maeng, Gisang Choi, Hayoung Kim, and Jaekyun Kim
DOI : https://doi.org/10.1021/acsaelm.2c00054

Enhancement of the Electrical Performance and Bias Stability of RF-Sputtered Indium Tin Zinc Oxide Thin-Film Transistors with Vertical Stoichiometric Oxygen Control

2021

Multi-Foldable and Environmentally-Stable All-Solid-State Supercapacitor Based on Hierarchical Nano-Canyon Structured Ionic-Gel Polymer Electrolyte

Advanced Functional Materials

Dawoon Lee, Yeonhwa Song, Yongjun Song, Seung Ja Oh, U Hyeok Choi and Jaekyun Kim
DOI : https://doi.org/10.1002/adfm.202109907

Multi-Foldable and Environmentally-Stable All-Solid-State Supercapacitor Based on Hierarchical Nano-Canyon Structured Ionic-Gel Polymer Electrolyte

Ionic liquid-based molecular design for transparent, flexible, and fire-retardant triboelectric nanogenerator (TENG) for wearable energy solutions

Nano Energy

Youngkyun Kim, Dawoon Lee, Junsu Seong, Byeonwoo Bak, Uhyeok Choi, and Jaekyun Kim
DOI : https://doi.org/10.1016/j.nanoen.2021.105925

Ionic liquid-based molecular design for transparent, flexible, and fire-retardant triboelectric nanogenerator (TENG) for wearable energy solutions

Improved Performance and Operational Stability of Solution-Processed InGaSnO (IGTO) Thin Film Transistors by the Formation of Sn–O Complexes

ACS Applied Electronic Materials

Hyunjin Kim, Seohyun Maeng, Soobin Lee, and Jaekyun Kim
DOI : https://doi.org/10.1021/acsaelm.0c01048

Improved Performance and Operational Stability of Solution-Processed InGaSnO (IGTO) Thin Film Transistors by the Formation of Sn–O Complexes

2020

Investigation of electrical performance and operation stability of RF-sputtered InSnZnO thin film transistors by oxygen-ambient rapid thermal annealing

Semiconductor Science and Technology

Seohyun Maeng, Hyunjin Kim, Gisang Choi, Youngjoon Choi, Saeroonter Oh and Jaekyun Kim
DOI : https://doi.org/10.1088/1361-6641/abbc8f

Investigation of electrical performance and operation stability of RF-sputtered InSnZnO thin film transistors by oxygen-ambient rapid thermal annealing

Origin of high quantum efficiency in Si-based homoepitaxial InGaN/GaN light-emitting diodes

Journal of Physics D: Applied Physics

Moonsang Lee, Youngwook Shin, Hyun Uk Lee, Yesul Jeong, Myung Gwan Hahm and Jaekyun Kim
DOI : https://doi.org/10.1088/1361-6463/ab9330

Origin of high quantum efficiency in Si-based homoepitaxial InGaN/GaN light-emitting diodes

Highly stable, solution-processed quaternary oxide thin film-based resistive switching random access memory devices via global and local stoichiometric manipulation strategy

Nanotechnology

Dongyun Lee, Min Chul Chun, Hyungduk Ko, Bo Soo Kang and Jaekyun Kim
DOI : https://doi.org/10.1088/1361-6528/ab7e71

Highly stable, solution-processed quaternary oxide thin film-based resistive switching random access memory devices via global and local stoichiometric manipulation strategy

2019

Highly Flexible and Stable Solid-State Supercapacitors Based on a Homogeneous Thin Ion Gel Polymer Electrolyte Using a Poly(dimethylsiloxane) Stamp

ACS Applied Materials & Interfaces

Dawoon Lee, Yeon Hwa Song, U Hyeok Choi, and Jaekyun Kim
DOI : https://doi.org/10.1021/acsami.9b14990

Highly Flexible and Stable Solid-State Supercapacitors Based on a Homogeneous Thin Ion Gel Polymer Electrolyte Using a Poly(dimethylsiloxane) Stamp

Rapid large-grain (>100 μm) formation of organic-inorganic perovskite thin films via shear deposition for photovoltaic application

Solar energy

Jihye, Choe, Jiho Song, Dongyun Lee, Hye Ryung Byun, Mun Seok Jeong, Choong-Heui Chung, Ki-Ha Hong, and Jaekyun Kim
DOI : https://doi.org/10.1016/j.solener.2019.09.008

Rapid large-grain (>100 μm) formation of organic-inorganic perovskite thin films via shear deposition for photovoltaic application

Blue Emission of α‑GaN Colloidal Quantum Dots via Zn Doping

Chemistry of Materials

Yun Chang Choi, Hyunjin Kim, Chiho Lee, Juhee Son, Hionsuck Baik, Sungnam Park, Jaekyun Kim, and Kwang Seob Jeong
DOI : https://doi.org/10.1021/acs.chemmater.8b05193

Blue Emission of α‑GaN Colloidal Quantum Dots via Zn Doping

Nano Pt-decorated Transparent Solution-processed Oxide Semiconductor Sensor with ppm Detection Capability

RSC Advances

Jingu Kang, Kyung-Tae Kim, Seoung-Pil Jeon, Antonio Facchetti , Jaekyun Kim and Sung Kyu Park
DOI : https://doi.org/10.1039/C8RA09917K

Nano Pt-decorated Transparent Solution-processed Oxide Semiconductor Sensor with ppm Detection Capability

Significant improvement of reverse leakage current characteristics of Si-based homoepitaxial InGaN/GaN blue light emitting diodes

Scientific Reports

Moonsang Lee, Hyunkyu Lee, Keun Man Song, Jaekyun Kim
DOI : https://doi.org/10.1038/s41598-019-38664-x

Significant improvement of reverse leakage current characteristics of Si-based homoepitaxial InGaN/GaN blue light emitting diodes

2018

High-performance and scalable metal-chalcogenide semiconductors and devices via chalco-gel routes

Science Advances

Sung Min Kwon, Jong Kook Won, Jeong-Wan Jo, Jaehyun Kim, Hee-Joong Kim, Hyuck-In Kwon, Jaekyun Kim, Sangdoo Ahn, Yong-Hoon Kim, Myoung-Jae Lee, Hyung-ik Lee, Tobin J. Marks, Myung-Gil Kim, Sung Kyu Park
DOI : https://doi.org/10.1126/sciadv.aap9104

High-performance and scalable metal-chalcogenide semiconductors and devices via chalco-gel routes

Highly Secure Plasmonic Encryption Keys Combined with Upconversion Luminescence Nanocrystals

Advanced Functional Materials

Kisun Park, Minji Park, Ho Seong Jang, Ji Hun Park, Jaekyun Kim, Younghak Cho, Il Ki Han, Dongjin Byun, and Hyungduk Ko
DOI : https://doi.org/10.1002/adfm.201800369

Highly Secure Plasmonic Encryption Keys Combined with Upconversion Luminescence Nanocrystals

Investigation of Forward Tunneling Characteristics of InGaN/GaN Blue Light-Emitting Diodes on Freestanding GaN Detached from a Si Substrate

Nanomaterials

Moonsang Lee, Hyunkyu Lee, Keun Man Song and Jaekyun Kim
DOI : https://doi.org/10.3390/nano8070543

Investigation of Forward Tunneling Characteristics of InGaN/GaN Blue Light-Emitting Diodes on Freestanding GaN Detached from a Si Substrate

High-performance organic circuits based on precisely aligned single-crystal arrays

RSC Advances

Jingu Kang, Minwook Lee, Antonio Facchetti, Jaekyun Kim and Sung Kyu Park
DOI : https://doi.org/10.1039/C8RA02139B

High-performance organic circuits based on precisely aligned single-crystal arrays

Manipulation and Investigation of Uniformly-Spaced Nanowire Array on a Substrate via Dielectrophoresis and Electrostatic Interaction

Nanomaterials

U Hyeok Choi, Jihoon Park, Jaekyun Kim
DOI : https://doi.org/10.3390/nano8070456

Manipulation and Investigation of Uniformly-Spaced Nanowire Array on a Substrate via Dielectrophoresis and Electrostatic Interaction

2017

Precise Placement of Metallic Nanowires on a Substrate by Localized Electric Fields and Inter-Nanowire Electrostatic Interaction

Nanomaterials

U Hyeok Choi, Jaekyun Kim
DOI : https://doi.org/10.3390/nano7100335

Precise Placement of Metallic Nanowires on a Substrate by Localized Electric Fields and Inter-Nanowire Electrostatic Interaction

Meniscus-controlled Water-based Assembly of Sphere Particles for Chemical Vapor Detection

Journal of Nanoscience and Nanotechnology

Ji Woong Chang, Hyun Jae Kim, Jaekyun Kim
DOI : https://doi.org/10.1166/jnn.2017.15055

Meniscus-controlled Water-based Assembly of Sphere Particles for Chemical Vapor Detection

High electron mobility of b-HgS colloidal quantum dots with doubly occupied quantum states

RSC Advances

Jaekyun Kim, Bitna Yoon, Jaehyun Kim, Yunchang Choi, Young-Wan Kwon, Sung Kyu Park and Kwang Seob Jeong
DOI : https://doi.org/10.1039/C7RA07193K

High electron mobility of b-HgS colloidal quantum dots with doubly occupied quantum states

Static and Dynamic Water Motion-Induced Instability in Oxide Thin-Film Transistors and Its Suppression by Using Low‑k Fluoropolymer Passivation

ACS Applied Materials & Interfaces

Seungbeom Choi, Jeong-Wan Jo, Jaeyoung Kim, Seungho Song, Jaekyun Kim, Sung Kyu Park, and Yong-Hoon Kim
DOI : https://doi.org/10.1021/acsami.7b05948

Static and Dynamic Water Motion-Induced Instability in Oxide Thin-Film Transistors and Its Suppression by Using Low‑k Fluoropolymer Passivation

Brain-Inspired Photonic Neuromorphic Devices using Photodynamic Amorphous Oxide Semiconductors and their Persistent Photoconductivity

Advanced Materials

Minkyung Lee, Woobin Lee, Seungbeom Choi, Jeong-Wan Jo, Jaekyun Kim, Sung Kyu Park, and Yong-Hoon Kim
DOI : https://doi.org/10.1002/adma.201700951

Brain-Inspired Photonic Neuromorphic Devices using Photodynamic Amorphous Oxide Semiconductors and their Persistent Photoconductivity