Conferences
2024
Papertronics: Neuromorphic and Security Devices on Papers
Wangmyung Choi, Jihyun Shin, and Hocheon Yoo
European Materials Research Society (E-MRS) Spring Meeting, Strasbourg, France, Oral, 2024
Stable and Low Dark Current ZnGa2O4/p-Si Heterojunction Self-powered Photodiode for Broadband Light Detection
Wangmyung Choi, Seungme Kang, and Hocheon Yoo
European Materials Research Society (E-MRS) Spring Meeting, Strasbourg, France, Oral, 2024
Augmenting Multi-Factor Verification via Physically Unclonable Functions in PVDF-HFP Phase-Contingent a-IGZO Thin-Film Transistors
Youngmin Han, Subin Lee, Eun Kwang Lee, Hocheon Yoo, and Byung Chul JangÂ
European Materials Research Society (E-MRS) Spring Meeting, Strasbourg, France, Oral, 2024
When Light Meets New Application on Paper: Photo-induced Synapse Security Devices on Papers
Wangmyung Choi, Jihyun Shin, and Hocheon Yoo
European Materials Research Society (E-MRS) Spring Meeting, Strasbourg, France, Oral, 2024
Self-powered UVC Photodetector based on Beta-gallium Oxide for Arc Discharge Detection
Wangmyung Choi, Taehyun Park, and Hocheon Yoo
European Materials Research Society (E-MRS) Spring Meeting, Strasbourg, France, Oral, 2024
Identification of Stable Operation and Charge Transfer Characteristics of N-type Metal-Oxide and P-type Organic Anti-Ambipolar Transistor Using CYTOP Trap Free Layer
Youngmin Han, Subin Lee, Minseo Kim, and Hocheon Yoo
European Materials Research Society (E-MRS) Spring Meeting, Strasbourg, France, Oral, 2024
Analyze the Effect of Two P-type Organic Semiconductor Heterojunction on Transistor Charge Transport
Youngmin Han, and Hocheon Yoo
European Materials Research Society (E-MRS) Spring Meeting, Strasbourg, France, Oral, 2024
Emerging Semiconductors Meet Flexible Forms in New Application: Exploring Security, Multi-valued Computing, and Hazard Monitoring
Hocheon Yoo
European Materials Research Society (E-MRS) Spring Meeting, Strasbourg, France, Oral, 2024
pNDI-SVS Floating Gate-based High-efficiency Flexible Broadband Optical Logic-in-memory Papertronics
Youngmin Han, and Hocheon Yoo
The Polymer Society of Korea, Jeju, Korea, Oral, 2024
Multiple Key Generable Physically Unclonable Functions Utilizing C8-BTBT and PTCDI-C13 for Robust Information Encryption
Jihyun Shin, and Hocheon Yoo
The Polymer Society of Korea, Jeju, Korea, Oral, 2024
Physical Unclonable Function Using Random Electrical Characteristics of N-Si-based DNTT/ZnGa2O4 Cluster
Seungme Kang, and Hocheon Yoo
The Polymer Society of Korea, Jeju, Korea, Oral, 2024
Implementation of a Novel Concept of Synapses on Business Card through Ternary C60-Pentacene-TiO2-X Nanorods Heterostructures
Yunchae Jeon, and Hocheon Yoo
The Polymer Society of Korea, Jeju, Korea, Oral, 2024
Organic Transistor with Depletion Mode via P-doping and their Application to Unipolar Inverters
Yunchae Jeon, and Hocheon Yoo
The Polymer Society of Korea, Jeju, Korea, Poster, 2024
Analysis of Charge Transport Characteristics in P-type to P-type Organic Hetero-Junction Transistor for Understanding Anti-Ambipolar Charge Transport Characteristics
Youngmin Han, and Hocheon Yoo
The Polymer Society of Korea, Jeju, Korea, Poster, 2024
Neuromorphic and Physically Unclonable Functions Devices as Papertronics Using PVK/SnO2 Nanoparticles
Jihyun Shin, and Hocheon Yoo
The Polymer Society of Korea, Jeju, Korea, Poster, 2024
Influence of Trap-Healing Tunneling Layer for Stable and High-Efficiency Operation of Metal Oxide and Organic Anti-Ambipolar Hetero Transistors
Youngmin Han, Subin Lee, Minseo Kim, and Hocheon Yoo
The Polymer Society of Korea, Jeju, Korea, Poster, 2024
Organic Ternary Inverter Circuit Using Negative Transconductance Transistor
Yunchae Jeon, and Hocheon Yoo
The Polymer Society of Korea, Jeju, Korea, Poster, 2024
P-N Heterojunction Transistor with Improved Hysteresis by Inserting CYTOP and Parylene Inter-Layers
Seungme Kang, and Hocheon Yoo
The Polymer Society of Korea, Jeju, Korea, Poster, 2024
High Uniform and Robust Zinc Gallate-based Self-Powered Photodetector
Seungme Kang, and Hocheon Yoo
The Polymer Society of Korea, Jeju, Korea, Poster, 2024
2023
Opposite Charge Separation-Induced DUV/Visible Bipolar Photo-Response of Organic/Inorganic Heterojunction Self-Powered Photodetector
Taehyun Park, Juhyung Seo, and Hocheon Yoo
Materials Research Society (MRS) Fall Meeting, Boston, USA, Oral, 2023
Enhancemnet of p-type Behavior of Inkjet-Printed Single-Walled Carbon Nanotube Transistors from Phenylphosphonic acid Coating
Dong Hyun Lee, Siwon Hwang, Bongjun Kim, and Hocheon Yoo
Materials Research Society (MRS) Fall Meeting, Boston, USA, Poster, 2023
A Phototransistor Leads to Artificial Synaptic Behaviors by Controlling Off-Current under Illumination
Seungme Kang, Sunyoung Sohn, Hyeran Kim, Hyung Joong Yun, Byung Chul Jang, and Hocheon Yoo
Materials Research Society (MRS) Fall Meeting, Boston, USA, Oral, 2023
Self-Powered DUV Photodetectors and Their Emerging Applications
Taehyun Park, Dong Hyun Lee, and Hochenon Yoo
Materials Research Society (MRS) Fall Meeting, Boston, USA, Oral, 2023
Broadband Photodetectors with Zinc Gallate Spinel Structure for Broadband IR-Vis-UV Wavelength Detection
Seungme Kang, Wangmyung Choi, and Hocheon Yoo
Materials Research Society (MRS) Fall Meeting, Boston, USA, Oral, 2023
Demonstration of Controlled Doping and Complementary Inverter Operation in Transition Metal Dichalcogenide Transistors using Self-Assembled Monolayers
Dong Hyun Lee, Youngmin Han, and Hocheon YooÂ
Materials Research Society (MRS) Fall Meeting, Boston, USA, Poster, 2023
Advancing Data Processing Efficiency: Multivalued Logic Circuits and Vertically-Integrated Heterojunction Transistors
Hocheon Yoo
European Materials Research Society (E-MRS) Fall Meeting, Warsaw University of Technology, Poland, Oral, 2023
Wide bandgap UVC sensors meet new applications: hazard monitoring
Hocheon Yoo
European Materials Research Society (E-MRS) Fall Meeting, Warsaw University of Technology, Poland, Oral, 2023
Implementation of an Inverter Using Chemically Doped WSe2 and MoS2 FET
Raksan Ko, Dong Hyun Lee, and Hocheon Yoo
The 23rd International Meeting on Information Display (IMID), Busan, Republic of Korea, Oral, 2023
A low dark current, wideband photodetector based on CuVO2 oxide semiconductor
Juhyung Seo, Taehyun Park, and Hocheon Yoo
The 23rd International Meeting on Information Display (IMID), Busan, Republic of Korea, Oral, 2023
Dipole Doping of PVDF-HFP on IGZO Transistor for Hardware-Based Physically Unclonable Functions from Production to Destruction Security Keys
Subin Lee, Youngmin, and Hocheon Yoo
The 23rd International Meeting on Information Display (IMID), Busan, Republic of Korea, Oral, 2023
Ni-doped CuCrO2 Photodetector with Voltage-Tunable Broadband Photodetection and Its Application in Optoelectronic LogicÂ
Yunchae Jeon, Taehyun Park, and Hocheon Yoo
The 23rd International Meeting on Information Display (IMID), Busan, Republic of Korea, Oral, 2023
Investigation of Charge Transport in Organic Heterojunctions Transistors through Utilization of Semiconducting Small Molecules
Youngmin Han, Chang-Hyun Kim, and Hocheon Yoo
The 23rd International Meeting on Information Display (IMID), Busan, Republic of Korea, Poster, 2023
Small-Molecular Charge Injection Layers Regulating Injection Barriers and their Applications to Organic-Inorganic Complementary Inverters
Youngmin Han, Seongjae Kim, Chang-Hyun Kim, and Hocheon Yoo
The 23rd International Meeting on Information Display (IMID), Busan, Republic of Korea, Poster, 2023
Defense System Against Machine Learning Attacks of Physical Unclonable Functions Implemented in a Non-destructive AnalysisÂ
Subin Lee, Minseo Kim, and Hocheon Yoo
The 23rd International Meeting on Information Display (IMID), Busan, Republic of Korea, Poster, 2023
Arc discharge detection with Self-Powered Vertical Metal-Semiconductor-Metal Photodetectors based on Asymmetric Schottky JunctionsÂ
Wangmyung Choi, Taehyun Park, and Hocheon Yoo
The 23rd International Meeting on Information Display (IMID), Busan, Republic of Korea, Poster, 2023
Physical Unclonable Function based on C8-BTBT Thickness Generating Multiple Security KeysÂ
Jihyun Shin, Subin Lee, and Hocheon Yoo
The 23rd International Meeting on Information Display (IMID), Busan, Republic of Korea, Poster, 2023
Low-temperature Gas Sensing Based on Solution-Processed Tin Oxide Nanoparticles/Silicon Heterojunction Optical Gas Sensor with Fast ResponseÂ
Jisoo Park, Taehyun Park, and Hocheon Yoo
The 23rd International Meeting on Information Display (IMID), Busan, Republic of Korea, Poster, 2023
Self-driven Wavelength Dependent Bipolar Photo-response of Tin Oxide Quantum Dots-Fluorene Copolymer-based Vertically Stacked Dual Heterojunction Photodetector
Taehyun Park and Hocheon Yoo
The 23rd International Meeting on Information Display (IMID), Busan, Republic of Korea, Poster, 2023
Hole Carriers Transport Enhancement in Inkjet-Printed Single-walled Carbon Nanotube Transistors by Self-Assembled Monolayer Doping Effect
Dong Hyun Lee, Siwon Hwang, Bongjun Kim, and Hocheon Yoo
The 23rd International Meeting on Information Display (IMID), Busan, Republic of Korea, Poster, 2023
Coplanar Asymmetric Nanogap Patterns Obtained by Adhesion Lithography and their Applications to Versatile Materials-based Gate-Tunable Schottky Diodes
Minseo Kim, Seongjae Kim, and Hocheon Yoo
The 23rd International Meeting on Information Display (IMID), Busan, Republic of Korea, Poster, 2023
Light-Assisted/Light-Driven Memory Behaviors using C8-BTBT-Fluoropolymer-PTCDI-C13 Vertically-Stacked Floating-Gate HeterostructuresÂ
Seungme Kang, Seongjae Kim, and Hocheon Yoo
The 23rd International Meeting on Information Display (IMID), Busan, Republic of Korea, Poster, 2023
A Phototransistor for Performs Artificial Synaptic Action by Controlling Off-current with Illumination
Seungme Kang, Byungchul Jang, Sunyiung Sohn, and Hocheon Yoo
The 23rd International Meeting on Information Display (IMID), Busan, Republic of Korea, Poster, 2023
Photoreactive Optically-Guided and Programmed Memory Devices from Heterojunction Stacked Organic Materials
Hocheon Yoo
Materials Today Conference, Singapore Expo, Singapore, Oral, 2023
Multivalued Logic Circuits from Asymmetric, 3D-Integrated Organic Heterojunction Thin-Film TransistorsÂ
Hocheon Yoo
Materials Today Conference, Singapore Expo, Singapore, Oral, 2023
New Concept Electronic Devices from Material-Device-Application Co-Consideration
Hocheon Yoo
The 10th Korean Symposium on Graphene and 2D Materials, Busan, Republic of Korea, Invited presentation, 2023
Robust and uniform chemical doping effects on the MoS2 filed effect transistor based on ferroelectric polymer dopant
Taehyun Park, Dong Hyun Lee, Taeho Jeong, Youngkyun Jung, Junghee Park, Nackyong Joo, Uiyeon Won, and Hocheon Yoo
The 10th Korean Symposium on Graphene and 2D Materials, Busan, Republic of Korea, Poster, 2023
PEDOT:PSS/Beta-Gallium Oxide/Indium Tin Oxide based Self-Powered Vertical Metal-Semiconductor-Metal UVC Photodetector Fabrication for Arc Discharge Detection
Wangmyung Choi, Taehyun Park, Hocheon Yoo and Jaehyun Hur
The 10th Korean Symposium on Graphene and 2D Materials, Busan, Republic of Korea, Poster, 2023
Multivalued Logic Circuits based on Vertically Integrated Organic Transistors
Hocheon Yoo
European Materials Research Society (E-MRS) Spring Meeting, Strasbourg, France, Oral, 2023
From Key Generation to Destruction of Physical Unclonable Function Using a-IGZO-based Transistor Doped with PVDF-HFP and Its Randomly-Tunable Electrical Properties Depending on the Phase Transition
Subin Lee, Byung Chul Jang, Minseo Kim, Si Heon Lim, Eunbee Ko, Hyun Ho Kim, and Hocheon Yoo
European Materials Research Society (E-MRS) Spring Meeting, Strasbourg, France, Oral, 2023
Physically Unclonable Functions Capable of Preventing Machine Learning Hacking Attacks Obtained by Disordered Interfacial-doping of Graphene Using Mixed Self-assembled Monolayers
Subin Lee, Youngmin Han, Eun Kwang Lee, Byungchul Jang, and Hocheon Yoo
European Materials Research Society (E-MRS) Spring Meeting, Strasbourg, France, Oral, 2023
Doping Effect of MoO3 Encapsulation Layer on DNTT-based Organic Transistors and their Application to Unipolar Inverter Circuits
Yunchae Jeon, Ye Ji Shin, Yongmin Jeon, and Hocheon Yoo
European Materials Research Society (E-MRS) Spring Meeting, Strasbourg, France, Oral, 2023
Physical Unclonable Functions with Unpredictably Disordered Resistance of HGO and PGO According to Concentration Control of Differently Synthesized Graphene Oxide Flakes
Subin Lee, Seon Yeon Choi, Byung Chul Jang, Dong Hyun Lee, Joo Young Cho, Joong Tark Han, and Hocheon Yoo
European Materials Research Society (E-MRS) Spring Meeting, Strasbourg, France, Poster, 2023
A Physical Unclonable Function Security Device Generated by Irregular Grain Boundaries of Perovskite Calcium Titanate
Subin Lee, Eun Kwang Lee, Byung Chul Jang, and Hocheon Yoo
European Materials Research Society (E-MRS) Spring Meeting, Strasbourg, France, Poster, 2023
Voltage-Tunable Broadband Ni-doped CuCrO2 Photodetector and Its Application in Optoelectrical AND Gate Logic
Yunchae Jeon, Teahyun Park, and Hocheon Yoo
European Materials Research Society (E-MRS) Spring Meeting, Strasbourg, France, Poster, 2023
Gate/Light Co-Tunable Negative Differential Resistance Behaviors and 9 by 9 Photodetectors Array from Small-Molecules Heterostructure
Yunchae Jeon, Seongjae Kim, and Hocheon Yoo
European Materials Research Society (E-MRS) Spring Meeting, Strasbourg, France, Poster, 2023
Self-adhesive, Eco-friendly Degradable, and Conductive Organic Composite Film for Wireless Electrophysiological Signal Sensing
Teahyun Park, Jinwoo Jeong, Young-Joon Kim, and Hocheon Yoo
Korea Flexible & Printed Electronics (KFPE) Spring Meeting, Yeosu, Republic of Korea, Oral presentation, 2023
New Concept Transistors using Emerging Materials
Hocheon Yoo
Korea Flexible & Printed Electronics (KFPE) Spring Meeting, Yeosu, Republic of Korea, Invited presentation, 2023
Experimental and Theoretical Study of Ternary Logic Circuit using Negative Transconductance Transistors with Pull-Down Switching
Somi Kim, Yunchae Jeon, Hong-rae Cho, Chang-Hyun Kim, and Hocheon Yoo
Korea Flexible & Printed Electronics (KFPE) Spring Meeting, Yeosu, Republic of Korea, Poster, 2023
Bridge transistor capable of inducing early saturation characteristics of drain current
Seongjae Kim, Subin Lee, Chang-Hyun Kim, and Hocheon Yoo
Korea Flexible & Printed Electronics (KFPE) Spring Meeting, Yeosu, Republic of Korea, Poster, 2023
Machine Learning Attacks-Resistant Security by Mixed-Assembled Layers-Inserted Graphene Physically Unclonable Function
Subin Lee, Byung Chul Jang, Minseo Kim, Si Heon Lim, Eunbee Ko, Hyun Ho Kim, and Hocheon Yoo
Korea Flexible & Printed Electronics (KFPE) Spring Meeting, Yeosu, Republic of Korea, Poster, 2023
Applications of Zinc-Tin oxide/C8-BTBT hybrid heterostructures in pre-state-dependent inverter logic with balanced ambipolar charge transport behaviors
Juhyung Seo, Jihyun Shin, and Hocheon Yoo
Korea Flexible & Printed Electronics (KFPE) Spring Meeting, Yeosu, Republic of Korea, Poster, 2023
Experimental and Theoretical Evidence of Charge Injection Barrier Control by Small-Molecular Charge Injection Layer and Its Effects on Organic-Inorganic Complementary Inverters
Youngmin Han, Seongjae Kim, Chang-Hyun Kim and Hocheon Yoo
30th Korean Conference on Semiconductors (KCS), Jeongseon, Republic of Korea, Oral, 2023
Channel Switching-Based Negative Differential Resistance Behavior with Post-Fabrication Adjustability Using Light and Gate Voltage
Seongjae Kim, Yunchae Jeon, and Hocheon Yoo
30th Korean Conference on Semiconductors (KCS), Jeongseon, Republic of Korea, Oral, 2023
Adhesion Lithography on Fluoropolymers for Sub-100 nm Channel Gate-Tunable Diodes
Minseo Kim, Seongjae Kim, and Hocheon Yoo
30th Korean Conference on Semiconductors (KCS), Jeongseon, Republic of Korea, Oral, 2023
Optically Programmable Floating-gate Small Molecules-based Heterojuction Transistors Exceeding a Programmed/Erased Current Ratio of 10^7
Seungme Kang, Seongjae Kim, and Hocheon Yoo
30th Korean Conference on Semiconductors (KCS), Jeongseon, Republic of Korea, Oral, 2023
Ni-doped CuCrO2/n-Si Heterojunction-based Broadband Photodetector and their Application to Optoelectrical Logic
Yunchae Jeon, Teahyun Park, and Hocheon Yoo
30th Korean Conference on Semiconductors (KCS), Jeongseon, Republic of Korea, Poster, 2023
Hysteresis and Charge Trap Analysis of C8-BTBT Transistor Based on the Transfer Curve
Somi Kim, Hochen Yoo, and Jaeyoung Choi
30th Korean Conference on Semiconductors (KCS), Jeongseon, Republic of Korea, Poster, 2023
Physical Unclonable Function by a Disordered Distribution of Multiple Functional Groups from Mixed Self-assembled Monolayers
Subin Lee, Hyun Ho Kim, Juhyung Seo, Byung Chul Jang, and Hocheon Yoo
30th Korean Conference on Semiconductors (KCS), Jeongseon, Republic of Korea, Poster, 2023
2022
Morphology-Dependent Zinc Oxide Structures and Their Applications to Negative Differential Resistance Behaviors in Mixed-Dimensional 0D/3D Zinc Oxide Small Nanoparticles/p-Si Heterointerface Devices
Somi Kim, Teahyun Park, and Hocheon Yoo
Materials Research Society (MRS) Fall Meeting, Boston, USA, Oral, 2022
Dielectric Surface-Dependent Photogating Phenomenon and Interface Trap Engineering in C8-BTBT Leading to Photo-Induced Synaptic Applications
Somi Kim, Jihyun Shin, Byung Chul Jang, and Hocheon Yoo
Materials Research Society (MRS) Fall Meeting, Boston, USA, Oral, 2022
Calcium Titanate Orthorhombic Perovskite-Nickel Oxide Heterogeneous Solar Blind UVC Photodetectors with Unprecedented Long-term Stability Exceeding 500 Days and Their Applications to Real-Time Flame Detection
Subin Lee, Taehyun Park, Jaehyun Hur, and Hocheon Yoo
Materials Research Society (MRS) Fall Meeting, Boston, USA, Oral, 2022
Gate/Light Co-Tunable Negative Differential Resistance Behaviors from Small-Molecules Heterostructure
Seongjae Kim, Yunchae Jeon, and Hocheon Yoo
Materials Research Society (MRS) Fall Meeting, Boston, USA, Oral, 2022
Vertically-Integrated, Multivalued Logics from Heterojunction Transistors for Low Power and High-Efficiency Computing
Hocheon Yoo
Materials Research Society (MRS) Fall Meeting, Boston, USA, Oral, 2022
Physical Unclonable Function Devices Based on Randomness of Grain-Boundary Formation in Calcium Titanate Perovskite Layers
Subin Lee, Taehyun Park, Jaehyun Hur, and Hocheon Yoo
Materials Research Society (MRS) Fall Meeting, Boston, USA, Poster, 2022
Hetero-interfaced Anti-ambipolar Phototransistor Capable of Distinguishing Wavelength Bands of LightÂ
Seongjae Kim, Seongin Hong, and Hocheon Yoo
Materials Research Society (MRS) Fall Meeting, Boston, USA, Poster, 2022
Physical Unclonable Function from Disordered Silane-Based Self-Assembled Monolayers
Subin Lee, Hyunho Kim, Juhyung Seo, Byung Chul Jang and Hocheon Yoo
Materials Research Society (MRS) Fall Meeting, Boston, USA, Poster, 2022
100% Yield, 4-Inch Wafer-Scale Non-Volatile Optically-Guided Organic-Inorganic Heterostructure Memory Array with Simultaneous Detection and Storage of Text Image
Seongjae Kim, Juhyung Seo, Taehyun Park, and Hocheon YooÂ
Materials Research Society (MRS) Fall Meeting, Boston, USA, Poster, 2022
Pre-State-Dependent Ternary/Binary Logic Operation Obtained by Ink-jet Printed SWCNT/InO Heterojunction Transistors
Somi Kim, Seoyeon Jung, Bongjun Kim, and Hocheon Yoo
Materials Research Society (MRS) Fall Meeting, Boston, USA, Poster, 2022
High Performance Organic-Inorganic Heterostructure Ambipolar Field-Effect Transistors and Circuits
Juhyung Seo, Jihyun Shin, and Hocheon Yoo
7th International Conference on Electronic Materials and Nanotechnology for Green Environment (ENGE), Jeju, Republic of Korea, Oral, 2022
Light-Induced Synaptic Behaviors by Interface Trap Engineering and Photo-Gating Effects in C8-BTBT
Jihyun Shin, Somi Kim, and Hocheon Yoo
7th International Conference on Electronic Materials and Nanotechnology for Green Environment (ENGE), Jeju, Republic of Korea, Oral, 2022
Wafer-scale Optical-guided Memory Array Implemented with Hybrid Organic-Inorganic Heterogeneous Materials
Hocheon Yoo
7th International Conference on Electronic Materials and Nanotechnology for Green Environment (ENGE), Jeju, Republic of Korea, Invited presentation, 2022
P-type Organic Photo Memory Integrated with N-type Metal Oxide Transistors for Complementary Logic-in-memory Inverter Circuit
Juhyung Seo, Seongjae Kim, Â and Hocheon Yoo
7th International Conference on Electronic Materials and Nanotechnology for Green Environment (ENGE), Jeju, Republic of Korea, Poster, 2022
Optically Programmable Organic Memory Transistors Exceeding a Program/Erase Current Ratio of 10^7
Seungme Kang, Seongjae Kim, and Hocheon Yoo
7th International Conference on Electronic Materials and Nanotechnology for Green Environment (ENGE), Jeju, Republic of Korea, Poster, 2022
Zinc-Tin Oxide Thin-Film Transistors Optimization and Applications to Organic and Metal Oxide Hybrid Complementary Inverter Circuits
Juhyung Seo, and Hocheon Yoo
7th International Conference on Electronic Materials and Nanotechnology for Green Environment (ENGE), Jeju, Republic of Korea, Poster, 2022
Small Molecule Organic Semiconductor-based Heterojunction Phototransistor with Location-Dependent Photoresponse Characteristics
Seongjae Kim, Seongin Hong, and Hocheon Yoo
The 17th International Thin-Film Transistor Conference (ITC), London, UK, Poster, 2022
Self-Powered, Ambient Light Self-Rejection Fire Monitoring Via Solution-Processed Perovskite CaTiO3/NiO Heterostructure UVC Photodetector
Subin Lee, Taehyun Park, Jaehyun Hur, and Hocheon Yoo
22nd International Meeting on Information Display (IMID), Busan, Republic of Korea, Oral, 2022
Ambipolar Thin-Film Transistors and Floating-Gate Memory Devices Enabled by Small-Molecules and Metal Oxide Heterostructure
Yunchae Jeon, Juhyung Seo, and Hocheon Yoo
22nd International Meeting on Information Display (IMID), Busan, Republic of Korea, Oral, 2022
Pre-State-Dependent Ternary/Binary Logic Operation Obtained by Ink-jet Printed SWCNT/InO Heterojunction Transistors
Somi Kim, Seoyeon Jung, Bongjun Kim, and Hocheon Yoo
21th International Meeting on Information Display (IMID), Busan, Republic of Korea, Poster, 2022
Morphology-Dependency of Negative Differential Resistance by Sol-Gel Film, Nanoparticles, and Quantum Dots-Based Zinc Oxide/P-Doped-Si Heterojunction Structures
Somi Kim, Taehyun Park, and Hocheon Yoo
21th International Meeting on Information Display (IMID), Busan, Republic of Korea, Poster, 2022
Wafer-Scale Optical Memory Array with Light Intensity-Dependent Multi-Memory States
Seongjae Kim, Juhyung Seo, Taehyun Park, and Hocheon Yoo
21th International Meeting on Information Display (IMID), Busan, Republic of Korea, Poster, 2022
Gate/Light Co-Tunable Negative Differential Resistance Behaviors From Small-Molecules Heterostructure
Yunchae Jeon, Seongjae Kim, and Hocheon Yoo
21th International Meeting on Information Display (IMID), Busan, Republic of Korea, Poster, 2022
Argon and Oxygen Gas Flow Rate Dependency of Sputtering-Based Indium-Gallium-Zinc Oxide Transistor
Youngmin Han, Dong hyun Lee, Sang Jik Kwon, Eou-Sik Cho, and Hocheon Yoo
21th International Meeting on Information Display (IMID), Busan, Republic of Korea, Poster, 2022
PEDOT: PSS Based Dry Electrode of Water-Proof Properties for Electrocardiography and Electromyography Biosensors
Dong Hyun Lee, Taehyun Park, and Hocheon Yoo
The Korean Institute of Metals and Materials (KIM), Changwon, Republic of Korea, Poster, 2022
Wireless Electrophysiological Signal Sensing Using an Intrinsically Conductive and Robust Organic Composite Film
Taehyun Park, Jinwoo Jeong, Young-Joon Kim, and Hocheon Yoo
The Korean Institute of Metals and Materials (KIM), Changwon, Republic of Korea, Poster, 2022
Indium-Gallium-Zinc oxide-based platform High Blood Pressure Biosensor at Chemical Doping Effect
Dong Hyun Lee, Taehyun Park, and Hocheon Yoo
The Korean Institute of Metals and Materials (KIM), Changwon, Republic of Korea, Oral, 2022
Opto-electrical Identification of Blood Components by Tin Oxide Quantum Dot–Fluorene Copolymer Self-Powered Heterojunction Photodetectors
Taehyun Park, and Hocheon Yoo
The Korean Institute of Metals and Materials (KIM), Changwon, Republic of Korea, Oral, 2022
High-performance, Self-powered, and Semi-transparent Ultraviolet-C Photodetectors based on Solution-processed CaTiO3 Perovskite Heterojunctions
Subin Lee, Taehyun Park, Jaehyun Hur, and Hocheon Yoo
29th Korean Conference on Semiconductors (KCS), Jeongseon, Republic of Korea, Oral, 2022
Facile and Real-Time Identification of Blood Components via Self-Powered Organic-Inorganic Heterojunction Photodetectors
Taehyun Park, and Hocheon Yoo
29th Korean Conference on Semiconductors (KCS), Jeongseon, Republic of Korea, Oral, 2022
Optically Programmable Multi-State Small Molecules Memory Transistors with Channel Thickness Dependent Characteristics
Seongjae Kim, Juhyung Seo, Taehyun Park, and Hocheon Yoo
29th Korean Conference on Semiconductors (KCS), Jeongseon, Republic of Korea, Oral, 2022
Remote Doping of Octradecylphosphonic Acid Self-Assembled Monolayer Enabling High-Performance IGZO/p-Si Heterojunction Photodetectors
Dong Hyun Lee, Gunhoo Woo, Yeri Heo, Eungchul Kim, Sungmin On, Taesung Kim, and Hocheon Yoo
29th Korean Conference on Semiconductors (KCS), Jeongseon, Republic of Korea, Oral, 2022
Optimization of Zinc-Tin Oxide Thin-Film Transistors and its Applications to Organic and Metal Oxide Hybrid Complementary Inverter Circuits
Juhyung Seo, and Hocheon Yoo
29th Korean Conference on Semiconductors (KCS), Jeongseon, Republic of Korea, Oral, 2022
Morphology-Dependent Negative Differential Resistance Behaviors of Zinc Oxide/p-Si Heterojunction Structures
Somi Kim, Teahyun Park, and Hocheon Yoo
29th Korean Conference on Semiconductors (KCS), Jeongseon, Republic of Korea, Poster, 2022
Non-Volatile Ambipolar Floating-Gate Memory Devices using Small-Molecules Bilayer
Yunchae Jeon, Seongjae Kim, and Hocheon Yoo
29th Korean Conference on Semiconductors (KCS), Jeongseon, Republic of Korea, Poster, 2022
Dielectric Surface-Dependent Photoresponsive Characteristics of C8-BTBT Thin-Film Phototransistors
Jihyun Shin, Somi Kim, and Hocheon Yoo
29th Korean Conference on Semiconductors (KCS), Jeongseon, Republic of Korea, Poster, 2022
2021
Negative Differential Resistance and Negative Differential Transconductance: New Switching Behaviors from Heterojunction Devices
Hocheon Yoo
21st International Meeting on Information Display (IMID), Seoul, Republic of Korea, Invited presentation, 2021
Solution-Processed Calcium Titanate Perovskite Film and Its Thickness-Dependent Hysteresis Behaviors
Subin Lee, Soyeon Kwak, Taehyun Park, Jaehyun Hur, and Hocheon Yoo
21st International Meeting on Information Display (IMID), Seoul, Republic of Korea, Poster, 2021
Optoelectrical Determination of Blood Components by Tin Oxide Quantum Dots-Fluorene Copolymer Heterojunction Self-powered Photodetectors
Taehyun Park, and Hocheon Yoo
21th International Meeting on Information Display (IMID), Seoul, Republic of Korea, Poster, 2021
MoSe2 Transistor with Improved P-type Characteristics through Low-Temperature Annealing
Seongjae Kim, Seongin Hong, and Hocheon Yoo
21th International Meeting on Information Display (IMID), Seoul, Republic of Korea, Poster, 2021
Negative differential resistance performance in 0D/3D mixed dimensional heterostructure using ZnO quantum dots
Somi Kim, Taehyun Park, and Hocheon Yoo
21st International Meeting on Information Display (IMID), Seoul, Republic of Korea, Poster, 2021
Carbon Chain Length and Annealing Temperature Dependency of Self-Assembeld Monolayer-Doped IGZO Thin-Film Transistors
Juhyung Seo, and Hocheon Yoo
21th International Meeting on Information Display (IMID), Seoul, Republic of Korea, Poster, 2021
High Performance DIPS-Pentacene Thin-Film Transistors using Bar-Coating Method
Somi Kim, Hyeonji Lee, Se In Chung, John Anthony, Kilwon Cho, and Hocheon Yoo
28th Korean Conference on Semiconductor (KCS), Poster, 2021
Heterostructured Anti-Ambipolar Phototransistors using Small Molecules-based Organic Semiconductors
Seongjae Kim, Seongin Hong, Won Jae Lee, and Hocheon Yoo
28th Korean Conference on Semiconductor (KCS), Poster, 2021