Smart Electronics with pi-Carbon materials (SEpiC) Laboratory - Professor Hyun Ho Choi
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Our group is dedicated to pioneering research in next-generation electronic materials and devices, with a particular focus on organic and carbon-based polymers. The lab’s interdisciplinary work spans from fundamental science to practical applications, aiming to address challenges in flexible, wearable, and energy-efficient electronics.
우리 연구실과 연구분야에 관심있는 학생은 언제든 연락 바랍니다 (hh.choi@gnu.ac.kr)
If you are interested in our research, please feel free to contact us. We welcome inquiries from motivated students!
Main Research Areas
Flexible and Wearable Electronics : Design and fabrication of reliable, high-performance flexible and wearable electronic devices using advanced polymeric materials, with applications in consumer electronics and healthcare.
Organic Thin-Film Transistors (OTFTs) : Development and surface engineering of organic thin-film transistors, including the creation of self-assembled semiconducting nanostructures to enhance device stability and performance.
High-Performance Thermoelectric Materials and Devices : Research on polymer nanocomposites to achieve high electrical conductivity and thermoelectric conversion efficiency, supporting advances in energy harvesting and renewable energy.
Charge Transport in Organic Semiconductors : Fundamental studies on charge transport mechanisms in organic semiconductors, including novel Hall-effect measurements and new theoretical frameworks for organic materials.
Molecular Doping in Conductive Polymers : Development of innovative doping strategies to enhance the electrical conductivity and efficiency of polymer semiconductors.
Expanded Research Areas
Eco-friendly Flexible Electronics : Development of sustainable, or biocompatible flexible electronic materials and devices.
Biocompatible Flexible Electronics : Creation of skin-attachable, biocompatible electronic devices for healthcare and biomedical applications, ensuring safety and long-term integration with the human body.
Electronics for Extreme Environments : Advancement of organic and carbon-based electronic materials and devices capable of reliable operation in extreme conditions such as outer space, cryogenic temperatures, and high-temperature environments.
주요 연구 분야
유연·웨어러블 전자소자 : 고성능, 신뢰성 높은 유연 및 웨어러블 전자소자 설계 및 제작. 첨단 고분자 소재를 활용하여 차세대 소비자 전자제품 및 헬스케어 분야에 적용.
유기 박막 트랜지스터(OTFT) : 유기 박막 트랜지스터의 개발 및 표면공학, 자기조립 반도체 나노구조체 구현을 통한 소자 안정성 및 성능 향상.
고성능 열전 소재 및 소자 : 고분자 나노복합체를 활용한 높은 전기전도도 및 열전 변환 효율 달성. 에너지 하베스팅 및 신재생 에너지 분야에 기여.
유기 반도체의 전하 이동 : 유기 반도체 내 전하 수송 메커니즘에 대한 기초 연구. Hall 효과 측정 등 새로운 이론적 접근을 통해 유기 소재의 전기적 특성 최적화.
반도체 고분자의 도핑 기술 : 고분자 반도체의 전기전도도 및 소자 효율 향상을 위한 혁신적 도핑 전략 개발.
확장 연구 분야
친환경 유연전자소자 : 지속가능하고 재활용 가능한 또는 생체친화형 유연전자 소재 및 소자 개발.
생체친화형 유연전자소자 : 피부 부착형, 생체적합성 전자소자 개발. 인체와의 장기적 통합이 가능한 헬스케어·의료용 전자소자 연구.
극한 환경용 전자소재 및 소자 : 우주, 극저온, 고온 등 극한 환경에서 안정적으로 동작하는 유기 및 탄소 기반 전자소재 및 소자 개발. 우주(진공, 방사선, 극한 온도) 환경에서의 신뢰성 확보. 극저온/고온에서의 동작 특성 및 내구성 연구. 극한 환경 내 전하 수송 및 소재 안정성의 근본적 메커니즘 탐구
Investigation on Charge Transport in Next-Generation Semiconductors (Im, Jaemin)
Investigation on Charge Transport in Next-Generation Semiconductors (Im, Jaemin)
Development of High-Resolution Patterning of Conjugated Polymers (Kim, Youngjin)
Development of High-Resolution Patterning of Conjugated Polymers (Kim, Youngjin)
Dewetting-Driven Unique Structures in Polymer Thin Films for Soft Electronic Materials (Kim, Yuri)
Dewetting-Driven Unique Structures in Polymer Thin Films for Soft Electronic Materials (Kim, Yuri)
Development of Novel Aramid Insulating Films for Extreme Environment Electronics (Ryu, Yeonhae)
Development of Novel Aramid Insulating Films for Extreme Environment Electronics (Ryu, Yeonhae)
Novel Polyimide with Enhanced Photocarrier Retention for Highly Photosensitive OTFTs (Sung, Yerin)
Novel Polyimide with Enhanced Photocarrier Retention for Highly Photosensitive OTFTs (Sung, Yerin)
Studies on Advanced Doping of Conjugated Polymer (Lee, Jaeseo)
Studies on Advanced Doping of Conjugated Polymer (Lee, Jaeseo)
Self-Assembled Monolayer-Induced Doping of Conjugated Polymers (Kim, Deockhyeon)
Self-Assembled Monolayer-Induced Doping of Conjugated Polymers (Kim, Deockhyeon)
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