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김재환(Jaehwan Kim),양상열(Sang Yeol Yang),장상동(Sangdong Jang),고현우(Hyun-U Ko),문성철(Sungcheol Mun),김동구(Donggu Kim),강진호(Jinho Kang) 대한기계학회 2011 대한기계학회 춘추학술대회 Vol.2011 No.10
Cellulose Electro-Active Paper (EAPap) is attractive as a bio-mimetic actuator due to its merits in terms of lightweight, dry condition, large displacement output, low actuation voltage and low power consumption. Cellulose has been regenerated so as to align its microfibrils along a direction, which results in a piezoelectric paper. By chemically bonding and mixing with carbon nanotubes, titanium oxide, zinc oxide, tin oxides, the cellulose EAP can be a hybrid nanocomposite that have versatile properties and can meet material requirements for many application devices. This paper introduces recent research trend of the cellulose EAPap, mainly material preparations as well as application devices including temperature and humidity sensors, biosensors, chemical sensors, flexible transistors and actuators. This paper also explains wirelessly driving technology for the cellulose EAPap, which is attractive for biomimetic robotics, surveillance and micro-aerial vehicles.
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김재환(Jaehwan Kim),양상렬(Sang Yeol Yang),장상동(Sang-Dong Jang),고현우(Hyun-U Ko),문성철(Sungcheol Mun),김동구(Donggu Kim),강진호(Jinho Kang) 대한기계학회 2012 大韓機械學會論文集B Vol.36 No.5
셀룰로오스 EAPap 작동기는 생체 모방형 작동기의 하나로 생체적합하고 가볍고 비교적 낮은 전압에서도 큰 변위를 발생시킨다는 장점을 가지고 있다. 셀룰로오스를 재생하면서 셀룰로오스 파이버를 배열함으로써 압전 종이를 만들었다. 한편 셀룰로오스에 탄소나노튜브, 산화금속 나노분말, 전도성 고분자, 이온성 유체등을 물리적, 화학적으로 결합시켜 다양한 하이브리드 나노복합재를 만들었다. 본 논문에서는 셀룰로오스 EAPap 의 제조공정 및 이를 응용한 바이오센서, 화학센서, 유연트랜지스터, 그리고 작동기의 응용 디바이스에 대해 소개한다. 또한 셀룰로오스 EAPap을 무선으로 구동하는 기술에 대해 소개한다. 이는 생체모방로봇, 정찰 등에 활용될 수 있다. Cellulose Electro-Active Paper (EAPap) is attractive as a biomimetic actuator because of its merits: it is lightweight, operates in dry conditions, has a large displacement output, has a low actuation voltage, and has low power consumption. Cellulose is regenerated so as to align its microfibrils, which results in a piezoelectric paper. When chemically bonded and mixed with carbon nanotubes, titanium oxide, zinc oxide, tin oxides, the cellulose EAPap can be used as a hybrid nanocomposite that has versatile properties and that can meet the requirements of many application devices. This paper presents trends in recent research on the cellulose EAPap, mainly on material preparation and its use in devices, including biosensors, chemical sensors, flexible transistors, and actuators. This paper also explains wirelessly driving technology for the cellulose EAPap, which is attractive for use in biomimetic robotics and micro-aerial vehicles.
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