| 학회 |
한국고분자학회 |
| 학술대회 |
2017년 가을 (10/11 ~ 10/13, 제주컨벤션센터) |
| 권호 |
42권 2호 |
| 발표분야 |
기능성 고분자 |
| 제목 |
Humidity Sensors and Micro-supercapacitors Based on Carbon/Agarose Gel Composite Fibers |
| 초록 |
Electrical conductors based on carbon nanomaterials, such as graphene and carbon nanotube, are under consideration for numerous applications in energy storage, energy conversion devices, electronics, medical devices and sensors. Here, we present a simple and general process for fabrication of carbon nanomaterial based composite microfibers ranging from 20~250 um in diameter. The key mechanism of the process is size reduction during dehydration of extruded larger diameter conducting filler-loaded agarose hydrogel fibers. It turns out that appropriate agarose/filler/water compositions are critical for reliable fiber extrusion. The resulting composite microfiber is robust and conducting enough for fabrication of fiber-type microdevices. The humidity sensors and supercapacitors based on the agarose composite microfiber exhibit good sensitivity and excellent electrochemical performance. |
| 저자 |
구형준1, 김성곤2, Paul V. Braun3
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| 소속 |
1서울과학기술대, 2전북대, 3Univ. of Illinois at Urbana-Champaign |
| 키워드 |
Microfibers; graphene; CNT; hydrogel; composite; supercapacitor; sensor
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| E-Mail |
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