| 학회 |
한국고분자학회 |
| 학술대회 |
2010년 가을 (10/07 ~ 10/08, 대구 EXCO) |
| 권호 |
35권 2호 |
| 발표분야 |
기능성 고분자 |
| 제목 |
Improvement of the electrochemical properties of PEDOT thin film by UV irradiation |
| 초록 |
Redox capacitor has a large output energy density, superb chargedischarge time and cycle life by reversible faradaic surface redox reaction. In this study, poly(3,4-ethylene dioxythiophene) PEDOT thin film as a working electrode was synthesized by solution polymerization. 0.1 M lithium perchlorate (LiClO4) solution in propylene carbonate(PC), acetonitrile(AC), methyl propionate(MP), 1,2 dimethoxyethane(DME) was used as the electrolyte solution in the redox capacitor. We compared the specific capacitance and coulombic efficiency of the redox capacitor before and after UV-irradiation on the PEDOT electrode. Specific capacitance of the capaciotr increased by about 10% after UV-irradiation. It was found that the PEDOT surface became more wettable with UV-irradiation. The change in the surface property lowered the contact resistance between electrode and electrolyte, resulting in the improved electrochemical properties of PEDOT supercapacitor. |
| 저자 |
임경빈, 최명수, 유성훈, 박봉수, 강보은, 이준영
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| 소속 |
성균관대 |
| 키워드 |
pedot; UV irradiation; electrochemical capacitor; capacitance
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| E-Mail |
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