| 학회 |
한국화학공학회 |
| 학술대회 |
2018년 가을 (10/24 ~ 10/26, 대구 EXCO) |
| 권호 |
24권 2호, p.1158 |
| 발표분야 |
고분자(Polymer) |
| 제목 |
Color and transparency tuning of PEDOT:PSS films upon the change of doping states. |
| 초록 |
Conductive polymers have gotten a lot of attention with the advantage that it can be tailored as desired in a molecular level. Poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) is one of the most successful examples among the conductive polymers. Highly doped PEDOT:PSS thin film has light blue color and transparent. The color can be changed to purple and opaque upon de-doping of PEDOT with simple chemical treatment. In this study, we have de-doped PEDOT:PSS thin films and investigated their optical properties. Non-treated PEDOT:PSS film transmits over 80% in 680 nm wavelength and absorbs broad range in the near-infra-red region. De-doping of PEDOT:PSS with a base resulted in a reduction of absorption in NIR region and evolution of peaks in 600-800 nm. This change originates from the conversion of the bi-polaron states into polaron and neutral states. As a result, the de-doped thin films became deep blue and opaque. |
| 저자 |
장홍, 김건우, 심원미, 강관우, 신재환, 김용범, 김선주
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| 소속 |
중앙대 |
| 키워드 |
기능성고분자 |
| E-Mail |
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| 원문파일 |
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