화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2016년 봄 (04/06 ~ 04/08, 대전컨벤션센터)
권호 41권 1호
발표분야 전기화학기반 변색/발광형 소재 및 응용기술
제목 High color contrast bistable electrochromic window  
초록 A high color contrast bistable electrochromic window (BECW) was explored by controlling the interfacial charge transport in a two-electrode electrochemcial device. In an electrochromic mirror device, control of ion diffusion was important to keep a long reflectance under OC. The ion diffusion could be controlled by introducing an electrical double layers (EDL) of ionic liquids, to show large reflectance change along with a long bistablility. In an EC window with a conjugated polymer (CP) film, the HOMO level of the EC film was important to control interfacial electron transport (IET). The self-coloration of a bleached EC film was ascribed to the interfacial dopant ion transport (IDT), which could be blocked by introducing an EDL. Combination of the low HOMO level EC films and EDL provided a low energy consumption BECW.
저자 김은경, 박치현, 신해진, Kenji Kanazawa
소속 연세대
키워드 conjugated polymers; bistability; charge transfer; smart window
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