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학술지 Photo-Cured Polymeric Insulating Materials Having High-Performance Electrical Properties
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저자
김기현, 윤성민, 김철암, 서경수
발행일
200902
출처
Molecular Crystals and Liquid Crystals, v.499 no.알수없음, pp.193-204
ISSN
1542-1406
출판사
Taylor & Francis
DOI
https://dx.doi.org/10.1080/15421400802619826
협약과제
07MB1600, Flexible 디스플레이, 조경익
초록
Chemically and thermally stable, durable, photosensitive polymeric insulating materials are in great demand for fabrication of electronic devices. In this study, we have synthesized photosensitive polymers by mixing a host polymer and photosensitizer, and explored their chemical and electrical properties. Uniform, chemically stable, mechanically flexible pinhole-free films can be formed by spin-coating, baking and photolithography at a relatively low temperature (150C); these films are clearly defined by photolithography technique. Their electrical properties showed excellent electrical performance as insulators which depend on chemical structure of a host polymer used and photosensitizer (DAST) concentration. In particular, the insulating property was improved after photo-cross-linking reaction, which is adequate for plastic-based electronic devices such as organic thin-film transistor and flexible display.
키워드
Electrical properties, Photosensitivity, Polymer insulator