Photoresponsive Block Copolymer Photonic Gels with Widely Tunable Photosensitivity by Counter-Ions

Ahn, Youshin; Kim, Eunjoo; Hyon, Jinho; Kang, Changjoon; Kang, Youngjong

doi:10.1002/adma.201103767

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Photoresponsive Block Copolymer Photonic Gels with Widely Tunable Photosensitivity by Counter-Ions

Ahn, Youshin;
Kim, Eunjoo;
Hyon, Jinho;
Kang, Changjoon;
Kang, Youngjong

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32

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31

초록

Block copolymer photonic crystals comprising polyelectrolyte hydrogels exhibit strong reflective multicolors in response to near-UV radiation. Due to unique volume transition of swollen gels, the photonic gels show high photosensitivity, and which can be widely tunable by exchanging counter-anions. Multicolor photonic patterns created by photolithography can be repeatedly fixated and reactivated by sequentially exchanging counter-anions with different photosensitivity.

키워드

photonic crystals; hydrogels; photocrosslinking; counter-ions; tunable photosensitivity; CROSS-LINKING; POLYELECTROLYTE MULTILAYERS; PHASE-TRANSITION; PH SENSORS; CRYSTALS; FILMS; RESONANCE; HYDROGELS; PHENOL; OPALS

제목: Photoresponsive Block Copolymer Photonic Gels with Widely Tunable Photosensitivity by Counter-Ions

저자: Ahn, Youshin; Kim, Eunjoo; Hyon, Jinho; Kang, Changjoon; Kang, Youngjong

DOI: 10.1002/adma.201103767

발행일: 2012-06

유형: Article

저널명: Advanced Materials

권: 24

호: 23

페이지: OP127 ~ OP130