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

被引：32

作者：

Ahn, Youshin ^{[1
,2
]}

Kim, Eunjoo ^{[1
,2
]}

Hyon, Jinho ^{[1
,2
]}

Kang, Changjoon ^{[1
,2
]}

Kang, Youngjong ^{[1
,2
]}

机构：

[1] Hanyang Univ, Dept Chem, Res Inst Nat Sci, Seoul 133791, South Korea

[2] Hanyang Univ, Inst Nano Sci & Technol, Seoul 133791, South Korea

来源：

ADVANCED MATERIALS | 2012年 / 24卷 / 23期

基金：

新加坡国家研究基金会;

关键词：

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

D O I：

10.1002/adma.201103767

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：OP127 / OP130

页数：4

共 53 条

[1] From colour fingerprinting to the control of photoluminescence in elastic photonic crystals [J].