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Photoresponsive Block Copolymer Photonic Gels with Widely Tunable Photosensitivity by Counter-Ions
- Issue Date
- Jun-2012
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- photonic crystals; hydrogels; photocrosslinking; counter-ions; tunable photosensitivity
- Citation
- ADVANCED MATERIALS, v.24, no.23, pp.OP127 - OP130
- Indexed
- SCIE
SCOPUS
- Journal Title
- ADVANCED MATERIALS
- Volume
- 24
- Number
- 23
- Start Page
- OP127
- End Page
- OP130
- ISSN
- 0935-9648
- Abstract
- 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.
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Related Researcher
- Kang, Young Jong
- COLLEGE OF NATURAL SCIENCES (DEPARTMENT OF CHEMISTRY)