期刊
ADVANCED FUNCTIONAL MATERIALS
卷 25, 期 22, 页码 3314-3320出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.201500745
关键词
cholesteric liquid crystals; hydrogels; interpenetrating polymer networks; photonic materials; smart materials
类别
资金
- VICI grant of The Netherlands Foundation for Scientific Research (NWO)
Stimuli-responsive materials based on interpenetrating liquid crystal-hydrogel polymer networks are fabricated. These materials consist of a cholesteric liquid crystalline network that reflects color and an interwoven poly(acrylic acid) network that provides a humidity and pH response. The volume change in the cross-linked hydrogel polymer results in a dimensional alteration in the cholesteric network as well, which, in turn, leads to a color change yielding a dual-responsive photonic material. Furthermore a patterned coating having responsive and static interpenetrating polymer network areas is produced that changes both its surface topography and color.
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