期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 55, 期 42, 页码 13001-13004出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201604359
关键词
layer-by-layer assembly; polyelectrolytes; stimuli-responsive materials; TiO2; water splitting
资金
- Deutsche Forschungsgemeinschaft through the Leibniz prize
We introduce a simple concept of a light induced pH change, followed by high amplitude manipulation of the mechanical properties of an adjacent polymer film. Irradiation of a titania surface is known to cause water splitting, and this can be used to reduce the environmental pH to pH 4. The mechanical modulus of an adjacent pH sensitive polymer film can thus be changed by more than an order of magnitude. The changes can be localized, maintained for hours and repeated without material destruction.
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