期刊
ADVANCED MATERIALS
卷 27, 期 41, 页码 6469-+出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201503424
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资金
- National Natural Science Foundation of China [21174005]
- National Basic Research Program of China [2011CB933300]
A rhodamine-based molecule, Rh-OH, is synthesized. Rh-OH exhibits a reversible mechanochromic luminescent character but a passivating response to UV light. An elastomeric polymer film based on polyurethane with embedded Rh-OH is prepared via a polycondensation reaction. The film shows mechanochromic and photochromic properties with reversible color change, which originates from the isomerization of the Rh-OH molecule from a twisted spirolactam in the ring-closed form to a planarized zwitterionic structure in the ring-open state.
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