期刊
LANGMUIR
卷 26, 期 23, 页码 18508-18511出版社
AMER CHEMICAL SOC
DOI: 10.1021/la1037537
关键词
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资金
- National Basic Research Program of China [2010CB934700]
- National Natural Science Foundation of China [50873074, 51073115, 51003072, 51011140072]
- Natural Science Foundation of Tianjin City [10JCZDJC22400]
An enhanced photoinduced reversible switching of graphene oxide-azobenzene (GO-AZO) hybrid was investigated as a highly sensitive photoswitch. The internal short-range ordered crystalline structure of GO-AZO hybrid was advantageous to charge transfer. The AZO moieties on GO underwent a rapid trans-cis photoisomerization upon ultraviolet irradiation due to the electron interaction between AZO and GO. The GO-AZO hybrid film showed an enhanced reversible photoswitching performance with high on/off ratio of 8 and fast response time less than 500 ms. The high sensitivity or GO-AZO switch arises from the intramolecular donor-acceptor architecture with efficient charge transfer.
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