期刊
JOURNAL OF MOLECULAR STRUCTURE
卷 1196, 期 -, 页码 439-443出版社
ELSEVIER
DOI: 10.1016/j.molstruc.2019.06.106
关键词
Nonlinear optical; Chromophore; benzo[b]furan; Electro-optic; Optical materials
资金
- National Natural Science Foundation of China [21805019]
- Key Project of of Sichuan Provincial Education Department [18ZA0078]
- Scientific Research Innovation Team of Sichuan Provincial Education Department [17TD0005]
- Applied Basic Research Project of Sichuan Province, China [2016JY0186, 18YYJC1026]
Novel nonlinear optical (NLO) chromophore using benzo[b]furan moiety and trifluoromethyl-substituted tricyanofuran as the electron donor and acceptor respectively was designed and prepared. The structure of the novel chromophore was determined by NMR spectra, and the photophysical properties were studied via UV-vis spectra. The thermal decomposition temperature (T-d)value of the obtained NLO chromophore reached to 212 degrees C, which endow the chromophore with good thermal stability during the materials processing. The nonlinearity of the chromophore was evaluated through theoretical calculation and electro-optic (K) activity test, and the highest EO coefficient (r(33)) was determined to 28 pm/V at the loading density of 25 wt% in polymethyl methacrylate. (C) 2019 Elsevier B.V. All rights reserved.
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