期刊
OPTICAL MATERIALS
卷 57, 期 -, 页码 63-70出版社
ELSEVIER
DOI: 10.1016/j.optmat.2016.04.011
关键词
Optical materials; Electro-optical modulators; Optical properties; Thermal properties; Glass transitions
资金
- National Natural Science Foundation of China [51503215]
Novel crosslinkable organic linear electro-optical (EO) material based on polyarylene ether as the main chain host polymer was designed and prepared. The host polymer with rigid aromatic has demonstrated a good compatibility with the guest chromophore. Long side chain with anthracene ensured the cross-linkable reaction and appropriate glass transition temperature of the host polymer (55 degrees C). The EO r(33) tensor coefficient for this novel EO material has been magnitude of 66 pm/V at 1310 nm and the excellent long term stability at 85 degrees C. These parameters permit to consider their application in fabrication of organic electro optical devices. The semi-empirical and DFT quantum chemical simulations were performed for 4 principal chromophores to clarify a role of cross-linker in the enhancement of the ground state dipole moments and effective hyperpolarizabilities. (C) 2016 Elsevier B.V. All rights reserved.
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