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李振, Qianqian Li, † Changgui Lu, ‡ Jing Zhu, ‡ Enqin Fu, † Cheng Zhong, † Suyue Li, † Yiping Cui, *, ‡ Jingui Qin, † and Zhen Li*, †
J. Phys. Chem. B 2008, 112, 4545-4551,-0001,():
-1年11月30日
A series of nonlinear optical (NLO) chromophores were successfully prepared, in which pyrrole moieties were the conjugated bridge. In comparison with their analogues containing furan or thiophene groups as the bridge, these chromophores demonstrated similar or enhanced NLO effects (up to 3.3 times) and interesting optical behavior. While the acceptor groups were malononitrile (Mal), 3-phenyl-5-isoxazolone (Iso), and 1,3-diethylthiobarbituric acid (Bar), the chromophores exhibited much blue-shifted maximum absorption wavelengths (ìmax) (up to 36 nm); however, the ìmax of the chromophore containing tricyanovinyldihydrofuran (TCF) as acceptor became much longer than that of the analogue (up to 75 nm).
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李振, Qianqian Li, † Zhen Li, *, † Fanxin Zeng, † Wei Gong, † Zhong'an Li, † Zhichao Zhu, † Qi Zeng, † Shanshan Yu, † Cheng Ye, ‡ and Jingui Qin*, †
J. Phys. Chem. B 2007, 111, 508-514,-0001,():
-1年11月30日
For the first time, the indole-based NLO chromophores were embedded into the polymer main chain, and different isolation groups were attached to their donor side with the efforts of adjusting the NLO properties of the resultant main-chain polyurethanes, according to the site isolation principle. Thanks to the main-chain structure and the advantages of the indole-based chromophores, all the polymers show excellent transparency, good processability, thermal stability, and relatively good NLO effects. The tested NLO properties of the polymers demonstrate that there is a suitable isolation group present for the sulfonyl-based chromophore to boost its microscopic â value to a possibly higher macroscopic NLO property efficiently.
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李振, Wei Gong, † Qianqian Li, † Zhen Li, *, † Changgui Lu, ‡ Jing Zhu, ‡ Sueyue Li, † Junwei Yang, † Yiping Cui, ‡ and Jingui Qin*, †
J. Phys. Chem. B 2006, 110, 10241-10247,-0001,():
-1年11月30日
XPush-pull indole-containing nonlinear optical chromophores with different acceptor and ð-conjugated moieties have been synthesized and characterized. Experimental measurements of the second-order nonlinear optical response demonstrated that the chromophores exhibit similar or superior optical nonlinearity compared with their analogues with an aniline moiety as the donor group, but the indole-based chromophores display blueshifted absorption, even up to 30 nm.
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李振, Qi Zeng, † Zhong'an Li, † Zhen Li, *, † Cheng Ye, ‡ Jingui Qin, † and Ben Zhong Tang*, §
Macromolecules 2007, 40, 5634-5637,-0001,():
-1年11月30日
Department of Chemistry, Hubei Key Lab on Organic and Polymeric Opto-Electronic Materials, Wuhan UniVersity, Wuhan 430072, China, Organic Solids Laboratories, Institute of Chemistry, The Chinese Academy of Sciences, Beijing 100080, China, and Department of Chemistry, The Hong Kong UniVersity of Science & Technology, Clear Water Bay, Kowloon, Hong Kong
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李振, Zhong’an Li, † Qi Zeng, † Zhen Li, *, † Shoucheng Dong, † Zhichao Zhu, † Qianqian Li, † Cheng Ye, ‡ Chong’an Di, ‡ Yunqi Liu, ‡ and Jingui Qin*, †
Macromolecules 2006, 39, 8544-8546,-0001,():
-1年11月30日
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