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New second-order nonlinear optical polymers containing the same isolation groups: Optimized syntheses and nonlinear optical properties by Zhong'an Li; Gui Yu; Zhen Li; Yunqi Liu; Cheng Ye; Jingui Qin is a Materials Science article available to read on EtoBox.

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Based on control experiments, a new series of second-order nonlinear optical polymers with fluorene moieties as isolation spacers were successfully prepared. In the polymers, the chromophore moieties were embedded into the polymer backbone with one position at the donor side, and another point in the p bridge. Different acceptors were used to construct the pushepull structure of chromophore moieties, including nitro groups, sulfonyl groups, 3-phenyl-5-isoxazolone, 1,3-diethylthiobarbituric acid and TCF groups. The tested NLO properties of the polymers demonstrated that the isolation groups with big size do not always benefit the resultant NLO effect. Also, for different acceptors, there should be different suitable isolation groups to balance the good and bad effects caused by the introduced isolation spacers.

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Author

Zhong'an Li; Gui Yu; Zhen Li; Yunqi Liu; Cheng Ye; Jingui Qin

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0032-3861)

Published

2008

Language

EN

Field

Materials Science (Physical Sciences)