A TCBD-based AB2-type second-order nonlinear optical hyperbranched polymer prepared by a facile click-type postfunctionalization

Xiaobo Zang; Hongtao Liu; Qianqian Li; Zhong'an Li; Zhen Li

doi:10.1039/D0PY00970A

A TCBD-based AB₂-type second-order nonlinear optical hyperbranched polymer prepared by a facile click-type postfunctionalization†

Xiaobo Zang,^ab Hongtao Liu,^a Qianqian Li,

^c Zhong'an Li

*^ab and Zhen Li

*^cd

Author affiliations

* Corresponding authors

^a Key Laboratory for Material Chemistry of Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, P. R. China
E-mail: lizha@hust.edu.cn

^b Shenzhen Huazhong University of Science and Technology Research Institute, Shenzhen 518000, P. R. China

^c Department of Chemistry, Sauvage Center for Molecular Sciences, Wuhan University, Wuhan, P. R. China
E-mail: lizhen@whu.edu.cn

^d Institute of Molecular Aggregation Science, Tianjin University, Tianjin 300072, P. R. China

Abstract

So far, second-order nonlinear optical (NLO) hyperbranched polymers have been widely reported; however, introduction of highly polarizable NLO chromophores into them remains a challenge. In this work, we have successfully prepared a tetracyanobutadienyl (TCBD)-based AB₂-type hyperbranched polymer HP3 by integrating double click-type postfunctionalization reactions including Cu(I)-catalyzed Huisgen's 1,3-dipolar cycloaddition and alkyne-TCNE [2 + 2] cycloaddition. The NLO property of HP3 was carefully studied based on the second-harmonic generation (SHG) measurement, showing a SHG coefficient of 55.6 pm V⁻¹ and good alignment stability with a depoling temperature of 125 °C.

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Article information

DOI: https://doi.org/10.1039/D0PY00970A
Article type: Paper
Submitted: 06 Jul 2020
Accepted: 21 Jul 2020
First published: 24 Jul 2020

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Polym. Chem., 2020,11, 5493-5499

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A TCBD-based AB₂-type second-order nonlinear optical hyperbranched polymer prepared by a facile click-type postfunctionalization

X. Zang, H. Liu, Q. Li, Z. Li and Z. Li, Polym. Chem., 2020, 11, 5493 DOI: 10.1039/D0PY00970A

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Polymer Chemistry

A TCBD-based AB₂-type second-order nonlinear optical hyperbranched polymer prepared by a facile click-type postfunctionalization†

Abstract

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A TCBD-based AB₂-type second-order nonlinear optical hyperbranched polymer prepared by a facile click-type postfunctionalization

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Polymer Chemistry