Synthesis and Photophysical Properties of a Novel Hyperbranched Fluorescence Polymer

Chin. J. Org. Chem. ›› 2011, Vol. 31 ›› Issue (01): 82-86. Previous Articles Next Articles

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新型超支化荧光聚合物的合成及光物理性质

闾新明，钱鹰

(东南大学化学化工学院南京 211189)

收稿日期:2010-02-22 修回日期:2010-07-12 发布日期:2010-08-17
通讯作者: 钱鹰 E-mail:yingqian@seu.edu.cn
基金资助:
双光子荧光材料

Synthesis and Photophysical Properties of a Novel Hyperbranched Fluorescence Polymer

LV Xin-Ming , QIAN Ying

(School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189)

Received:2010-02-22 Revised:2010-07-12 Published:2010-08-17
Contact: QIAN Ying E-mail:yingqian@seu.edu.cn

Abstract

A novel hyperbranched fluorecence polymer (HPTPA-OXD) containing triphenyamine and 1,3,4-oxadiazole was synthesized by the Wittig reaction. The structure of the polymer was characterized by IR, ¹H NMR and GPC (gel permeation chromatography). The photophysical properties including UV-vis spectra, fluorescence spectra, and fluorescence lifetime were investigated. The maximum emission wavelengths were 473, 497, 507, 522 and 547 nm in toluene, CHCl₃, THF, CH₂Cl₂ and DMF respectively, and the fluorecence lifetime were 1.24, 1.39 and 1.14 ns in THF, CH₂Cl₂ and DMF respectively. The electrochemical properties was explored by cyclic voltammetry, the HOMO and LUMO energy level of the hyperbranched fluorecence polymer HPTPA-OXDwas －4.91 and －2.44 eV, respectively. The polymer HPTPA-OXD showed decomposition temperature 440 ℃ and exhibited good thermal stabilities.

Key words: hyperbranched fluorecence polymer, Wittig reaction, fluorecence property, fluorecence lifetime, solvato-chromic effect, thermal stability, electrochemical property

Cite this article

LV Xin-Ming , QIAN Ying. Synthesis and Photophysical Properties of a Novel Hyperbranched Fluorescence Polymer[J]. Chin. J. Org. Chem., 2011, 31(01): 82-86.

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新型超支化荧光聚合物的合成及光物理性质

Synthesis and Photophysical Properties of a Novel Hyperbranched Fluorescence Polymer

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