Synthesis and third-order optical nonlinearities of hyperbranched metal phthalocyanines

被引：23

作者：

Chen, Xiaonan ^{[1
]}

Zhang, Jiliang ^{[1
]}

Wei, WeiWei ^{[1
]}

Jiang, Zhenhua ^{[1
]}

Zhang, Yunhe ^{[1
]}

机构：

[1] Jilin Univ, Coll Chem, Alan G MacDiarmid Lab, Changchun 130012, Peoples R China

来源：

EUROPEAN POLYMER JOURNAL | 2014年 / 53卷

基金：

美国国家科学基金会;

关键词：

Hyperbranched metal phthalocyanines; Synthesis; Third-order optical nonlinearity; Molecular cubic hyperpolarizabilities; POLY(ARYL ETHER KETONE)S; DIELECTRIC-PROPERTIES; SUBSTITUTED PHTHALOCYANINES; ORGANIC MATERIALS; MICROSTRUCTURE; COMPOSITES;

D O I：

10.1016/j.eurpolymj.2014.01.022

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A series of novel organic hyperbranched metal phthalocyanines (HMePcs) oligomers were synthesized for investigating their third-order nonlinear optical (NLO) properties. The third-order NLO coefficient was measured by Z-scan technique with a pulsed Q-switched Nd:YAG nanosecond laser at 532 nm. The HMePcs showed large molecular cubic hyperpolarizabilities (gamma) whose values were of the order of 10(-29) esu. The variation of substituent groups of and center metal of HMePcs influenced the third-order optical nonlinearity. The presence of electron-withdrawing substituents-fluoro in the phthalocyanine brings about a noticeable improvement of the third-order nonlinear susceptibility chi((3)) in these systems and the third-order nonlinear susceptibility chi((3)) values of different metal hyperbranched metal (Cu, Ni, Co) phthalocanines oligomers were found to decrease in the order HCuPc > HNiPc > HCoPc. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：58 / 64

页数：7

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