Nonlinear optical and optical limiting properties of polymeric carboxyl phthalocyanine coordinated with rare earth atom

被引：40

作者：

Zhao, Peng ^{[1
]}

Wang, Zonghua ^{[1
]}

Chen, Jishi ^{[1
]}

Zhou, Yu ^{[1
]}

Zhang, Fushi ^{[2
]}

机构：

[1] Qingdao Univ, Shandong Sinojapanese Ctr Collaborat Res Carbon, Collaborat Innovat Ctr Marine Biomass Fiber,Growi, Coll Chem & Chem Engn,Lab Fiber Mat & Modern Text, Qingdao 266071, Peoples R China

[2] Tsinghua Univ, Dept Chem, Minist Educ, Key Lab Organ Photoelect & Mol Engn, Beijing 100084, Peoples R China

来源：

OPTICAL MATERIALS | 2017年 / 66卷

基金：

中国国家自然科学基金;

关键词：

Phthalocyanine; Polymeric; Nonlinear optical; Z-scan; Rare earth element; Optical limiting; ABSORPTION; COMPLEXES; PHOTOPHYSICS; SINGLET;

D O I：

10.1016/j.optmat.2017.01.029

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The nonlinear optical properties of the polymeric carboxyl phthalocyanine with lanthanum (LaPPc.-COOH), holmium (HoPPc.COOH) and ytterbium (YbPPc.COOH) as centric atom, were investigated by the Z-scan method using a picosecond 532 nm laser. The synthesized phthalocyanines had steric polymeric structure and dissolved well in aqueous solution. The nonlinear optical response of them was attributed to the reverse saturable absorption and self-focus refraction. The nonlinear absorption properties decreased with the centric atoms changing from La, Ho to Yb. The largest second-order hyperpolarizability and optical limiting response threshold of LaPPc.COOH were 3.89 x 10(-29) esu and 0.32 J/cm(2), respectively. The reverse saturable absorption was explained by a three level mode of singlet excited state under the picosecond irradiation. The result indicates the steric structure presented additive stability of these polymeric phthalocyanines for their application as potential optical limiting materials. (c) 2017 Elsevier B.V. All rights reserved.

引用

页码：98 / 105

页数：8

共 40 条

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