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侧链含有芳族偶氮偶联钴酞菁的聚亚芳基醚：合成、表征及非线性光学和光限幅性能

Poly(arylene ether)s with aromatic azo-coupled cobalt phthalocyanines in the side chain: synthesis, characterization and nonlinear optical and optical limiting properties.

作者信息

Zhang Yuxuan, Gai Saisai, Wang Zhonghui, Wang Shuang, Sui An, Song Xi-Ming

机构信息

Liaoning Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials, College of Chemistry, Liaoning University Shenyang 110036 China

出版信息

RSC Adv. 2019 Mar 21;9(16):9253-9259. doi: 10.1039/c8ra07661h. eCollection 2019 Mar 15.

DOI:10.1039/c8ra07661h
PMID:35517665
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9062055/
Abstract

A novel poly(arylene ether) with azo-coupled cobalt phthalocyanine in the side chain (PAE-azo-CoPc) was prepared by 1,2-benzodinitrile, anhydrous cobaltous chloride and a novel azobenzene-containing poly(aryl ether) (PAE-azo-DCN) a nucleophilic substitution polycondensation based on a novel bisfluoro monomer, 4-[(3,4-cyanophenyl)diazenyl]phenyl-2,6-difluorobenzoate. The obtained polymers were characterized and evaluated by FT-IR, H NMR, DSC and TGA. PAE-azo-CoPc exhibited higher glass transition temperature and better thermal stability than PAE-azo-DCN because of the introduction of cobalt phthalocyanine groups. The results of Z-scan measurements demonstrated that PAE-azo-CoPc showed reversible saturable absorption and positive refraction, and PAE-azo-DCN showed saturable absorption and negative refraction. By calculation, PAE-azo-CoPc exhibited larger third-order nonlinear optical susceptibilities than that of PAE-azo-DCN. The results of optical limiting measurements demonstrated that the PAE-azo-CoPc exhibited an excellent optical limiting response.

摘要

通过1,2 - 苯二腈、无水氯化钴和一种新型含偶氮苯的聚芳醚（PAE - azo - DCN）——基于新型双氟单体4 - [(3,4 - 氰基苯基)重氮基]苯基 - 2,6 - 二氟苯甲酸酯的亲核取代缩聚反应，制备了一种侧链带有偶氮偶联钴酞菁的新型聚芳醚（PAE - azo - CoPc）。通过傅里叶变换红外光谱（FT - IR）、核磁共振氢谱（¹H NMR）、差示扫描量热法（DSC）和热重分析法（TGA）对所得聚合物进行了表征和评估。由于引入了钴酞菁基团，PAE - azo - CoPc表现出比PAE - azo - DCN更高的玻璃化转变温度和更好的热稳定性。Z - 扫描测量结果表明，PAE - azo - CoPc表现出可逆饱和吸收和正折射，而PAE - azo - DCN表现出饱和吸收和负折射。通过计算，PAE - azo - CoPc表现出比PAE - azo - DCN更大的三阶非线性光学极化率。光限幅测量结果表明，PAE - azo - CoPc表现出优异的光限幅响应。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1090/9062055/33afdfb4b5e8/c8ra07661h-f10.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1090/9062055/33afdfb4b5e8/c8ra07661h-f10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1090/9062055/ddd501254db4/c8ra07661h-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1090/9062055/e6527250b255/c8ra07661h-f1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1090/9062055/adcb4712623c/c8ra07661h-s2.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1090/9062055/a3b7a8952a3a/c8ra07661h-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1090/9062055/66d76e7c5d49/c8ra07661h-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1090/9062055/40e7a80ed787/c8ra07661h-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1090/9062055/b334a6049cd9/c8ra07661h-f7.jpg
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本文引用的文献

1
Photoresponsive J-aggregation behavior of a novel azobenzene-phthalocyanine dyad and its third-order optical nonlinearity.一种新型偶氮苯-酞菁二元体系的光响应J-聚集行为及其三阶光学非线性
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Axially modified gallium phthalocyanines and naphthalocyanines for optical limiting.用于光学限幅的轴向修饰酞菁镓和酞菁萘
Chem Soc Rev. 2005 Jun;34(6):517-29. doi: 10.1039/b416368k.