A Photo-Responsive Organogel Based on Pyrene-Substituted Acylhydrazone Derivative

被引：8

作者：

Chai, Qing ^{[1
]}

Wei, Jue ^{[1
]}

Bai, Binglian ^{[1
]}

Wang, Haitao ^{[2
]}

Li, Min ^{[2
]}

机构：

[1] Jilin Univ, Coll Phys, Minist Educ, Key Lab Coherent Light & Atom & Mol Spect, Changchun 130012, Jilin, Peoples R China

[2] Jilin Univ, Coll Mat Sci & Engn, Key Lab Automobile Mat JLU, Minist Educ, Changchun 130012, Jilin, Peoples R China

来源：

CHINESE JOURNAL OF CHEMISTRY | 2017年 / 35卷 / 12期

关键词：

pyrene; organogel; fluorescence; fiber; photoisomerization; E-Z ISOMERIZATION; ANTHRACENE PHOTODIMERIZATION; DYNAMICS; FIBER; GELS;

D O I：

10.1002/cjoc.201700388

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new simple pyrene-substituted acylhydrazone derivative, 4-(3,4-dioctyloxy) phenyl-1-pyrene acylhydrazone (PAH-8), was designed and synthesized. The PAH-8 can form thermo-reversible organogel in DMSO, and shows gelation-induced enhanced fluorescence emission. Xerogel exhibits ribbon-like fibrous aggregates with widths of 0.5-1 m. The PAH-8 organogel indicates photo-responsive behaviors due to the trans-cis isomerizations of -C=N- bond upon exposure to visible or UV light. Upon visible light irradiation, the partial trans-cis isomerization of the -C=N- bond causes the fiber morphology to disappear, resulting in gel-sol transition, whereas the PAH-8 organogel exhibits few photoisomerizations from trans to cis transition without breakage of the gel state upon UV light irradiation.

引用

页码：1829 / 1834

页数：6

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