Two-photon photochromism of diarylethene dimer derivatives

被引：50

作者：

Saita, S ^{[1
]}

Yamaguchi, T ^{[1
]}

Kawai, T ^{[1
]}

Irie, M ^{[1
]}

机构：

[1] Kyushu Univ, Grad Sch Engn, Dept Chem & Biochem, Higashi Ku, Fukuoka 8128581, Japan

来源：

CHEMPHYSCHEM | 2005年 / 6卷 / 11期

关键词：

cyclization; diarylethenes; nonlinear optics; photochromism; two-photon absorption;

D O I：

10.1002/cphc.200500254

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Photochromic diarylethene dimer derivatives with large two-photon absorption (TPA) cross-sections have been designed and synthesized. The derivatives have a D-pi-D structure in which indole rings are used as donor units (D) and 1,4-bis-(ethynyl)benzene or 1,4-bis(ethenyl)benzene as a pi-conjugated chain unit (pi). Compound 5a, which has oxazole rings as one of the aryl groups, showed a TPA cross-section of 23 GM at 820 nm and exhibited efficient two-photon photochromic reactivity.

引用

页码：2300 / 2306

页数：7

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