Photosalient Effect of Diarylethene Crystals of Thiazoyl and Thienyl Derivatives

被引：48

作者：

Nakagawa, Yuma ^{[1
]}

Morimoto, Masakazu ^{[1
,2
,3
]}

Yasuda, Nobuhiro ^{[4
]}

Hyodo, Kengo ^{[1
]}

Yokojima, Satoshi ^{[5
,6
]}

Nakamura, Shinichiro ^{[6
]}

Uchida, Kingo ^{[1
,6
]}

机构：

[1] Ryukoku Univ, Fac Sci & Technol, Dept Mat Chem, Otsu, Shiga 5202194, Japan

[2] Rikkyo Univ, Dept Chem, Toshima Ku, 3-34-1 Nishi Ikebukuro, Tokyo 1718501, Japan

[3] Rikkyo Univ, Res Ctr Smart Mol, Toshima Ku, 3-34-1 Nishi Ikebukuro, Tokyo 1718501, Japan

[4] Japan Synchrotron Radiat Res Inst, 1-1-1 Kouto, Sayo, Hyogo 6795198, Japan

[5] Tokyo Univ Pharm & Life Sci, Sch Pharm, 1432-1 Horinouchi, Hachioji, Tokyo 1920392, Japan

[6] RIKEN, Cluster Sci Technol & Innovat Hub, Nakamura Lab, 2-1 Hirosawa, Wako, Saitama 3510198, Japan

来源：

CHEMISTRY-A EUROPEAN JOURNAL | 2019年 / 25卷 / 33期

基金：

日本科学技术振兴机构;

关键词：

asymmetric structures; crystal growth; diarylethenes; photochromism; photosalient effects; MOLECULAR-CRYSTALS; PHOTOCHROMISM; LIGHT;

D O I：

10.1002/chem.201900811

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The photoresponse of diarylethene crystals is found to depend on the intensity of UV light, that is, photoinduced bending is switched to photosalient phenomena by increasing the light intensity. The change in the size of the crystal unit cell upon UV irradiation is larger for asymmetric diarylethenes with thiazole and thiophene rings than that for the corresponding symmetric diarylethenes. As a result, the crystals of an asymmetric diarylethene show much more drastic photosalient effects than those of the corresponding symmetric diarylethene crystals upon UV irradiation. It is also found that the crystals of diarylethene, which have not previously been reported to exhibit a photosalient effect, show photosalient phenomena upon irradiation with strong UV light. Furthermore, the dependence of photosalient phenomena on the size and shape of the crystals is reported.

引用

页码：7874 / 7880

页数：7

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