Photochromism of azobenzene in the hydrophobic interlayer spaces of dialkyldimethylammonium-fluor-tetrasilicic mica films

被引：42

作者：

Ogawa, M

Hama, M

Kuroda, K

机构：

[1] Japan Sci & Technol Corp, PRESTO, Shinjuku Ku, Tokyo 1698050, Japan

[2] Waseda Univ, Inst Earth Sci, Shinjuku Ku, Tokyo 1698050, Japan

[3] Waseda Univ, Dept Appl Chem, Shinjuku Ku, Tokyo 1698555, Japan

[4] Waseda Univ, Kagami Mem Lab Mat Sci & Technol, Shinjuku Ku, Tokyo 1690051, Japan

来源：

CLAY MINERALS | 1999年 / 34卷 / 02期

关键词：

D O I：

10.1180/000985599546127

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：

Photochemical isomerization of azobenzene intercalated in the hydrophobic, interlayer spaces of swelling fluor-tetrasilicic micas exchanged with dialkyldimethylammonium ions, with the alkyl chain length from 10 to 18, was investigated. Thin films of the organo ammonium-mica-azobenzene intercalation compounds were obtained by depositing a suspension of the organoammonium-micas (prepared using a toluene/methanol solution of azobenzene) on quartz substrates. The intercalated azobenzene showed reversible photochromic reactions induced by UV and visible light irradiation. The fraction of the photochemically formed cis-isomer in the photostationary states decreased with a decrease in temperature. The observed change in the photochemical reactions is thought to reflect changes in the states of the dialkyldimethylammonium ions in the interlayer space of the swelling fluor-tetrasilicic mica.

引用

页码：213 / 220

页数：8

共 33 条

[1] INTERACTION OF SMECTITES WITH ORGANIC PHOTOCHROMIC COMPOUNDS [J].