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

M. Ogawa, M. Hama, K. Kuroda

研究成果: Article

44 引用 (Scopus)

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ABSTRACT: Photochemical isomerization of azobenzenc intercalated in the Hydrophobie, 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 organoammonium-mica-azobenzene intercalation compounds were obtained by depositing a suspension of the organoammonium-micas (prepared using a toluene/methanol solution of azobcnzene) on quartz substrates. The intercalated azobenzene showed reversible photochromic reactions induced by UV and visible light irradiation. The fraction of the photochemically formed c/s-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.

元の言語English
ページ(範囲)213-220
ページ数8
ジャーナルClay Minerals
34
発行部数2
DOI
出版物ステータスPublished - 1999 1 1

ASJC Scopus subject areas

  • Geochemistry and Petrology

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