Observation of Photochromic Reactions in Spiropyran Monolayers by Surface Potential Measurement
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概要
- 論文の詳細を見る
The monolayer films of photochromic spiropyran have been investigated by means of surface potential and optical absorption measurements. We found that UV light irradiation isomerises the spiropyran chromophore to zwitterionic photomerocyanine at the air-water interface and induces not only an optical absorption increase but a surface potential(?V) increase of about 500 mV. The thermal reversion process was also observed, using these techniques, to be fairly slow in the dark. In the ?V-A (area) isotherm of the photomerocyanine monolayer, there exist three regions. In two of them, no detectable surface pressure is observed, while ?V changes. The change in ?V in the other region is mutually related to the surface pressure change and is caused by molecular orientational change
- 社団法人応用物理学会の論文
- 1992-04-15
著者
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Takahashi Yoshihiro
Department Of Applied Physics School Of Engineering Tohoku University
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梶川 浩太郎
東工大・工
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Takezoe Hideo
Department Of Organic And Polymeric Materials Tokyo Institute Of Technology
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Fukuda Atsuo
Department Of Electronic And Electrical Engineering Trinity College University Of Dublin
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Takahashi Y
Tanaka Solid Junction Project Erato Japan Science And Research Corporation
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Fukuda Asuo
Department Of Kansei Engineering Faculty Of Textile Science And Technology Shinshu University
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Kajikawa Kotaro
Department Of Information Processing Interdisciplinary Graduate School Of Science And Engineering To
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Takahashi Y
Department Of Molecular & Materials Sciences Kyushu University
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YAMAGUCHl Takashi
Department of Organic and Polymeric Materials, Tokyo Institute of Technology
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