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Reflection Spectroscopy of Merocyanine Self-assembled Monolayer on a Gold Substrate

 

作者: K. Tsuboi,   K. Kajikawa,   N. Hamada,   K. Fujita,   M. Hara,   H. Sasabe,   W. Knoll,   K. Seki,   Y. Ouchi,  

 

期刊: Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals  （Taylor Available online 1998）
卷期: Volume 322, issue 1  

页码: 191-196

 

ISSN:1058-725X

 

年代: 1998

 

DOI:10.1080/10587259808030222

 

出版商: Taylor & Francis Group

 

关键词: self-assembled monolayer;solvatochromism;merocyanine

 

数据来源: Taylor

 

摘要:

Isomerization of merocyanine chromophores in a self-assembled monolayer (SAM) on a gold substrate was examined by means of visible-UV reflection spectroscopy. Anomalous peaks and/or dips observed in the spectra were ascribed to the loss of the metallic character of gold at the wavelength region shorter than 500nm. Spectral simulations based on the Lorentz oscillator model revealed that the merocyanine SAM undergoes isomerization even in a densely packed monolayer.

 

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