Measurements of the polarized ATR spectra for adsorbed dye layers by using a stack of thin glass plates.

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概要

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• Polarized ATR spectra have been measured for the dye layers adsorbed on stacked, thin glass plates. For the adsorbed Crystal Violet (CV) layer, the metachromasy band in the || polarized ATR spectrum is blue-shifted and intensified in comparison with that in the ⊥ polarized ATR spectrum. This is in marked contrast to the observation for the adsorbed Methylene Blue (MB) layer that the || polarized ATR spectrum is similar in shape and position to the ⊥ polarized ATR spectrum. The blue shift and the enhancement of the metachromasy band in the || polarized ATR spectrum for the adsorbed CV layer is ascribed to an optical property characteristic of the adsorbed CV layer; the adsorbed CV layer exhibits an extra electronic transition band located at the high-energy side of the metachromasy band and polarized normal to the glass plane. Two possible explanations for the occurrence of this extra band are presented.

• 公益社団法人 日本化学会の論文

著者

• Okubo Jun

  Department Of Chemistry College Of Science And Engineering Aoyama Gakuin University

• KOBAYASHI Michio

  Department of Chemistry and Biological Science, College of Science and Engineering, Aoyama Gakuin Un

• Tanizaki Yoshie

  Department Of Chemistry Nagaoka University Of Technology

• Tokunaga Hitoshi

  Department Of Neurosurgery Chiba Prefectural Sawara Hospital

• HOSHI Toshihiko

  Department of Chemistry and Biological Science, College of Science and Engineering, Aoyama Gakuin University

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