Absorption Spectra of Unsymmetrical Cyanines
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概要
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The absorption maximum of an unsymmetrical cyanine with two different end nuclei is generally of the shorter wave length than a mean value of absorption maxima of two symmetrical cyanines with the respective nuclei. Two different simple models are found for describing this fact. The first is a modification of the free-electron model which is based on an assumption that the influence of end nuclei on the π electrons in the conjugated chain can be represented by the Poschl-Teller potential. The second is the Herzfeld-Sklar model which is based on the consideration of the interaction between various chemical states of cyanine ions. Both the models can fairly reproduce the observed fact.
- 理論物理学刊行会の論文
著者
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Araki Gentaro
Faculty Of Engineering Kyoto Univeristy
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Huzinaga Sigeru
Faculty Of Engineering Kyoto University
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