Franz–Keldysh oscillation in the interband absorption spectrum of one-dimensional bis(dimethylglyoximato)platinum(II) complex

The electronic structure of a one-dimensional metal complex, bis(dimethylglyoximato)platinum(II), was investigated by measurements of photoconductivity and electroabsorption (EA). The EA spectrum exhibited a large oscillatory signal just above the excitonic absorption band. The position of the oscil...

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Published inChemical physics letters Vol. 302; no. 5; pp. 609 - 614
Main Authors Yamamoto, Kaoru, Kamata, Toshihide, Iwai, Shinichiro, Kazaoui, Said, Minami, Nobutsugu, Mizukami, Fujio, Misawa, Kazuhiko, Ohta, Toshiaki, Kobayashi, Takayoshi
Format Journal Article
LanguageEnglish
Published Elsevier B.V 26.03.1999
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Summary:The electronic structure of a one-dimensional metal complex, bis(dimethylglyoximato)platinum(II), was investigated by measurements of photoconductivity and electroabsorption (EA). The EA spectrum exhibited a large oscillatory signal just above the excitonic absorption band. The position of the oscillatory EA signal was located near the onset of the photoconductivity, and the oscillation profile showed field-dependent broadening. These features can be explained as the characteristics of the Franz–Keldysh (FK) effect. The oscillatory EA signal is reproducible by a numerical calculation of the FK effect, in which the effect of the one-dimensionality of this electronic system is taken into account.
ISSN:0009-2614
1873-4448
DOI:10.1016/S0009-2614(99)00151-7