Oxidization/Reduction Process of Prussian Blue Film as Investigated by Valence-Differential Spectroscopy
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概要
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The oxidization/reduction of a Prussian blue (FeIII[FeII(CN)6]3/44.2H2O) film was investigated by valence-differential spectroscopy, which selectively extracts spectral components related to the oxidized/reduced metal. The spectroscopy results revealed weak absorption components hidden in a structureless spectrum above ${\sim}2.6$ eV. We found a significant red shift of the charge-transfer (CT) transition of an electron from the 3d t2g orbital of [FeII(CN)6] to the 3d t2g orbital of FeIII. We interpret the red shift in terms of the inhomogeneous broadening of the CT transition and selective oxidization/reduction.
- 2009-09-25
著者
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Moritomo Yutaka
Graduate School Of Pure And Applied Science University Of Tsukuba
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Kurihara Yutaro
Graduate School Of Pure And Applied Sciences University Of Tsukuba
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Nakada Fumiya
Graduated School of Pure and Applied Science, University of Tsukuba, Tsukuba, Ibaraki 305-8571, Japan
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Kamioka Hayato
Tsukuba Research Center for Interdisciplinary Materials Science (TIMS), University of Tsukuba, Tsukuba, Ibaraki 305-8571, Japan
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Moritomo Yutaka
Graduated School of Pure and Applied Science, University of Tsukuba, Tsukuba, Ibaraki 305-8571, Japan
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Kamioka Hayato
Tsukuba Research Center for Interdisciplinary Materials Science (TIMS), University of Tsukuba, Tsukuba, Ibaraki 305-8571
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