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Photoreduction Of Methylviologen In The Interlayers Of Some Layered Titanates And Niobates

Published online by Cambridge University Press:  15 February 2011

Teruyuki Nakato ,
Yoshiyuki Sugahara ,
Kazuyuki kuroda  and
Chuzo Kato
Teruyuki Nakato
Affiliation:
Department of Applied Chemistry, Waseda University, Ohkubo-3, Shinjuku-ku, Tokyo 169, Japan
Yoshiyuki Sugahara
Affiliation:
Department of Applied Chemistry, Waseda University, Ohkubo-3, Shinjuku-ku, Tokyo 169, Japan
Kazuyuki kuroda
Affiliation:
Department of Applied Chemistry, Waseda University, Ohkubo-3, Shinjuku-ku, Tokyo 169, Japan
Chuzo Kato
Affiliation:
Department of Applied Chemistry, Waseda University, Ohkubo-3, Shinjuku-ku, Tokyo 169, Japan
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Abstract

Methylviologen dication was intercalated to some layered semiconducting oxides, and the photoinduced electron transfer between the hosts and the guest was investigated. K4 Nb6O17, H2 Ti4O9, and HTiNbO5 were used as the layered oxides. The arrangements of methylviologen in the interlayers were deduced from the XRD results. UV irradiation of the intercalation compounds caused electron transfer from the hosts to the guest to form methylviologen radical cations. The radical cations were stable within a few minutes even in the presence of oxygen, and the decaying rates altered with the hosts. The difference was discussed on the basis of the structure of the intercalation compounds.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 233: Symposium U – Synthesis/Characterization and Novel Applications of Molecular Sieve Materials , 1991 , 169
Copyright
Copyright © Materials Research Society 1991

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References

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