Variation of electron-donating ability of smectites as probed by photoreduction of methyl viologen

被引：43

作者：

Kakegawa, N

Kondo, T

Ogawa, M

机构：

[1] Waseda Univ, Dept Earth Sci, Shinjuku Ku, Tokyo 1698050, Japan

[2] Waseda Univ, Grad Sch Sci & Engn, Shinjuku Ku, Tokyo 1698050, Japan

来源：

LANGMUIR | 2003年 / 19卷 / 09期

关键词：

D O I：

10.1021/la020763v

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The preparation of methyl viologen-smectite (synthetic saponite, Sumecton SA; synthetic hectorite, Laponite XLG; and natural montmorillonite, Kunipia F) intercalation compounds and the photoinduced electron transfer from smectite to methyl viologen were investigated. UV-vis and electron spin resonance spectra revealed that the methyl viologen intercalated in Sumecton SA and Laponite were photoionized by UV irradiation while photochemical reduction of methyl viologen did not occur in the interlayer space of Kunipia F, indicating that Surnecton SA and Laponite acted as electron donors.

引用

页码：3578 / 3582

页数：5

共 49 条

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