Photocatalytic conversion of methane and carbon dioxide over gallium oxide

被引：122

作者：

Yuliati, Leny ^{[1
]}

Itoh, Hideaki ^{[2
]}

Yoshida, Hisao ^{[1
]}

机构：

[1] Nagoya Univ, Grad Sch Engn, Dept Appl Chem, Nagoya, Aichi 4648603, Japan

[2] Nagoya Univ, EcoTopia Sci Inst, Div Environm Res, Nagoya, Aichi 4648603, Japan

来源：

CHEMICAL PHYSICS LETTERS | 2008年 / 452卷 / 1-3期

关键词：

D O I：

10.1016/j.cplett.2007.12.051

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Methane is photocatalytically converted to mainly ethane and hydrogen over gallium oxide at room temperature and also at higher temperatures. On the other hand, in the presence of carbon dioxide, although only hydrocarbons and hydrogen were formed on gallium oxide photocatalyst at room temperature, CO was additionally produced photocatalytically at mild temperatures such as 473 K. The additional thermal energy was suggested to enhance the reaction between methane and carbon dioxide by promoting the thermally activation steps in reaction mechanism, such as desorption of the products or electron migration from the bulk to the surface of Ga2O3. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：178 / 182

页数：5

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