期刊
POLYHEDRON
卷 58, 期 -, 页码 53-59出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.poly.2012.07.099
关键词
Manganese oxide; Chromium hollandite; Hydrothermal synthesis
资金
- Keck Foundation
The synthesis of a tunneled hollandite-type manganese oxide with interstitial and framework Cr3+ is described. This unique material is prepared from a layered buserite precursor under conditions previously believed to only yield todorokite-type manganese oxides with larger tunnels. The influence of Cr3+ in promoting the hollandite structure has been investigated by selectively placing the cation either in interstitial or framework sites. The use of framework Cr3+ in combination with other interstitial cations generates related hollandite and todorokite derivatives. Catalytic oxidation reactions with benzyl alcohol and carbon monoxide have also been examined. (C) 2012 Elsevier Ltd. All rights reserved.
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