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Nanosize control on porous β-MnO2 and their catalytic activity in CO oxidation and N2O decomposition

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Ren_2014_Mat_Nanosize.pdf (1.076Mb)
Date
06/05/2014
Author
Ren, Yu
Ma, Z.
Dai, S.
Keywords
Mesoporous
Pyrolusite
CO oxidation
N2O decomposition
Textural properties
QD Chemistry
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Abstract
A major challenge in the synthesis of porous metal oxides is the control of pore size and/or wall thickness that may affect the performance of these materials. Herein, nanoporous β-MnO2 samples were prepared using different hard templates, e.g., ordered mesoporous silica SBA-15 and KIT-6, disordered mesoporous silica, and colloidal silica. These samples were characterized by Powder X-Ray Diffraction (PXRD), Transmission Electron Microscopy (TEM), and N2 adsorption-desorption. The pore size distribution of β-MnO2 was tuned by the different hard templates and their preparation details. Catalytic activities in CO oxidation and N2O decomposition were tested and the mesoporous β-MnO2 samples demonstrated superior catalytic activities compared with their bulk counterpart.
Citation
Ren , Y , Ma , Z & Dai , S 2014 , ' Nanosize control on porous β-MnO 2 and their catalytic activity in CO oxidation and N 2 O decomposition ' , Materials , vol. 7 , no. 5 , pp. 3547-3556 . https://doi.org/10.3390/ma7053547
Publication
Materials
Status
Peer reviewed
DOI
https://doi.org/10.3390/ma7053547
ISSN
1996-1944
Type
Journal article
Rights
© 2014 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/5356

Items in the St Andrews Research Repository are protected by copyright, with all rights reserved, unless otherwise indicated.

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