Issue 10, 2007
From the journal:

Chemical Communications

Dramatic promotion of gold/titania for CO oxidation by sulfate ions

P. Mohapatra,a   John Moma,b   K. M. Parida,a   W. A. Jordaanc  and  Mike S. Scurrell*b  

* Corresponding authors

a Colloids & Materials Chemistry Cell, Regional Research Laboratory (CSIR) Bhubaneswar, Orissa, India

b Molecular Sciences Institute, School of Chemistry, University of the Witatersrand Johannesburg, PO WITS, South Africa

c National Metrology Laboratory, CSIR, Pretoria, South Africa

Abstract

The activity of gold/titania catalysts for the room-temperature oxidation of CO can be dramatically enhanced by the addition of sulfate ions to the support; it appears that anion promotion of gold may be a general phenomenon and may be related to the direct modification of active gold sites in the case of sulfate ions, as evidenced by secondary ion mass spectrometry.

Graphical abstract: Dramatic promotion of gold/titania for CO oxidation by sulfate ions

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Article information

DOI
https://doi.org/10.1039/B614267B
Article type
Communication
Submitted
03 Oct 2006
Accepted
04 Dec 2006
First published
08 Jan 2007

Chem. Commun., 2007, 1044-1046

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Dramatic promotion of gold/titania for CO oxidation by sulfate ions

P. Mohapatra, J. Moma, K. M. Parida, W. A. Jordaan and M. S. Scurrell, Chem. Commun., 2007, 1044 DOI: 10.1039/B614267B

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