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New Data from University of Cambridge Illuminate Findings in Microscopy (Microstructural Analysis of Au/TiO2-SBA-15 Nanocomposite)

September 12, 2014



By a News Reporter-Staff News Editor at Science Letter -- New research on Microscopy is the subject of a report. According to news originating from Cambridge, United Kingdom, by NewsRx correspondents, research stated, "Properties of gold nanoparticles (AuNPs) are very different from bulk gold, in particular, highly dispersed AuNPs exhibit high catalytic activities on metal oxide supports. Catalytic activities of AuNPs are strongly dependent on: (i) size and morphology; (ii) synthesis methods; (iii) nature of the support; (iv) interaction between AuNPs and the support; and (v) oxidation state of AuNPs in the synthesized catalysts."

Our news journalists obtained a quote from the research from the University of Cambridge, "A goal is to maintain the size and to prohibit aggregation of AuNPs, since aggregations deteriorate catalytic activities. Some strong interactions are therefore required between AuNPs and their supports to prevent the movement of AuNPs. SBA-15 is a promising material for the support of AuNPs since it has ordered two-dimensional hexagonal pore channels, uniform pore size ranging from 5 to 30 nm, narrow pore size distribution, thick amorphous walls ranging from 3 to 6 nm, and high surface area."

According to the news editors, the research concluded: "In this study, SBA-15, TiO2-SBA-15 and TiO2-SBA-15-AuNP nanocomposites were synthesized by the sol-gel method and microstructural characterizations were carried out by both X-ray diffraction analysis and electron microscopy."

For more information on this research see: Microstructural Analysis of Au/TiO2-SBA-15 Nanocomposite. Microscopy and Microanalysis, 2014;20(4):1001-1007. Microscopy and Microanalysis can be contacted at: Cambridge Univ Press, 32 Avenue Of The Americas, New York, NY 10013-2473, USA. (Cambridge University Press - www.cambridge.org; Microscopy and Microanalysis - journals.cambridge.org/action/displayJournal?jid=MAM)

The news correspondents report that additional information may be obtained from T. Gondo, University of Cambridge, Dept. of Mat Sci & Met, Cambridge CB3 0FS, United Kingdom. Additional authors for this research include K. Kaneko, T. Nishiyama, K. Yamada, Z. Saghi, J.S. Barnard and P.A. Midgley (see also Microscopy).

Keywords for this news article include: Cambridge, United Kingdom, Europe, Microscopy

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC


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Source: Science Letter


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