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Catalysts 2016, 6(11), 179; doi:10.3390/catal6110179

Au Capping Agent Removal Using Plasma at Mild Temperature

1
Catalysis Engineering, ChemE, Delft University of Technology, Van der Maasweg 9, 2629 HZ Delft, The Netherlands
2
ChemEng, University of Cape Town, Private Bag X3, 7701 Rondebosch, South Africa
*
Author to whom correspondence should be addressed.
Academic Editors: Leonarda F. Liotta and Salvatore Scirè
Received: 15 September 2016 / Revised: 20 October 2016 / Accepted: 1 November 2016 / Published: 17 November 2016
(This article belongs to the Collection Gold Catalysts)
View Full-Text   |   Download PDF [5166 KB, uploaded 17 November 2016]   |  

Abstract

To prevent sintering, ozone treatment at mild temperature is used to remove the capping agent from supported Au nanoparticles. The Au nanoparticles are first synthesized as a colloidal solution and then supported on alumina. Fourier Transform Infra Red (FTIR) shows the capping agent is removed completely. Transmission Electron Microscopy (TEM) and catalytic test reactions show the Au does not sinter significantly upon low temperature ozone treatment. View Full-Text
Keywords: Au nanoparticle synthesis; characterization; immobilization; capping agent removal; ozonication; benzyl alcohol oxidation; CO oxidation Au nanoparticle synthesis; characterization; immobilization; capping agent removal; ozonication; benzyl alcohol oxidation; CO oxidation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Puspitasari, I.; Skupien, E.; Kapteijn, F.; Kooyman, P.J. Au Capping Agent Removal Using Plasma at Mild Temperature. Catalysts 2016, 6, 179.

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