Differences in Catalytic Sites for CO Oxidation and Propylene Epoxidation on Au Nanoparticles

Author

• Wen-Sheng Lee, Birck Nanotechnology Center, Purdue UniversityFollow
• Rong Zhang, Birck Nanotechnology Center, Purdue University
• M. Cem Akatay, Birck Nanotechnology Center, Purdue UniversityFollow
• Chelsey Baertsch, Birck Nanotechnology Center, Purdue UniversityFollow
• E A. Stach, Birck Nanotechnology Center, Purdue University; Brookhaven National LaboratoryFollow
• Fabio H. Ribeiro, Birck Nanotechnology Center, Purdue UniversityFollow
• W. Nicholas Delgass, Birck Nanotechnology Center, Purdue UniversityFollow

Abstract

Sintering and increased Au loading of Au/TS-1 causes the rate of CO oxidation per mole of Au to increase, whereas that for epoxidation of propylene in O(2) and H(2) decreases. This opposite trend in rate behavior shows that the catalytic sites for the two reactions must be different.

Keywords

propylene epoxidation; CO oxidation; Au/TS-1; gold active site; GOLD CLUSTERS; PROPENE EPOXIDATION; TITANIA CATALYSTS; TS-1; O-2; TEMPERATURE; REACTIVITY; STABILITY; H-2; SILICA

DOI

10.1021/cs200373f

Citation

ACS Catal., 2011, 1 (10), pp 1327–1330

Date of this Version

10-2011

Recommended Citation

Lee, Wen-Sheng; Zhang, Rong; Akatay, M. Cem; Baertsch, Chelsey; Stach, E A.; Ribeiro, Fabio H.; and Delgass, W. Nicholas, "Differences in Catalytic Sites for CO Oxidation and Propylene Epoxidation on Au Nanoparticles" (2011). Birck and NCN Publications. Paper 944.
http://dx.doi.org/10.1021/cs200373f