Hostname: page-component-77c89778f8-sh8wx Total loading time: 0 Render date: 2024-07-18T05:36:59.288Z Has data issue: false hasContentIssue false

The Effect of Support Composition on Platinum Crystallite Agglomeration in Oxygen

Published online by Cambridge University Press:  28 February 2011

Michael F. Morrissey
Affiliation:
University of California, Los Angeles, Dept. of Chemical Engineering, 5531 Boelter Hall, Los Angeles, CA 90024
Shoko Kitazumi
Affiliation:
University of California, Los Angeles, Dept. of Chemical Engineering, 5531 Boelter Hall, Los Angeles, CA 90024
Robert F. Hicks
Affiliation:
University of California, Los Angeles, Dept. of Chemical Engineering, 5531 Boelter Hall, Los Angeles, CA 90024
Get access

Abstract

The effects of temperature of oxygen exposure on metal dispersion were determined for platinum deposited on Al2O3, ZrO2, 12 wt% Y2O3–ZrO2, and MgO. Platinum on zirconia and on magnesia showed higher thermal stability than platinum on alumina.

Type
Research Article
Copyright
Copyright © Materials Research Society 1988

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

1. Kesselring, J.P., Krill, W.V., Atkins, H.L., Kendall, R.M., Kelley, R.M., and Kelley, J.T., Design Criteria for Stationary Source Catalytic Combustion Systems (EPA-600/7–79–181, 1979).Google Scholar
2. Conklin, J.H., Sowards, D.M., and Kroehling, J.H., in: Kirk Othmer Encyclopedia of Chemical Technology, Vol.9, 511 (Wiley, New York, 1980).Google Scholar
3. Prasad, R., Kennedy, L.A., and Ruckenstein, E., Catal. Rev. -Sci. Eng. 26, 1 (1984).Google Scholar
4. Wanke, S.E., and Flynn, P.C., Catal. Rev. -Sci. Eng. 12, 93 (1974).Google Scholar
5. Wanke, S.E., in: Sintering and Heterogeneous Catalysis, Eds., Kuczynski, G.C., Miller, A.E., and Sargent, G.A., 223, (Plenum, New York, 1984).Google Scholar
6. Wynblatt, P., Acta Metall. 24, 1175 (1976).Google Scholar
7. Ruckenstein, E. and Dadyburjor, D.B., J. Catalysis 48, 73 (1977).Google Scholar
8. Chu, Y.F. and Ruckenstein, E., J. Catalysis 55, 281 (1987).Google Scholar
9. Dautzenberg, F.M. and Wolters, H.B.M., J. Catalysis 51, 26 (1978).Google Scholar
10. Yao, H.C., Wynblatt, P., Sieg, M., and Plummer, H.K., in: Sintering Processes, Ed., Kuczynski, G.C., 561, (Plenum, New York, 1980).Google Scholar
11. Rothschild, W.G., Yao, H.C., and Plummer, H.K., Langmuir 2, 588 (1986).Google Scholar
12. Yao, H.C., Appl. Surface Sci. 19, 398 (1984).Google Scholar
13. Yao, Y.F.Y., J. Catalysis 87, 152 (1984).Google Scholar
14. Sanchez, M.G. and Gazquez, J.L., J. Catalysis 104, 120 (1987).Google Scholar
15. Benson, J.E. and Boudart, M., J. Catalysis 4, 704 (1965).Google Scholar