Steven H. Overbury

Distinguished Research Staff and Group Leader

Ph.D., Physical Chemistry, University of California Berkeley, 1976
Member Technical Staff, Oak Ridge National Laboratory, 1977
Materials Chemistry Section Head, Oak Ridge National Laboratory, 1994 to 1995
Catalysis Theme Leader, Center for Nanostructured Materials, Oak Ridge National Laboratory, 2006 to present

Research Interests:

Surface chemistry and catalysis
Au oxidation catalysis,
Catalysis by oxides and chemistry of oxide surfaces,
Metal support interactions in catalysis,
Mesoporous materials,
Emission control catalysis,
X-ray absorption for analysis of redox processes in catalysts,
Soft x-ray photoemission for analysis of surface chemisorbates,
Surface structure and analysis of surface structure by low energy
   alkali ion scattering
Alloys and bi-metallic surfaces, and
Multi-charged ion surface scattering.

Professional Societies:

Editorial board; Catalysis Letters, Catalysis Communications,
   Topic in Catalysis
Officer in Southeastern Catalysis Society,
DOE Basic Research Needs Workshop in Catalysis (2007)
American Vacuum Society, Member
American Chemical Society, Member
Tennessee Valley Chapter/American Vacuum Society

Selected Publications

1.   Zhou, J.; Baddorf, A. P.; Mullins, D. R.; Overbury, S. H. Growth and characterization of Rh and Pd nanoparticles on oxidized and reduced CeOx(111) thin films by scanning tunneling microscopy, Journal of Physical Chemistry C, (2008), 112, 9336.

2. Yan, W. F.; Ma, Z.; Mahurin, S. M.; Jiao, J.; Hagaman, E. W.; Overbury, S. H.; Dai, S. Novel Au/TiO2/Al2O3 . xH2O catalysts for CO oxidation, Catalysis Letters, (2008), 121, 209.

3. Wu, Z.; Zhou, S.; Zhu, H.; Dai, S.; Overbury, S. H. Oxygen-assisted reduction of Au species on Au/SiO2 catalyst in room temperature CO oxidation, Chemical Communications, (2008), 2008, 3308.

4. Schwartz, V.; Mullins, D. R.; Yan, W.; Zhu, H.; Dai, S.; Overbury, S. H. Structural investigation of Au catalysts on TiO2-SiO2 supports - on the nature of the local structure of Ti and Au atoms by EXAFS and XANES, Journal of Physical Chemistry C, (2007), 111, 17322.

5. Rashkeev, S. N.; Lupini, A. R.; Overbury, S. H.; Pennycook, S. J.; Pantelides, S. T. The role of the nanoscale in catalytic CO oxidation by supported Au and Pt nanostructures, Physical Review B, (2007), 76, 035438.

6. Clark, J. C.; Dai, S.; Overbury, S. H. Operando studies of desorption, reaction and carbonate formation during CO oxidation by Au/TiO2 Catalysts, Catalysis Today, (2007), 126, 135.

7. Zhou, J.; Dag, S.; Senanayake, S. D.; Hathorn, B. C.; Kalinin, S. V.; Meunier, V.; Mullins, D. R.; Overbury, S. H.; Baddorf, A. P. Adsorption, desorption, and dissociation of benzene on TiO2(110) and Pd/TiO2(110): Experimental characterization and first-principles calculations, Physical Review B, (2006), 74, 125318.

8. Overbury, S. H.; Schwartz, V.; Mullins, D. R.; Yan, W. F.; Dai, S. Evaluation of the Au size effect: CO oxidation catalyzed by Au/TiO2, Journal of Catalysis, (2006), 241, 56.

9. Chang, B. K.; Jang, B. W.; Dai, S.; Overbury, S. H. Transient studies of the mechanisms of CO oxidation over Au/TiO2 using time-resolved FTIR spectroscopy and product analysis, Journal of Catalysis, (2005), 236, 392.

10. Overbury, S. H.; Ortiz-Soto, L.; Zhu, H. G.; Lee, B.; Amiridis, M. D.; Dai, S. Comparison of Au catalysts supported on mesoporous titania and silica: investigation of Au particle size effects and metal-support interactions, Catalysis Letters, (2004), 95, 99.

11. Overbury, S. H.; Mullins, D. R.; Kundakovic, L. Enhancement of dissociation by metal-support interaction: reaction of NO on Rh supported by ceria films of controlled oxidation state, Surface Science, (2001), 470, 243.