Growth and sintering of Au-Pt nanoparticles on oxidized and reduced CeOx(111) thin films by scanning tunneling microscopy

Journal of Physical Chemistry Letters

Volumn 1, Issue 3, 2010, Pages 609-615

  Zhou, Yinghui ^a   Zhou, Jing ^a  

^a UNIVERSITY OF WYOMING   (United States)

Author keywords

Nanoparticles and nanostructures

Indexed keywords

AU PARTICLES; BIMODAL SIZE DISTRIBUTION; HEXAGONAL PARTICLES; HIGH TEMPERATURE; MONODISPERSED PARTICLES; PT NANOPARTICLES; PT PARTICLE; SEQUENTIAL DEPOSITION; SINTERING BEHAVIORS;

CERIUM COMPOUNDS; GOLD COATINGS; HEATING; NANOPARTICLES; PLATINUM; SCANNING TUNNELING MICROSCOPY; SINTERING; SIZE DISTRIBUTION; THIN FILMS; WIND TUNNELS;

GOLD;

EID: 77749267661     PISSN: None     EISSN: 19487185     Source Type: Journal    
DOI: 10.1021/jz900397y     Document Type: Article

References (50)

1. Trovarelli, A. Catalysis by Ceria and Related Materials; Imperial College Press: London, 2002.
2. Tabakova, T.; Boccuzzi, F.; Manzoli, M.; Sobczak, J.W.; Idakiev, V.; Andreeva, D. Effect of Synthesis Procedure on the Low-Temperature WGS Activity of Au/Ceria Catalysts. Appl. Catal., B 2004, 49, 73-81.
3. 2 Catalysts for Low-Temperature Water-Gas Shift. Catal. Lett. 2001, 77, 87-95.
4. 2 System in Total and Preferential Oxidation of CO. Appl. Catal., B 2006, 66, 81-91.
5. 2. Appl. Catal., A 2004, 261, 171-181.
6. 2 Catalysts. Catal. Today 2002, 72, 51-57.
7. Chretien, S.; Buratto, S. K.; Metiu, H. Catalysis by Very Small Au Clusters. Curr. Opin. Solid State Mater. Sci. 2007, 11, 62-75.
8. Ladebeck, J. R.;Wagner, J. P. Handbook of Fuel Cell Technology- Fundamentals, Technology, and Applications; Vielstich, W., Lamm, A., Gasteiger, H. A., Eds.; Wiley: New York, 2003, Chapter 17.
9. 2(111) and ZnO(0001): Intrinsic Activity and Importance of Support Interactions. Angew. Chem., Int. Ed. 2007, 46, 1329-1332.
10. x Water Gas Shift Catalysts. J. Catal. 2005, 230, 66-74.
11. 2 Catalyst During the Low-Temperature Water-Gas Shift Reaction and Its Reactivation: A Combined TEM, XRD, XPS, DRIFTS, and Activity Study. J. Catal. 2007, 250, 139-150.
12. 2(110) during CO Oxidation. J. Phys. Chem. C 2009, 113, 254-260.
13. Hvolbaek, B.; Janssens, T. V. W.; Clausen, B. S.; Falsig, H.; Christensen, C. H.; Norskov, J. K. Catalytic Activity of Au Nanoparticles. Nano Today 2007, 2, 14-18.
14. Bond, G. C.; Thompson, D. T. Catalysis by Gold. Catal. Rev.- Sci. Eng. 1999, 41, 319-388.
15. 2(110): Growth, Surface Composition, and Metal-Support Interactions. J. Phys. Chem. C 2008, 112, 5490-5500.
16. 2(110). Surf. Sci. 2004, 548, 324-332.
17. 2O and CO. Surf. Sci. 2000, 467, 201-213.
18. 2 Catalyst for Fuel Cell Reformer Applications. J. Phys. Chem. B 2003, 107, 10398-10404.
19. Chen, H. M.; Peng, H. C.; Liu, R. S.; Hu, S. F.; Jang, L. Y. Local Structural Characterization of Au/Pt Bimetallic Nanoparticles. Chem. Phys. Lett. 2006, 420, 484-488.
20. Sadek, M. M.; Wang, L. C. Effect of Adsorption Site, Size, and Composition of Pt/Au Bimetallic Clusters on the CO Frequency: A Density Functional Theory Study. J. Phys. Chem. A 2006, 110, 14036-14042.
21. Bunluesin, T.; Gorte, R. J.; Graham, G. W. Studies of the Water-Gas-Shift Reaction on Ceria-Supported Pt, Pd, and Rh: Implications for Oxygen-Storage Properties. Appl. Catal., B 1998, 15, 107-114.
22. Mullins, D. R.; Overbury, S. H. CO Dissociation on Rh Deposited on Reduced Cerium Oxide Thin Films. J. Catal. 1999, 188, 340-345.
23. Zhou, J.; Mullins, D. R. Rh-Promoted Methanol Decomposition on Cerium Oxide Thin Films. J. Phys. Chem. B 2006, 110, 15994-16002.
24. 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. Surf. Sci. 2001, 470, 243-254.
25. 2(111). Surf. Sci. 2003, 526, 1-18.
26. Azzam, K. G.; Babich, I. V.; Seshan, K.; Lefferts, L. Bifunctional Catalysts for Single-StageWater-Gas Shift Reaction in Fuel Cell Applications. Part 1. Effect of the Support on the Reaction Sequence. J. Catal. 2007, 251, 153-162. (Pubitemid 47368289)
27. Azzam, K. G.; Babich, I. V.; Seshan, K.; Lefferts, L. A Bifunctional Catalyst for the Single-StageWater-Gas Shift Reaction in Fuel Cell Applications. Part 2. Roles of the Support and Promoter on Catalyst Activity and Stability. J. Catal. 2007, 251, 163-171. (Pubitemid 47368290)
28. Burch, R. Gold Catalysts for Pure Hydrogen Production in the Water-Gas Shift Reaction: Activity, Structure and Reaction Mechanism. Phys. Chem. Chem. Phys. 2006, 8, 5483-5500.
29. Ferrizz, R. M.; Wong, G. S.; Egami, T.; Vohs, J. M. Structure Sensitivity of the Reaction of Methanol on Ceria. Langmuir 2001, 17, 2464-2470.
30. Liu, Z. P.; Jenkins, S. J.; King, D. A. Origin and Activity of Oxidized Gold in Water-Gas-Shift Catalysis. Phys. Rev. Lett. 2005, 94, 196102.
31. Campbell,C. T.; Peden, C. H. F. OxygenVacancies andCatalysis on Ceria Surfaces. Science 2005, 309, 713-714.
32. Fu, Q.; Saltsburg, H.; Flytzani-Stephanopoulos, M. Active Nonmetallic Au and Pt Species on Ceria-Based Water-Gas Shift Catalysts. Science 2003, 301, 935-938.
33. 2-Rich Stream. J. Power Sources 2006, 163, 547-554.
34. Rodriguez, J. A.; Wang, X.; Liu, P.; Wen, W.; Hanson, J. C.; Hrbek, J.; Perez, M.; Evans, J. Gold Nanoparticles on Ceria: Importance of O Vacancies in the Activation of Gold. Top. Catal. 2007, 44, 73-81.
35. 2(100) Surfaces. J. Catal. 1996, 159, 50-57.
36. x(111) Thin Films by Scanning Tunneling Microscopy. J. Phys. Chem. C 2008, 112, 9336-9345.
37. Lu, J. L.; Gao, H. J.; Shaikhutdinov, S.; Freund, H. J. Gold Supported on Well-Ordered Ceria Films: Nucleation, Growth and Morphology in CO Oxidation Reaction. Catal. Lett. 2007, 114, 8-16.
38. x Nanoparticles. J. Phys. Chem. C 2009, 113, 6042-6049.
39. Mullins, D. R.; Zhang, K. Z. Metal-Support Interactions Between Pt and Thin Film Cerium Oxide. Surf. Sci. 2002, 513, 163-173.
40. 2 Surfaces - An XPS, UPS and HREELS Study. Surf. Sci. 1994, 321, 71-80.
41. 2(111) Surfaces Studied by Scanning Tunneling Microscopy. Phys. Rev. Lett. 1997, 79, 4222-4225.
42. 2(111) by Noncontact Atomic Force Microscopy. Appl. Surf. Sci. 2002, 188, 252-256.
43. 2(111) Films Grown on Ru(0001) as Studied by Scanning Tunneling Microscopy. Surf. Sci. 2006, 600, 5004-5010.
44. Diebold, U. The Surface Science of Titanium Dioxide. Surf. Sci. Rep. 2003, 48, 53-229.
45. Chen, M.; Cai, Y.; Yan, Z.; Goodman, D. W. On the Origin of the Unique Properties of Supported Au Nanoparticles. J. Am. Chem. Soc. 2006, 128, 6341-6346.
46. Valden, M.; Lai, X.; Goodman, D. W. Onset of Catalytic Activity of Gold Clusters on Titania with the Appearance of Nonmetallic Properties. Science 1998, 281, 1647-1650.
47. 2(111) Surfaces with Different Oxidation States: Surface Structure and Behavior of Surface Oxygen Atoms. J. Phys. Chem. B 2003, 107, 11666-11673.
48. Esch, F.; Fabris, S.; Zhou, L.; Montini, T.; Africh, C.; Fornasiero, P.; Comelli, G.; Rosei, R. Electron Localization Determines Defect Formation on Ceria Substrates. Science 2005, 309, 752-755.
49. 2(110). Surf. Sci. 2003, 537, L429-L434.
50. Tian, W. Q.; Ge, M. F.; Gu, F. L.; Yamada, T.; Aoki, Y. Binary Clusters AuPt and Au6Pt: Structure and Reactivity within Density Functional Theory. J. Phys. Chem. A 2006, 110, 6285-6293.