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Nolan M, Mulley JS, Bennett RA. Charge transfer in Cr adsorption and reaction at the rutile TiO2(110) surface. Phys Chem Chem Phys. 2009;11(13):2156-60doi: 10.1039/b819724e.
Nolan, M., Mulley, J. S., & Bennett, R. A. (2009). Charge transfer in Cr adsorption and reaction at the rutile TiO2(110) surface. Physical chemistry chemical physics : PCCP, 11(13), 2156-60. https://doi.org/10.1039/b819724e
Nolan, Michael, et al. "Charge transfer in Cr adsorption and reaction at the rutile TiO2(110) surface." Physical chemistry chemical physics : PCCP vol. 11,13 (2009): 2156-60. doi: https://doi.org/10.1039/b819724e
Nolan M, Mulley JS, Bennett RA. Charge transfer in Cr adsorption and reaction at the rutile TiO2(110) surface. Phys Chem Chem Phys. 2009 Apr 07;11(13):2156-60. doi: 10.1039/b819724e. Epub 2009 Feb 09. PMID: 19305887.
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Phys Chem Chem Phys. 2009 Apr 07;11(13):2156-60. doi: 10.1039/b819724e. Epub 2009 Feb 09.

Charge transfer in Cr adsorption and reaction at the rutile TiO2(110) surface.

Physical chemistry chemical physics : PCCP

Michael Nolan, James S Mulley, Roger A Bennett

Affiliations

  1. Tyndall National Institute, Lee Maltings, Prospect Row, Cork, Ireland. [email protected]

PMID: 19305887 DOI: 10.1039/b819724e

Abstract

The rutile TiO2(110) surface has been doped with sub-monolayer metallic Cr, which oxidises and donates charge to specific surface Ti ions. X-Ray and ultra violet photoemission spectroscopy and first principles density functional theory with Hubbard U are used to assign the oxidation states of Cr and surface Ti and we find that Cr2+ forms on bridging oxygen ions and a 5-fold coordinated surface Ti atom is reduced to Ti3+ and the Cr ions readily react with oxygen (to Cr3+), which leads to depletion of surface Ti3+ 3d electrons.

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