Thermally-driven processes on rutile TiO2(1 1 0)-(1 × 1)

A direct view at the atomic scale

Zdenek Dohnálek, Igor Lyubinetsky, Roger Rousseau

Research output: Contribution to journalArticle

224 Citations (Scopus)

Abstract

The technological importance of TiO2 has led to a broad effort aimed at understanding the elementary steps that underlie catalytic and photocatalytic reactions. The most stable surface, rutile TiO2(1 1 0), in particular, has became a prototypical model for fundamental studies of TiO2. In this critical review we have selected oxygen, water, and alcohols to evaluate recent progress relevant for applications in the areas of water splitting and oxidation of organic contaminants. We first focus on the characterization of defects and the distribution of excess charge that results from their formation. The subsequent section concentrates on the role of individual surface sites and the effect of available charge in the adsorption processes. The discussion of adsorbate dynamics follows, providing models for intrinsic and extrinsic diffusion processes as well as rotational dynamics of anchored alkoxy species. The final section summarizes our current understanding of TiO2(1 1 0) catalyzed reactions between water, oxygen, and their dissociation products.

Original languageEnglish
Pages (from-to)161-205
Number of pages45
JournalProgress in Surface Science
Volume85
Issue number5-8
DOIs
Publication statusPublished - May 2010

Fingerprint

rutile
water splitting
Water
oxygen
water
Oxygen
contaminants
alcohols
dissociation
Adsorbates
oxidation
adsorption
defects
Alcohols
products
Impurities
Adsorption
Oxidation
Defects
titanium dioxide

Keywords

  • Adsorption
  • Alcohols
  • Catalysis
  • DFT
  • Diffusion reaction
  • Oxygen
  • Review
  • STM
  • TiO(1 1 0)
  • Water

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

Cite this

Thermally-driven processes on rutile TiO2(1 1 0)-(1 × 1) : A direct view at the atomic scale. / Dohnálek, Zdenek; Lyubinetsky, Igor; Rousseau, Roger.

In: Progress in Surface Science, Vol. 85, No. 5-8, 05.2010, p. 161-205.

Research output: Contribution to journalArticle

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