Active sites on oxides

From single crystals to catalysts

Hicham Idriss, M A Barteau

Research output: Chapter in Book/Report/Conference proceedingChapter

118 Citations (Scopus)

Abstract

Metal oxides are ubiquitous in heterogeneous catalysis, serving as catalysts, as catalyst supports, and as modifiers and promoters, among other roles. The surface science approach to understanding the structure and reactivity of metal oxide surfaces has blossomed during the preceding decade. We consider here important concepts drawn from catalysis by metal oxides and their connections to reaction pathways and principles of oxide surface reactivity revealed by experimental and theoretical studies of well-defined oxide surfaces. The applications of reaction mechanisms and site requirements from surface science studies of carboxylic acid chemistry, in particular, to emerging catalysts for dehydration, coupling, and reduction reactions provide important examples of contributions to heterogeneous catalysis from oxide surface science. We also consider relationships between oxide surface reactivity and the physical and electronic properties of oxides as represented by characteristics such as electronegativity, bond energies, ionicity, Madelung potential, and polarizability. This analysis highlights the need for reaction data on well-defined single-crystal surfaces in order to distinguish structural and electronic effects when comparing patterns of catalytic activity and selectivity among different metal oxides. This review of the connetions between metal oxide single-crystal surfaces and high surface area catalysts (or their components) demonstrates the potential of surface science approaches to elucidate the chemical and physical bases for catalysis by metal oxides, in pursuit of the goal of catalyst design.
Original languageEnglish
Title of host publicationImpact of Surface Science on Catalysis
EditorsBruce C. Gates, Helmut Knozinger
Place of PublicationLondon, United Kingdom
PublisherAcademic Press
Pages261-331
Number of pages71
Volume45
ISBN (Print)978-0-12-007845-5
DOIs
Publication statusPublished - 2000

Publication series

NameAdvances in Catalysis
PublisherAcademic Press

Keywords

  • SCANNING-TUNNELING-MICROSCOPY
  • TEMPERATURE-PROGRAMMED DESORPTION
  • ENERGY-LOSS SPECTROSCOPY
  • SURFACE ORGANOMETALLIC CHEMISTRY
  • OPTICAL-ABSORPTION SPECTROSCOPY
  • CARBOXYLIC-ACID DECOMPOSITION
  • REDUCED TIO2(001) SURFACES
  • RUTILE TIO2(110) SURFACE
  • ATOMIC-FORCE MICROSCOPY
  • ALKALINE-EARTH OXIDES
  • ALKALINE-EARTH OXIDES

Cite this

Idriss, H., & Barteau, M. A. (2000). Active sites on oxides: From single crystals to catalysts. In B. C. Gates, & H. Knozinger (Eds.), Impact of Surface Science on Catalysis (Vol. 45, pp. 261-331). (Advances in Catalysis ). London, United Kingdom: Academic Press. https://doi.org/doi:10.1016/S0360-0564(02)45016-X

Active sites on oxides : From single crystals to catalysts. / Idriss, Hicham; Barteau, M A .

Impact of Surface Science on Catalysis. ed. / Bruce C. Gates; Helmut Knozinger. Vol. 45 London, United Kingdom : Academic Press, 2000. p. 261-331 (Advances in Catalysis ).

Research output: Chapter in Book/Report/Conference proceedingChapter

Idriss, H & Barteau, MA 2000, Active sites on oxides: From single crystals to catalysts. in BC Gates & H Knozinger (eds), Impact of Surface Science on Catalysis. vol. 45, Advances in Catalysis , Academic Press, London, United Kingdom, pp. 261-331. https://doi.org/doi:10.1016/S0360-0564(02)45016-X
Idriss H, Barteau MA. Active sites on oxides: From single crystals to catalysts. In Gates BC, Knozinger H, editors, Impact of Surface Science on Catalysis. Vol. 45. London, United Kingdom: Academic Press. 2000. p. 261-331. (Advances in Catalysis ). https://doi.org/doi:10.1016/S0360-0564(02)45016-X
Idriss, Hicham ; Barteau, M A . / Active sites on oxides : From single crystals to catalysts. Impact of Surface Science on Catalysis. editor / Bruce C. Gates ; Helmut Knozinger. Vol. 45 London, United Kingdom : Academic Press, 2000. pp. 261-331 (Advances in Catalysis ).
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N2 - Metal oxides are ubiquitous in heterogeneous catalysis, serving as catalysts, as catalyst supports, and as modifiers and promoters, among other roles. The surface science approach to understanding the structure and reactivity of metal oxide surfaces has blossomed during the preceding decade. We consider here important concepts drawn from catalysis by metal oxides and their connections to reaction pathways and principles of oxide surface reactivity revealed by experimental and theoretical studies of well-defined oxide surfaces. The applications of reaction mechanisms and site requirements from surface science studies of carboxylic acid chemistry, in particular, to emerging catalysts for dehydration, coupling, and reduction reactions provide important examples of contributions to heterogeneous catalysis from oxide surface science. We also consider relationships between oxide surface reactivity and the physical and electronic properties of oxides as represented by characteristics such as electronegativity, bond energies, ionicity, Madelung potential, and polarizability. This analysis highlights the need for reaction data on well-defined single-crystal surfaces in order to distinguish structural and electronic effects when comparing patterns of catalytic activity and selectivity among different metal oxides. This review of the connetions between metal oxide single-crystal surfaces and high surface area catalysts (or their components) demonstrates the potential of surface science approaches to elucidate the chemical and physical bases for catalysis by metal oxides, in pursuit of the goal of catalyst design.

AB - Metal oxides are ubiquitous in heterogeneous catalysis, serving as catalysts, as catalyst supports, and as modifiers and promoters, among other roles. The surface science approach to understanding the structure and reactivity of metal oxide surfaces has blossomed during the preceding decade. We consider here important concepts drawn from catalysis by metal oxides and their connections to reaction pathways and principles of oxide surface reactivity revealed by experimental and theoretical studies of well-defined oxide surfaces. The applications of reaction mechanisms and site requirements from surface science studies of carboxylic acid chemistry, in particular, to emerging catalysts for dehydration, coupling, and reduction reactions provide important examples of contributions to heterogeneous catalysis from oxide surface science. We also consider relationships between oxide surface reactivity and the physical and electronic properties of oxides as represented by characteristics such as electronegativity, bond energies, ionicity, Madelung potential, and polarizability. This analysis highlights the need for reaction data on well-defined single-crystal surfaces in order to distinguish structural and electronic effects when comparing patterns of catalytic activity and selectivity among different metal oxides. This review of the connetions between metal oxide single-crystal surfaces and high surface area catalysts (or their components) demonstrates the potential of surface science approaches to elucidate the chemical and physical bases for catalysis by metal oxides, in pursuit of the goal of catalyst design.

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KW - ENERGY-LOSS SPECTROSCOPY

KW - SURFACE ORGANOMETALLIC CHEMISTRY

KW - OPTICAL-ABSORPTION SPECTROSCOPY

KW - CARBOXYLIC-ACID DECOMPOSITION

KW - REDUCED TIO2(001) SURFACES

KW - RUTILE TIO2(110) SURFACE

KW - ATOMIC-FORCE MICROSCOPY

KW - ALKALINE-EARTH OXIDES

KW - ALKALINE-EARTH OXIDES

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T3 - Advances in Catalysis

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A2 - Knozinger, Helmut

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