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Reactivity of Nitric Oxide on Copper Surfaces

Elucidated by Direct Observation of Valence Orbitals

  • Book
  • © 2017

Overview

Authors:
  1. Akitoshi Shiotari

    1. The University of Tokyo , kashiwa, Japan

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  • Nominated by Kyoto University as an outstanding Ph.D. thesis
  • Provides in the introduction a comprehensive overview of previous studies on NO/metal systems
  • Helps the reader to understand the experimental results easily with the generous use of figures and illustrations
  • Includes supplementary material: sn.pub/extras
  • Includes supplementary material: sn.pub/extras

Part of the book series: Springer Theses (Springer Theses)

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Table of contents (10 chapters)

  1. Front Matter

    Pages i-xiii
    Download chapter PDF

  2. Introduction

    • Akitoshi Shiotari
    Pages 1-27

  3. Principles and Methods

    • Akitoshi Shiotari
    Pages 29-49

  4. Visualization of Covalent Bonding between NO Molecules on Cu(110)

    • Akitoshi Shiotari
    Pages 51-61

  5. NO Reduction by Co-adsorbed Water Molecules on Cu(110)

    • Akitoshi Shiotari
    Pages 63-72

  6. Thermal and Electron-Induced Configuration Changes of NO on Cu(110)

    • Akitoshi Shiotari
    Pages 73-86

  7. Valence Orbitals of High Symmetry NO on Cu(001)

    • Akitoshi Shiotari
    Pages 87-94

  8. Symmetry Correlation between Molecular Vibrations and Valence Orbitals: NO/Cu(110) and NO/Cu(001)

    • Akitoshi Shiotari
    Pages 95-105

  9. Formation of Unique Trimer of NO on Cu(111)

    • Akitoshi Shiotari
    Pages 107-115

  10. Conclusions

    • Akitoshi Shiotari
    Pages 117-118

  11. Appendix: Analysis of Tunneling Current Modified by Vibrational Excitations

    • Akitoshi Shiotari
    Pages 119-125

  12. Back Matter

    Pages 127-129
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Keywords

About this book

This book provides microscopic insights into chemical properties of NO on metal surfaces. NO/metal systems have been studied intensively to understand heterogeneous catalysis to detox exhaust NOx gas. The identification and componential analysis of various and mixed chemical species of NO adsorbed onto the surfaces have been significant challenges faced by conventional experimental techniques, such as vibrational spectroscopies. The author investigated "individual" NO molecules on Cu surfaces using low-temperature scanning tunneling microscopy (STM). STM not only provides information on the geometric, electronic, and vibrational properties at the single-molecule level; it is also able to manipulate molecules on surfaces to induce chemical reaction. Exploiting those techniques, the author chemically identified individual NO-related species on the surfaces and discovered new reaction processes for NO reduction, which provides microscopic insights into the catalytic mechanisms. The authoralso visualized wave functions of electrons in a valence orbital of NO and demonstrated that the wave functions are modified by the formation of covalent bonding or hydrogen bonding. This is, namely, "the visualization of quantum mechanics in real space," which is certainly worth reading. Furthermore, the book demonstrates that direct observation of valence orbitals helps to elucidate the reactivity of molecules adsorbed onto surfaces. This innovative approach to studying molecular properties will contribute to further development of STM and its related methods. 

Authors and Affiliations

  • The University of Tokyo , kashiwa, Japan

    Akitoshi Shiotari

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