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Proton Insertion in Polycrystalline WO3 Studied with Electron Spectroscopy and Semi-empirical Calculations

  • A. Henningsson
  • , A. Stashans
  • , A. Sandell
  • , H. Rensmo
  • , S. Södergren
  • , H. Lindström
  • , L. Vayssieres
  • , A. Hagfeldt
  • , S. Lunell
  • , H. Siegbahn
  • Uppsala University
  • Gammadata Scienta AB

科研成果: 书/报告/会议事项章节章节同行评审

14 引用 (Scopus)

摘要

Proton insertion in polycrystalline tungsten oxide has been studied with photoelectron spectroscopy and semi-empirical calculations. The W 4f spectra show growth of W5+ and W4+ oxidation states as a function of inserted proton content in the crystal lattice. A concomitant growth of bandgap structure displays two separate peaks. Semi-empirical calculations using the periodic large unit cell (LUC) method suggest the growth of W4+ states based on the total energy variation with respect to the number of protons/unit cell. At this stage the general picture of insertion is that of a multiphase system containing regions of different x values.

源语言英语
主期刊名A Tribute Volume in Honor of Professor Osvaldo Goscinski
出版商Academic Press Inc.
23-36
页数14
ISBN(印刷版)0120348470, 9780120348473
DOI
出版状态已出版 - 2004
已对外发布

出版系列

姓名Advances in Quantum Chemistry
47
ISSN(印刷版)0065-3276

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