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The utility of photoemission spectroscopy in the study of intercalation reactions
Author(s) -
Wu QiHui
Publication year - 2006
Publication title -
surface and interface analysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.52
H-Index - 90
eISSN - 1096-9918
pISSN - 0142-2421
DOI - 10.1002/sia.2395
Subject(s) - intercalation (chemistry) , x ray photoelectron spectroscopy , alkali metal , photoemission spectroscopy , angle resolved photoemission spectroscopy , chemistry , fermi level , electronic structure , inverse photoemission spectroscopy , spectroscopy , work function , fermi surface , materials science , chemical physics , condensed matter physics , inorganic chemistry , electrode , computational chemistry , physics , nuclear magnetic resonance , electron , superconductivity , organic chemistry , quantum mechanics
Abstract In this brief review, the general effects of the intercalation of alkali metals (Na, Li) into V 2 O 5 thin films, observed by photoemission spectroscopy (XPS and UPS), are summarized and discussed in order to better understand the involved intercalation mechanisms and surface reactions in the view points of crystal structure and electronic structure. The correlation of the change in work function and the shift in Fermi level of the host due to the intercalation of alkali metals is outlined. Finally, the contribution of different mechanisms to the batteries' voltages, as deduced from photoemission spectroscopic data, is given. Copyright © 2006 John Wiley & Sons, Ltd.