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Title: Protection of MoO{sub 3} high work function by organic thin film

The effects of air exposure are investigated for molybdenum trioxide (MoO{sub 3}) covered with organic thin films using ultraviolet photoemission spectroscopy. It is found that the severe drop of the work function of MoO{sub 3} by air exposure is substantially reduced by the organic thin films. Both CuPc and C{sub 60} are used for the investigations. The results indicate that the MoO{sub 3} surface can be passivated by approximately two monolayers of organic thin films against exposure to air.
Authors:
;  [1] ;  [1] ;  [2]
  1. Department of Physics and Astronomy, University of Rochester, Rochester, New York 14627 (United States)
  2. (ISUPAM), Central South University, Changsha, Hunan 410083 (China)
Publication Date:
OSTI Identifier:
22391899
Resource Type:
Journal Article
Resource Relation:
Journal Name: Applied Physics Letters; Journal Volume: 105; Journal Issue: 18; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; COPPER COMPLEXES; FULLERENES; MOLYBDENUM OXIDES; PHOTOELECTRON SPECTROSCOPY; PHTHALOCYANINES; THIN FILMS; ULTRAVIOLET SPECTRA; WORK FUNCTIONS