ICCAS OpenIR
Simulation of the sublimation process in the preparation of photochromic WO3 film by laser microprobe mass spectrometry
Yang, YA; Ma, Y; Yao, JN; Loo, BH
2000-07-01
Source PublicationJOURNAL OF NON-CRYSTALLINE SOLIDS
ISSN0022-3093
Volume272Issue:1Pages:71-74
AbstractIt is known that electrophotochromism of a WO3 film dramatically depends on its microstructure. To probe the influence of the microcomposition and the microstructure on the electrophotochromism of the VE-WO3 film, we employed a method based on laser microprobe mass spectrometry to simulate the sublimation process of WO3 with conditions mimicking those in vacuum evaporation. Both positive and negative ion clusters containing no more than six tungsten atoms were generated from direct laser vaporization of WO3 powder. The fragment valence calculation on the ion clusters showed that a valence of six was the ideal oxidation state for tungsten. The X-ray photoelectron spectroscopy results also confirmed the formation of stoichiometric units in the deposited film. Based on experimental results, (WO3)(x) especially (WO3)(3) and (WO3)(4), Were found to be the major component units in the vacuum evaporated (VE) film. (C) 2000 Elsevier Science B.V. All rights reserved.
Indexed BySCI
Language英语
WOS IDWOS:000088177600009
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/75922
Collection中国科学院化学研究所
Corresponding AuthorYao, JN
Affiliation1.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100101, Peoples R China
2.Univ Alabama, Dept Chem, Huntsville, AL 35899 USA
Recommended Citation
GB/T 7714
Yang, YA,Ma, Y,Yao, JN,et al. Simulation of the sublimation process in the preparation of photochromic WO3 film by laser microprobe mass spectrometry[J]. JOURNAL OF NON-CRYSTALLINE SOLIDS,2000,272(1):71-74.
APA Yang, YA,Ma, Y,Yao, JN,&Loo, BH.(2000).Simulation of the sublimation process in the preparation of photochromic WO3 film by laser microprobe mass spectrometry.JOURNAL OF NON-CRYSTALLINE SOLIDS,272(1),71-74.
MLA Yang, YA,et al."Simulation of the sublimation process in the preparation of photochromic WO3 film by laser microprobe mass spectrometry".JOURNAL OF NON-CRYSTALLINE SOLIDS 272.1(2000):71-74.
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