ICCAS OpenIR
Thermochromic organoaminomodified silica composite films containing phosphomolybdic acid
Zhang, TR; Feng, W; Lu, R; Bao, CY; Li, TJ; Zhao, YY; Yao, JN
2002-06-01
Source PublicationJOURNAL OF SOLID STATE CHEMISTRY
ISSN0022-4596
Volume166Issue:1Pages:259-263
AbstractA novel thermochromic sol-gel film has been prepared for the first time through entrapping phosphomolybdic acid into a kind of inorganic-organic matrix co-hydrolyzed from tetraethylorthosilicate and 3-aminopropyltriethoxysilane. The thus-obtained amorphous nanocomposite film was characterized by IR spectra, UV-vis absorption spectra, XRD, TG-DTA, and ESR. Results show that phosphomolybdate polyanions interact with R-NH3+ cations strongly and disperse homogeneously in the sol-gel matrix. The sol-gel film exhibits thermochromic properties. Annealed from 120 to 180degreesC, the transparent film changes from pale-yellow to blue. A possible charge-transfer process has been suggested to explain the thermochromism. (C) 2002 Elsvier Science (USA).
KeywordSol-gel Thermochromic Phosphomolybdic Acid Charge Transfer
DOI10.1006/jssc.2002.9600
Indexed BySCI
Language英语
WOS IDWOS:000177932800032
PublisherACADEMIC PRESS INC ELSEVIER SCIENCE
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/78820
Collection中国科学院化学研究所
Corresponding AuthorLu, R
Affiliation1.Jilin Univ, Dept Chem, Changchun 130023, Peoples R China
2.Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
3.Chinese Acad Sci, Ctr Mol Sci, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Zhang, TR,Feng, W,Lu, R,et al. Thermochromic organoaminomodified silica composite films containing phosphomolybdic acid[J]. JOURNAL OF SOLID STATE CHEMISTRY,2002,166(1):259-263.
APA Zhang, TR.,Feng, W.,Lu, R.,Bao, CY.,Li, TJ.,...&Yao, JN.(2002).Thermochromic organoaminomodified silica composite films containing phosphomolybdic acid.JOURNAL OF SOLID STATE CHEMISTRY,166(1),259-263.
MLA Zhang, TR,et al."Thermochromic organoaminomodified silica composite films containing phosphomolybdic acid".JOURNAL OF SOLID STATE CHEMISTRY 166.1(2002):259-263.
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