ICCAS OpenIR
Sonochemical preparation of photochromic nanocomposite thin film based on polyoxometalates well dispersed in polyacrylamide
Feng, W; Zhang, TR; Liu, Y; Lu, R; Zhao, YY; Li, TJ; Yao, JN
2002-11-15
Source PublicationJOURNAL OF SOLID STATE CHEMISTRY
ISSN0022-4596
Volume169Issue:1Pages:1-5
AbstractNovel photochromic nanocomposite thin film containing phosphotungstic acid entrapped in polyacrylamide was prepared using ultrasound technique. TEM image revealed that the polyoxometalates nanoparticles with narrow size distribution were finely dispersed in polymer matrix. IR spectra showed that the Keggin geometry of polyoxometalates was still preserved inside the composite film and strong Coulombic interaction was built between heteropolyoxometalates and polyacrylamide via hydrogen bond. It was found that the thermal stability of the hybrid film was lower than that of pure polymer but the film was stable enough for photochromic application from the TG-DTA curves. The transparent film changed from colorless to blue under UV irradiation and showed reversible photochromism. The bleaching process occurred when the film was in contact with air or 02 in the dark. The photoreduced process was in accordance with radical mechanism. (C) 2002 Elsevier Science (USA). All rights reserved.
KeywordSonochemical Preparation Polyoxometalate Polyacrylamide Thin Film Photochromism
Indexed BySCI
Language英语
WOS IDWOS:000180197700001
PublisherACADEMIC PRESS INC ELSEVIER SCIENCE
Citation statistics
Cited Times:37[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/79042
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, Ctr Mol Sci, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Feng, W,Zhang, TR,Liu, Y,et al. Sonochemical preparation of photochromic nanocomposite thin film based on polyoxometalates well dispersed in polyacrylamide[J]. JOURNAL OF SOLID STATE CHEMISTRY,2002,169(1):1-5.
APA Feng, W.,Zhang, TR.,Liu, Y.,Lu, R.,Zhao, YY.,...&Yao, JN.(2002).Sonochemical preparation of photochromic nanocomposite thin film based on polyoxometalates well dispersed in polyacrylamide.JOURNAL OF SOLID STATE CHEMISTRY,169(1),1-5.
MLA Feng, W,et al."Sonochemical preparation of photochromic nanocomposite thin film based on polyoxometalates well dispersed in polyacrylamide".JOURNAL OF SOLID STATE CHEMISTRY 169.1(2002):1-5.
Files in This Item:
There are no files associated with this item.
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Feng, W]'s Articles
[Zhang, TR]'s Articles
[Liu, Y]'s Articles
Baidu academic
Similar articles in Baidu academic
[Feng, W]'s Articles
[Zhang, TR]'s Articles
[Liu, Y]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Feng, W]'s Articles
[Zhang, TR]'s Articles
[Liu, Y]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.