ICCAS OpenIR
Self-assembled 18-molybdophosphate/dioctadecyldimethylammonium composite superlattice thin films with photochromic properties
Zhang, TR; Feng, W; Lu, R; Bao, CY; Zhang, XT; Li, TJ; Zhao, YY; Yao, JN
2003-02-03
Source PublicationMATERIALS CHEMISTRY AND PHYSICS
ISSN0254-0584
Volume78Issue:1Pages:116-121
AbstractA self-assembled layered superlattice composite film was fabricated by casting the chloroform solutions of ionic complex between dioctadecyldimethylammonium (DODA) and 18-molybdophosphate anion (P2Mo186-) onto CaF2, borosilicate glass, and quartz substrates. Infrared and UV spectra revealed that the Dawson structure characteristic of P2Mo186- was preserved in the composite film. A well-ordered superlattice structure was identified by X-ray diffraction (XRD). From XRD results and the cross-sectional area of DODA cation and P2Mo18 polyanion, a possible structural model was proposed. The P2Mo18/DODA film showed good photochromic properties. Irradiated with UV light, the transparent film changed from light yellow to blue. Then, bleaching occurred when the film was in contact with ambient air or O-2 in the dark. A possible photochromic mechanism was proposed according to electron spin resonance (ESR), Fourier transform infrared (FTIR) spectra, and UV-Vis spectra. (C) 2002 Elsevier Science B.V. All rights reserved.
Keyword18-molybdophosphoric Acid Photochromic Superlattice Self-assembly
Indexed BySCI
Language英语
WOS IDWOS:000179262700021
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/80998
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. Self-assembled 18-molybdophosphate/dioctadecyldimethylammonium composite superlattice thin films with photochromic properties[J]. MATERIALS CHEMISTRY AND PHYSICS,2003,78(1):116-121.
APA Zhang, TR.,Feng, W.,Lu, R.,Bao, CY.,Zhang, XT.,...&Yao, JN.(2003).Self-assembled 18-molybdophosphate/dioctadecyldimethylammonium composite superlattice thin films with photochromic properties.MATERIALS CHEMISTRY AND PHYSICS,78(1),116-121.
MLA Zhang, TR,et al."Self-assembled 18-molybdophosphate/dioctadecyldimethylammonium composite superlattice thin films with photochromic properties".MATERIALS CHEMISTRY AND PHYSICS 78.1(2003):116-121.
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