Fabrication of Cs2.5H0.5PW12O40 three-dimensional ordered film by colloidal crystal template

被引：5
|
作者：
Chai, Fang [1 ,2 ]
Li, Dongliu [1 ]
Wu, Hongbo [1 ,2 ]
Zhang, Chunli [1 ]
Wang, Xiaohong [1 ]
机构：
[1] NE Normal Univ, Key Lab Polyoxometalate Sci Minister Educ, Changchun 130024, Peoples R China
[2] Harbin Normal Univ, Dept Chem, Harbin 150500, Peoples R China
来源：
JOURNAL OF SOLID STATE CHEMISTRY | 2009年 / 182卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Polyoxometalate; Colloidal crystal; Template; Photonic band gap; SURFACTANT-ENCAPSULATED POLYOXOMETALATE; PHOTONIC CRYSTALS; SPONTANEOUS EMISSION; SILICA; ARCHITECTURES; PARTICLES; SPHERES; SALTS;
D O I：
10.1016/j.jssc.2009.03.035
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A three-dimensional ordered polyoxometalate periodic film was synthesized using dodecatungstophosphoric acid (H3PW12O40) and Cs2CO3 as precursors and colloidal crystals as templates by an inverse opal method. The samples were characterized by elemental analysis, XRD, IR spectra, UV-Vis diffuse reflectance spectra (DR-UV-Vis) and SEM techniques. This arrayed film constructed by pure cesium salt of dodecatungstophosphoric acid Cs2.5H0.5PW12O40 nanoparticles shows well-defined lamellar array with inverse opal structure, which exhibits a well-defined photonic band gap. (C) 2009 Elsevier Inc. All rights reserved.
引用
收藏
页码：1661 / 1665
页数：5
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