ZnWO4-TiO2 composite nanofilms:: Preparation, morphology, structure and photoluminescent enhancement

被引：21

作者：

Jia, Run-Ping

Zhang, Guo-Xin

Wu, Qing-Sheng ^{[1
]}

Ding, Ya-Ping

机构：

[1] Tongji Univ, Dept Chem, Shanghai 200092, Peoples R China

[2] Shandong Univ, Dept Chem, Shanghai 200444, Peoples R China

来源：

MATERIALS LETTERS | 2007年 / 61卷 / 8-9期

基金：

中国国家自然科学基金;

关键词：

nanofilms; composite films; ZnWO4; TiO2; photoluminescent enhancement;

D O I：

10.1016/j.matlet.2006.07.134

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

ZnWO4-TiO2 composite nanofilms on a glass slide were prepared by means of the dip-coating method, in which collodion was used as a dispersant and film-forming agent. The nanofilms are characterized through SEM, XRD, TG/DTA, PL and IR, respectively. SEM and XRD characterization of these films indicated that ZnWO4 and TiO2 particles crystallized in a monoclinic wolframite-type structure and Anatase phase, respectively, and both of these were well dispersed in the nanofilms. Compared with nanoparticles, when TiO2 nanoparticles were added in 3.61% ratio, the PL intensities of ZnWO4 nanofilms were obviously enhanced. FTIR spectra further confirmed the presence of ZnWO4 on the nanofilms. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：1793 / 1797

页数：5

共 17 条

[1] Conversion of colloidal ZnO-WO3 heteroaggregates into strongly blue luminescing ZnWO4 xerogels and films [J].