Synthesis and Photocatalytic Properties of ZnWO4 Nanocrystals via a Fast Microwave-Assisted Method

被引：34
作者：
Yan, Jing [1 ]
Shen, Yanhua [1 ]
Li, Feng [1 ]
Li, Taohai [1 ]
机构：
[1] Xiangtan Univ, Coll Chem, Minist Educ, Key Lab Environm Friendly Chem & Applicat, Xiangtan 411105, Peoples R China
来源：
SCIENTIFIC WORLD JOURNAL | 2013年
关键词：
METAL TUNGSTATES; NANOSIZED BI2WO6; FABRICATION; PHOTOLUMINESCENCE; LUMINESCENCE; DEGRADATION; POWDERS; CD;
D O I：
10.1155/2013/458106
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
High crystallinity of ZnWO4 nanoparticles has been successfully synthesized via a highly effective and environmentally friendly microwave route by controlling the reaction time and temperature. The products were characterized by X-ray powder diffraction (XRD), transmission electron microscopy (TEM), and Fourier infrared spectrum (FT-IR). The crystallinity was enhanced with the increase of the reaction temperature and time. The photocatalytic activities of ZnWO4 nanocrystals were evaluated by testing the photodegradation of rhodamine B (RhB) dye under ultraviolet (UV) light irradiation. The results indicated that as-prepared ZnWO4 w as highly effective for the degradation of RhB. The degradation rate of RhB reached 98.01% after 6 h of UV illumination.
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页数：8
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