BiVO4 as a Visible-Light Photocatalyst Prepared by Ultrasonic Spray Pyrolysis

被引：205
|
作者：
Dunkle, Scott S. [1 ]
Helmich, Richard J. [1 ]
Suslick, Kenneth S. [1 ]
机构：
[1] Univ Illinois, Sch Chem Sci, Urbana, IL 61801 USA
来源：
JOURNAL OF PHYSICAL CHEMISTRY C | 2009年 / 113卷 / 28期
关键词：
SOLAR-ENERGY CONVERSION; RECENT PROGRESS; WATER; PARTICLES; O-2; NANOPARTICLES; DECOMPOSITION; CRYSTAL; IRRADIATION; MECHANISM;
D O I：
10.1021/jp903757x
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
BiVO4 powders with unique particle architectures have been synthesized using ultrasonic spray pyrolysis (USP). Gases created from the evaporation of solvent and the decomposition of precursor materials shape the morphology of the particles as the solids are formed in the heated aerosol. The BiVO4 powder was tested as oxygen evolving photocatalysts by monitoring the kinetics of O-2 formation from a AgNO3 solution irradiated with lambda > 400 nm light. USP prepared BiVO4 was found to have significantly superior photocatalytic activity compared to commercial BiVO4 and WO3, likely due to differences in particle morphology.
引用
收藏
页码：11980 / 11983
页数：4
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