Reflux Preparation and Photocatalytic Performance of Bismuth Phosphate Nanorods

被引：24
|
作者：
Zhu Yan-Yan [1 ,2 ]
Liu Yan-Fang [1 ]
Lu Yan-Hui [1 ]
Wang Hua [2 ]
Ling Qiang [2 ]
Zhu Yong-Fa [1 ]
机构：
[1] Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R China
[2] Equipment Acad AF, Inst Aeronaut Meteorol & Chem Def, Beijing 100085, Peoples R China
来源：
ACTA PHYSICO-CHIMICA SINICA | 2013年 / 29卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Refluxing method; Controllable synthesis; Bismuth phosphate; Mixed crystal structure; Photocatalysis; DEGRADATION; PHOTODEGRADATION; NANOPARTICLES; TEMPERATURE; TITANIA; POWDER; BI2WO6;
D O I：
10.3866/PKU.WHXB201301043
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：
BiPO4 nanorods were synthesized by reflux, and the effect of reaction time, reactant ratio and concentration, and pH value on BiPO4 crystal structure and morphology was investigated. Nanorods were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), specific surface area analysis (BET), and UV-Vis diffuse reflectance spectroscopy (UV-Vis DRS). The ability of BiPO4 to photo-degrade methylene blue (MB) was investigated. The reaction time and reactant concentration influenced the product morphology. The reactant ratio and pH value had a large effect on the product crystal structure and morphology, and also on the photo-activity of BiPO4. Highly UV active BiPO4 nanorods of monoclinic monazite/hexagonal mixed crystal structure suitable for photocatalysis could be prepared by carefully controlling the above conditions.
引用
收藏
页码：576 / 584
页数：9
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