Synthesis, Characterization, and Photocatalytic Activity of Bi2O3

被引：0
|
作者：
Huang Lei [1 ,2 ]
Li Li-Ping [1 ]
Yan Ting-Jiang [1 ]
Li Guang-She [1 ]
机构：
[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
来源：
CHINESE JOURNAL OF STRUCTURAL CHEMISTRY | 2009年 / 28卷 / 11期
关键词：
Bi2O3; photocatalysis; Bi2O2CO3; preparation; BISMUTH OXIDE NANOPARTICLES; THIN-FILMS; DEGRADATION; CATALYST; TIO2; ZNO; EPR;
D O I：
暂无
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A series of Bi2O3 were prepared by a facile hydrothermal method using NaOH and ammonia as the mineralizers. The products were characterized by XRD, IR, UV-vis diffuse reflectance spectra, and photodegradation of Rhodamine B dye. Simply using NaOH to supply a strong base condition, single phase alpha-Bi2O3 was formed. When changing the amount of NaOH and ammonia, mixed phases of alpha-Bi2O3, (BiO)(4)CO3(OH)(2) and Bi2O2CO3 were obtained. All samples were found to show photocatalytic activities towards the degradation of Rhodamine B dye under UV light irradiation, in which mixed phase samples showed higher activities than single phase alpha-Bi2O3 possibly owing to the synergistic effect of the mixed phases.
引用
收藏
页码：1458 / 1464
页数：7
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