Synthesis, Characterization, and Photocatalytic Activity of Bi2O3

被引：0
|
作者：
黄磊 [1 ,2 ]
李莉萍 [1 ]
颜廷江 [1 ]
李广社 [1 ]
机构：
[1] State Key Laboratory of Structural Chemistry,Fujian Institute of Research on the Structure of Matter,Chinese Academy of Sciences
[2] Graduate School of Chinese Academy of Sciences
来源：
Chinese Journal of Structural Chemistry | 2009年 / 11期
关键词：
Bi2O3; photocatalysis; Bi2O2CO3; preparation;
D O I：
10.14102/j.cnki.0254-5861.2009.11.003
中图分类号：
O614.532 [];
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 α-Bi2O3 was formed. When changing the amount of NaOH and ammonia, mixed phases of α-Bi2O3, (BiO)4CO3(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 α-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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