Photocatalytic properties of Bi2O2CO3 nanosheets synthesized via a surfactant-assisted hydrothermal method

被引：26
|
作者：
Liang, H. Y. [1 ]
Yang, Y. X. [1 ]
Tang, J. C. [1 ]
Ge, M. [2 ]
机构：
[1] Nankai Univ, Coll Environm Sci & Engn, Tianjin 300071, Peoples R China
[2] Hebei United Univ, Coll Chem Engn, Tangshan 063009, Peoples R China
来源：
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING | 2013年 / 16卷 / 06期
关键词：
Bi2O2CO3; nanosheets; photodegradation; mechanism; BI2WO6; DEGRADATION; MICROSTRUCTURES; ELECTRODE; DYES;
D O I：
10.1016/j.mssp.2013.04.007
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Bi2O2CO3 nanosheets were synthesized via a facile sodium dodecyl sulfate (SDS)-assisted hydrothermal process. X-Ray diffraction (XRD), field-emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), Brunauer-Emmett-Teller (BET) surface area analysis and UV-Vis diffuse reflectance spectroscopy techniques were used to investigate the phase structure, morphology and optical properties of the Bi2O2CO3 products. The SDS surfactant played an important role in the formation of Bi2O2CO3 nanosheets. As-synthesized Bi2O2CO3 nanosheets exhibited excellent photocatalytic activity for RhB degradation under irradiation with simulated sunlight. O-2(center dot-) radicals are considered to be the dominant active oxygen species in the photodegradation process. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1650 / 1654
页数：5
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