Facile ion-exchange synthesis of BiOI/Bi2O2CO3 heterostructure for efficient photocatalytic activity under visible light irradiation

被引:25
作者
Liu, Cheng [1 ]
Chai, Bo [1 ]
机构
[1] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430023, Peoples R China
关键词
HETEROJUNCTION PHOTOCATALYSTS; HYDROTHERMAL SYNTHESIS; HIGHLY EFFICIENT; WASTE-WATER; BIOX X; PERFORMANCE; MICROSPHERES; NANOCOMPOSITES; CONSTRUCTION; FABRICATION;
D O I
10.1007/s10854-015-2683-2
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
The BiOI/Bi2O2CO3 heterostructural photocatalysts were synthesized by a facile ion-exchange route between Bi2O2CO3 precursor and KI with ultrasonic reaction. The as-prepared BiOI/Bi2O2CO3 heterostructures were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), high-resolution transmission electron microscopy (HRTEM), X-ray photoelectron spectroscopy (XPS), UV-Vis diffuse reflectance absorption spectra (DRS), fourier transform infrared spectroscopy (FTIR) and photoluminescence spectra (PL). The BiOI/Bi2O2CO3 heterostructures exhibited much higher photocatalytic activities than those of single Bi2O2CO3 and BiOI for the degradation of Rhodamine B (RhB) under visible light irradiation. The significantly enhanced photocatalytic activity of BiOI/Bi2O2CO3 heterostructures could be attributed to the formation of p-n heterojunction between p-type BiOI and n-type Bi2O2CO3, which effectively separated the photogenerated electron-hole pairs. The possible mechanism of BiOI/Bi2O2CO3 heterostructures as photocatalysts was proposed.
引用
收藏
页码:2296 / 2304
页数:9
相关论文
共 32 条
[1]   Facet Effect of Single-Crystalline Ag3PO4 Sub-microcrystals on Photocatalytic Properties [J].
Bi, Yingpu ;
Ouyang, Shuxin ;
Umezawa, Naoto ;
Cao, Junyu ;
Ye, Jinhua .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2011, 133 (17) :6490-6492
[2]   Facile synthesis of β-Bi2O3/Bi2O2CO3 nanocomposite with high visible-light photocatalytic activity [J].
Cai, Guiyu ;
Xu, Lingling ;
Wei, Bo ;
Che, Jixin ;
Gao, Hong ;
Sun, Wenjun .
MATERIALS LETTERS, 2014, 120 :1-4
[3]   In situ preparation of novel p-n junction photocatalyst BiOI/(BiO)2CO3 with enhanced visible light photocatalytic activity [J].
Cao, Jing ;
Li, Xin ;
Lin, Haili ;
Chen, Shifu ;
Fu, Xianliang .
JOURNAL OF HAZARDOUS MATERIALS, 2012, 239 :316-324
[4]   Novel BiOI/BiOBr heterojunction photocatalysts with enhanced visible light photocatalytic properties [J].
Cao, Jing ;
Xu, Benyan ;
Luo, Bangde ;
Lin, Haili ;
Chen, Shifu .
CATALYSIS COMMUNICATIONS, 2011, 13 (01) :63-68
[5]   Visible light photocatalytic performance of hierarchical BiOBr microspheres synthesized via a reactable ionic liquid [J].
Chai, Bo ;
Zhou, Huan ;
Zhang, Fen ;
Liao, Xiang ;
Ren, Meixia .
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING, 2014, 23 :151-158
[6]   BiOX (X = Cl, Br, I) photocatalysts prepared using NaBiO3 as the Bi source: Characterization and catalytic performance [J].
Chang, Xiaofeng ;
Huang, Jun ;
Cheng, Cheng ;
Sui, Qian ;
Sha, Wei ;
Ji, Guangbin ;
Deng, Shubo ;
Yu, Gang .
CATALYSIS COMMUNICATIONS, 2010, 11 (05) :460-464
[7]   Bi2O2CO3/BiOI Photocatalysts with Heterojunctions Highly Efficient for Visible-Light Treatment of Dye-Containing Wastewater [J].
Chen, Lang ;
Yin, Shuang-Feng ;
Luo, Sheng-Lian ;
Huang, Rui ;
Zhang, Qiang ;
Hong, Tao ;
Au, Peter C. T. .
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 2012, 51 (19) :6760-6768
[8]   In situ ion exchange synthesis of the novel Ag/AgBr/BiOBr hybrid with highly efficient decontamination of pollutants [J].
Cheng, Hefeng ;
Huang, Baibiao ;
Wang, Peng ;
Wang, Zeyan ;
Lou, Zaizhu ;
Wang, Junpeng ;
Qin, Xiaoyan ;
Zhang, Xiaoyang ;
Dai, Ying .
CHEMICAL COMMUNICATIONS, 2011, 47 (25) :7054-7056
[9]   Facile Template-Free Synthesis of Bi2O2CO3 Hierarchical Microflowers and Their Associated Photocatalytic Activity [J].
Cheng, Hefeng ;
Huang, Baibiao ;
Yang, Kesong ;
Wang, Zeyan ;
Qin, Xiaoyan ;
Zhang, Xiaoyang ;
Dai, Ying .
CHEMPHYSCHEM, 2010, 11 (10) :2167-2173
[10]   A New Approach for Photocorrosion In Inhibition of Ag2CO3 Photocatalyst with Highly Visible-Light-Responsive Reactivity [J].
Dai, Gaopeng ;
Yu, Jiaguo ;
Liu, Gang .
JOURNAL OF PHYSICAL CHEMISTRY C, 2012, 116 (29) :15519-15524