Facile synthesis organic-inorganic heterojunctions of HSbO3/g-C3N4 as efficient visible-light-driven photocatalyst for organic degradation

被引：28
|
作者：
Wen, Changlan [1 ]
Zhang, Haitao [1 ]
Bo, Qibing [1 ]
Huang, Taizhong [1 ]
Lu, Zhengliang [1 ]
Lv, Jingmei [1 ]
Wang, Yue [1 ]
机构：
[1] Univ Jinan, Sch Chem & Chem Engn, Jinan 250022, Peoples R China
来源：
CHEMICAL ENGINEERING JOURNAL | 2015年 / 270卷
基金：
中国国家自然科学基金;
关键词：
Heterojunction; Semiconductor photocatalyst; g-C3N4; HSbO3; COMPOSITE PHOTOCATALYSTS; HYDROGEN EVOLUTION; HYDROTHERMAL SYNTHESIS; HIGHLY EFFICIENT; G-C3N4; FABRICATION; PERFORMANCE; POLLUTANTS; NANOSHEETS;
D O I：
10.1016/j.cej.2015.01.082
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Novel HSbO3/graphitic carbon nitride (HSbO3/g-C3N4) heterojunction photocatalysts were synthesized via a simple method. The prepared HSbO3/g-C3N4 samples were characterized by X-ray powder diffraction (XRD), transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HRTEM), ultraviolet-visible diffuse reflection spectroscopy (DRS) and photoluminescence spectroscopy (PL). The photocatalytic activity of as-synthesized samples was evaluated by degrading Rhodamine B (RhB) in aqueous solution under visible-light irradiation. All the HSbO3/g-C3N4 heterojunction photocatalysts showed much higher visible-light photocatalytic activity than those of pure g-C3N4, HSbO3 for the degradation of RhB. The enhanced photocatalytic activity is mainly ascribed to the enhancement of electron-hole separations at the interface of the two semiconductors. This study offers a new class of highly efficient and promising heterojunction photocatalysts. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：405 / 410
页数：6
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