Synergistic effects of MoO2 nanosheets and graphene-like C3N4 for highly improved visible light photocatalytic activities

被引：36
|
作者：
Ji, Haiyan [1 ]
Fei, Ting [1 ]
Zhang, Lili [2 ]
Yan, Jia [1 ]
Fan, Yamin [1 ]
Huang, Jihua [1 ]
Song, Yanhua [3 ]
Man, Yuhong [4 ]
Tang, Hua [1 ]
Xu, Hui [1 ]
Li, Huaming [1 ]
机构：
[1] Jiangsu Univ, Inst Energy Res, Sch Mat Sci & Engn, Zhenjiang 212013, Peoples R China
[2] Huaiyin Normal Univ, Sch Chem & Chem Engn, Huaian 223300, Peoples R China
[3] Jiangsu Univ Sci & Technol, Sch Environm & Chem Engn, Zhenjiang 212003, Peoples R China
[4] Southwest Univ, Fac Mat & Energy, Chongqing 400715, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2018年 / 457卷
基金：
中国国家自然科学基金;
关键词：
Graphene-like C3N4; MoO2; nanosheets; Visible-light-driven; 2D/2D structure; Rhodamine B; HYDROGEN EVOLUTION; HETEROJUNCTION PHOTOCATALYSTS; PHOTOELECTROCHEMICAL ACTIVITY; HYDROTHERMAL SYNTHESIS; 2D/2D HETEROJUNCTION; MECHANISM INSIGHT; G-C3N4; NANOSHEETS; LITHIUM STORAGE; DOPED G-C3N4; DEGRADATION;
D O I：
10.1016/j.apsusc.2018.06.134
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A novel molybdenum dioxide nanosheet/graphene-like carbon nitride (MoO2/GL-C3N4) composite was fabricated by facile solvothermal process. The new-type 2D/2D structured GL-C3N4-based hybrid with compact interfacial contact distinctly showed high and stable performance for the degradation of Rhodamine B (RhB) under visible light irradiation. Meanwhile, sufficient interfaces, plentiful intrinsic active sites and shortened path of electron transport can be provided, which play a vital role in improving separation efficiency of hole-electron pairs, triggering promotional photocatalytic performance of GL-C3N4. Notably, MoO2/GL-C3N4 composites with 2% MoO2 exhibited the highest photocatalytic activity, approximately 4.2 times as high as monomer GL-C3N4. It was the remarkable synergistic effect of Mo-N chemical bond between MoO2 nanosheets and GL-C3N4 that highly improved the visible light photocatalytic activity of hybrids for RhB decomposition.
引用
收藏
页码：1142 / 1150
页数：9
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