Facile synthesis of Zn(II)-doped g-C3N4 and their enhanced photocatalytic activity under visible light irradiation

被引：59
|
作者：
Wang, Zhao-Tian [1 ]
Xu, Jun-Li [1 ]
Zhou, Hui [1 ]
Zhang, Xia [1 ]
机构：
[1] Northeastern Univ, Coll Sci, Shenyang 110004, Liaoning, Peoples R China
来源：
RARE METALS | 2019年 / 38卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Zn(II) dope; g-C3N4; Visible light irradiation; Photodegradation; Photocatalytic stability; GRAPHITIC CARBON NITRIDE; DOPED G-C3N4; THERMAL-DECOMPOSITION; HYDROGEN EVOLUTION; PERFORMANCE; PHOTODEGRADATION; HETEROJUNCTION; NANOSHEETS; DRIVEN; HETEROSTRUCTURES;
D O I：
10.1007/s12598-019-01222-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Zn(II)-doped graphitic carbon nitride (g-C3N4) with high photodegradation activity was prepared by one facile step. The morphology and structure of the prepared Zn(II)-doped g-C3N4 were investigated, and the results showed that Zn(II) could self-disperse during the pyrolysis process and Zn-N bond was formed between g-C3N4 and Zn. The dope of Zn(II) influenced the structure of g-C3N4. The performance of photocatalytic activity of Zn(II)-doped g-C3N4 series indicated that the doped g-C3N4 with a small quantity of Zn (0.10wt%) exhibits the best photocatalytic performance. The photodegradation activity for methyl orange was 2 times higher than that of pure g-C3N4. However, the photocatalytic activity decreased with the further increased content of Zn, which may be attributed to the structure change of g-C3N4 and the interaction of Zn-N bond between Zn and g-C3N4. Moreover, Zn(II)-doped g-C3N4 showed good recycling photocatalytic stability.
引用
收藏
页码：459 / 467
页数：9
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