Synthesis, Characterization, and Photocatalytic Activity of g-C3N4/KTaO3 Composites under Visible Light Irradiation

被引：13

作者：

Yong, Zhiqing ^{[1
,2
,3
]}

Ren, Jian ^{[1
,2
,3
]}

Hu, Huilin ^{[1
,2
]}

Li, Peng ^{[4
]}

Ouyang, Shuxin ^{[1
,2
,3
]}

Xu, Hua ^{[1
,2
,3
]}

Wang, Defa ^{[1
,2
,3
]}

机构：

[1] Tianjin Univ, Sch Mat Sci & Engn, TU NIMS Joint Res Ctr, Tianjin 300072, Peoples R China

[2] Tianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R China

[3] Collaborat Innovat Ctr Chem Sci & Engn Tianjin, Tianjin 300072, Peoples R China

[4] Natl Inst Mat Sci, Environm Remediat Mat Unit, Tsukuba, Ibaraki 3050044, Japan

来源：

JOURNAL OF NANOMATERIALS | 2015年 / 2015卷

关键词：

GRAPHITIC CARBON NITRIDE; HYDROGEN EVOLUTION; TANTALATE PHOTOCATALYSTS; HYDROTHERMAL SYNTHESIS; H-2; PHOTODEGRADATION; HETEROJUNCTIONS; POLYMER; ATAO(3); ACID;

D O I：

10.1155/2015/821986

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Novel graphitic carbon nitride/KTaO3 (g-C3N4 /KTaO3) nanocomposite photocatalysts have been successfully synthesized via a facile and simple ultrasonic dispersion method. Compared to either g-C3N4 or KTaO3, the composite photocatalysts show significantly increased photocatalytic activity for degradation of Rhodamine B (RhB) under visible light irradiation. The increased photocatalytic performance of the composite could be attributed to the enhanced photogenerated charge carrier separation capacity. Moreover, it is observed that center dot O-2(-) is the main active species in the photocatalytic degradation of RhB using the g-C3N4 /KTaO3 composite photocatalysts.

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页数：7

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