Construction of a well-dispersed Ag/graphene-like g-C3N4 photocatalyst and enhanced visible light photocatalytic activity

被引：155

作者：

Li, Hao ^{[1
]}

Jing, Yue ^{[1
]}

Ma, Xinlong ^{[1
]}

Liu, Tongyao ^{[1
]}

Yang, Linfeng ^{[1
]}

Liu, Bin ^{[1
]}

Yin, Shu ^{[2
]}

Wei, Yongzhi ^{[1
]}

Wang, Yuhua ^{[1
]}

机构：

[1] Lanzhou Univ, Sch Phys Sci & Technol, Dept Mat Sci, Lanzhou 730000, Peoples R China

[2] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Aoba Ku, 2-1-1 Katahira, Sendai, Miyagi, Japan

来源：

RSC ADVANCES | 2017年 / 7卷 / 14期

关键词：

GRAPHITIC CARBON NITRIDE; ELECTRONIC-STRUCTURE; HYDROGEN-PRODUCTION; GRAPHENE; NANOCOMPOSITES; PERFORMANCE; CONVERSION; NANOSHEETS; CATALYSTS; STRATEGY;

D O I：

10.1039/c6ra26498k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In order to overcome the intrinsic drawback of pristine g-C3N4, we demonstrate a simple thermal oxidation exfoliation-photodeposition technique to fabricate a Ag/graphene-like g-C3N4 (Ag/G-g-C3N4) photocatalyst. It was revealed that the monodispersed Ag nanoparticles were well dispersed on the surface of graphene-like g-C3N4 (G-g-C3N4). The Ag/G-g-C3N4 displayed an enhanced photocatalytic activity for methylene blue degradation and the degradation rate was 10 times higher than that of pristine g-C3N4 under visible light irradiation. The enhancement of photocatalytic activity could be attributed to the surface plasmon resonance effect of Ag and large surface area (189.9 m(2) g(-1)) of G-g-C3N4, which improve the visible light absorption ability and provide abundant reactive sites as well as promoting photogenerated electron-hole pair separation.

引用

页码：8688 / 8693

页数：6

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