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Enhanced visible-light-driven photocatalytic removal of NO: Effect onlayer distortion on g-C3N4 by H2 heating
Ho,WK(Ho,Wingkei)[1,3]; Zhang,ZZ(Zhang,Zizhong)[1,2]; Xu,MK(Xu,Mukun)[2]; Zhang,XW(Zhang,Xianwen)[2]; Wang,XX(Wang,Xuxu)[2]; Huang,Y(Huang,Yu)[3]
2015-12
发表期刊Applied Catalysis B: Environmental
卷号179期号:2015页码:106-112
文章类型期刊论文
摘要

We report a simple strategy for realizing the tunable structure distortion of graphitic carbon nitride (g-C3N4) layers by H2 post calcination to improve the intrinsic electronic structure and the photocatalytic performances of g-C3N4 samples. In comparison with the O2 or N2 post treatment, the H2-modified g-C3N4 develops new optical absorption above 460 nm and enhances photocatalytic activity for NO removal. The combined characterization results reveal that H2 heating induced the structure distortion of g-C3N4 layers is originated from the creation of amino groups within the structure and generation of the strong hydrogen bonding interactions between layers. The distorted structure allows n–π* electron transitions in g-C3N4 to increase visible-light absorption. The structure distortion also enables more electrons to be available for initiating the photocatalytic reaction and the separation of photogenerated charge carriers in g-C3N4. This work provides a simple strategy for realizing the tunable structure distortion of g-C3N4 layers to adjust its electronic structure and photocatalysis.

关键词G-c3n4 Layer Distortion H2 Heating No Removal Photocatalysis
DOI10.1016/j.apcatb.2015.05.010
收录类别SCI
语种英语
引用统计
被引频次:130[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/9464
专题粉尘与环境研究室
作者单位1.Department of Science and Environmental Studies, The Hong Kong Institute of Education, Hong Kong, China;
2.Research Institute Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou 350002, China;
3.Key Lab of Aerosol Chemistry & Physics and State Key Lab of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences,Xi’an 710075, China
推荐引用方式
GB/T 7714
Ho,WK,Zhang,ZZ,Xu,MK,et al. Enhanced visible-light-driven photocatalytic removal of NO: Effect onlayer distortion on g-C3N4 by H2 heating[J]. Applied Catalysis B: Environmental,2015,179(2015):106-112.
APA Ho,WK,Zhang,ZZ,Xu,MK,Zhang,XW,Wang,XX,&Huang,Y.(2015).Enhanced visible-light-driven photocatalytic removal of NO: Effect onlayer distortion on g-C3N4 by H2 heating.Applied Catalysis B: Environmental,179(2015),106-112.
MLA Ho,WK,et al."Enhanced visible-light-driven photocatalytic removal of NO: Effect onlayer distortion on g-C3N4 by H2 heating".Applied Catalysis B: Environmental 179.2015(2015):106-112.
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