A facile modification of g-C3N4 with enhanced photocatalytic activity for degradation of methylene blue
Chang, Fei1; Xie, Yunchao1; Li, Chenlu1; Chen, Juan1; Luo, Jieru1; Hu, Xuefeng2; Shen, Jiaowen3
发表期刊APPLIED SURFACE SCIENCE
ISSN0169-4332
2013-09-01
卷号280页码:967-974
关键词Graphitic Carbon Nitride Sodium Nitrate Photocatalysis Methylene Blue
产权排序[Chang, Fei; Xie, Yunchao; Li, Chenlu; Chen, Juan; Luo, Jieru] Shanghai Univ Sci & Technol, Sch Environm & Architecture, Shanghai 200093, Peoples R China; [Hu, Xuefeng] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc & Ecol Remedia, Yantai 264003, Shandong, Peoples R China; [Shen, Jiaowen] Shanghai Second Polytech Univ, Sch Urban Dev & Environm Engn, Shanghai 201209, Peoples R China
通讯作者Chang, F (reprint author), Shanghai Univ Sci & Technol, Sch Environm & Architecture, Shanghai 200093, Peoples R China. feichang@usst.edu.cn ; xfhu@yic.ac.cn
英文摘要In this investigation, a facile modification of g-C3N4 through co-pyrolysis of melamine and sodium nitrate or potassium nitrate was reported and the as-synthesized samples were characterized by a collection of techniques, such as X-ray diffraction, scanning electron microscopy, transmission electron microscopy, UV-vis diffuse reflectance spectroscopy, nitrogen adsorption-desorption, X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy, and elemental analysis. Based upon the analysis, we speculated that the g-C3N4 framework was partially destroyed to produce cyano-containing fragments, which resulted into the variation of physical and optical properties, further affecting the adsorption and photocatalytic performance of g-C3N4 on the dye methylene blue. Furthermore, we found that nitrate anions rather than sodium or potassium ions had important effect on the structure and photocatalytic performance of g-C3N4. In addition, the photocatalysis mechanism and reusability test were also investigated and discussed in the study. (C) 2013 Elsevier B.V. All rights reserved.; In this investigation, a facile modification of g-C3N4 through co-pyrolysis of melamine and sodium nitrate or potassium nitrate was reported and the as-synthesized samples were characterized by a collection of techniques, such as X-ray diffraction, scanning electron microscopy, transmission electron microscopy, UV-vis diffuse reflectance spectroscopy, nitrogen adsorption-desorption, X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy, and elemental analysis. Based upon the analysis, we speculated that the g-C3N4 framework was partially destroyed to produce cyano-containing fragments, which resulted into the variation of physical and optical properties, further affecting the adsorption and photocatalytic performance of g-C3N4 on the dye methylene blue. Furthermore, we found that nitrate anions rather than sodium or potassium ions had important effect on the structure and photocatalytic performance of g-C3N4. In addition, the photocatalysis mechanism and reusability test were also investigated and discussed in the study. (C) 2013 Elsevier B.V. All rights reserved.
文章类型Article
资助机构National Natural Science Foundation of China [21207089, 41076040, 20807036]; Innovation Program of Shanghai Municipal Education Commission [11YZ113]; SRF for ROCS; SEM.; Training Program for Young Teachers in Shanghai Colleges and Universities [egd11008]
收录类别SCI
语种英语
关键词[WOS]VISIBLE-LIGHT IRRADIATION ; GRAPHITIC CARBON NITRIDE ; RHODAMINE-B ; WATER ; C3N4 ; PHOTODEGRADATION ; MORPHOLOGY ; CHEMISTRY ; CATALYST ; MELAMINE
研究领域[WOS]Chemistry ; Materials Science ; Physics
WOS记录号WOS:000321045700144
引用统计
被引频次:168[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/6958
专题中国科学院海岸带环境过程与生态修复重点实验室
作者单位1.Shanghai Univ Sci & Technol, Sch Environm & Architecture, Shanghai 200093, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc & Ecol Remedia, Yantai 264003, Shandong, Peoples R China
3.Shanghai Second Polytech Univ, Sch Urban Dev & Environm Engn, Shanghai 201209, Peoples R China
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Chang, Fei,Xie, Yunchao,Li, Chenlu,et al. A facile modification of g-C3N4 with enhanced photocatalytic activity for degradation of methylene blue[J]. APPLIED SURFACE SCIENCE,2013,280:967-974.
APA Chang, Fei.,Xie, Yunchao.,Li, Chenlu.,Chen, Juan.,Luo, Jieru.,...&Shen, Jiaowen.(2013).A facile modification of g-C3N4 with enhanced photocatalytic activity for degradation of methylene blue.APPLIED SURFACE SCIENCE,280,967-974.
MLA Chang, Fei,et al."A facile modification of g-C3N4 with enhanced photocatalytic activity for degradation of methylene blue".APPLIED SURFACE SCIENCE 280(2013):967-974.
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