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题名:
A facile modification of g-C3N4 with enhanced photocatalytic activity for degradation of methylene blue
作者: Chang, Fei1; Xie, Yunchao1; Li, Chenlu1; Chen, Juan1; Luo, Jieru1; Hu, XueFeng(胡学锋)2; Shen, Jiaowen3
刊名: APPLIED SURFACE SCIENCE
ISSN号: 0169-4332
出版日期: 2013-09-01
卷号: 280, 页码:967-974
关键词: Graphitic carbon nitride ; Sodium nitrate ; Photocatalysis ; Methylene blue
学科分类: Chemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
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
中文摘要: 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.
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.
研究领域[WOS]: Chemistry ; Materials Science ; Physics
关键词[WOS]: VISIBLE-LIGHT IRRADIATION ; GRAPHITIC CARBON NITRIDE ; RHODAMINE-B ; WATER ; C3N4 ; PHOTODEGRADATION ; MORPHOLOGY ; CHEMISTRY ; CATALYST ; MELAMINE
文章类型: Article
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000321045700144
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.yic.ac.cn/handle/133337/6958
Appears in Collections:中科院海岸带环境过程与生态修复重点实验室_期刊论文

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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

Recommended Citation:
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.
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