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石墨相氮化碳的制备及光催化降解罗丹明B

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党聪哲, 李一兵, 赵旭. 石墨相氮化碳的制备及光催化降解罗丹明B[J]. 环境工程学报, 2018, 12(2): 427-433. doi: 10.12030/j.cjee.201708043
引用本文: 党聪哲, 李一兵, 赵旭. 石墨相氮化碳的制备及光催化降解罗丹明B[J]. 环境工程学报, 2018, 12(2): 427-433. doi: 10.12030/j.cjee.201708043
shu
DANG Congzhe, LI Yibing, ZHAO Xu. Preparation of graphite carbon nitride for photocatalytic degradation of RhB[J]. Chinese Journal of Environmental Engineering, 2018, 12(2): 427-433. doi: 10.12030/j.cjee.201708043
Citation: DANG Congzhe, LI Yibing, ZHAO Xu. Preparation of graphite carbon nitride for photocatalytic degradation of RhB[J]. Chinese Journal of Environmental Engineering, 2018, 12(2): 427-433. doi: 10.12030/j.cjee.201708043
shu

石墨相氮化碳的制备及光催化降解罗丹明B

  • 1.

    河北工业大学土木与交通学院,天津 300401

  • 2.

    中国科学院生态环境研究中心环境水质学国家重点实验室,北京 100085

  • 基金项目:

    国家自然科学基金优秀青年基金资助项目(51222802)

Preparation of graphite carbon nitride for photocatalytic degradation of RhB

  • 1.

    School of Civil and Transportation, Hebei University of Technology, Tianjin 300401, China

  • 2.

    Key Laboratory of Aquatic Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China

  • Fund Project:

  • 摘要: 研究了不同前驱体组合对制备光催化剂的影响,通过X-射线衍射分析、红外光谱分析、氮气吸附-脱附等温曲线、光学性质分析和紫外-可见漫反射等方法,对光催化剂性质进行表征。结果表明:以质量比为1∶1的C2H4N4/CON2H4组合前驱体制备的光催化剂表现出结晶度好、光生载流子分离效率高、催化剂性能稳定等特点；C2H4N4/CON2H4组合前驱体制备的g-C3N4光催化反应180 min后对RhB的去除率最高；通过添加异丙醇、苯醌和EDTA对光催化过程中产生的活性物质进行分析发现,超氧自由基和空穴是降解RhB的主要活性物质。
    Abstract: Different combinations of precursors were used to synthesis the photocatalyst in this experiment. The characteristics of photocatalysts were investigated by X-ray diffraction, fourier transform infrared, N2 adsorption-desorption isotherm, photoluminescence and UV-vis diffuse reflection spectroscopy. Comparing the photocatalysts generated by different combinations of the precursors, the photocatalyst prepared by C2H4N4/CON2H4 precursors at the mass ratio of 1∶1 showed good crystalline, high separation of photogenerated electrons and holes, and good stability. The removal efficiency of RhB with g-C3N4 prepared by C2H4N4/CON2H4 precursors was the highest after 180 min photocatalytic reaction. The main oxidative species for photocatalytic degradation of RhB were also detected by adding IPA, BQ and EDTA. The result suggested that the ·O-2 and holes were mainly responsible for the degradation of RhB.
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  • [1] TOORU I, AKIRA F, SATOSHI K, et al.Photoelectrocatalytic reduction of carbon dioxide in aqueous suspensions of semiconductor powders[J].Nature,1972,7:637-638
    [2] XU D F, HAI Y, ZHANG X C, et al.Bi2O3 cocatalyst improving photocatalytic hydrogen evolution performance of TiO2[J].Applied Surface Science,2017,0:530-536
    [3] WANG X J, SONG J K, HUANG J Y, et al.Activated carbon-based magnetic TiO2 photocatalyst codoped with iodine and nitrogen for organic pollution degradation[J].Applied Surface Science,2016,0:190-201
    [4] GEORGE R, BAHADUR N, SINGH N, et al.Environmentally benign TiO2 nanomaterials for removal of heavy metal ions with interfering ions present in tap[J].Materials Today Proceedings,2016,3(2):162-166
    [5] PICHAT P, DISDIER J, HOANG-VAN C, et al.Purification/deodorization of indoor air and gaseous effluents by TiO2 photocatalysis[J].Catalysis Today,2000,3(2/3/4):363-369
    [6] ZHANG L, GAO Q, HAN Y.Zn and Ag Co-doped anti-microbial TiO2 coatings on Ti by micro-arc oxidation[J].Journal of Materials Science & Technology,2016,2(9):919-924
    [7] SAMOKHVALOV A.Hydrogen by photocatalysis with nitrogen codoped titanium dioxide[J].Renewable and Sustainable Energy Reviews,2017,2:981-1000
    [8] CHOW K L, MAN Y B, TAM N F Y, et al.Removal of decabromodiphenyl ether (BDE-209) using a combined system involving TiO2 photocatalysis and wetland plants[J].Journal of Hazardous Materials,2017,2:263-269
    [9] CHENG G, XU F F, XIONG J Y, et al.A novel protocol to design TiO2-Fe2O3 hybrids with effective charge separation efficiency for improved photocatalysis[J].Advanced Powder Technology,2017,8(2):665-670
    [10] LIU H H, CHEN D L, WANG Z Q, et al.Microwave-assisted molten-salt rapid synthesis of isotype triazine-/heptazine based g-C3N4 heterojunctions with highly enhanced photocatalytic hydrogen evolution performance[J].Applied Catalysis B: Environmental,2017,3:300-313
    [11] MIAO J L, XU G Q, LIU J Q, et al.Synthesis and photocatalytic performance of g-C3N4 nanosheets via liquid phase stripping[J].Journal of Solid State Chemistry,2017,6:186-193
    [12] ZIMMERMAN J L, WILLIAMS R, KHABASHESKU V N, et al.Preparation of sphere-shaped nanoscale carbon nitride polymer[J].Russian Chemical Bulletin,2001,0(11):2020-2027
    [13] ZHANG J, CHEN X, TAKANABE K, et al.Synthesis of a carbon nitride structure for visible-light catalysis by copolymerization[J].Angewandte Chemie,2010,9(2):441-444
    [14] GU Y, CHEN L, SHI L, et al.Synthesis of C3N4 and graphite by reacting cyanuric chloride with calcium cyanamide[J].Carbon,2003,1(13):2674-2676
    [15] ZHU Z, TANG X, MA C C, et al.Fabrication of conductive and high-dispersed Ppy@Ag/g-C3N4 composite photocatalysts for removing various pollutants in water[J].Applied Surface Science,2016,7:366-374
    [16] YUAN X Y, LI W Y.Graphitic-C3N4 modified ZnAl-layered double hydroxides for enhanced photocatalytic removal of organic dye[J].Applied Clay Science,2017,8:107-113
    [17] LIU Q, CHEN T X, GUO Y R.Grafting Fe(Ⅲ) species on carbon nanodots/Fe-doped g-C3N4 via interfacial charge transfer effect for highly improved photocatalytic performance[J].Applied Catalysis B: Environmental,2017,5:173-181
    [18] LIU L, MA D, ZHENG H, et al.Synthesis and characterization of microporous carbon nitride[J].Microporous and Mesoporous Materials,2008,0(2):216-222
    [19] XING W N, LI C M, CHEN G, et al.Incorporating a novel metal-free interlayer into g-C3N4 framework for efficiency enhanced photocatalytic H2 evolution activity[J].Applied Catalysis B: Environmental,2017,3:65-71
    [20] YANG H, LV K L, ZhU J J, et al.Effect of mesoporous g-C3N4 substrate on catalytic oxidation of CO over Co3O4[J].Applied Surface Science,2017,1:333-340
    [21] ZHANG Y, GONG H H, LI G X, et al.Synthesis of graphitic carbon nitride by heating mixture of urea and thiourea for enhanced photocatalytic H2 production from water under visible light[J].International Journal of Hydrogen Energy,2017,2(1):143-151
    [22] YANG X L, QIAN F F, ZOU G J, et al.Facile fabrication of acidified g-C3N4/g-C3N4 hybrids with enhanced photocatalysis performance under visible light irradiation[J].Applied Catalysis B: Environmental,2016,3:22-35
    [23] HU W D, YU J X, JIANG X L, Enhanced photocatalytic activity of g-C3N4 via modification of NiMoO4 nanorods[J].Colloids and Surfaces A: Physicochemical and Engineering Aspects,2017,4:98-106
    [24] SENTHIL R A, THEERTHAGIRI J, SELVI A, et al.Synthesis and characterization of low-cost g-C3N4/TiO2 composite with enhanced photocatalytic performance under visible-light irradiation[J].Optical Materials,2017,4:533-539
    [25] LONGBO J, XING Z Y, YANG P, et al.Doping of graphitic carbon nitride for photocatalysis:A review[J].Applied Catalysis B:Environmental,2017,7:388-406
    [26] LIU Y, YUAN X Z, WANG H, et al.Solvothermal synthesis of graphene/BiOC l0.75Br0.25 microspheres with excellent visible-light photocatalytic activity[J].RSC Advances,2015,5(42):33696-33704
    [27] ZHANG Y L, XIE C R, GU F L, et al.Significant visible-light photocatalytic enhancement in rhodamine B degradation of silver orthophosphate via the hybridization of N-doped graphene and poly(3-hexylthiophene)[J].Journal of Hazardous Materials,2016,5:23-34
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  • 刊出日期:  2018-02-08

石墨相氮化碳的制备及光催化降解罗丹明B

  • 1. 河北工业大学土木与交通学院,天津 300401
  • 2. 中国科学院生态环境研究中心环境水质学国家重点实验室,北京 100085
基金项目:

国家自然科学基金优秀青年基金资助项目(51222802)

摘要: 研究了不同前驱体组合对制备光催化剂的影响,通过X-射线衍射分析、红外光谱分析、氮气吸附-脱附等温曲线、光学性质分析和紫外-可见漫反射等方法,对光催化剂性质进行表征。结果表明:以质量比为1∶1的C2H4N4/CON2H4组合前驱体制备的光催化剂表现出结晶度好、光生载流子分离效率高、催化剂性能稳定等特点；C2H4N4/CON2H4组合前驱体制备的g-C3N4光催化反应180 min后对RhB的去除率最高；通过添加异丙醇、苯醌和EDTA对光催化过程中产生的活性物质进行分析发现,超氧自由基和空穴是降解RhB的主要活性物质。

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