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微波法合成的氮化碳光催化降解苯酚及其机理
作者:高续春1 2 代宏哲1 赵鹏3 刘恩周4 樊君4 
单位:1. 榆林学院化学与化工学院 陕西 榆林 719000 2. 陕西省洁净煤重点实验室 陕西 榆林 719000 3. 陕西北元化工集团有限公司 陕西 榆林 719319 4. 西北大学化学与化工学院 西安 710069 
关键词:石墨状氮化碳 光催化降解 苯酚 微波法 
分类号:TQ174.75
出版年,卷(期):页码:2017,45(10):0-0
DOI:
摘要:

 以微波法合成了石墨状氮化碳(g–C3N4)。采用X射线衍射、X射线光电子能谱及紫外–可见光谱、光致发光谱对g–C3N4的微观结构和光学性能进行了表征,以光催化降解苯酚反应为探针,研究了g–C3N4的光催化性能,并探讨了其降解苯酚的机理。结果表明:采用微波法制备的g–C3N4层状结构完整,光催化稳定活性高;对波长400~550 nm的可见光有明显的吸收,对苯酚降解率为75.4%。同时,H2O2的加入使苯酚溶液中产生更多·OH,苯酚的降解率提升至92.9%。

 
基金项目:
国家自然科学基金(21476183)项目;陕西省教育厅科学研究计划专项(15JK1846)项目。
作者简介:
高续春(1977—),女,博士,讲师。
参考文献:

 [1] WANG X C, MAEDA K, TAKANABE K, et al. A metal-free polymeric photocatalyst for hydrogen production from water under visible light[J]. Nat Mater, 2009, 8:76–80.

[2] BAI Y J, LU B, LIU Z G, et al. Solvothermal preparation of graphite-like C3N4nanocrystals[J]. J Cryst Growth, 2003, 247(3): 505–508.
[3] GUO Q, XIE Y, WANG X, et al. Synthesis of carbon nitride nanotubes with the C3N4 stoichiometry via a benzene-thermal process at low temperatures[J]. Chem Commun, 2004 (1): 26–27.
[4] ZHAO Z K, LIN J H, WANG G R, et al. Highly-ordered mesoporous carbon nitride with ultrahigh surface area and pore volume as a superior dehydrogenation[J]. Catal Chem Mater, 2014, 26(10): 3151–3161.
[5] WANG G Q, KUANG S, ZHANG J, et al. Graphitic carbon nitride/multiwalled carbon nanotubes composite as Pt-free counter electrode for high-efficiency dye-sensitizedsolar cells[J]. Electrochim Acta, 2016, 187(1): 243–248.
[6] OH Y T, LE V D, KIM Y H, et al. Selective and regenerative carbon dioxide capture by highly polarizing porous carbon nitride[J]. ACS Nano, 2015, 9(9): 9148–9157.
[7] DONTSOVA D, FETTKENHAUER C, ANTONIETTI M, et al. 1,2,4–triazole-based approach to noble metal free visible-light driven water splitting over carbon nitrides[J]. Chem Mater, 2016, 28(3): 772–778.
[8] CHEN S , WANG C,WANG C Y, et al. Enhancement of visible-light-
driven photocatalytic H2 evolution from water over g-C3N4 through combination with perylene diimide aggregates[J]. Appl Catal A: 2015, 498: 63–68.
[9] MA J, TAN X, YU T, et al. Fabrication of g-C3N4/TiO2 hierarchical spheres with reactive {001} TiO2 crystal facets and its visible-light photocatalytic activity[J]. Int J Hydrogen Energy, 2016, 41(6): 3877–3887.
[10] LIN H X, LIU Y X, DAI H X, et al. Graphitic carbon nitride-supported iron oxides: High-performance photocatalysts for the visible-light-driven degradation of 4–nitrophenol[J]. J Photochem Photobiol A, 2017, 336(1):105–114.
[11] WEI M Y, GAO L, XU A H, et al. Activation of peroxymonosulfate by graphitic carbon nitride loaded on activated carbon for organic pollutants degradation[J]. J Hazard Mater, 2016, 316(5):60–68.
[12] DAI H Z, GAO X C, FAN J, et al. Synthesis and characterization of graphitic carbon nitride submicro- spheres using microwave method under mild condition[J]. Diamond Relat Mater, 2013, 38:109–117.
[13] VINU A. Two-dimensional hexagonally-ordered mesoporous carbon nitrides with tunable pore diameter, surface area and nitrogen content[J]. Adv Funct Mater, 2008, 18(5): 816–827.
[14] NIU P, LIU G, CHENG H M. Nitrogen vacancy-promoted photocatalytic activity of graphitic carbon nitride[J]. The J Phys Chem C, 2012, 116(20): 11013–11018.
[15] 马旭莉, 梁镇海, 孙彦平. 电-Fenton反应降解苯酚及中间产物的高效液相色谱分析[J]. 太原理工大学学报, 2003, 34(4): 409–411.
MA Xuli, LIANG Zhenhai, SUN Yanping. J Taiyuan Univ Technol(in Chinese), 2003, 34(4): 409–411. 
[16] 林智虹, 董锦昱, 郑曦. 等. 电生成高铁酸盐及其对酚类废水处理机制的研究[J]. 福建师范大学学报, 2004, 20(3): 54–58.
LIN Zhihong, DONG Jinyu, ZHENG Xi. J Fujian Normal Univ: Nat Sci (in Chinese), 2004, 20(3): 54–58.
[17] 苗苗. 非常规技术合成铋系可见光催化剂及其性能研究[D]. 上海:上海师范大学. 2011. 
MIAO Miao. The visible catalyst of bismuth–based synthetized by unconventional technology and its performance(dissertation, in Chinese). Shanghai: Shanghai Normal University, 2011. 
[18] 吴景悦, 刘欣阳, 李乃瑄. 双配体仿酶催化剂的制备及其光催化降解水中对苯二酚[J]. 应用化学, 2014, 31(4):417–423.
WU Jingyue, LIU Xinyang, LI Naixuan. Chin J Appl Chem (in Chinese), 2014, 31(4):417–423.
[19] 王怡中, 胡春, 汤鸿霄. 在TiO2催化剂上苯酚光催化氧化反应研究[J]. 环境科学学报, 1998, 18(3): 260–264.
WANG Yizhong, HU Chun, TANG Hongxiao. Acta Sci Circum (in Chinese), 1998, 18(3): 260–264.
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