Photocatalytic degradation of bisphenol A using O-doped dual g-C3N4 under visible light irradiation

被引:4
|
作者
Tateishi, Ikki [1 ]
Furukawa, Mai [2 ]
Katsumata, Hideyuki [2 ]
Kaneco, Satoshi [1 ,2 ]
机构
[1] Mie Univ, Mie Global Environm Ctr Educ & Res, Tsu, Mie 5148507, Japan
[2] Mie Univ, Grad Sch Engn, Dept Chem Mat, Tsu, Mie 5148507, Japan
关键词
Photocatalysis; Photocatalytic degradation; Visible light; Bisphenol A; CARBON NITRIDE; BAND-STRUCTURE; AQUEOUS-MEDIA; NANOSHEETS; HETEROJUNCTION; REDUCTION; OXYGEN; NANOCOMPOSITES; CONSTRUCTION; H-2;
D O I
10.1016/j.cattod.2022.08.019
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Oxygen-doped dual precursor carbon nitride (CN-U10.3M1.7 + AF5) with ammonium formate (AF), which has both characteristics of melamine-derived carbon nitride (CN-M) and urea-derived carbon nitride (CN-U) was prepared by simple one-step heat treatment. CN-U10.3M1.7 + AF5 promotes electron-hole pair separation, controls the bandgap energy, and increases the surface area. The bandgap is controlled from 3.0 to 1.5 eV. The separation of photogenerated electron-hole pairs was efficiently promoted. The surface area was controlled from 11.6 to 91.3 m2 / g. The CN-M / CN-U photocatalyst decomposed about 20% of 5 ppm bisphenol A (BPA) in 90 min under visible light (lambda >= 420 nm). This result is higher than when only CN-M (10%) and CN-U (15%) are used. In addition, oxygen doping significantly improves the photocatalytic activity of CN-M, CN-U, and CN-M / CN-U. The photocatalytic activity of the optimized oxygen-doped CN-M / CN-U showed a degradation efficiency of 75% in 90 min.
引用
收藏
页数:7
相关论文
共 50 条
  • [1] Persulfate enhanced photocatalytic degradation of bisphenol A by g-C3N4 nanosheets under visible light irradiation
    Liu, Bochuan
    Qiao, Meng
    Wang, Yanbin
    Wang, Lijuan
    Gong, Yan
    Guo, Tao
    Zhao, Xu
    CHEMOSPHERE, 2017, 189 : 115 - 122
  • [2] Preparation of carbon self-doped g-C3N4 for efficient degradation of bisphenol A under visible light irradiation
    Ling Lei
    Xi He
    Xiaoyu Lin
    Yufeng Zhao
    Chen Yang
    Longzhe Cui
    Guiping Wu
    Environmental Science and Pollution Research, 2023, 30 : 65328 - 65337
  • [3] Preparation of carbon self-doped g-C3N4 for efficient degradation of bisphenol A under visible light irradiation
    Lei, Ling
    He, Xi
    Lin, Xiaoyu
    Zhao, Yufeng
    Yang, Chen
    Cui, Longzhe
    Wu, Guiping
    ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, 2023, 30 (24) : 65328 - 65337
  • [4] The synthesis of Ag3PO4/g-C3N4 nanocomposites and the application in the photocatalytic degradation of bisphenol A under visible light irradiation
    Mei, Jie
    Zhang, Dapeng
    Li, Nan
    Zhang, Meixing
    Gu, Xinyue
    Miao, Shengchao
    Cui, Shihai
    Yang, Jing
    JOURNAL OF ALLOYS AND COMPOUNDS, 2018, 749 : 715 - 723
  • [5] Photocatalytic degradation of cephalexin by g-C3N4/Zn doped Fe3O4 under visible light
    Xuan Sang Nguyen
    Tien Dung Pham
    Hoang Tung Vo
    Kim Dinh Ngo
    ENVIRONMENTAL TECHNOLOGY, 2021, 42 (08) : 1292 - 1301
  • [6] C-Doped g-C3N4 for Enhanced Photocatalytic Degradation of Azo Dyes under Visible Light
    Wang, Shiyu
    Yang, Jiali
    Cong, Hongjin
    Li, Xinyi
    Wang, Rui
    Yang, Meiyu
    Qin, Mian
    Jin, Kejie
    Zhao, Yang
    Wang, Huan
    CHEMISTRYSELECT, 2023, 8 (45):
  • [7] Enhanced photocatalytic ozonation of organics by g-C3N4 under visible light irradiation
    Liao, Gaozu
    Zhu, Dongyun
    Li, Laisheng
    Lan, Bingyan
    JOURNAL OF HAZARDOUS MATERIALS, 2014, 280 : 531 - 535
  • [8] Photocatalytic degradation of organic pollutants in wastewater with g-C3N4/sulfite system under visible light irradiation
    Wei, Yi
    Zou, Qiancheng
    Ye, Peng
    Wang, Manye
    Li, Xiaoxia
    Xu, Aihua
    CHEMOSPHERE, 2018, 208 : 358 - 365
  • [9] Photocatalytic degradation of 2,4,6-trichlorophenol over g-C3N4 under visible light irradiation
    Ji, Huanhuan
    Chang, Fei
    Hu, Xuefeng
    Qin, Wei
    Shen, Jiaowen
    CHEMICAL ENGINEERING JOURNAL, 2013, 218 : 183 - 190
  • [10] Facile synthesis of Zn(Ⅱ)-doped g-C3N4 and their enhanced photocatalytic activity under visible light irradiation
    Zhao-Tian Wang
    Jun-Li Xu
    Hui Zhou
    Xia Zhang
    Rare Metals, 2019, 38 (05) : 459 - 467