Volume 15 Issue 3
Aug.  2022
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Jian-hong Han, Wen-hui Jia, Yi Liu, Wei-da Wang, Lian-ke Zhang, Yu-mei Li, Peng Sun, Jian Fan, Shu-ting Hu. 2022: α-Fe2O3/Cu2O composites as catalysts for photoelectrocatalytic degradation of benzotriazoles. Water Science and Engineering, 15(3): 200-209. doi: 10.1016/j.wse.2022.06.003
Citation: Jian-hong Han, Wen-hui Jia, Yi Liu, Wei-da Wang, Lian-ke Zhang, Yu-mei Li, Peng Sun, Jian Fan, Shu-ting Hu. 2022: α-Fe2O3/Cu2O composites as catalysts for photoelectrocatalytic degradation of benzotriazoles. Water Science and Engineering, 15(3): 200-209. doi: 10.1016/j.wse.2022.06.003

α-Fe2O3/Cu2O composites as catalysts for photoelectrocatalytic degradation of benzotriazoles

doi: 10.1016/j.wse.2022.06.003

This work was supported by the Open Program of the Tianjin Key Laboratory of Green Chemical Engineering Process Engineering, Tiangong University, Tianjin (Grant No. GCEPE20190108), the Inner Mongolia Natural Science Foundation (Grant No. 2020MS02015), and the Regional Science Foundation Project of the National Natural Science Foundation of China (Grant No. 42167029).

  • Received Date: 2021-11-23
  • Accepted Date: 2022-04-10
  • Rev Recd Date: 2022-04-10
  • Available Online: 2022-08-24
  • Given the difficulties of degrading benzotriazole (BTA), this study used a one-pot hydrothermal method to prepare α-Fe2O3/Cu2O (FC) composites for photoelectrocatalytic (PEC) degradation of BTA. The characterization of FC structure showed that Cu2O in cubic crystals was loaded with circular sheets of Fe2O3. Owing to this structure, FC showed efficient PEC degradation of BTA when exposed to ultraviolet light. The experimental results demonstrated that FC efficiently degraded BTA. When the PEC degradation continued for 60 min, 100% degradation of BTA was achieved because FC enhanced the photoelectron-hole separation and the separation and transfer of articulated carriers. High performance liquid chromatography–mass spectrometry showed that intermediates formed during the PEC degradation of BTA. Finally, various pathways for degradation of BTA were postulated. This FC-based PEC system provides a harmless and effective method for degradation of BTA.


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