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<p>A novel magnetic recycling ZnO/NiFe<sub>2</sub>O<sub>4</sub> composite nanofibers photo-Fenton system was successfully prepared by parallel electrospinning. The composition, morphologies and photocatalytic performance of the ZnO/NiFe<sub>2</sub>O<sub>4</sub> composite nanofibers were investigated in detail. ZnO/NiFe<sub>2</sub>O<sub>4</sub> composite nanofibers were composed of nanospheres and nanofibers, the uniform nanospheres were grown on the surface of the nanofibers. The obtained ZnO/NiFe<sub>2</sub>O<sub>4</sub> composite nanofibers photo-Fenton system presented enhanced performance for photocatalytic degradation of Rhodamine B (RhB) after adding H<sub>2</sub>O<sub>2</sub>. When 0.05mL of H<sub>2</sub>O<sub>2</sub> is added to the photo-Fenton system, the degradation rate of RhB reaches 99.57% under light irradiation for 10 min. Significantly, the good stability was also observed after three cycles. This photo-Fenton system has good magnetic properties, which can be separated from the treatment system under the applied magnetic field, avoiding secondary pollution of the treatment system, improving reuse rate and saving costs. This study provides valuable insights for the purposeful utilization of the photocatalytic materils.</p>

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Synthesis of novel ZnO/NiFe2O4 heterostructures photocatalysts for photocatalytic and photo-Fenton removal of dyes

  • 期刊论文

  • 发表日期：

    2025年1月3日

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  • Fei Bi,
  • Beihui Zhou,
  • Rongrong Li,
  • Ruiying Du,
  • Zhemei Zheng,
  • Li Zhao,
  • Shanshan Xiao,
  • Liyan Wang,
  • Xiangting Dong

摘要

A novel magnetic recycling ZnO/NiFe2O4 composite nanofibers photo-Fenton system was successfully prepared by parallel electrospinning. The composition, morphologies and photocatalytic performance of the ZnO/NiFe2O4 composite nanofibers were investigated in detail. ZnO/NiFe2O4 composite nanofibers were composed of nanospheres and nanofibers, the uniform nanospheres were grown on the surface of the nanofibers. The obtained ZnO/NiFe2O4 composite nanofibers photo-Fenton system presented enhanced performance for photocatalytic degradation of Rhodamine B (RhB) after adding H2O2. When 0.05mL of H2O2 is added to the photo-Fenton system, the degradation rate of RhB reaches 99.57% under light irradiation for 10 min. Significantly, the good stability was also observed after three cycles. This photo-Fenton system has good magnetic properties, which can be separated from the treatment system under the applied magnetic field, avoiding secondary pollution of the treatment system, improving reuse rate and saving costs. This study provides valuable insights for the purposeful utilization of the photocatalytic materils.