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Abstract <p>The metal-organic polymer MIL-53(Fe) with the framework composition Fe(OH)(BDC)⋅(H<sub>2</sub>O)<sub>2</sub> and the composite MIL-53(Fe)/GO (GO is graphene oxide) have been obtained by the solvothermal method and characterized by X-ray diffraction, X-ray absorption spectroscopy, IR Fourier spectroscopy, and scanning and transmission electron microscopy. It has been established that the MIL-53(Fe) in the MIL-53(Fe)/GO composition differs from the initial MIL-53(Fe) polymer by the absence of secondary phase (phases), a lower content of water molecules, a higher content of the solvent and Fe<sup>2+</sup> ions, and the morphology and microstructure. In the photo-Fenton reaction, the degree of decomposition of RR195 dye in the presence of the MIL-53(Fe)/GO composite exceeds the degree of decomposition of the initial MIL-53(Fe) polymer, which remains almost invariable after three photo-reaction cycles.</p>

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Photo-Fenton Reaction for the Decomposition of RR195 Dye in the Presence of the Metal-Organic Polymer MIL-53(Fe3+) and a Composite with Graphene Oxide

  • 期刊论文

  • 发表日期：

    2025年6月1日

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  • G. M. Kuz’micheva,
  • A. A. Gainanova,
  • N. K. Quang,
  • E. V. Khramov,
  • R. D. Svetogorov

摘要

Abstract

The metal-organic polymer MIL-53(Fe) with the framework composition Fe(OH)(BDC)⋅(H2O)2 and the composite MIL-53(Fe)/GO (GO is graphene oxide) have been obtained by the solvothermal method and characterized by X-ray diffraction, X-ray absorption spectroscopy, IR Fourier spectroscopy, and scanning and transmission electron microscopy. It has been established that the MIL-53(Fe) in the MIL-53(Fe)/GO composition differs from the initial MIL-53(Fe) polymer by the absence of secondary phase (phases), a lower content of water molecules, a higher content of the solvent and Fe2+ ions, and the morphology and microstructure. In the photo-Fenton reaction, the degree of decomposition of RR195 dye in the presence of the MIL-53(Fe)/GO composite exceeds the degree of decomposition of the initial MIL-53(Fe) polymer, which remains almost invariable after three photo-reaction cycles.