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Sustainable Synthesis of CuInS2@MIL-101(Cr) Composite: Nanoarchitectonics for Improved Photocatalytic Performance
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  • Hong Van Nguyen,
  • Manh Nguyen,
  • Xuan Nui Pham,
  • Huan Doan
Hong Van Nguyen
Vietnam Academy of Science and Technology
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Manh Nguyen
Vietnam Academy of Science and Technology
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Xuan Nui Pham
Hanoi University of Mining and Geology
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Huan Doan
University of Bristol

Corresponding Author:[email protected]

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Abstract

This study demonstrates the sustainable synthesis of multifunctional CIS@MIL-101(Cr) composites for water treatment applications. The composites were prepared via hybridization of CuInS2 with MIL-101(Cr) resulting in the formation of CIS nanoplates incorporated into MIL-101(Cr). The composites exhibited high visible light photocatalytic activity due to their low band gap energy and were tested for tetracycline photodegradation achieving a degradation efficiency of 98.8%. The material showed high stability after four cycles, and the effects of reactive species on photodegradation were investigated. The kinetics and mechanism of the photocatalytic process were studied, and HPLC-MS analysis was conducted to identify intermediate products. These results demonstrate the potential of using waste PET to create new semiconductors for water pollution control, promoting a circular material pathway.