Journal
NANOSCALE ADVANCES
Volume 4, Issue 17, Pages 3600-3608Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2na00371f
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Funding
- Ministry of Education and Training of Vietnam [B2021.MDA-03]
- Royal Society of Chemistry for the Research Fund [R20-8172]
- UK Engineering and Physical Sciences Research Council for the Doctoral Prize Fellowship [EP/T517872/1]
- Impact Acceleration Account Funding [A109921-294]
- EPSRC [EP/K035746/1]
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Researchers have successfully synthesized a nanocomposite of silver indium sulfide, which is based on a highly porous metal-organic framework, and demonstrated its excellent catalytic activity under visible light irradiation. This study provides a new pathway for developing new semiconductor materials for water protection.
Semiconductor-containing porous materials with a well-defined structure could be unique scaffolds for carrying out selective organic transformations driven by visible light. We herein introduce for the first time a heterostructure of silver indium sulfide (AgInS2) ternary chalcogenide and a highly porous MIL-101(Cr) metal-organic framework (MOF) synthesised from polyethylene terephthalate plastic waste. Our results demonstrate that AgInS2 nanoparticles were uniformly attached to each lattice plane of the octahedral MIL-101(Cr) structure, resulting in a nanocomposite with a high distribution of semiconductors in a porous media. We also demonstrate that the nanocomposite with up to 40% of AgInS2 doping exhibited excellent catalytic activity for tetracycline degradation under visible light irradiation (similar to 99% tetracycline degraded after 4 h) and predominantly maintained its performance after five cycles. These results could promote a new material circularity pathway to develop new semiconductors that can be used to protect water from further pollution.
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