Bimetallic UiO-66-NH₂(Zr–Hf) synergistic photocatalytic and piezoelectric effects for the degradation of rhodamine B

Abstract

A series of bimetallic UiO-66-NH2(Zr-Hf) metal organic frameworks (MOFs) were prepared by a green hydrothermal method, while successfully combined with their photocatalytic and piezo-catalytic properties. Among them, UN(0.75Zr) (metal node:...

Assembly of Functional Co(II) Metal–Organic Frameworks through a Mixed Ligand Strategy: Structure and Photocatalytic Degradation Properties

“…In order to explain the mechanism of photocatalytic degradation, free-radical trapping experiments were performed. In the experiment, isopropanol (IPA) was utilized to capture hydroxyl radicals ( • OH), p -benzoquinone (BQ) was used to capture superoxide radicals ( • O 2 – ), and ethylenediaminetetraacetic acid disodium (EDTA-2Na) was employed to capture holes (h + ). − …”

Graphene quantum dot surface ligand and Co and Pt double-doping-engineered Co/Co3O4 nanozyme displaying superior performance to horseradish peroxidase and choline oxidase for the efficient degradation of rhodamine B without an activator

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A metal–organic framework-integrated composite for piezocatalysis-assisted tumour therapy: design, related mechanisms, and recent advances

“…Wang et al simultaneously introduced Hf and Zr metal ions into UiO-66-NH 2 to prepare bimetallic MOFs for piezo-photocatalysis. 47 After the introduction of Hf, the bimetallic MOF with smaller and more deformable nanorods exhibited higher catalytic efficiency compared to UiO-66-NH 2 . Another approach for increasing the polarity is by incorporating guest molecules into the ordered porous structures of MOFs.…”