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Filling Polyoxoanions into MIL-101(Fe) for Adsorption of Organic Pollutants with Facile and Complete Visible Light Photocatalytic Decomposition.

ABSTRACT: Transition metal-substituted polyoxometalates (POMs) were filled into a metal-organic framework (MOF) to construct a series of POM@MOF composites (PMo12O40@MIL-101, PMo11VO40@MIL-101, PMo10V2O40@MIL-101). The composite materials possess ultra-high adsorption ability, especially for PMo10V2O40@MIL-101, with an adsorption capacity of 912.5 mg·g-1 for cationic antibiotic tetracycline in wastewater, much higher than that of isolated MIL-101(Fe) and the commonly used adsorption materials, such as activated carbon and graphene oxide. In particular, they can be used as efficient photocatalysts for the photodegradation of antibiotics under visible light irradiation. The complete photodegradation of the adsorbed species can induce the facile reusability of these composites for multiple cycles. This work opens an avenue to introduce POMs into an MOF matrix for the simultaneous adsorption and photodegradation of antibiotics.

SUBMITTER: Lan Q 

PROVIDER: S-EPMC9182053 | biostudies-literature | 2022 May

REPOSITORIES: biostudies-literature

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Filling Polyoxoanions into MIL-101(Fe) for Adsorption of Organic Pollutants with Facile and Complete Visible Light Photocatalytic Decomposition.

Lan Qing Q   Jin Sujuan S   Yang Bohan B   Zhang Zhiming Z   Li Xuyang X   Xie Haiquan H   Jin Xiaoli X   Zhang Huan H   Zhao Qiang Q  

Molecules (Basel, Switzerland) 20220525 11

Transition metal-substituted polyoxometalates (POMs) were filled into a metal-organic framework (MOF) to construct a series of POM@MOF composites (PMo<sub>12</sub>O<sub>40</sub>@MIL-101, PMo<sub>11</sub>VO<sub>40</sub>@MIL-101, PMo<sub>10</sub>V<sub>2</sub>O<sub>40</sub>@MIL-101). The composite materials possess ultra-high adsorption ability, especially for PMo<sub>10</sub>V<sub>2</sub>O<sub>40</sub>@MIL-101, with an adsorption capacity of 912.5 mg·g<sup>-1</sup> for cationic antibiotic tetracyc  ...[more]

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