Issue 42, 2022

PMA-FeCo mixed-oxide magnetic quasi-nanosheets

Abstract

Free-standing 2D nanoassemblies are a new class of advanced functional materials that can integrate the unique properties of their individual components. Herein, we report a facile template-free solvothermal strategy to manipulate the assembly of structurally distinct building blocks into free-standing 2D quasi-nanosheets. The obtained 2D nanoassemblies are magnetic in nature with thickness in the range of tens of nanometers and lateral dimensions of several micrometers. They showed exceptionally high stability and can even remain intact in any solvent for months without any significant disassembly. The magnetic quasi-nanosheets were further used to remove polystyrene (PS), a model microplastic pollutant, from water. The robust phosphomolybdic acid (PMA) cluster-based hybrid exhibited outstanding PS removal performance because of the unique quasi-nanosheet architecture and multiple coordination sites of the redox-active PMA clusters. Overall, our developed co-assembly and subsequent water purification strategy effectively tackles various limitations associated with traditional assembly and water purification strategies.

Graphical abstract: PMA-FeCo mixed-oxide magnetic quasi-nanosheets

Supplementary files

Article information

Article type
Paper
Submitted
31 8 2022
Accepted
22 9 2022
First published
22 9 2022

Nanoscale, 2022,14, 15635-15639

PMA-FeCo mixed-oxide magnetic quasi-nanosheets

B. Akram, M. Wang and X. Wang, Nanoscale, 2022, 14, 15635 DOI: 10.1039/D2NR04748A

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