Nanoporous YVO as a luminescent host for probing molecular encapsulation

Control of phase separation of VO 4 3− and rare earth precursors in reverse microemulsions afforded ∼35 nm YVO 4 nanoparticles with functionalisable ∼7 ± 3 nm nanopores. Doping by Eu 3+ allowed luminescent probing of interfacial crystallisation while xylenol orange absorption showed molecular encaps...

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Published in:Chemical communications (Cambridge, England) England), 2023-09, Vol.59 (76), p.11393-11396
Main Authors: Brito, Milena Lima, Huband, Steven, Walker, Marc, Walton, Richard I, de Sousa Filho, Paulo C
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Summary:Control of phase separation of VO 4 3− and rare earth precursors in reverse microemulsions afforded ∼35 nm YVO 4 nanoparticles with functionalisable ∼7 ± 3 nm nanopores. Doping by Eu 3+ allowed luminescent probing of interfacial crystallisation while xylenol orange absorption showed molecular encapsulation in particle cavities. This provides potential multifunctional systems combining UV-Vis-NIR luminescence and (photo)active molecules for optical sensing. A reverse microemulsion route enabled to probe the interfacial crystallisation of luminescent nanoporous YVO 4 and to encapsulate dye molecules in the nanoparticle cavities.
ISSN:1359-7345
1364-548X
DOI:10.1039/d3cc03501h