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Chem Commun (Camb). 2018 Aug 23;54(69):9587-9590. doi: 10.1039/c8cc04924f.

Direct cation exchange of surface ligand capped upconversion nanocrystals to produce strong luminescence.

Author information

1
Institute for Biomedical Materials and Devices, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology, Sydney, NSW 2007, Australia. Jiajia.Zhou@uts.edu.au.

Abstract

We develop a facile and rapid cation exchange method for upconversion nanocrystals (UCNCs) without removing surface ligands. It avoids the tedious pretreatment of as-synthesized UCNCs, and the luminescent intensities of nanocrystals after Tb3+ exchange using the new method are much stronger than those of the nanocrystals obtained using conventional cation exchange in water.

PMID:
30087958
DOI:
10.1039/c8cc04924f

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