Facile ligand-exchange with polyvinylpyrrolidone and subsequent silica coating of hydrophobic upconverting β-NaYF4:Yb3+/Er3+ nanoparticles
Noah J. J. Johnson(University of Victoria), Frank C. J. M. van Veggel(University of Victoria), John‐Christopher Boyer(University of Victoria), Neralagatta M. Sangeetha(University of Victoria)
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