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Issue 9, 2011
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Phase transition from hexagonal LnF3 (Ln = La, Ce, Pr) to cubic Ln0.8M0.2F2.8 (M = Ca, Sr, Ba) nanocrystals with enhanced upconversion induced by alkaline-earth doping

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Abstract

Complete phase transition from hexagonal LnF3 (Ln3+ = La3+, Ce3+, Pr3+) to monodisperse ultrasmall (∼7 nm) cubic Ln0.8M0.2F2.8 (M2+ = Ca2+, Sr2+, Ba2+) disordered solid solution nanocubes was successfully achieved through alkaline-earth doping, which induced great intensification of the near-infrared to visible upconversion emissions of the optically active rare earth ions.

Graphical abstract: Phase transition from hexagonal LnF3 (Ln = La, Ce, Pr) to cubic Ln0.8M0.2F2.8 (M = Ca, Sr, Ba) nanocrystals with enhanced upconversion induced by alkaline-earth doping

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Article information


Submitted
08 Nov 2010
Accepted
17 Dec 2010
First published
13 Jan 2011

Chem. Commun., 2011,47, 2601-2603
Article type
Communication

Phase transition from hexagonal LnF3 (Ln = La, Ce, Pr) to cubic Ln0.8M0.2F2.8 (M = Ca, Sr, Ba) nanocrystals with enhanced upconversion induced by alkaline-earth doping

D. Chen, Y. Yu, F. Huang and Y. Wang, Chem. Commun., 2011, 47, 2601
DOI: 10.1039/C0CC04846A

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