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Morphology control, spectrum modification and extended optical applications of rare earth ions doped phosphors

Abstract

Rare earth ion (RE3+) doped nano-phosphors with controllable morphology have wide applications in laser crystals, LEDs, bio-probes, photo-catalysis, three-dimensional displays, sensors, and flash memories. This review summarizes morphology control strategy, phase transfer theory, spectrum modulation, and the extended optical applications of RE3+-doped phosphors. The role of surfactants on the morphology control in the liquid–solid–solution phase transfer process for RE3+-doped fluorides, oxides and other compounds are discussed. The relevant mechanisms of controlling morphology are illustrated. Size- and shape-dependent optical properties of RE3+ doped phosphors, including the emission intensity, intensity ratio of adjacent emission bands, decay times and thermal stability, are analyzed. The extended optical applications and main challenges of RE3+-doped phosphors are also discussed.

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Article information


Submitted
13 Mar 2020
Accepted
01 Jun 2020
First published
09 Jun 2020

Phys. Chem. Chem. Phys., 2020, Accepted Manuscript
Article type
Perspective

Morphology control, spectrum modification and extended optical applications of rare earth ions doped phosphors

X. Wang, J. Xu, J. Yu, Y. Bu, J. Marques-Hueso and X. Yan, Phys. Chem. Chem. Phys., 2020, Accepted Manuscript , DOI: 10.1039/D0CP01412E

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