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

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Abstract

Rare earth ion (RE3+) doped nano-phosphors with controllable morphologies have a wide range of applications in laser crystals, LEDs, bio-probes, photo-catalysis, three-dimensional displays, sensors, and flash memories. This review summarizes the morphology control strategy, phase transfer theory, spectrum modulation, and extended optical applications of RE3+-doped phosphors. The roles of surfactants in 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 morphologies are illustrated. The size- and shape-dependent optical properties of RE3+ doped phosphors, including the emission intensities, intensity ratios 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.

Graphical abstract: Morphology control, spectrum modification and extended optical applications of rare earth ion doped phosphors

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Article information


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

Phys. Chem. Chem. Phys., 2020, Advance Article
Article type
Perspective

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

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

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