Please use this identifier to cite or link to this item: https://doi.org/10.1002/advs.201901358
Title: Recent Progress of Rare-Earth Doped Upconversion Nanoparticles: Synthesis, Optimization, and Applications
Authors: Zhu, X.
Zhang, J.
Liu, J.
Zhang, Y. 
Keywords: NIR light
optimization
rare earth
synthesis
upconversion
Issue Date: 2019
Publisher: John Wiley and Sons Inc.
Citation: Zhu, X., Zhang, J., Liu, J., Zhang, Y. (2019). Recent Progress of Rare-Earth Doped Upconversion Nanoparticles: Synthesis, Optimization, and Applications. Advanced Science 6 (22) : 1901358. ScholarBank@NUS Repository. https://doi.org/10.1002/advs.201901358
Rights: Attribution 4.0 International
Abstract: Upconversion is a nonlinear optical phenomenon that involves the emission of high-energy photons by sequential absorption of two or more low-energy excitation photons. Due to their excellent physiochemical properties such as deep penetration depth, little damage to samples, and high chemical stability, upconversion nanoparticles (UCNPs) are extensively applied in bioimaging, biosensing, theranostic, and photochemical reactions. Here, recent achievements in the synthesis, optimization, and applications of UCNP-based nanomaterials are reviewed. The state-of-the-art approaches to synthesize UCNPs in the past few years are introduced first, followed by a summary of several strategies to optimize upconversion emissive properties and various applications of UCNPs. Lastly, the challenges and future perspectives of UCNPs are provided as a conclusion. � 2019 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Source Title: Advanced Science
URI: https://scholarbank.nus.edu.sg/handle/10635/212918
ISSN: 21983844
DOI: 10.1002/advs.201901358
Rights: Attribution 4.0 International
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