Please use this identifier to cite or link to this item: https://doi.org/10.3389/fchem.2020.00836
Title: Microscale Self-Assembly of Upconversion Nanoparticles Driven by Block Copolymer
Authors: Su, Q.
Zhou, M.-T.
Zhou, M.-Z.
Sun, Q.
Ai, T.
Su, Y.
Keywords: lanthanide-doped nanoparticles
micro-scale
nanoparticles belt
self-assembly
upconversion nanoparticle
Issue Date: 2020
Publisher: Frontiers Media S.A.
Citation: Su, Q., Zhou, M.-T., Zhou, M.-Z., Sun, Q., Ai, T., Su, Y. (2020). Microscale Self-Assembly of Upconversion Nanoparticles Driven by Block Copolymer. Frontiers in Chemistry 8 : 836. ScholarBank@NUS Repository. https://doi.org/10.3389/fchem.2020.00836
Rights: Attribution 4.0 International
Abstract: Lanthanide-based upconversion nanoparticles can convert low-energy excitation to high-energy emission. The self-assembled upconversion nanoparticles with unique structures have considerable promise in sensors and optical devices due to intriguing properties. However, the assembly of isotropic nanocrystals into anisotropic structures is a fundamental challenge caused by the difficulty in controlling interparticle interactions. Herein, we report a novel approach for the preparation of the chain-like assemblies of upconversion nanoparticles at different scales from nano-scale to micro-scale. The dimension of chain-like assembly can be fine-tuned using various incubation times. Our study observed Y-junction aggregate morphology due to the flexible nature of amphiphilic block copolymer. Furthermore, the prepared nanoparticle assemblies of upconversion nanoparticles with lengths up to several micrometers can serve as novel luminescent nanostructure and offer great opportunities in the fields of optical applications. © Copyright © 2020 Su, Zhou, Zhou, Sun, Ai and Su.
Source Title: Frontiers in Chemistry
URI: https://scholarbank.nus.edu.sg/handle/10635/200570
ISSN: 2296-2646
DOI: 10.3389/fchem.2020.00836
Rights: Attribution 4.0 International
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