Chainlike assembly of oleic acid-capped NaYF4:Yb,Er nanoparticles and their fixing by silica encapsulation

Junfei Xue; Junwei Zhao; Jian Wu; Pengyu Xu; Sheng Chen; Yaping Ding; Weihai Ni

doi:10.1039/C6RA09545C

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Chainlike assembly of oleic acid-capped NaYF₄:Yb,Er nanoparticles and their fixing by silica encapsulation†

Junfei Xue,‡^ab Junwei Zhao,‡^b Jian Wu,^b Pengyu Xu,^ab Sheng Chen,^ab Yaping Ding^a and Weihai Ni*^b

Author affiliations

* Corresponding authors

^a Department of Chemistry, College of Sciences, Shanghai University, Shanghai, China

^b Division of i-Lab & Key Laboratory for Nano-Bio Interface Research, Suzhou Institute of Nano-Tech & Nano-Bionics, Chinese Academy of Sciences, Suzhou, Jiangsu, China
E-mail: whni2012@sinano.ac.cn

Abstract

We demonstrate, through simply tuning the polarity of the dispersant system, that oleic acid (OA)-capped NaYF₄ nanoparticles can be self-assembled into chainlike structures. The assembled chainlike structures were further fixed by silica encapsulation via the Stöber method. The reported approach can be readily extended to other OA-capped nanoparticles in organic solvents.

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Article information

DOI: https://doi.org/10.1039/C6RA09545C
Article type: Communication
Submitted: 13 Apr 2016
Accepted: 19 Jun 2016
First published: 22 Jun 2016

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RSC Adv., 2016,6, 62019-62023

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Chainlike assembly of oleic acid-capped NaYF₄:Yb,Er nanoparticles and their fixing by silica encapsulation

J. Xue, J. Zhao, J. Wu, P. Xu, S. Chen, Y. Ding and W. Ni, RSC Adv., 2016, 6, 62019 DOI: 10.1039/C6RA09545C

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