K(Mn,Zn)F3 mesoporous microspheres: one-pot synthesis via the nanoscale Kirkendall effect

S. Ding; X. F. Yang; T. T. Deng; E. H. Song; Z. J. Ma; S. Ye; M. M. Wu; Q. Y. Zhang

doi:10.1039/C5CE02202A

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K(Mn,Zn)F₃ mesoporous microspheres: one-pot synthesis via the nanoscale Kirkendall effect†

S. Ding,^a X. F. Yang,^b T. T. Deng,^a E. H. Song,^a Z. J. Ma,^a S. Ye,^a M. M. Wu^c and Q. Y. Zhang*^a

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* Corresponding authors

^a State Key Laboratory of Luminescent Materials and Devices, and Institute of Optical Communication Materials, South China University of Technology, Guangzhou 510641, PR China
E-mail: qyzhang@scut.edu.cn

^b Analytical and Testing Center, South China University of Technology, Guangzhou 510641, PR China

^c School of Chemistry and Chemical Engineering, and Instrumental Analysis and Research Centre, Sun Yat-Sen (Zhongshan) University, Guangzhou 510275, PR China

Abstract

Solid-solution phase K(Mn,Zn)F₃ mesoporous microspheres have been successfully prepared via a simple one-pot hydrothermal method by using citrate ions as a chelating agent. Effects of the reaction time on the phase transformation and morphological evolution of the K(Mn,Zn)F₃ microspheres have been carefully investigated. The results revealed that the hierarchical mesoporous spherical structures with a solid-solution phase were formed from a core–shell structure with mixed phases via the nanoscale Kirkendall effect. It is noted that Yb³⁺/Er³⁺-codoped K(Mn,Zn)F₃ microspheres exhibit intense single-band red up-conversion emission with environmental responsivity upon excitation using a 980 nm laser diode, indicating a promising potential biomedical application for drug delivery.

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Article information

DOI: https://doi.org/10.1039/C5CE02202A
Article type: Paper
Submitted: 10 Nov 2015
Accepted: 25 Jan 2016
First published: 25 Jan 2016

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CrystEngComm, 2016,18, 1384-1392

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K(Mn,Zn)F₃ mesoporous microspheres: one-pot synthesis via the nanoscale Kirkendall effect

S. Ding, X. F. Yang, T. T. Deng, E. H. Song, Z. J. Ma, S. Ye, M. M. Wu and Q. Y. Zhang, CrystEngComm, 2016, 18, 1384 DOI: 10.1039/C5CE02202A

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