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Retraction: Effect of Ca2+ doping on the upconversion luminescence properties of NaYF4:Yb3+/Tm3+ nanoparticles and study of its temperature measurement performance
Mingzhou
Meng
a,
Rui
Zhang
a,
Zhenlong
Cheng
a,
Xinmeng
Fa
a,
Jianghua
Yang
a,
Anees A.
Ansari
b,
Jun
Ou
*ac,
Christian
Wurth
c and
Ute
Resch-Genger
*c
aMaterials Science and Engineering College, Guilin University of Technology, Guilin, 541004, China. E-mail: gloujun@glut.edu.cn
bKing Abdullah Institute for Nanotechnology, King Saud University, Riyadh, 11451, Saudi Arabia
cDivision Biophotonics, Federal Institute for Materials Research and Testing, Richard-Willstätter-Str, Berlin, 11,12489, Germany. E-mail: ute.resch@bam.de
First published on 8th August 2023
Abstract
Retraction of ‘Effect of Ca2+ doping on the upconversion luminescence properties of NaYF4:Yb3+/Tm3+ nanoparticles and study of its temperature measurement performance’ by Mingzhou Meng et al., CrystEngComm, 2022, 24, 4887–4898, https://doi.org/10.1039/D2CE00562J
The Royal Society of Chemistry, with the agreement of the authors, hereby wholly retracts this CrystEngComm article due to concerns with the reliability of the data.
Fig. 3a-c are identical to Fig. 3a-c of ref. 1. The authors originally requested a correction, however, as they have not been able to provide the raw data, they have requested to retract the article.
Given the significance of these concerns, the findings presented in this paper are no longer reliable.
Signed: Mingzhou Meng, Rui Zhang, Zhenlong Cheng, Xinmeng Fa, Jianghua Yang, Anees A. Ansari, Jun Ou, Christian Wurth and Ute Resch-Genger.
Date: 28th July 2023.
Retraction endorsed by Sally Howells-Wyllie, Executive Editor, CrystEngComm.
References
- M. Meng, et al., ‘Preparation of core–shell structured NaYF4:Yb3+/Tm3+@NaYF4:Yb3+/Er3+ nanoparticles with high sensitivity, low resolution and good reliability and application of their fluorescence temperature properties’, CrystEngComm, 2022, 24, 1752–1763, 10.1039/D1CE01729B.
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