Issue 92, 2020

Ho3+–Yb3+ doped NaGdF4 nanothermometers emitting in BW-I and BW-II. Insight into the particle growth intermediate steps

Abstract

Here, the excellent thermal sensing capability of Ho3+, Yb3+ doped β-NaGdF4 nanoparticles, where the system is excited into the 5F55I8 transition of Ho3+ (640 nm), is reported. The ratio of the 2F5/22F7/2 transition peak of Yb3+ and the 5I65I8 transition peak of Ho3+ was employed for thermometry applications, resulting in a novel thermometer, which could potentially operate in BW-I and BW-II (BW – biological window). Additionally, interesting findings were made about the influence of the reaction time on the particle morphology and the presence of intermediate morphology forms.

Graphical abstract: Ho3+–Yb3+ doped NaGdF4 nanothermometers emitting in BW-I and BW-II. Insight into the particle growth intermediate steps

Supplementary files

Article information

Article type
Communication
Submitted
24 Sep 2020
Accepted
27 Oct 2020
First published
27 Oct 2020

Chem. Commun., 2020,56, 14365-14368

Ho3+–Yb3+ doped NaGdF4 nanothermometers emitting in BW-I and BW-II. Insight into the particle growth intermediate steps

H. Rijckaert and A. M. Kaczmarek, Chem. Commun., 2020, 56, 14365 DOI: 10.1039/D0CC06433E

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