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Issue 92, 2020
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Ho3+–Yb3+ doped NaGdF4 nanothermometers emitting in BW-I and BW-II. Insight into the particle growth intermediate steps

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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

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Article information


Submitted
24 Sep 2020
Accepted
27 Oct 2020
First published
27 Oct 2020

Chem. Commun., 2020,56, 14365-14368
Article type
Communication

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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