Issue 5, 2023

Targeted high-precision up-converting thermometer platform over multiple temperature zones with Er3+

Abstract

Ratiometric luminescence thermometry based on trivalent erbium ions is a noninvasive remote sensing technique with high spatial and temporal resolution. The thermal coupling between two adjacent energy levels follows the Boltzmann statistics, whose effective range is related to the energy gap between the multi-excited states. However, the limitations of different thermally coupled levels (TCLs) in Er-based thermometers are rarely mentioned. Here, a type of targeted high-precision luminescence thermometer was designed using a lead-free double perovskite platform by selecting multiple TCLs of the Er3+ ion. According to the selection of different TCLs in a single system platform, more precise temperature resolution can be obtained in different temperature regions from 100 K to almost 880 K. This work provides a quantitative guideline that may pave the way for the development of the next generation of temperature sensor based on trivalent erbium ions.

Graphical abstract: Targeted high-precision up-converting thermometer platform over multiple temperature zones with Er3+

Supplementary files

Article information

Article type
Communication
Submitted
13 Jan 2023
Accepted
15 Feb 2023
First published
15 Feb 2023

Mater. Horiz., 2023,10, 1816-1824

Targeted high-precision up-converting thermometer platform over multiple temperature zones with Er3+

Z. Rao, Z. Li, X. Zhao and X. Gong, Mater. Horiz., 2023, 10, 1816 DOI: 10.1039/D3MH00055A

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