Spectral Investigation of Yb3+/Ho3+/Tm3+:Y2Si2O7 Upconverting Nanophosphors for the Usage of Temperature Sensing

Murat Erdem; Kadir Esmer; Gonul Eryurek

doi:10.18596/jotcsa.1159026

Spectral Investigation of Yb³⁺/Ho³⁺/Tm³⁺:Y2Si2O7 Upconverting Nanophosphors for the Usage of Temperature Sensing

Murat Erdem^*, Kadir Esmer, Gonul Eryurek

^*Corresponding author for this work

Department of Physics Engineering

Marmara University

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

Rare earth (Yb³⁺, Ho³⁺, Tm³⁺) yttrium disilicate phosphors were produced by sol-gel technique and heated at 1050 °C temperature. The sizes of the phosphors vary between 20-30 nm according to the images obtained from the Transmission Electron Microscope. The up-conversion (UC) emissions of the nanopowders were measured in the range of 500–900 nm wavelength under 950 nm laser excitation. A linear increase with power was observed in the emission intensity ratio depending on the laser excitation power. Using the FIR technique, the phosphor’s temperature was determined by the heating effect caused by the laser pump power. Due to the change in intensity ratio versus temperature, the temperature sensitivity at 428 K was calculated as 0.781x10^-2K^-1 and it was suggested that it can be used as a promising temperature sensor probe in photonic devices.

Original language	English
Pages (from-to)	55-62
Number of pages	8
Journal	Journal of the Turkish Chemical Society, Section A: Chemistry
Volume	10
Issue number	1
DOIs	https://doi.org/10.18596/jotcsa.1159026
Publication status	Published - 28 Feb 2023

Bibliographical note

Publisher Copyright:
© 2023, Turkish Chemical Society. All rights reserved.

Funding

The study was carried out with the support of the Marmara University Scientific Research Projects Unit, project number FEN-B-150513-0170. We thank Prof. Dr. Baldassare Di Bartolo for the photoluminescent measurements performed in the Spectroscopy Laboratory at Boston College.

Funders	Funder number
Marmara Üniversitesi	FEN-B-150513-0170

Keywords

Nanophosphors
Sol-gel
Temperature sensing
Up-conversion

Access to Document

10.18596/jotcsa.1159026

Cite this

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abstract = "Rare earth (Yb3+, Ho3+, Tm3+) yttrium disilicate phosphors were produced by sol-gel technique and heated at 1050 °C temperature. The sizes of the phosphors vary between 20-30 nm according to the images obtained from the Transmission Electron Microscope. The up-conversion (UC) emissions of the nanopowders were measured in the range of 500–900 nm wavelength under 950 nm laser excitation. A linear increase with power was observed in the emission intensity ratio depending on the laser excitation power. Using the FIR technique, the phosphor{\textquoteright}s temperature was determined by the heating effect caused by the laser pump power. Due to the change in intensity ratio versus temperature, the temperature sensitivity at 428 K was calculated as 0.781x10-2K-1 and it was suggested that it can be used as a promising temperature sensor probe in photonic devices.",

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AB - Rare earth (Yb3+, Ho3+, Tm3+) yttrium disilicate phosphors were produced by sol-gel technique and heated at 1050 °C temperature. The sizes of the phosphors vary between 20-30 nm according to the images obtained from the Transmission Electron Microscope. The up-conversion (UC) emissions of the nanopowders were measured in the range of 500–900 nm wavelength under 950 nm laser excitation. A linear increase with power was observed in the emission intensity ratio depending on the laser excitation power. Using the FIR technique, the phosphor’s temperature was determined by the heating effect caused by the laser pump power. Due to the change in intensity ratio versus temperature, the temperature sensitivity at 428 K was calculated as 0.781x10-2K-1 and it was suggested that it can be used as a promising temperature sensor probe in photonic devices.

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