Investigation of a thermoluminescence response and trapping parameters and theoretical model to explain concentration quenching for Yb3+-doped ZrO2 phosphors under UV exposure

In this paper, a thermoluminescence signal centred at 129 ∘ C induced by UV radiation of Yb 3 + -doped ZrO 2 is reported. Phosphor was prepared by a solution combustion method and annealed at 600 and 900 ∘ C to study the effect of annealing. The prepared phosphor was characterized by X-ray diffracti...

Full description

Saved in:
Bibliographic Details
Published in:Bulletin of materials science 2019-10, Vol.42 (5), p.249
Main Authors: Upadhyay, Kanchan, Tamrakar, Raunak Kumar, Asthana, Anupama
Format: Article
Language:English
Subjects:
Annealing
Chemistry and Materials Science
Dosimetry
Energy
Engineering
Glow curves
Materials Science
Mathematical models
Nitrates
Parameters
Particle size
Phosphors
Quenching
Scanning electron microscopy
Spectrum analysis
Temperature
Thermoluminescence
Ultraviolet radiation
X-rays
Zirconium dioxide
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:In this paper, a thermoluminescence signal centred at 129 ∘ C induced by UV radiation of Yb 3 + -doped ZrO 2 is reported. Phosphor was prepared by a solution combustion method and annealed at 600 and 900 ∘ C to study the effect of annealing. The prepared phosphor was characterized by X-ray diffraction and scanning electron microscopy methods. Various parameters were optimized. Computerized glow curve deconvolution was employed and kinetic parameters for every deconvoluted peak were calculated. To understand the concentration quenching, a 3T1R (three trap one recombination centre) model has been proposed.
ISSN:0250-4707
0973-7669
DOI:10.1007/s12034-019-1845-x