Enhancement of dual-mode emission and temperature sensing performance in Y2Zr2O7: Er3+ nano phosphor by incorporation of lithium ions

Kumar, Amalesh; Manam, J.

doi:10.1016/j.ceramint.2022.01.241

Cited by 21 publications

(5 citation statements)

References 43 publications

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“…We have also carried out Rietveld refinement of the powder XRD pattern (Figure S1) to elucidate the lattice parameter and the unit cell volume (Table S1). The average lattice parameters are in good agreement with those reported in the literature. , There is not much change seen in either of the values over the entire temperature range.…”

Section: Resultssupporting

confidence: 89%

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Luminescent Y₂Zr₂O₇ for Ultrasensitive Detection of Volatile Organic Compounds Driven by Oxygen Vacancies

Parayil,

Gupta,

Rohilla

et al. 2023

ACS Appl. Electron. Mater.

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Defect engineering is considered as one of the most efficient strategies to introduce different functionalities in materials suitable to achieve desired properties such as magnetism, catalysis, sensing, and optoelectronic applications. In this study, we have synthesized Y2Zr2O7 (YZO) by the gel combustion method, and subsequent annealing was carried out at different temperatures from 900 to 1300 °C for the engineering of defects. Electron spin resonance spectroscopy suggested the presence of singly ionized oxygen vacancies (F+-center) which resulted in a dual-band bluish-green emission. The color can be tuned from blue to green in moving from the nano to bulk sample in the domain of 900–1300 °C. Photoluminescence quantum yield increases substantially in the bulk samples owing to the lesser density of defect clusters and higher F+ centers. The particle size increases from nano (∼50 nm) to bulk (∼0.4 μm) domain, and surface defects reduce on annealing from 900 to 1300 °C. The pore size is in the mesoporous range, making them suitable for gas sensing purposes. The sensing abilities of nano YZO-900 and bulk YZO-1300 pyrochlore were assessed in terms of detecting volatile organic compounds (VOCs) such as ethanol, acetone, and benzene. The study revealed that the defects in the materials play a significant role in sensing capabilities compared to morphology. On comparisons with other VOC sensors, bulk YZO-1300 not only demonstrated excellent sensitivity and superior response and recovery time toward benzene, but they are equally capable of sensing other polar VOCs such as acetone and ethanol with great ease and lower limit of detection. Moreover, our materials have demonstrated the capability to work as rare-earth-free luminescent materials as well driven by oxygen vacancies.

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Section: Resultssupporting

confidence: 89%

“…The average lattice parameters are in good agreement with those reported in the literature. 38,39 There is not much change seen in either of the values over the entire temperature range.…”

Section: Resultsmentioning

confidence: 89%

Luminescent Y₂Zr₂O₇ for Ultrasensitive Detection of Volatile Organic Compounds Driven by Oxygen Vacancies

Parayil,

Gupta,

Rohilla

et al. 2023

ACS Appl. Electron. Mater.

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“…Researchers are currently highly motivated by the development of new phosphorescent materials due to their diverse applications in elds such as solid-state lighting, display devices, bioimaging, latent ngerprint detection, non-contact temperature sensing, solar cells, and indoor plant growth. [1][2][3] As a result, the development of an effective phosphorescent material using a suitable host and ion activator is still a pressing need. Phosphorescent materials can be broadly categorized into up/downconverting phosphorescent, where the former converts highenergy photons into low-energy ones, and the latter does the opposite.…”

Section: Introductionmentioning

confidence: 99%

The dual-model up/down-conversion green luminescence of NaSrGd(MoO₄)₃: Er³⁺ and its application for temperature sensing

El Abidine Aly Taleb,

Saidi,

Dammak

2024

RSC Adv.

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“…19 Furthermore, Amalesh et al prepared Er 3+ /Li + doped Y 2 Zr 2 O 7 nanocrystals through the hydrothermal approach, but this process took a long time. 20 It is well known that laser processing technology possesses the advantages of high energy density, high precision, environmental friendliness, and efficiency, and it is widely used in the processing of ceramics, metals, composite materials, etc. [21][22] 23 In 2023, Deng et al first reported a simple and rapid strategy for preparing rare earth doped phosphors by 980 nm laser thermal effect.…”

Section: Introductionmentioning

confidence: 99%

Fluorescence and temperature sensing properties of Zr⁴⁺ and Er³⁺ codoped Y₂O₃ prepared by laser annealing

Zhao,

Deng,

Yang

et al. 2023

J Am Ceram Soc.

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Y2O3 codoped with different Zr4+ (10% mol, 30% mol, and 49% mol) and constant Er3+ (2% mol) ions were successfully prepared via the laser annealing method. According to the XRD data, the lattice parameters decrease with the increase of Zr4+, and the grain size increases with Zr4+. The crystal space group switches from Ia‐3 to Fm‐3 m at a Zr4+ concentration of 49% mol. As the concentration of doped Zr4+ increases, the upconversion emission of Er3+ decreases. The nonequivalent substitution of Y3+ by Zr4+ creates lattice defects, which affect the fluorescence intensity of Er3+ ions in the material. The temperature sensing behavior of Y88%Zr10%Er2%O1.55 crystals based on the fluorescence intensity ratio between 4S3/2→4I15/2 and 4I9/2→4I15/2 transitions of Er3+ is studied. The results show that after codoping with Zr4+, the 4S3/2→4I15/2 and 4I9/2→4I15/2 transitions satisfy the Boltzmann distribution formula at temperatures above 333K. And the temperature sensing relative sensitivity can reach 2.96%K−1.

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Enhancement of dual-mode emission and temperature sensing performance in Y2Zr2O7: Er3+ nano phosphor by incorporation of lithium ions

Cited by 21 publications

References 43 publications

Luminescent Y₂Zr₂O₇ for Ultrasensitive Detection of Volatile Organic Compounds Driven by Oxygen Vacancies

Luminescent Y₂Zr₂O₇ for Ultrasensitive Detection of Volatile Organic Compounds Driven by Oxygen Vacancies

The dual-model up/down-conversion green luminescence of NaSrGd(MoO₄)₃: Er³⁺ and its application for temperature sensing

Fluorescence and temperature sensing properties of Zr⁴⁺ and Er³⁺ codoped Y₂O₃ prepared by laser annealing

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Enhancement of dual-mode emission and temperature sensing performance in Y2Zr2O7: Er3+ nano phosphor by incorporation of lithium ions

Cited by 21 publications

References 43 publications

Luminescent Y2Zr2O7 for Ultrasensitive Detection of Volatile Organic Compounds Driven by Oxygen Vacancies

Luminescent Y2Zr2O7 for Ultrasensitive Detection of Volatile Organic Compounds Driven by Oxygen Vacancies

The dual-model up/down-conversion green luminescence of NaSrGd(MoO4)3: Er3+ and its application for temperature sensing

Fluorescence and temperature sensing properties of Zr4+ and Er3+ codoped Y2O3 prepared by laser annealing

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Product

Resources

About

Luminescent Y₂Zr₂O₇ for Ultrasensitive Detection of Volatile Organic Compounds Driven by Oxygen Vacancies

Luminescent Y₂Zr₂O₇ for Ultrasensitive Detection of Volatile Organic Compounds Driven by Oxygen Vacancies

The dual-model up/down-conversion green luminescence of NaSrGd(MoO₄)₃: Er³⁺ and its application for temperature sensing

Fluorescence and temperature sensing properties of Zr⁴⁺ and Er³⁺ codoped Y₂O₃ prepared by laser annealing