Effect of Er3+ concentration on the photoluminescence of Y2O3/ZnO up-conversion films

Wang, Danping; Xu, Boxu; Zou, Kaishun; Sun, Min; Dong, Guang-Zong; Liu, Juncheng

doi:10.1016/j.optmat.2018.06.003

Cited by 12 publications

(3 citation statements)

References 33 publications

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“…On the contrary, Wang et al [13] suggested a completely different scenario when ZnO is mixed together with Y 2 O 3 . They suggested that the mismatch of ionic radii between Y 3+ (0.92 Å) and Zn 2+ (0.74 Å) and their valency states prevent entering the rare earth ions into ZnO.…”

Section: Introductionmentioning

confidence: 99%

Investigation of the role of yttrium sesquioxide nanoparticles on the properties of zinc oxide ceramics

Pereira Soares,

Atrey,

Banerjee

et al. 2024

Nano Ex.

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In this work, zinc oxide (ZnO) ceramics were synthesized containing 0-5wt% of cubic yttrium sesquioxide (Y 2 O 3) nanoparticles with solid state sintering technique at 1150°C. The secondary phase of Y 2 O 3 did not enter into the crystalline zinc oxide. The Y 2 O 3 acts as an inhibitor of grain growth. The absorption of the free charge carriers by the Y 2 O 3 phase influences the infrared transmissions. The minimization of the phase mismatch while transferring the electric signal caused lower losses when Y 2 O 3 was added to the zinc oxide matrices. The presence of the cubic sesquioxide at the grain boundary contributes to the interfacial polarization at lower frequencies when an alternating field is applied to the ceramics. These properties are anticipated to show a wider range of physical, optical and dielectric properties of ZnO: Y ceramics for optoelectronic applications.

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Section: Introductionmentioning

confidence: 99%

Investigation of the role of yttrium sesquioxide nanoparticles on the properties of zinc oxide ceramics

Pereira Soares,

Atrey,

Banerjee

et al. 2024

Nano Ex.

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“…12 Er 3+ ions are particularly intriguing because they can achieve up-conversion luminescence without the need for a sensitizer like some other rare earth ions. 13,14 The intricate conguration of their electronic energy levels enables the detection of transitions at various wavelengths. When stimulated by infrared radiation, Er 3+ ions exhibit diverse color emissions, rendering them signicant luminescent ions in the mid-infrared spectrum, and leading to a multitude of applications.…”

Section: Introductionmentioning

confidence: 99%

New insights on the optical properties and upconversion fluorescence of Er-doped CoAl₂O₄ nanocrystals

Kien,

Lam,

Duong

et al. 2024

RSC Adv.

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“…Danping Wang et al synthesized Y 2 O 3 /ZnO UC films via a sol-gel method. The luminescence intensity of these films is enhanced significantly with a maximum value at an Er 3+ doping concentration of 4 mol% [17]. Yuehui Tai et al prepared Yb 3+ /Tm 3+ co-doped Y 2 O 3 UC materials and Y 2 O 3 :Yb 3+ , Tm 3+ /ZnO (Y/Z) composite photocatalysts for the photocatalytic degradation of dyes.…”

Section: Introductionmentioning

confidence: 99%

Tunable Emission and Color Temperature of Yb3+/Er3+/Tm3+-Tridoped Y2O3-ZnO Ceramic Nano-Phosphors Using Er3+ Concentration and Excitation Pump Power

Song

et al. 2022

Nanomaterials

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In this study, a series of well-crystallized Yb3+/Er3+/Tm3+-tridoped Y2O3-ZnO ceramic nano-phosphors were prepared using sol–gel synthesis, and the phosphor structures were studied using X-ray diffraction, scanning electron microscopy, and thermogravimetric analysis. The phosphors were well crystallized and exhibited a sharp-edged angular crystal structure and mesoporous structure consisting of 270 nm nano-particles. All phosphors generated blue, green, and red emission bands attributed to Tm: 1G4→3H6, Er: 2H11/2 (4S3/2)→4I15/2, and Er: 4F9/2→4I15/2 radiative transitions, respectively. Increasing in luminescent centers, weakening of lattice symmetry, and releasing of dormant rare earth ions can enhance all emissions. Er3+ can obtain energy from Tm3+ to enhance green and red emission. These colors can be tuned by optimizing the doping concentrations of the Er3+ ion. The color coordinates were adjusted by tuning both the Er3+ concentration and excitation laser pump power to shift the color coordinates and correlated color temperature. The findings of this study will broaden the potential practical applications of phosphors.

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Effect of Er3+ concentration on the photoluminescence of Y2O3/ZnO up-conversion films

Cited by 12 publications

References 33 publications

Investigation of the role of yttrium sesquioxide nanoparticles on the properties of zinc oxide ceramics

Investigation of the role of yttrium sesquioxide nanoparticles on the properties of zinc oxide ceramics

New insights on the optical properties and upconversion fluorescence of Er-doped CoAl₂O₄ nanocrystals

Tunable Emission and Color Temperature of Yb3+/Er3+/Tm3+-Tridoped Y2O3-ZnO Ceramic Nano-Phosphors Using Er3+ Concentration and Excitation Pump Power

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Effect of Er3+ concentration on the photoluminescence of Y2O3/ZnO up-conversion films

Cited by 12 publications

References 33 publications

Investigation of the role of yttrium sesquioxide nanoparticles on the properties of zinc oxide ceramics

Investigation of the role of yttrium sesquioxide nanoparticles on the properties of zinc oxide ceramics

New insights on the optical properties and upconversion fluorescence of Er-doped CoAl2O4 nanocrystals

Tunable Emission and Color Temperature of Yb3+/Er3+/Tm3+-Tridoped Y2O3-ZnO Ceramic Nano-Phosphors Using Er3+ Concentration and Excitation Pump Power

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New insights on the optical properties and upconversion fluorescence of Er-doped CoAl₂O₄ nanocrystals