Luminescence and Tm3+-to-Dy3+ energy transfer in TeO2:ZnO glass under NIR/UV excitation

Alves, R.T.; Rego-Filho, F.G.; Santos, F.P.S.; Silva, A.C.A.; Dantas, Noélio O.; Vermelho, M. V. D.; Gouveia‐Neto, A. S.

doi:10.1016/j.jlumin.2019.116706

Journal of Luminescence

2019

DOI: 10.1016/j.jlumin.2019.116706

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Luminescence and Tm3+-to-Dy3+ energy transfer in TeO2:ZnO glass under NIR/UV excitation

R.T. Alves

F.G. Rego-Filho

F.P.S. Santos

et al.

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Cited by 21 publications

(1 citation statement)

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“…11) In order to solve this problem, rare earth (RE) ions doped wide bandgap semiconductors have attracted much attention as a promising luminescent material, because the emission wavelength of RE luminescence is hardly affected by temperature and the emission line from the 4 f intra-shell transitions in RE ions is very narrow. [12][13][14] We have focused on Ga 2 O 3 as the host material doped with RE ions because Ga 2 O 3 has a very wide bandgap (∼4.9 eV) and stable chemical and physical properties. We have fabricated green LEDs based on Er-Ga 2 O 3 and red LEDs based on Eu-Ga 2 O 3 .…”

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confidence: 99%

Low threshold voltage blue light emitting diodes based on thulium doped gallium oxides

Chen¹,

Saito²,

Tanaka³

et al. 2021

Appl. Phys. Express

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Thulium doped gallium oxides (Tm-Ga 2 O 3 ) films were deposited on Si substrates by the pulsed laser deposition method. Blue emissions (476 nm and 460 nm) can be observed by the naked eye from Tm-Ga 2 O 3 /Si light emitting diodes (LEDs). The threshold voltage of Tm-Ga 2 O 3 /Si LEDs is 6.3 V, which is lower than that of Tm-GaN/Si devices. By combining our previously reported green emission from Er-Ga 2 O 3 and red emission from Eu-Ga 2 O 3 , strong blue emission from Tm-Ga 2 O 3 can realize the full-color LEDs with the single host of Ga 2 O 3 . These results open a pathway for integrating Ga 2 O 3 based full-color LEDs with mainstream Si technology.

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mentioning

confidence: 99%

Low threshold voltage blue light emitting diodes based on thulium doped gallium oxides

Chen¹,

Saito²,

Tanaka³

et al. 2021

Appl. Phys. Express

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Multimode Luminescence with Temperature and Energy Level Synergistic Dependence in Rare Earth Halide DPs for Advanced Multifunctional Applications

Lian,

Hou,

Lin

et al. 2024

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Rare‐earth halide double perovskites (DPs) have attracted extensive attention due to their excellent optoelectronic performance. However, the correlation between luminescence performance, crystal structure, and temperature, as well as the inherent energy transfer mechanism, is not well understood. Herein, Lanthanide ions (Ln3+: Nd3+ or Dy3+) as the co‐dopants are incorporated into Sb3+ doped Cs2NaYbCl6 DPs to construct energy transfer (ET) models to reveal the effects of temperature and energy levels of rare earth on luminescence and ET. The different excited state structures of Sb3+‐Ln3+ doped Cs2NaYbCl6 DPs at different temperatures and relative positions of energy levels of rare earth synergistically determine the physical processes of luminescence. These multi‐mode luminescent materials exhibit good performance in anti‐counterfeiting, NIR imaging, and temperature sensing. This work provides new physical insights into the effects of temperature and energy levels of rare earth on the energy transfer mechanism and related photophysical process.

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Linear and nonlinear optical properties and luminescence of Dy+3-doped aluminoborate glasses: Judd–Ofelt investigation

Okasha¹,

Marzouk

2021

J Mater Sci: Mater Electron

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Luminescence and Tm3+-to-Dy3+ energy transfer in TeO2:ZnO glass under NIR/UV excitation

Cited by 21 publications

References 42 publications

Low threshold voltage blue light emitting diodes based on thulium doped gallium oxides

Low threshold voltage blue light emitting diodes based on thulium doped gallium oxides

Multimode Luminescence with Temperature and Energy Level Synergistic Dependence in Rare Earth Halide DPs for Advanced Multifunctional Applications

Linear and nonlinear optical properties and luminescence of Dy+3-doped aluminoborate glasses: Judd–Ofelt investigation

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