Spectroscopic properties of Er/Yb co-doped glass ceramics containing nanocrystalline Bi2ZnB2O7 for broadband near-infrared emission

Li, Mingming; Luan, Jiapan; Zhang, Yin; Jiang, Feng; Zhou, Xiang; Tang, Jun; Wang, Kai

doi:10.1016/j.ceramint.2019.06.116

Cited by 15 publications

(5 citation statements)

References 36 publications

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“…The 12 h-sintered pattern reveals additional crystalline phases-Bi 2 ZnB 2 O 7 and an unknown phase. These two crystalline phases are also found in literature about Bi 2 O 3 -based glasses [58][59][60][61][62][63][64][65][66]. On the other hand, it was found that all the 30 min-sintered glasses made from the coarse powders (d…”

supporting

confidence: 78%

Preparation of transparent Bi₂O₃‐ZnO‐B₂O₃ glass by conventional sintering at low temperatures

Shyu,

2023

J Am Ceram Soc.

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Glass components fabricated by the sintering route have wide‐ranging applications. However, one issue is that the crystallization tendency of glass powders often leads to residual pore‐glass interfaces and crystal‐glass interfaces, thereby causing strong light scattering and rendering the sintered glass opaque. This issue is particularly pronounced in glasses with a low glass transition temperature (Tg) due to their weak bonding and thus high crystallization tendency. In the present study, a Bi2O3‐ZnO‐B2O3 glass with a low Tg of 364°C was fabricated using the conventional sintering method to explore whether transparent glass materials can be obtained. The temperature range of crystallization of the glass powders was analyzed using differential scanning calorimetry. X‐ray diffraction was employed to analyze the crystalline phases formed in the sintered glasses. The microstructure of the sintered glasses was examined using scanning electron microscopy. The optical transmittance of the sintered glasses was measured using ultraviolet‐visible spectroscopy. The results show that transparent sintered glasses with the highest transmittance of 54% at the wavelength of 650 nm can be obtained by using a coarser initial particle size, lower forming pressure, and an appropriate sintering temperature/time (430°C/30 min). It is suggested that this combination of processing parameters can suppress glass crystallization while maintaining a low glass viscosity during sintering.

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confidence: 78%

Preparation of transparent Bi₂O₃‐ZnO‐B₂O₃ glass by conventional sintering at low temperatures

Shyu,

2023

J Am Ceram Soc.

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“…The broadbands are assigned to the Er 3+ : 4 I 13/2 → 4 I 15/2 transition, with maximum emission centered around 1534 nm and bandwidths between 77 and 93 nm ( Table 4 ). These bandwidth values were larger compared to other Er 3+ -doped matrixes reported in the literature:Er 3+ -doped silica-hafnia, with bandwidth of 48 nm ( Gonçalves et al, 2002 ); Er 3+ :SiO 2 -Al 2 O 3 , with bandwidth of 47 nm ( Benatsou et al, 1997 ), Er 3+ -doped niobic tellurite glass ( Lin et al, 2003 ); Er 3+ , Yb 3+ :Bi 2 ZnB 2 O 7 glass-ceramic, with bandwidth of 84 nm ( Li et al, 2019 ); and Er 3+ :SiO 2 -Ta 2 O 5 nanocomposite films, with bandwidth of 64 nm ( Ferrari et al, 2010 ), among others.…”

Section: Resultsmentioning

confidence: 69%

Super Broadband at Telecom Wavelengths From RE3+-Doped SiO2-Ta2O5 Glass Ceramics Planar Waveguides

et al. 2022

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This paper reports on the preparation of Er3+/Yb3+/Tm3+, Er3+/Yb3+/Nd3+, and Er3+/Tm3+/Nd3+ triply doped and Er3+-doped SiO2-Ta2O5 glass ceramic nanocomposites and active planar waveguides by the sol–gel process using the dip-coating technique as deposition method. The investigation of their structural, morphological, and luminescent properties using XRD, AFM, and photoluminescence analysis, are reported here. The XRD results showed the presence of L-Ta2O5 nanocrystals dispersed in the SiO2-based amorphous host for all the nanocomposites and films. The rare earth ion (RE3+) doping concentration affected both the crystallinity, and the crystallite sizes of the Ta2O5 dispersed into SiO2-Ta2O5 nanocomposites and waveguides. AFM characterization revealed crack free and smooth surface roughness and differences in viscoelasticity on the Er3+-doped SiO2-Ta2O5 films surface, which allows the identification of Ta2O5 nanocrystals on the SiO2 amorphous host. The Er3+ doped and triply doped SiO2-Ta2O5 nanocomposites displayed broad- and super broadband NIR emissions with a FWHM up to 173 nm achieved in the telecom wavelengths. The lifetime of the 4I13/2 emitting level of the Er3+-doped SiO2-Ta2O5 waveguides is strongly dependent on Er3+ concentration and an emission quenching was negligible up to 0.81 mol%. The structural and luminescent investigations indicated that RE3+-doped SiO2-Ta2O5 glass ceramics are promising candidates for photonic applications in optical devices operating in wide wavelengths at the telecom bands.

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“…2d), the electronic transitions take place from the ground state 4 I15/2 to the following energy levels: 4 G11/2 (364, 378 nm), 2 G9/2, 2 H9/2, 4 F9/2 (406 nm), 4 F5/2 (450 nm), 4 F7/2 (488 nm), 2 H11/2 (520 nm), 4 S3/2 (544 nm), 4 F9/2 (650 nm), 4 I9/2 (798 nm), 4 I11/2 (978 nm), and 4 I13/2 (1534 nm) [18,19]. The only absorption band (978 nm) of Yb 3+ ions corresponds to the transition 2 F7/2 → 2 F5/2 [43,44] (Fig. 2d).…”

Section: Optical Absorptionmentioning

confidence: 98%

“…Yb 3+ ions improved the symmetry and the coordination field degree around Er 3+ as well as the emission efficiency of the glass ceramic material. Under 980 nm excitation (corresponding to the transition 4 I13/2→ 4 I15/2), the samples produced a wide-band fluorescence between 1400-1700 nm [20]. Yb 3+ /Er 3+ co-doped lithium phosphate glass ceramics doped with 0.05Er2O3-0.25Yb2O3 (mol.…”

Section: Introductionmentioning

confidence: 99%

Peculiarities of the structural and optical properties of rare-earth-doped phosphate glasses for temperature sensing applications

Elisa

Iordache

et al. 2021

Journal of Non-Crystalline Solids

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Spectroscopic properties of Er/Yb co-doped glass ceramics containing nanocrystalline Bi2ZnB2O7 for broadband near-infrared emission

Cited by 15 publications

References 36 publications

Preparation of transparent Bi₂O₃‐ZnO‐B₂O₃ glass by conventional sintering at low temperatures

Preparation of transparent Bi₂O₃‐ZnO‐B₂O₃ glass by conventional sintering at low temperatures

Super Broadband at Telecom Wavelengths From RE3+-Doped SiO2-Ta2O5 Glass Ceramics Planar Waveguides

Peculiarities of the structural and optical properties of rare-earth-doped phosphate glasses for temperature sensing applications

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Spectroscopic properties of Er/Yb co-doped glass ceramics containing nanocrystalline Bi2ZnB2O7 for broadband near-infrared emission

Cited by 15 publications

References 36 publications

Preparation of transparent Bi2O3‐ZnO‐B2O3 glass by conventional sintering at low temperatures

Preparation of transparent Bi2O3‐ZnO‐B2O3 glass by conventional sintering at low temperatures

Super Broadband at Telecom Wavelengths From RE3+-Doped SiO2-Ta2O5 Glass Ceramics Planar Waveguides

Peculiarities of the structural and optical properties of rare-earth-doped phosphate glasses for temperature sensing applications

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Preparation of transparent Bi₂O₃‐ZnO‐B₂O₃ glass by conventional sintering at low temperatures

Preparation of transparent Bi₂O₃‐ZnO‐B₂O₃ glass by conventional sintering at low temperatures