Microstructures and properties of (65-x)SiO2-xBi2O3-10B2O3-25CuO glasses

Guo, Hongwei; Liu, Lei; Chi, Longxing; Liu, Shuai; Rongyue, Li; Bai, Yun; Liu, Hulin

doi:10.1016/j.jnoncrysol.2021.120972

Cited by 3 publications

(2 citation statements)

References 28 publications

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“…Figure 3 shows the infrared absorption spectrum of BBZ‐Nd glass samples appear near 520 cm −1 ,700 cm −1 ,840 cm −1 ,1000 cm −1 ,1200∼1400 cm −1 (the major absorption bands and their vibration types summarized in table 2). 16–19 It seems that the absorption intensity of band observed at 544 cm −1 which ascribes to the vibrations of Bi–O–Bi bonds in distorted [BiO 6 ] octahedron network increases firstly and then decreases with the increase of Nd 2 O 3 content, implying the content of [BiO 6 ] hexahedron in glass structure also increases first and then decreases. Correspondingly, the change of absorption intensity band at 840 cm −1 , which is a characteristic peak of [BiO 3 ] triangle unit, reflects the fact that the content of [BiO 3 ] triangular structure decreases and then increases.…”

Section: Resultsmentioning

confidence: 99%

Tailoring the efficient laser‐absorption‐melting behavior of Bi₂O₃‐B₂O₃‐ZnO‐Nd₂O₃ glass for the OLED encapsulation

et al. 2022

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The efficient 810 nm laser energy conversion of glass frit had been proven to be the key to the long‐term hermetic encapsulation of Organic Light Emitting Display (OLED). A direct laser energy conversion laser‐assisted Bi2O3‐B2O3‐ZnO‐Nd2O3 sealing glass material without extra laser absorbent such as carbon black, was designed and systematically investigated. The addition of Nd2O3, as glass modifiers with higher cationic field strength, could be conducive to enhancing the polymerization of glass network structure, manifesting that the glass‐transition temperature Tg, onset‐crystallization temperature Tc and thermal stability ΔT (ΔT = Tc‐Tg) increased, while thermal expansion coefficient CTE dropped to 9.72×10−6/°C and advantageously matched with the glass substrate (8±1×10−6/°C). More importantly, the absorption rate of BBZ‐Nd glass was more than 50 % between 800∼810 nm owing to the 4f‐4f electron transition of Nd3+ ions, and yet the reflectivity and transmittance of the wavelength at 800–810 nm were lower. As optimal compositions, the addition of 3.0 wt% Nd2O3 in Bi2O3‐B2O3‐ZnO‐Nd2O3 glass frit with higher absorption coefficients (80 %) led to instantaneous bonding encapsulation between glass substrates without interfacial cracks or pores with the 808 nm wavelength of the laser at 20 W and 2.4 mm/s.

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Section: Resultsmentioning

confidence: 99%

Tailoring the efficient laser‐absorption‐melting behavior of Bi₂O₃‐B₂O₃‐ZnO‐Nd₂O₃ glass for the OLED encapsulation

et al. 2022

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“…The choice of shielding material is contingent upon several factors, such as the nature of the radiation, system specifications, resilience to radiation-induced harm, economic circumstances, and mechanical characteristics [26]. Low-melting glass is a common binder phase in advanced electronics technology due to its low sealing temperature, heat resistance, and air tightness [27], [28]. PbO-based glasses are particularly popular due to their low glass transition temperature and excellent thermal and electrical properties [29].…”

Section: Introductionmentioning

confidence: 99%

Gamma-Ray Shielding Capacity of Bi2O3-SiO2-B2O3 Glass Powders with Different Bi2O3 Contents

Şengül,

Akkurt

2024

Bitlis Eren Üniversitesi Fen Bilimleri Dergisi

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In the present work, features of the ionizing radiation shielding of Bi2O3-SiO2-B2O3 glass powders with different Bi2O3 contents (45–60 mass%) has been investigated by using GAMOS (version 6.2). The validation of generated GAMOS simulation geometry has been provided by comparing the results with standard XCOM data for mass attenuation coefficients of glass powders. The Monte Carlo simulations were used to score photons that traveled in an absorber within the energy range of 0.01 MeV to 20 MeV, depending on the parameter under study. The simulation model involved a monoenergetic point source producing a pencil beam, absorber, and detector. We have calculated the mass attenuation coefficient (MAC), Half-value layer (HVL), Tenth-value layer (TVL), and Mean Free Path (MFP). The greatest linear attenuation coefficients in the whole energy range are related to Bi60 and the lowest were to Bi45. The obtained results were compared and these results are in good agreement with the obtained values from the XCOM program

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Enhanced UVB 311 emission in Sb2O3–SiO2 glasses doped with Gd2O3 and tailored Pb3O4 content for potential phototherapy

Dana Rao,

Ravi Kumar,

Purnachand

et al. 2024

Optical Materials

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Microstructures and properties of (65-x)SiO2-xBi2O3-10B2O3-25CuO glasses

Cited by 3 publications

References 28 publications

Tailoring the efficient laser‐absorption‐melting behavior of Bi₂O₃‐B₂O₃‐ZnO‐Nd₂O₃ glass for the OLED encapsulation

Tailoring the efficient laser‐absorption‐melting behavior of Bi₂O₃‐B₂O₃‐ZnO‐Nd₂O₃ glass for the OLED encapsulation

Gamma-Ray Shielding Capacity of Bi2O3-SiO2-B2O3 Glass Powders with Different Bi2O3 Contents

Enhanced UVB 311 emission in Sb2O3–SiO2 glasses doped with Gd2O3 and tailored Pb3O4 content for potential phototherapy

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Microstructures and properties of (65-x)SiO2-xBi2O3-10B2O3-25CuO glasses

Cited by 3 publications

References 28 publications

Tailoring the efficient laser‐absorption‐melting behavior of Bi2O3‐B2O3‐ZnO‐Nd2O3 glass for the OLED encapsulation

Tailoring the efficient laser‐absorption‐melting behavior of Bi2O3‐B2O3‐ZnO‐Nd2O3 glass for the OLED encapsulation

Gamma-Ray Shielding Capacity of Bi2O3-SiO2-B2O3 Glass Powders with Different Bi2O3 Contents

Enhanced UVB 311 emission in Sb2O3–SiO2 glasses doped with Gd2O3 and tailored Pb3O4 content for potential phototherapy

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Tailoring the efficient laser‐absorption‐melting behavior of Bi₂O₃‐B₂O₃‐ZnO‐Nd₂O₃ glass for the OLED encapsulation

Tailoring the efficient laser‐absorption‐melting behavior of Bi₂O₃‐B₂O₃‐ZnO‐Nd₂O₃ glass for the OLED encapsulation