CsCl对Ge20Sb10Se65Te5玻璃结构与性能的影响

硅酸盐通报 ›› 2024, Vol. 43 ›› Issue (4): 1318-1324.

• “玻璃材料与玻璃技术”专题(II) • 上一篇下一篇

CsCl对Ge₂₀Sb₁₀Se₆₅Te₅玻璃结构与性能的影响

张宝东¹, 许军锋², 赵华¹, 祖成奎¹, 刘永华¹, 张袆袆¹, 潘峰¹, 周鹏¹

1.中国建筑材料科学研究总院有限公司,北京 100024;
2.西安工业大学材料与化工学院,西安 710021

收稿日期:2023-11-16 修订日期:2023-12-27 出版日期:2024-04-15 发布日期:2024-04-17
作者简介:张宝东(1995—),男,助理工程师。主要从事红外特种玻璃的研究。E-mail:zhangbaodong_z@163.com
基金资助:
建材联合会“揭榜挂帅”项目(20221JBGS06-19)

Effect of CsCl on Structure and Properties of Ge₂₀Sb₁₀Se₆₅Te₅ Glass

ZHANG Baodong¹, XU Junfeng², ZHAO Hua¹, ZU Chengkui¹, LIU Yonghua¹, ZHANG Yiyi¹, PAN Feng¹, ZHOU Peng¹

1. China Building Materials Academy, Beijing 100024, China;
2. School of Materials and Chemical Engineering, Xi'an Technological University, Xi'an 710021, China

Received:2023-11-16 Revised:2023-12-27 Online:2024-04-15 Published:2024-04-17

摘要/Abstract

摘要： CsCl是制备硫系微晶玻璃最常用的形核剂,本文在Ge₂₀Sb₁₀Se₆₅Te₅玻璃中添加不同含量的CsCl,通过不同的冷却方式制备玻璃试样,使用X射线衍射、红外透过光谱、差示扫描量热分析、热膨胀、拉曼光谱等测试方法,研究CsCl对Ge₂₀Sb₁₀Se₆₅Te₅玻璃结构与性能的影响。结果表明:通过盐浴冷却制备的(100-x)Ge₂₀Sb₁₀Se₆₅Te₅-xCsCl(x%=0%,1%,2%,3%,4%,质量分数)玻璃是典型的非晶态结构,并具有良好的红外透过性能;在Ge₂₀Sb₁₀Se₆₅Te₅玻璃中加入CsCl后,玻璃的长波截止波长没有明显的变化,平均线性膨胀系数明显增大,随着CsCl含量的增加,玻璃的密度、显微维氏硬度、开始析晶温度、析晶峰温度、屈服点和软化点都逐渐减小,玻璃的热稳定性能降低;随着CsCl含量的增加,玻璃中Sb—Se键的含量减少,玻璃结构堆积紧密程度降低,这也是玻璃密度和显微维氏硬度降低的原因。

关键词: 硫系玻璃, CsCl, 冷却方式, 红外透过率, 热稳定性能, 拉曼光谱

Abstract: CsCl is the most commonly used nucleating agent for preparing chalcogenide glass-ceramics. In this paper, different content of CsCl was added to Ge₂₀Sb₁₀Se₆₅Te₅ glass, and glass samples were prepared by different cooling methods. The effect of CsCl on the structure and properties of Ge₂₀Sb₁₀Se₆₅Te₅ glass was studied by X-ray diffraction, infrared transmission spectra, differential scanning calorimetry, thermal expansion and Raman spectra. The results show that (100-x)Ge₂₀Sb₁₀Se₆₅Te₅-xCsCl(x%=0%, 1%, 2%, 3%, 4%, mass fraction) glass prepared by salt bath cooling has a typical amorphous structure and good infrared transmittance. After adding CsCl into Ge₂₀Sb₁₀Se₆₅Te₅ glass, the long-wave cut-off wavelength of the glass has no obvious change, but the average linear expansion coefficient increases obviously. With the increase of CsCl content, the density, micro Vickers hardness, initial crystallization temperature, crystallization peak temperature, yield point and softening point of the glass gradually decrease, and the thermal stability of the glass decreases. With the increase of CsCl content, the content of Sb—Se bond in glass decreases, and the packing degree of the glass structure decreases, which is also the reason for the decrease of the glass density and micro Vickers hardness.

Key words: chalcogenide glass, CsCl, cooling method, infrared transmittance, thermal stability, Raman spectra

中图分类号:

TN213
TQ171

张宝东, 许军锋, 赵华, 祖成奎, 刘永华, 张袆袆, 潘峰, 周鹏. CsCl对Ge₂₀Sb₁₀Se₆₅Te₅玻璃结构与性能的影响[J]. 硅酸盐通报, 2024, 43(4): 1318-1324.

ZHANG Baodong, XU Junfeng, ZHAO Hua, ZU Chengkui, LIU Yonghua, ZHANG Yiyi, PAN Feng, ZHOU Peng. Effect of CsCl on Structure and Properties of Ge₂₀Sb₁₀Se₆₅Te₅ Glass[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2024, 43(4): 1318-1324.

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CsCl对Ge₂₀Sb₁₀Se₆₅Te₅玻璃结构与性能的影响

Effect of CsCl on Structure and Properties of Ge₂₀Sb₁₀Se₆₅Te₅ Glass

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