沈 成1,李萌萌1,郭立升1,曹孙根2,魏宇学1,蔡梦蝶1,孙 松1
(1. 安徽大学 化学化工学院,安徽 合肥 230601;2. 安徽钜芯半导体科技有限公司,安徽 池州 247100)
DOI:10.13732/j.issn.1008-5548.2022.05.004
收稿日期: 2022-02-26, 修回日期:2022-04-30,在线出版时间:2022-07-13 11:11。
基金项目:国家自然科学基金项目,编号:21902001、22102001;安徽省自然科学基金项目,编号:2008085QB85;安徽省重点研究与开发计划,编号:202004a05020015;安徽省教育厅基金项目,编号:KJ2021A0027。
第一作者简介:沈成(1996—),男,硕士研究生,研究方向为粉体催化剂的合成与应用。E-mail:2513498538@qq.com。
通信作者简介:
郭立升(1991—),男,讲师,博士,硕士生导师,研究方向为工业催化剂新材料合成。E-mail:lsguo@ahu.edu.cn。
孙松(1982—),男,教授,博士,博士生导师,研究方向为新材料合成及表征。E-mail:suns@ustc.edu.cn。
摘要:采用高温熔融和水淬工艺制备Bi2O3-B2O3-SiO2-ZnO-Al2O3-Ga2O3-K2O系玻璃粉,改变玻璃粉中Ga2O3和K2O的含量,研究玻璃粉形貌和结构的相应变化;结合X射线衍射、扫描电子显微镜、 X射线光电子能谱等多种技术手段研究玻璃粉的形貌、成分变化;结合红外光谱、拉曼光谱的定性分析,定量分析Ga2O3和K2O含量对玻璃粉网络结构的影响。结果表明:Ga2O3和K2O参与形成玻璃粉的网络结构,K2O可以促进[BO3]三角体转变为[BO4]四面体,促进[BiO3]四面体转变为[BiO6]八面体;Ga2O3在玻璃粉网络结构中充当网络修饰体,与玻璃粉中其他氧化物能良好地共熔。
关键词:铋系玻璃粉;氧化镓;氧化钾;形貌;高温熔融
Abstract:Bi2O3-B2O3-SiO2-ZnO-Al2O3-Ga2O3-K2O glass powder was fabricated by high-temperature melting and water quenching. Changing the content of Ga2O3 and K2O in glass powder, the morphology and structure of glass powder were studied. The morphology and composition of glass powder were studied by XRD, SEM, and XPS. The effect of Ga2O3 and K2O content on the network structure of glass powder was analyzed by FTIR and Raman. The results show that Ga2O3 and K2O are involved in forming the network structure of glass powder. K2O can promote the transformation of [BO3] triangle into [BO4] tetrahedron, and the transformation of [BiO3] tetrahedron into [BiO6] octahedron. Ga2O3 plays the role of network modifier in the glass powder network, structure and has good co-melting with other oxides in the glass powder.
Keywords:bismuth glass powder; gallium oxide; potassium oxide; morphology; high-temperature melting
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