微波辅助燃烧法合成LaMgB_(5)O_(10)晶体  

Synthesis of LaMgB_(5)O_(10) Crystal by Microwave-assisted Combustion Method

作　　者：宫红[1] 吴静 赵旭光 付丽婷 贾雅薇 孟竺 张静 储刚[1] GONG Hong;WU Jing;ZHAO Xu-guang;FU Li-ting;JIA Ya-wei;MENG Zhu;ZHANG Jing;CHU Gang(School of Petrochemical Engineering,Liaoning Petrochemical University,Fushun 113001,China;Engineering Training Center,Liaoning Petrochemical University,Fushun 113001,China)

机构地区：[1]辽宁石油化工大学石油化工学院,辽宁抚顺113001 [2]辽宁石油化工大学工程训练中心,辽宁抚顺113001

出　　处：《稀有金属与硬质合金》2021年第6期37-41,46,共6页Rare Metals and Cemented Carbides

基　　金：辽宁省高等学校创新人才支持项目(LR2017011)。

摘　　要：以六水合硝酸镧、六水合硝酸镁、硼酸为原料,甘氨酸为燃烧剂,通过微波辅助燃烧法制备了LaMgB_(5)O_(10)发光基质材料。采用XRD、SEM、XPS手段分析了产物的晶粒尺寸、形貌、化学元素组成及价态。实验结果表明,在原料La(NO_(3))_(3)·6H_(2)O、Mg(NO_(3))_(2)·6H_(2)O、H_(3)BO_(3)摩尔比为1∶1∶6,样品微波处理功率为550 W,晶化温度为600℃,晶化时间为4 h的条件下,制备出的LaMgB_(5)O_(10)发光基质材料晶体结构最好。Using lanthanum nitrate hexahydrate,magnesium nitrate hexahydrate and boric acid as the raw materials and glycine as the combustion agent,LaMgB_(5)O_(10) luminescent matrix material was prepared by microwave-assisted combustion method.The grain size,morphology,chemical element composition and valence state of the product were analyzed by XRD,SEM and XPS.The experimental results show that the prepared luminescent matrix material LaMgB_(5)O_(10) has the best crystal structure when the molar ratio of La(NO_(3))_(3)·6 H_(2)O,Mg(NO_(3))_(2)·6 H_(2)O and H_(3)BO_(3)is 1∶1∶6,the microwave power is 550 W,the crystallization temperature is 600℃and the crystallization time is 4 h.

关 键 词：LaMgB_(5)O_(10) 微波辅助燃烧法 发光基质材料 晶化 

分 类 号：TB34[一般工业技术—材料科学与工程]