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低含氧量复合氟化物的溶剂热合成及表征

Solvothermal synthesis and characterization of complex fluorides with lower oxygen content

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【Author】 HUA Ruinian1,XIE Demin1,SHI Chunshan2(1.Faculty of Chemistry,Northeast Normal University, Changchun 130024,China;2.Changchun Institute of Applied Chemistry,Changchun 130022,China)

【机构】东北师范大学化学学院；中国科学院长春应用化学研究所吉林长春130024；吉林长春130024；吉林长春130022；

【摘要】通过溶剂热法合成出钙钛矿结构复合氟化物KMF3(M=Mg,Zn,Co,Ni)及LiBaF3.用乙二醇做溶剂合成LiBaF3,KMgF3和KNiF3,反应物摩尔比均为1∶1,反应温度180℃,反应时间分别为4,1和1d;用乙醇做溶剂合成KZnF3和KCoF3,反应物摩尔比为2∶1和1∶1,反应温度为180℃,反应时间均为1d.用XRD,SEM,TGA,IR及XPS等手段对产物进行了表征.更多还原

【Abstract】 The complex fluorides KMF3(M=Mg,Zn,Co and Ni) and LiBaF3 with perovskite structures were solvothermally synthesized and characterized by means of Xray powder diffraction,scanning electron microscopy,thermogravimetric analysis,infrared spectroscopy and Xray photoelectron spectrometry.In the synthesis of LiBaF3,KMgF3 and KNiF3,the ratios of initial composition are 1∶1,and ethylene glycol was used as solvent.The reaction temperature is 180℃ and the reaction time are 4 days,1 day and 1 day,respectively.In the synthesis of KZnF3 and KCoF3,the ratios of initial composition are 2∶1 and 1∶1,respectively.Ethanol was used as solvent.The reaction temperature is 180℃ and the reaction time are 1 day and 1 day,respectively.更多还原

【关键词】复合氟化物；溶剂热合成； KMF₃（M=Mg,Zn,Co,Ni）； LiBaF₃；
【Key words】 complex fluorides； solvothermal synthesis； KMF₃（M=Mg,Zn,Co,Ni）； LiBaF₃；

【基金】国家自然科学基金资助项目(50072031);国家重点基础研究发展规划资助项目.

【文献出处】分子科学学报 ,Journal of Molecular Science , 编辑部邮箱 ,2003年03期

【分类号】O613.41
【被引频次】11
【下载频次】182

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