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Syntheses and Characterization of Novel Iron Phosphates

Abstract

摘要自1983年黄磷铁矿中发现分子大孔洞以来,铁磷酸盐作为催化剂、分子筛以及离子交换剂的候选材料,吸引着越来越多的材料学家和化学家对它们的合成和应用进行研究。本文使用水热法合成了四种新型铁磷酸盐化合物和一种未知结构化合物,通过X-射线单晶衍射法测定了其中三种化合物的晶体结构,并运用EDX测定了化合物的化学组成,SEM和光学显微镜观察晶体的形貌,IR测定化合物中所含的官能团,squid磁性测试仪表征了化合物的低温磁学性能。1新化合物K2Fe[H(HPO4)2]F2该化合物为单斜晶系,空间群为P21/a,晶体学参数为:a=10.758(2)Å,b=8.2530(17)Å,c...Abstract Since huge molecular tunnel was found in the crystal structure of cacoxenite in 1983, more and more scientists focused on the research of iron phosphates for their potential applications in the catalysis, ion-exchanger and molecular sieves. Four novel iron phosphates and one structure-unknown iron phosphate were synthesised by hydrothermal reaction in this thesis. Three ...学位:工学硕士院系专业:化学化工学院材料科学与工程系_材料物理与化学学号:20033601

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