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含钇多金属氧酸盐的合成及稀土多元扩渗与电性能

ISSN号：1001-9731
期刊名称：《功能材料》
时间：0
分类：O624[理学—有机化学;理学—化学]
作者机构：哈尔滨师范大学,化学系,黑龙江,哈尔滨,150080, 哈尔滨工业大学,应用化学系,黑龙江,哈尔滨,150001, 哈尔滨学院化学系,黑龙江,哈尔滨,150080 哈尔滨工业大学,应用化学系,黑龙江,哈尔滨,150001 哈尔滨学院化学系,黑龙江,哈尔滨,150080 哈尔滨工业大学,应用化学系,黑龙江,哈尔滨,150001 哈尔滨工业大学,应用化学系,黑龙江,哈尔滨,150001
相关基金：国家自然科学基金资助项目(20371014);黑龙江省教育厅科研资助项目(10531070);哈尔滨市学科后备带头人基金资助项目(2002AFXXJ050)和哈尔滨师范大学博士科研启动基金

中文摘要：

用降解法或直接法合成了未见报道的四种含钇多元杂多配合物.通过化学分析、ICP和TG曲线确定了其化学式为K18-2nH3[Y(Xn+W11O39)2]·mH2O(X=B3+,Si4+,P5+)和K10H3[Y(SiW9Mo2O39)2];利用IR、XRD、183W-NMR、循环伏安等手段对其结构进行了表征,结果表明杂多阴离子为α-型或β2-型Keggin结构.采用稀土多元渗的方法对配合物进行了气相热扩渗,经ICP和XPS测试表明:微量的稀土元素La、Sm和Dy可以渗入到配合物的体相,并与组份元素存在键合作用;导电性的测试结果表明:室温时,扩渗后试样的电导率提高了约104～106倍,且与中心原子有关.

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