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首页> 外文期刊>Solid state ionics >Softchemical synthesis and conduction properties of new layered bismuth-based compound incorporated with silver and iodine elements
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Softchemical synthesis and conduction properties of new layered bismuth-based compound incorporated with silver and iodine elements

机译：含银和碘元素的新型层状铋基化合物的软化学合成和导电性能

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Softchemical synthesis of a new type of intercalation ionic conductor was attempted by intercalating Ag into precedently I-intercalated Sr1.5Bi7.5O12.75 whose pristine host is a typical van der Waals type of layered compound. As a result, a new layered Bi-based intercalation compound, Ag-I intercalated Sr1.5Bi7.5O12.75, was successfully synthesized, in which the guest atoms had been considered to be located in the van der Waals spacings of the pristine host. The conductivities of the new intercalation compound thus synthesized were of the order of 10(-4) (S/cm) at 500 K. The values were about 10(3)-10(4) times as high as, those of host and I-Sr1.5Bi7.5O12.75 without the intercalation of Ag. From the enhanced conduction properties in the Ag-I intercalated Sr1.5Bi7.5O12.75, migration of the Ag intercalated was suggested. The chemical composition in the guest layers, was varied with the added amount of Ag to starting mixtures, being in ranges from 0.68 to 0.76 for Ag and from 1.45 to 1.65 for I, respectively. In this report, the effects of guest composition on the structures and the conduction properties of Ag-I intercalated Sr1.5Bi7.5O12.75 were discussed. (C) 2002 Elsevier Science B.V. All rights reserved. [References: 13]
机译：尝试通过将Ag嵌入先期I嵌入的Sr1.5Bi7.5O12.75（其原始宿主是典型的范德华类型的层状化合物）来尝试软化学合成新型的嵌入离子导体。结果，成功地合成了一种新的层状Bi基插层化合物Ag-I插层Sr1.5Bi7.5O12.75，其中客体原子被认为位于原始主体的范德华间距内。如此合成的新插层化合物在500 K时的电导率约为10（-4）（S / cm）。该值约为基质和电导率的10（3）-10（4）倍。 I-Sr1.5Bi7.5O12.75，没有嵌入银。从在Ag-I插层的Sr1.5Bi7.5O12.75中增强的导电性能，可以看出Ag插层的迁移。客体层中的化学组成随Ag向起始混合物中的添加量而变化，Ag的范围分别为0.68至0.76，I的范围为1.45至1.65。在该报告中，讨论了客体组成对Ag-I嵌入Sr1.5Bi7.5O12.75的结构和导电性能的影响。 （C）2002 Elsevier Science B.V.保留所有权利。 [参考：13]

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