Thermodynamic Study of Ag8GeTe6 and Ag8GeTe6 – xSex Solid Solutions by the EMF Method with Solid Ag+-Conducting Electrolyte

IF 1.1 4区工程技术 Q4 ELECTROCHEMISTRY Russian Journal of Electrochemistry Pub Date : 2024-01-16 DOI:10.1134/s1023193523120030

A. J. Amiraslanova, A. T. Mamedova, S. Z. Imamaliyeva, I. J. Alverdiyev, Yu. A. Yusibov, M. B. Babanly

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Abstract

The thermodynamic properties of the Ag₈GeTe₆ compound and Ag₈GeTe_{6 –} _xSe_x solid solutions are studied by means of EMF measurement of concentration cells with a solid Ag electrode relative to the Ag₄RbI₅ electrolyte in the temperature range 300–400 K. From the EMF measurement data, the partial thermodynamic functions of silver in the alloys are calculated. Based on the solid-phase equilibria data in the Ag–Ge–Se–Te system, the potential-forming reactions responsible for these partial molar functions are determined and the standard thermodynamic functions of formation and standard entropies of the Ag₈GeTe₆ compound and Ag₈GeTe₅Se, Ag₈GeTe₄Se₂, Ag₈GeTe₃Se₃, Ag₈GeTe₂Se₄, and Ag₈GeTeSe₅ solid solutions are calculated.

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通过电磁场法对 Ag8GeTe6 和 Ag8GeTe6 - xSex 固溶体与固体 Ag+ 导电电解质进行热力学研究

摘要在 300-400 K 的温度范围内，通过对相对于 Ag4RbI5 电解质的 Ag8GeTe6 固体电极浓度池进行电磁场测量，研究了 Ag8GeTe6 化合物和 Ag8GeTe6 - xSex 固溶体的热力学性质。根据 Ag-Ge-Se-Te 体系中的固相平衡数据，确定了造成这些部分摩尔函数的潜在形成反应，并计算了 Ag8GeTe6 化合物和 Ag8GeTe5Se、Ag8GeTe4Se2、Ag8GeTe3Se3、Ag8GeTe2Se4 和 Ag8GeTeSe5 固溶体的标准形成热力学函数和标准熵。

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来源期刊

Russian Journal of Electrochemistry 工程技术-电化学

CiteScore

1.90

自引率

8.30%

发文量

102

审稿时长

6 months

期刊介绍： Russian Journal of Electrochemistry is a journal that covers all aspects of research in modern electrochemistry. The journal welcomes submissions in English or Russian regardless of country and nationality of authors.