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首页> 外文期刊>Journal of Materials Science and Chemical Engineering >Thermoelectric Properties of Silver Antimonate with Mixed Valency of Antimony
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Thermoelectric Properties of Silver Antimonate with Mixed Valency of Antimony

机译：锑价混合的锑酸银的热电性能

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摘要

Silver (Ag) and silver antimonate (AgSbO3) composites with different amounts of Sb3+ were synthesized by normal sintering with the aim of realizing a thermoelectric material. The electrical conductivity (σ) increased in the sample containing larger amount of Sb3+, whereas Seebeck coefficient (S) decreased. Producing Sb3+ caused the generation of oxygen vacancies in the material, and thus the corresponding donor levels are created in the bandgap, providing more conduction electrons. The conductive Ag particles would contribute to the conduction path as bypasses for carrier transport. The thermal conductivity (κ) was slightly lower in the presence of Ag defects in AgSbO3.
机译：通过常规烧结合成了具有不同Sb3 +含量的银（Ag）和锑酸银（AgSbO3）复合材料，以实现热电材料。包含大量Sb3 +的样品中的电导率（σ）增加，而塞贝克系数（S）降低。产生Sb3 +会在材料中产生氧空位，因此在带隙中会产生相应的供体能级，从而提供更多的传导电子。导电的银颗粒作为载流子传输的旁路将有助于传导路径。在AgSbO3中存在Ag缺陷时，热导率（κ）略低。

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