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首页> 外文期刊>Journal of Materials Chemistry, A. Materials for energy and sustainability >Solution-based synthesis and characterization of earth abundant Cu-3(As,Sb)Se-4 nanocrystal alloys: towards scalable room-temperature thermoelectric devices
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Solution-based synthesis and characterization of earth abundant Cu-3(As,Sb)Se-4 nanocrystal alloys: towards scalable room-temperature thermoelectric devices

机译：基于溶液的合成和富稀土的Cu-3（As，Sb）Se-4纳米晶合金的表征：面向可扩展的室温热电器件

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摘要

A simple and scalable solution-based synthesis route for impurity free Cu-3(As,Sb)Se-4 nanocrystal alloys is reported. Additionally, a heat treatment process that eliminates many scalability limitations imposed by traditional sintering methods has been demonstrated to significantly improve both the grain structure and electronic properties of the Cu-3(As,Sb)Se-4 nanocrystal based thin films. The combination of a new synthetic pathway with a robust thin film processing methodology offers the promise of widespread application of these materials to many fields. We demonstrate the potential of this material system in a proof-of-concept energy conversion application. Here, the processed Cu-3(As,Sb)Se-4 nanocrystal thin films serve as room temperature thermoelectric materials demonstrating a large thermoelectric performance after heat treatment.
机译：报道了一种简单且可扩展的基于溶液的无杂质Cu-3（As，Sb）Se-4纳米晶合金合成路线。另外，已经证明消除了传统烧结方法施加的许多可扩展性限制的热处理工艺可以显着改善基于Cu-3（As，Sb）Se-4纳米晶体的薄膜的晶粒结构和电子性能。新的合成途径与强大的薄膜加工方法相结合，为将这些材料广泛应用于许多领域提供了希望。我们在概念验证的能量转换应用中证明了该材料系统的潜力。在此，处理后的Cu-3（As，Sb）Se-4纳米晶体薄膜用作室温热电材料，在热处理后表现出较大的热电性能。

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