Insights into structural features and thermoelectric properties of layered oxychalcogenides, BiCuOCh (Ch = S, Se, Te): promising green materials for energy conversion

Q2 Engineering

Materials Research Innovations Pub Date : 2022-10-31 DOI:10.1080/14328917.2022.2140784

M. C., R. Mulla, H. R, Sachith Nayak, Y. N, Suraj L, M. Selvaraj, Vishal Chaudhary, A. Khosla

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引用次数: 0

Abstract

ABSTRACT Thermoelectric (TE) technology is considered as one of the promising, eco-friendly, simple and sustainable technologies to generate electricity directly from waste heat and concentrated solar heat. The present TE generators/devices are operating with very low conversion efficiency . Therefore, understanding the electronic and thermal properties of TE materials plays a vital role in enhancing device efficiency. In addition, non-toxic and abundant materials are also important to implement TE technology for large-scale applications. In the past few decades, a lot of research has been done on finding various oxide-based thermoelectric materials. Among many oxide-based materials, oxychalcogenides have received a lot of attention due to their useful thermoelectric properties. This review provides insights into thermoelectrics of selected inorganic oxychalcogenides. A comprehensive discussion has also been made on recent advances in preparation methods and various approaches such as doping, alloying, co-doping techniques adopted for design and optimisation of the TE materials.

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层状氧硫属化合物BiCuOCh (Ch = S, Se, Te)的结构特征和热电性能:有前途的绿色能源转换材料

热电(TE)技术被认为是一种有前途的、环保的、简单的和可持续的技术，可以直接利用废热和集中的太阳能来发电。目前的发电机组/设备的转换效率很低。因此，了解TE材料的电子和热性能对提高器件效率至关重要。此外，无毒和丰富的材料对于实现TE技术的大规模应用也很重要。在过去的几十年里，人们在寻找各种氧化物基热电材料方面做了大量的研究。在众多氧化物基材料中，氧硫族化合物因其有益的热电性质而受到广泛关注。本文综述了无机氧硫属化合物的热电学研究进展。对制备方法的最新进展以及用于TE材料设计和优化的掺杂、合金化、共掺杂技术等各种方法进行了全面的讨论。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Materials Research Innovations 工程技术-材料科学：综合

CiteScore

5.20

自引率

0.00%

发文量

审稿时长

2.8 months

期刊介绍： Materials Research Innovations covers all areas of materials research with a particular interest in synthesis, processing, and properties from the nanoscale to the microscale to the bulk. Coverage includes all classes of material – ceramics, metals, and polymers; semiconductors and other functional materials; organic and inorganic materials – alone or in combination as composites. Innovation in composition and processing to impart special properties to bulk materials and coatings, and for innovative applications in technology, represents a strong focus. The journal attempts to balance enduring themes of science and engineering with the innovation provided by such areas of research activity.