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High-Performance n-Type Bi(2)Te(3) Thermoelectric Fibers with Oriented Crystal Nanosheets
High-performance thermoelectric fibers with n-type bismuth telluride (Bi(2)Te(3)) core were prepared by thermal drawing. The nanosheet microstructures of the Bi(2)Te(3) core were tailored by the whole annealing and Bridgman annealing processes, respectively. The influence of the annealing processes...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2023
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9861060/ https://www.ncbi.nlm.nih.gov/pubmed/36678079 http://dx.doi.org/10.3390/nano13020326 |
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author | Sun, Min Zhang, Pengyu Tang, Guowu Chen, Dongdan Qian, Qi Yang, Zhongmin |
author_facet | Sun, Min Zhang, Pengyu Tang, Guowu Chen, Dongdan Qian, Qi Yang, Zhongmin |
author_sort | Sun, Min |
collection | PubMed |
description | High-performance thermoelectric fibers with n-type bismuth telluride (Bi(2)Te(3)) core were prepared by thermal drawing. The nanosheet microstructures of the Bi(2)Te(3) core were tailored by the whole annealing and Bridgman annealing processes, respectively. The influence of the annealing processes on the microstructure and thermoelectric performance was investigated. As a result of the enhanced crystalline orientation of Bi(2)Te(3) core caused by the above two kinds of annealing processes, both the electrical conductivity and thermal conductivity could be improved. Hence, the thermoelectric performance was enhanced, that is, the optimized dimensionless figure of merit (ZT) after the Bridgman annealing processes increased from 0.48 to about 1 at room temperature. |
format | Online Article Text |
id | pubmed-9861060 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2023 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-98610602023-01-22 High-Performance n-Type Bi(2)Te(3) Thermoelectric Fibers with Oriented Crystal Nanosheets Sun, Min Zhang, Pengyu Tang, Guowu Chen, Dongdan Qian, Qi Yang, Zhongmin Nanomaterials (Basel) Communication High-performance thermoelectric fibers with n-type bismuth telluride (Bi(2)Te(3)) core were prepared by thermal drawing. The nanosheet microstructures of the Bi(2)Te(3) core were tailored by the whole annealing and Bridgman annealing processes, respectively. The influence of the annealing processes on the microstructure and thermoelectric performance was investigated. As a result of the enhanced crystalline orientation of Bi(2)Te(3) core caused by the above two kinds of annealing processes, both the electrical conductivity and thermal conductivity could be improved. Hence, the thermoelectric performance was enhanced, that is, the optimized dimensionless figure of merit (ZT) after the Bridgman annealing processes increased from 0.48 to about 1 at room temperature. MDPI 2023-01-12 /pmc/articles/PMC9861060/ /pubmed/36678079 http://dx.doi.org/10.3390/nano13020326 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Communication Sun, Min Zhang, Pengyu Tang, Guowu Chen, Dongdan Qian, Qi Yang, Zhongmin High-Performance n-Type Bi(2)Te(3) Thermoelectric Fibers with Oriented Crystal Nanosheets |
title | High-Performance n-Type Bi(2)Te(3) Thermoelectric Fibers with Oriented Crystal Nanosheets |
title_full | High-Performance n-Type Bi(2)Te(3) Thermoelectric Fibers with Oriented Crystal Nanosheets |
title_fullStr | High-Performance n-Type Bi(2)Te(3) Thermoelectric Fibers with Oriented Crystal Nanosheets |
title_full_unstemmed | High-Performance n-Type Bi(2)Te(3) Thermoelectric Fibers with Oriented Crystal Nanosheets |
title_short | High-Performance n-Type Bi(2)Te(3) Thermoelectric Fibers with Oriented Crystal Nanosheets |
title_sort | high-performance n-type bi(2)te(3) thermoelectric fibers with oriented crystal nanosheets |
topic | Communication |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9861060/ https://www.ncbi.nlm.nih.gov/pubmed/36678079 http://dx.doi.org/10.3390/nano13020326 |
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