Practical High-Performance (Bi,Sb)2Te3-Based Thermoelectric Nanocomposites Fabricated by Nanoparticle Mixing and Scrap Recycling
| Autor: | Bowen Cai, Asfandiyar, Jinfeng Dong, Qian Cao, Haihua Hu, Jing-Feng Li, Hua-Lu Zhuang |
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| Rok vydání: | 2020 |
| Předmět: |
Fabrication
Nanocomposite Materials science Metallurgy Mixing (process engineering) Nanoparticle Scrap 02 engineering and technology 010402 general chemistry 021001 nanoscience & nanotechnology Thermoelectric materials 01 natural sciences 0104 chemical sciences chemistry.chemical_compound chemistry Thermoelectric effect General Materials Science Bismuth telluride 0210 nano-technology |
| Zdroj: | ACS Applied Materials & Interfaces. 12:16426-16435 |
| ISSN: | 1944-8252 1944-8244 |
| DOI: | 10.1021/acsami.0c01014 |
| Popis: | Bi2Te3-based compounds are the most mature and widely used thermoelectric materials. However, industrial device fabrication will inevitably produce a lot of Bi2Te3 scraps, which results in wastes of expensive material resources. In this work, we recycled p-type (Bi,Sb)2Te3 scraps and reprocessed them by making nanocomposites with nano-SiC. The thermoelectric performance was enhanced, and a high ZT value of 1.07 was achieved, which is a significant improvement compared with commercial p-type (Bi,Sb)2Te3 ingots. Also, the hardness showed a notable increase, which is beneficial for device fabrication. In addition, we adjusted the proportion of Bi/Te of the commercial p-type (Bi,Sb)2Te3 scraps, thereby improving the thermoelectric performance and obtaining a higher ZT value of 1.2. |
| Databáze: | OpenAIRE |
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