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Enhanced thermoelectric properties of hydrothermally synthesized n-type Se&Lu-codoped Bi2Te3
Shi, XL; Ai, X; Zhang, QH; Lu, XF; Gu, SJ; Su, L; Wang, LJ; Jiang, W
2020-08-01
Source PublicationJOURNAL OF ADVANCED CERAMICS
ISSN2226-4108
Issue4Pages:424
SubtypeArticle
AbstractN-type Se&Lu-codoped Bi2Te3 nanopowders were prepared by hydrothermal method and sintered by spark plasma sintering technology to form dense samples. By further doping Se element into Lu-doped Bi2Te3 samples, the thickness of the nanosheets has the tendency to become thinner. The electrical conductivity of Lu0.1Bi1.9Te3-xSex material is reduced with the increasing Se content due to the reduced carrier concentration, while the Seeback coefficient values are enhanced. The lattice thermal conductivity of the Lu0.1Bi1.9Te3-xSex is greatly reduced due to the introduced point defects and atomic mass fluctuation. Finally, the Lu0.1Bi1.9Te2.7Se0.3 sample obtained a maximum ZT value of 0.85 at 420 K. This study provides a low-cost and simple low-temperature method to mass production of Se&Lu-codoped Bi2Te3 with high thermoelectric performance for practical applications.
DOI10.1007/s40145-020-0382-9
WOS KeywordPERFORMANCE
Language英语
WOS Research AreaMaterials Science
PublisherSPRINGER
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28064
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Shi, XL,Ai, X,Zhang, QH,et al. Enhanced thermoelectric properties of hydrothermally synthesized n-type Se&Lu-codoped Bi2Te3[J]. JOURNAL OF ADVANCED CERAMICS,2020(4):424.
APA Shi, XL.,Ai, X.,Zhang, QH.,Lu, XF.,Gu, SJ.,...&Jiang, W.(2020).Enhanced thermoelectric properties of hydrothermally synthesized n-type Se&Lu-codoped Bi2Te3.JOURNAL OF ADVANCED CERAMICS(4),424.
MLA Shi, XL,et al."Enhanced thermoelectric properties of hydrothermally synthesized n-type Se&Lu-codoped Bi2Te3".JOURNAL OF ADVANCED CERAMICS .4(2020):424.
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