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Research on power factor of BNNT/Bi 2 Te 3 and BCNNT/Bi 2 Te 3 nanocomposite films
Journal of Nanoparticle Research ( IF 2.1 ) Pub Date : 2020-09-23 , DOI: 10.1007/s11051-020-05025-z
Ling Li , Xiangqian Jiang , Chuncheng Ban , Dequan Xie , Weiping Chen , Keguan Song , Xiaowei Liu

Thermoelectric (TE) material nanocomposite film is widely used in the design of many kinds of wearable flexible device and portable sensors. Herein, BNNT/Bi2Te3 and BCNNT/Bi2Te3 TE nanocomposite films were successfully fabricated by a cost-effective hot pressing and millipore membrane filter (HPMMF) method. Their thermoelectric performance was systematically investigated at room temperature, the highest power factor of the TE nanocomposite film was 1843.2 nW/mK2 when the film contained 0.006 wt.% BCNNT. The Seebeck coefficient of the thermoelectric nanocomposite film will reach up 205 μV/K. The power factor of BCNNT/Bi2Te3 TE nanocomposite film is 17.2 times higher than that of BNNT/Bi2Te3 nanocomposite film and 14 times higher than that of Bi2Te3 film. It is promising to be used in many situations such as flexible wearable device and solar cell thermoelectric power generation.

Graphical abstract



中文翻译:

BNNT / Bi 2 Te 3和BCNNT / Bi 2 Te 3纳米复合薄膜的功率因数研究

热电(TE)材料纳米复合膜被广泛用于多种可穿戴柔性设备和便携式传感器的设计中。本文中,通过具有成本效益的热压和微孔膜滤器(HPMMF)方法成功地制造了BNNT / Bi 2 Te 3和BCNNT / Bi 2 Te 3 TE纳米复合膜。在室温下系统地研究了它们的热电性能,当TE纳米复合膜包含0.006 wt。%的BCNNT时,其最高功率因数为1843.2 nW / mK 2。热电纳米复合膜的塞贝克系数将达到205μV/ K。BCNNT / Bi 2 Te 3的功率因数TE纳米复合膜比BNNT /铋的高17.2倍23纳米复合膜和比的Bi 14倍23膜。有望在许多情况下使用,例如柔性可穿戴设备和太阳能电池热电发电。

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更新日期:2020-09-23
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