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Flexible Bi-Te Based Alloy Nanosheet/PEDOT:PSS Thermoelectric Power Generators

Abstract

Bi-Te based alloy nanosheet/poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate) (PEDOT:PSS) thermoelectric nanocomposite films have been prepared by a vacuum method after exfoliated Bi-Te based alloy particles into nanosheets, and then flexible thermoelectric power generators have been prepared by connecting the as-prepared Bi-Te based alloy nanosheet/PEDOT:PSS nanocomposite strips (25 mm × 5 mm) in series using silver paint on polyimide substrates. As the Bi-Te based alloy nanosheet/PEDOT:PSS nanocomposite strips increased from 1 to 5, the generated voltage and maximum output power of the flexible thermoelectric generators increased. A flexible power generator consisting of 5 nanocomposite strips can generate a voltage output of 4.8 mV and maximum output power of 16.9 nW at a temperature difference of 47.2 K. The resistances of the as-prepared flexible thermoelectric generators are very stable (<4%), even after being bent 100 times each at different bending radii (27.5 mm or 13.6 mm ) and in different directions (along the strip length direction or perpendicular to the strip length direction).

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Publication details

The article was received on 09 Feb 2019, accepted on 08 Apr 2019 and first published on 15 Apr 2019


Article type: Research Article
DOI: 10.1039/C9QM00087A
Citation: Mater. Chem. Front., 2019, Accepted Manuscript

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    Flexible Bi-Te Based Alloy Nanosheet/PEDOT:PSS Thermoelectric Power Generators

    Y. Du, X. Liu, J. Xu and S. Shirley, Mater. Chem. Front., 2019, Accepted Manuscript , DOI: 10.1039/C9QM00087A

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