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Issue 14, 2018
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Solution-processable flexible thermoelectric composite films based on conductive polymer/SnSe0.8S0.2 nanosheets/carbon nanotubes for wearable electronic applications

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Abstract

Flexible thermoelectric composite films consisting of conductive polyaniline (PANI)-coated SnSe0.8S0.2 nanosheets (NSs) and polyvinylidene fluoride (PVDF) are fabricated via a solution processing procedure. The SnSe0.8S0.2 NSs are chemically exfoliated from a bulk ingot, and camphorsulfonic acid-doped PANI (CSA-PANI) is coated on the surface of the SnSe0.8S0.2 NSs. The thermoelectric properties of the composite film can be further enhanced by introducing a small amount of carbon nanotubes (CNTs) into the composite. The maximum thermoelectric power factor of the CSA-PANI-coated SnSe0.8S0.2 NS/PVDF/CNT composite film is 297 μW m−1 K−2 at 400 K, which is significantly higher than that of the CSA-PANI-coated SnSe0.8S0.2 NS/PVDF composite film without CNTs. The incorporation of SnSe0.8S0.2 NSs and conductive PANI mixed with CNTs is a promising strategy to realize high-performance flexible thermoelectric applications.

Graphical abstract: Solution-processable flexible thermoelectric composite films based on conductive polymer/SnSe0.8S0.2 nanosheets/carbon nanotubes for wearable electronic applications

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Publication details

The article was received on 26 Dec 2017, accepted on 19 Feb 2018 and first published on 19 Feb 2018


Article type: Paper
DOI: 10.1039/C7TA11285H
Citation: J. Mater. Chem. A, 2018,6, 5627-5634
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    Solution-processable flexible thermoelectric composite films based on conductive polymer/SnSe0.8S0.2 nanosheets/carbon nanotubes for wearable electronic applications

    H. Ju, D. Park and J. Kim, J. Mater. Chem. A, 2018, 6, 5627
    DOI: 10.1039/C7TA11285H

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