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Organic thermoelectric device based on a stable n-type nanocomposite printed on paper.

Abstract

Abstract: We present a fully inkjet-printed flexible thermoelectric device using organic and organic/inorganic hybrid materials. As part of our effort in development of an n-type material, we present an approach to synthesize a solution processable thermoelectric hybrid material based on in situ oxidative polymerization and intercalation that can yield layered quasi two-dimensional superlattice structures. Thus, we have inserted poly(3,4-ethylenedioxythiophene) (PEDOT) within the nanotemplates of vanadium pentoxide gel (V2O5∙nH2O) in order to enhance charge carrier concentration. Furthermore, for the first time, we adapted hybrid (PEDOT)xV2O5 material to the inkjet printing technology, thus successfully proving the printability of (PEDOT)xV2O5. Hence, we successfully produced a thermoelectric device composed of 4 thermocouples. Moreover, we optimized the geometry of the organic thermoelectric generator (OTEG) device thanks to a numerical model; the simulated and measured results are presented. The OTEG yielded a power density as high as 0.266 μW cm-2 for a temperature gradient of 20K, therefore unveiling the potential of hybrid V2O5-based compounds for thermoelectric applications.

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Publication details

The article was received on 28 Jun 2017, accepted on 05 Oct 2017 and first published on 05 Oct 2017


Article type: Paper
DOI: 10.1039/C7SE00313G
Citation: Sustainable Energy Fuels, 2017, Accepted Manuscript
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    Organic thermoelectric device based on a stable n-type nanocomposite printed on paper.

    S. Ferhat, C. Domain, J. Vidal, D. Noël, B. Ratier and B. Lucas, Sustainable Energy Fuels, 2017, Accepted Manuscript , DOI: 10.1039/C7SE00313G

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