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High-performance hybrid organic thermoelectric SWNTs/PEDOT:PSS thin-films for energy harvesting

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Abstract

Hybrid organic thermoelectric (HOTE) materials have been considered as a promising alternative for future energy harvesting. Herein, a HOTE thin film was proposed and fabricated by a simple method. Highly conductive poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) developed by vacuum filtration has significantly contributed to the optimization of single-walled carbon nanotubes (SWNTs)/PEDOT:PSS (SN–PP) thermoelectric composite films. PEDOT:PSS was coated on the surface of SWNTs, effectively creating electrical connecting junctions between SWNTs. The SN–PP composite films achieved high electrical conductivity and Seebeck coefficient as well as a relatively low thermal conductivity simultaneously. A notable ZT value of 0.12 was obtained at 60 wt% SWNTs, which is generally higher than those reported in previous studies. Our approach may provide quite a useful strategy to prepare HOTE materials with high performance.

Graphical abstract: High-performance hybrid organic thermoelectric SWNTs/PEDOT:PSS thin-films for energy harvesting

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Publication details

The article was received on 07 Nov 2017, accepted on 11 Jan 2018 and first published on 12 Jan 2018


Article type: Research Article
DOI: 10.1039/C7QM00515F
Citation: Mater. Chem. Front., 2018, Advance Article
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    High-performance hybrid organic thermoelectric SWNTs/PEDOT:PSS thin-films for energy harvesting

    Q. Jiang, X. Lan, C. Liu, H. Shi, Z. Zhu, F. Zhao, J. Xu and F. Jiang, Mater. Chem. Front., 2018, Advance Article , DOI: 10.1039/C7QM00515F

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