Journal
COMPOSITES SCIENCE AND TECHNOLOGY
Volume 187, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compscitech.2019.107948
Keywords
Thermoelectric; Composite; Polypyrrole; PEDOT:PSS; Carbon nanotube
Categories
Funding
- National Natural Science Foundation of China [51973122]
- Science and Technology Development Fund, Macau SAR [010/2017/AMJ]
- Multi-Year Research Grant [MYRG2018-00139-IAPME]
- University of Macau [SRG2017-00094-IAPME]
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Recently, organic polymer-based thermoelectric (TE) hybrids or composites have received significant attention. Here, a unique layered morphology of polypyrrole/poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate)/single-walled carbon nanotube (PPy/PEDOT:PSS/SWCNT) ternary TE composites are designed using 1D nano-struture of PPy as template. The nanowires of PPy/PEDOT:PSS binary composites are obtained via coating PEDOT:PSS on the surfaces of 1D PPy nanowires. Interestingly, the PPy/PEDOT:PSS/SWCNT ternary composites reveal unexpected layered morphology and dramatically-enhanced TE function with an optimal power factor of 45.3 +/- 1.4 mu W m(-1) K-2 at room temperature. This study will enrich the structure design and preparation strategy of novel TE composites by judicious combing 1D polymer nanostructure with 3D layered networks of composites.
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