Journal
MATERIALS CHEMISTRY FRONTIERS
Volume 1, Issue 4, Pages 741-748Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6qm00188b
Keywords
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Funding
- National Key Technologies R&D Program of China [2016YFA0201103]
- National Basic Research Program of China (973 Program) [2013CB632500]
- Key Research Program of Chinese Academy of Sciences [KGZD-EW-T06]
- Shanghai government [15JC1400301]
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We have developed a novel strategy to in situ synthesize water-soluble ternary PANI/SWNT/Te nanocomposites with uniform structures and high thermoelectric (TE) properties. An abnormally high Seebeck coefficient was obtained for the ternary PANI/SWNT/Te nanocomposite films due to the energy filtering effect at the interfaces of PANI/SWNTs and PANI/Te, while the electrical conductivity still remained relatively high. As a result, the TE power factor of the ternary composite films was up to 101 mu W m(-1) K-2, which was much higher than that of the individual components (PANI, SWNTs and Te nanorods). Moreover, a TE module made up of the ternary PANI/SWNT/Te nanocomposite films was fabricated, which was able to generate a high power density of 62.4 mu W cm(-2). Our results reveal a successful approach through designing the nanostructures and energy barriers of ternary nanocomposites to improve the TE properties of PANI.
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