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Highly improved thermoelectric performances of PEDOT:PSS/SWCNT composites by solvent treatment
Organic Electronics ( IF 2.7 ) Pub Date : 2017-09-19 , DOI: 10.1016/j.orgel.2017.09.030
Lu Zhang , Yutaka Harima , Ichiro Imae

Composites of poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate) (PEDOT:PSS) and single-wall carbon nanotube (SWCNT) were prepared by mixing aqueous dispersions of PEDOT:PSS and SWCNT at different weight ratios. By being soaked with DMSO for 2 min at room temperature, the PEDOT:PSS/SWCNT composite with an optimized SWCNT weight ratio of 74 wt% exhibited a high electric conductivity of 3800 S cm−1 and a reasonable Seebeck coefficient of 28 μV K−1, leading to a promising power factor of 300 μW m−1 K−2 and a hopeful ZT value of 0.13. Possible reasons for the highly improved properties are carefully discussed.



中文翻译:

通过溶剂处理大大提高了PEDOT:PSS / SWCNT复合材料的热电性能

通过以不同的重量比混合PEDOT:PSS和SWCNT的水分散体来制备聚(3,4-乙撑二氧噻吩):聚苯乙烯磺酸盐(PEDOT:PSS)和单壁碳纳米管(SWCNT)的复合材料。通过用DMSO浸泡2分钟在室温下,将PEDOT:PSS / SWCNT复合材料的74优化的SWCNT重量比重量%显示出3800小号cm的高电导率-1和28μVK的合理塞贝克系数-如图1所示,导致有希望的功率因数为300μWm -1  K -2和有希望的ZT值为0.13。仔细讨论了性能大大提高的可能原因。

更新日期:2017-09-19
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