Significantly enhanced thermoelectric performance of flexible PEDOT nanowire film via coating Te nanostructures

查看全文 作　　者：Dan [1]Ni;Haijun [1]Song;Yuanxun [1]Chen;Kefeng [1]Cai

机构地区：[1]Key Laboratory of Advanced Civil Engineering Materials(Tongji University),Ministry of Education,School of Materials Science&Engineering,Tongji University,4800 Caoan Road,Shanghai,201804,China

出　　处：《Journal of Materiomics》索引2020年第6卷第2期,共7页

基　　金：supported by the Key Program of National Natural Science Foundation of China(51632010);National Basic Research Programof China under Grant No.2013CB632500;the foundation of the State Key Lab of Advanced Technology for Material Synthesis and Processing(Wuhan University of Technology,China). 摘　　要：A free-standing and highly conductive poly(3,4-ethylenedioxythiophene)(PEDOT)nanowire(NW)film was used as a working electrode for electrodepositing tellurium(Te).By adjusting the electrodeposition time,the thermoelectric(TE)performance of the free-standing hybrid filmwas optimized.The maximum power factor of 240.0 μWm^(-1) K^(-2)(with the electrical conductivity of 561.4 S cm^(-1) and the Seebeck coefficient of 65.4 μVK^(-1))was obtained from a hybrid film electrodeposited for 7 h,which was 8 times higher than that of the pristine PEDOT NW film.In addition,the electrical conductivity of the film almost did not change even after being bent for 400 times around a rod with radius of 4 mm,indicating an excellent flexibility.This work offers a facile approach to prepare multilayered TE films,and desirable combination of excellent flexibility,high electrical conductivity,and facile process scalability makes the free-standing PEDOT NW film particularly promising for portable and flexible electronics. 关键词：FLEXIBLE FREE-STANDING PEDOT TE THERMOELECTRIC

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Significantly enhanced thermoelectric performance of flexible PEDOT nanowire film via coating Te nanostructures

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