High-Conductivity, Flexible and Transparent PEDOT:PSS Electrodes for High Performance Semi-Transparent Supercapacitors

被引:62
作者
Song, Jiaxing [1 ]
Ma, Guoqiang [2 ]
Qin, Fei [3 ,4 ]
Hu, Lin [1 ]
Luo, Bangwu [3 ,4 ]
Liu, Tiefeng [3 ,4 ]
Yin, Xinxing [1 ]
Su, Zhen [1 ]
Zeng, Zhaobing [1 ]
Jiang, Youyu [3 ,4 ]
Wang, Guannan [5 ,6 ]
Li, Zaifang [1 ]
机构
[1] Jiaxing Univ, China Australia Inst Adv Mat & Mfg IAMM, Jiaxing 314001, Peoples R China
[2] Wuyi Univ, Sch Appl Phys & Mat, Jiangmen 529020, Peoples R China
[3] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China
[4] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Wuhan 430074, Peoples R China
[5] Jining Med Univ, Coll Biomed Engn, Jining 272067, Peoples R China
[6] Jining Med Univ, Key Lab Med Funct Nanomat, Jining 272067, Peoples R China
基金
中国国家自然科学基金;
关键词
conducting polymer; PEDOT:PSS; high conductivity; semi-transparent supercapacitors; high power density; CARBON NANOTUBE; FILMS; POLYMER; GRAPHENE; LAYER;
D O I
10.3390/polym12020450
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Herein, we report a flexible high-conductivity transparent electrode (denoted as S-PH1000), based on conducting polymer poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS), and itsapplication to flexible semi-transparentsupercapacitors. A high conductivity of 2673 S/cm was achieved for the S-PH1000 electrode on flexible plastic substrates via a H2SO4 treatment with an optimized concentration of 80 wt.%. This is among the top electrical conductivities of PEDOT:PSS films processed on flexible substrates. As for the electrochemical properties,a high specific capacitance of 161F/g was obtained from the S-PH1000 electrode at a current density of 1 A/g. Excitingly, a specific capacitance of 121 F/g was retained even when the current density increased to 100 A/g, which demonstrates the high-rate property of this electrode. Flexible semi-transparent supercapacitors based on these electrodes demonstrate high transparency, over 60%, at 550 nm. A high power density value, over 19,200 W/kg,and energy density, over 3.40 Wh/kg, was achieved. The semi-transparent flexible supercapacitor was successfully applied topower a light-emitting diode.
引用
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页数:10
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