Electrochemical characteristics of graphene nanoribbon/polypyrrole composite prepared via oxidation polymerization in the presence of poly-(sodium 4-styrenesulfonate)

被引：7
|
作者：
Hsu, Feng-Hao [1 ]
Huang, Jyun-Wei [1 ]
Wu, Tzong-Ming [1 ]
机构：
[1] Natl Chung Hsing Univ, Dept Mat Sci & Engn, Taichung 402, Taiwan
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2015年 / 161卷
关键词：
Composite materials; Polymers; Electron microscopy; Electrochemical properties; HIGH-PERFORMANCE SUPERCAPACITORS; WALLED CARBON NANOTUBES; IN-SITU SYNTHESIS; ELECTRODE MATERIAL; POLYPYRROLE; NANORIBBONS; NANOCOMPOSITE; CONDUCTIVITY; CAPACITANCE; FILMS;
D O I：
10.1016/j.matchemphys.2015.05.051
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Graphene nanoribbon (GNR)/polypyrrole (PPy) composite is synthesized via in situ chemical oxidation polymerization in presence of poly-(sodium 4-styrenesulfonate) (PSS) as a surfactant. The morphology of GNR/PPy composites is observed by field emission scanning electron microscopy (FESEM) and transmission electron microscopy (TEM). The electrochemical properties are characterized using galvanostatic charge discharge and cycle voltammetry (CV). The specific capacitance of GNR/PPy composites shows the highest value of 881 F g(-1) that in presence of 9 wt% GNR at a current density of 0.5 A g(-1). The GNR/PPy composite also demonstrates the good cycle stability with only 16% decay of initial capacitance that much lower than 64% decay of pure PPy after 1000 cycles. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：265 / 270
页数：6
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