期刊
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
卷 216, 期 -, 页码 16-22出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.mseb.2016.10.002
关键词
PEDOT; rGO; Supercapacitor; Laser-writing; Electrochemical polymerization
资金
- National Natural Science Foundation of China (NSFC) [51477026, 61471085]
- National Science Funds for Creative Research Groups of China [61421002]
- Natural Science Foundation Project of Chong Qing (CSTC) [cstc2015jcyjA40054]
- Scientific and Technological Research Program of Chongqing Municipal Education Commission [KJ1601111, KJ1601122]
- Fundamental Research Funds for the Central Universities
Here we demonstrate a facile electrochemical polymerization and laser induction process to fabricate poly (3,4-ethylenedioxythiophene)/reduced graphene oxide (PEDOT/rGO) nanocomposite, which can be used as supercapacitor electrode material. Firstly, a PEDOT film is deposited on ITO substrate using an electrochemical polymerization method and a graphene oxide (GO) film is successively deposited on as-prepared PEDOT film through a spin-coating method. Then, by using a laser-writing method, the GO film is transformed into the rGO and a PEDOT/rGO nanocomposite is obtained. The resulting nanocomposite shows high areal capacitance about 43.75 mF/cm(2), which is nearly 3 times higher than that of the PEDOT film at a current density of 0.2 mA/cm(2). The PEDOT/rGO nanocomposite exhibits excellent cyclic stability, which can retain 83.6% of its initial capacitance after 1000 charge-discharge cycles. Furthermore, this nanocomposite can be deposited on varied substrates as electrode materials, which shows promising application to prepare, high performance energy storage materials. (C) 2016 Elsevier B.V. All rights reserved.
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