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Polymers 2016, 8(11), 399; doi:10.3390/polym8110399

Effect of Microwave Treatment of Graphite on the Electrical Conductivity and Electrochemical Properties of Polyaniline/Graphene Oxide Composites

1
National Engineering Laboratory of Textile Fiber Materials and Processing Technology, Zhejiang Sci-Tech University, Hangzhou 310018, China
2
Key Laboratory of Recycling and Eco-treatment of Waste Biomass of Zhejiang Province, Zhejiang University of Science and Technology, Hangzhou 310023, China
3
Key Lab of Pulp and Paper Science & Technology of Ministry of Education, Qilu University of Technology, Jinan 250353, China
4
Key Lab of Biomass Energy and Material, Nanjing 210000, China
*
Author to whom correspondence should be addressed.
Academic Editor: Walter Remo Caseri
Received: 15 September 2016 / Revised: 25 October 2016 / Accepted: 9 November 2016 / Published: 16 November 2016
(This article belongs to the Special Issue Nanocomposites of Polymers and Inorganic Particles 2016)
View Full-Text   |   Download PDF [6901 KB, uploaded 16 November 2016]   |  

Abstract

Polyaniline (PANI)/graphene oxide (GO) composites were synthesized via in situ polymerization of aniline in the presence of GO. The effect of microwave treatment of graphite on the electrical conductivity and electrochemical properties of PANI/GO composites was highlighted, and the morphology and microstructure were subsequently characterized using transmission electron microscopy, scanning electron microscopy, Fourier-transformed infrared spectroscopy, X-ray diffraction, and thermogravimetric analysis. The results demonstrated that microwave treatment of graphite imparted a well-dispersed, highly ordered layered structure to the as-prepared GO, and in turn facilitated strong bonding between the GO and PANI nanosheets, which may be responsible for the improved electrical conductivity and electrochemical properties of the resulting PANI/GO composites. The desired PANI/GO composites possessed an electrical conductivity of 508 S/m, an areal capacitance of 172.8 mF/cm2, and a retained capacitance of 87.4% after cycling, representing percentage increases of 102, 232, and 112, respectively, as a result of the microwave treatment of graphite. The resulting composites are promising electrode materials for high-performance and ecofriendly electrical energy storage devices. View Full-Text
Keywords: conducting polymers; nanostructured polymers; surfaces and interfaces; electrical conductivity; electrochemical properties conducting polymers; nanostructured polymers; surfaces and interfaces; electrical conductivity; electrochemical properties
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Tang, Y.; Hu, X.; Liu, D.; Guo, D.; Zhang, J. Effect of Microwave Treatment of Graphite on the Electrical Conductivity and Electrochemical Properties of Polyaniline/Graphene Oxide Composites. Polymers 2016, 8, 399.

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