Journal
MATERIALS LETTERS
Volume 100, Issue -, Pages 70-73Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2013.02.075
Keywords
Graphene; Hybrid; Polymers; Irradiation-induced graft polymerization; Dopamine; Functional
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Polystyrene-grafted-graphene oxide hybrid was prepared via gamma-ray irradiation-induced graft polymerization and then reduced to polystyrene-grafted-graphene hybrid by the solvothermal reduction method. The structure, thermal stability and morphology of polystyrene-grafted-graphene hybrid were investigated by Fourier transform infrared spectroscopy, X-ray diffractometer, thermogravimetric analysis and scanning electron microscopy. It reveals that gamma-ray irradiation is expected to be an effective and facile technique for scale-up preparation of polymer functionalized graphene. The hybrid modified glassy carbon electrodes were applied to the electrochemical sensor of dopamine and a good linearity with the concentration in the range of 5-100 mu M was obtained. The excellent behavior as electrochemical sensor of the polymer functionalized hybrid may lead to new applications in electrochemical analysis. (C) 2013 Elsevier B.V. All rights reserved.
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