Thin Film Fabrication and Simultaneous Anodic Reduction of Deposited Graphene Oxide Platelets by Electrophoretic Deposition
The Journal of Physical Chemistry Letters2010Vol. 1(8), pp. 1259–1263
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Sung Jin An, Yanwu Zhu, Sun Hwa Lee, Meryl D. Stoller, T. Emilsson, Sungjin Park, Aruna Velamakanni, Jinho An, Rodney S. Ruoff
Abstract
We report the deposition of films composed of overlapped and stacked platelets of graphene oxide (G-O) reduced by an electrophoretic deposition (EPD) process. The oxygen functional groups of G-O were significantly removed by the EPD process, and the as-deposited G-O film by EPD showed improved electrical conductivity (1.43 × 104 S·m−1) over G-O papers made by the filtration method (0.53 × 10−3 S·m−1). This method for reducing G-O without added reducing agents has the potential for high-yield, large-area, low-cost, and environmentally friendly production of films composed of reduced G-O platelets.
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