請用此 Handle URI 來引用此文件: http://hdl.handle.net/11455/42086
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dc.contributor.authorChang, Hao-Hsiangen_US
dc.contributor.authorChang, Chih-Kaien_US
dc.contributor.authorTsai, Yu-Chenen_US
dc.contributor.authorLiao, Chien-Shiunen_US
dc.date2012zh_TW
dc.date.accessioned2014-06-06T08:06:11Z-
dc.date.available2014-06-06T08:06:11Z-
dc.identifier.issn0008-6223zh_TW
dc.identifier.urihttp://hdl.handle.net/11455/42086-
dc.description.abstractComposite films consisting of polypyrrole (PPy) and graphene oxide (GO) were electrochemically synthesized by electrooxidation of 0.1 M pyrrole in aqueous solution containing appropriate amounts of GO. Simultaneous chronoamperometric growth profiles and frequency changes on a quartz crystal microbalance showed that the anionic GO was incorporated in the growing GO/PPy composite to maintain its electrical neutrality. Subsequently, the GO was reduced electrochemically to form a reduced GO/PPy (RGO/PPy) composite by cyclic voltammetry. Specific capacitances estimated from galvanostatic discharge curves in 1 M H2SO4 at a current density of 1 A g 1 indicated that values for the RGO/PPy composite were larger than those of a pristine PPy film and the GO/PPy composite. In the case of 6mgmL 1 GO for the preparation of GO/PPy, a high specific capacitance of 424 F g 1 obtained at the electrochemically prepared RGO/PPy composite indicated its potential for use as an electrode material for supercapacitors.en_US
dc.language.isoen_USzh_TW
dc.relationCarbon, Volume50, Page(s) 2331-2336.en_US
dc.relation.urihttp://dx.doi.org/10.1016/j.carbon.2012.01.056en_US
dc.titleElectrochemically synthesized graphene/polypyrrole composites and their use in supercapacitoren_US
dc.typeJournal Articlezh_TW
dc.identifier.doi10.1016/j.carbon.2012.01.056zh_TW
dc.contributor.catalogerWei-Chun Wangen_US
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