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dc.contributor.authorWolfart, F.-
dc.contributor.authorDubal, D.-
dc.contributor.authorVidotti, M.-
dc.contributor.authorGómez-Romero, P.-
dc.identifier.citationRSC Advances: an international journal to further the chemical sciences, 2016; 6(18):15062-15070-
dc.description.abstractThis work describes the design of Ni(OH)₂@PPy-NTs core–shell nanostructures with potential application as an electrode material for supercapacitors. Initially, one dimensional (1D) polypyrrole nanotubes (PPy- NTs) were synthesized through a chemical oxidation mediated soft template-directed route using as the anion the azo dye methyl orange (MO). Subsequently, three dimensional (3D) Ni(OH)₂ nanoflakes were grown onto PPy-NTs by a simple hydrothermal route. This exclusive Ni(OH)₂@PPy-NTs nanoarchitecture helps to improve the overall electrochemical performance of the electrode, due to the high surface area provided by 3D nanoflakes and excellent electronic/ionic conductivity of 1D nanotubes. The maximum specific capacitance obtained for Ni(OH)₂@PPy-NTs was 536 F g⁻¹ with good capacity retention after 1000 charge/discharge cycles. Last but not least, EIS technique showed a low electrochemical series resistance for Ni(OH)₂@PPy-NTs confirming their promise as a high-performance energy storage material.-
dc.description.statementofresponsibilityFranciele Wolfart, Deepak P. Dubal, Marcio Vidotti and Pedro Gómez-Romero-
dc.publisherRoyal Society of Chemistry-
dc.rightsThis journal is © The Royal Society of Chemistry 2016-
dc.titleHybrid core-shell nanostructured electrodes made of polypyrrole nanotubes coated with Ni(OH)₂ nanoflakes for high energy-density supercapacitors-
dc.typeJournal article-
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