Coaxial RuO₂-ITO nanopillars for transparent supercapacitor application

Supercapacitive properties of ruthenium oxide (RuO2) nanoparticles electrodeposited onto the indium tin oxide (ITO) nanopillars were investigated. Compared to conventional planar current collectors, this coaxially nanostructured current collector-electrode system can provide increased contact for ef...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1985. - 30(2014), 6 vom: 18. Feb., Seite 1704-9
1. Verfasser: Ryu, Ilhwan (VerfasserIn)
Weitere Verfasser: Yang, MinHo, Kwon, Hyemin, Park, Hoo Keun, Do, Young Rag, Lee, Sang Bok, Yim, Sanggyu
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a Supercapacitive properties of ruthenium oxide (RuO2) nanoparticles electrodeposited onto the indium tin oxide (ITO) nanopillars were investigated. Compared to conventional planar current collectors, this coaxially nanostructured current collector-electrode system can provide increased contact for efficient charge transport, and the internanopillar spacing allows easy access of electrolyte ions. The morphological and electrochemical properties depended on the thickness of the RuO2 layers, i.e., the number of electrodeposition cycles. A maximum specific capacitance, Csp, of 1235 F/g at a scan rate of 50 mV/s was achieved for the 30-cycle deposited RuO2-ITO nanopillars. The other capacitive properties such as electrochemical reversibility and Csp retention at high scan rates also improved greatly 
650 4 |a Journal Article 
700 1 |a Yang, MinHo  |e verfasserin  |4 aut 
700 1 |a Kwon, Hyemin  |e verfasserin  |4 aut 
700 1 |a Park, Hoo Keun  |e verfasserin  |4 aut 
700 1 |a Do, Young Rag  |e verfasserin  |4 aut 
700 1 |a Lee, Sang Bok  |e verfasserin  |4 aut 
700 1 |a Yim, Sanggyu  |e verfasserin  |4 aut 
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