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dc.contributor.authorTiwari, Jitendra N.en_US
dc.contributor.authorTiwari, Rajanish N.en_US
dc.contributor.authorLin, Kun-Linen_US
dc.date.accessioned2014-12-08T15:48:43Z-
dc.date.available2014-12-08T15:48:43Z-
dc.date.issued2010-08-01en_US
dc.identifier.issn1944-8244en_US
dc.identifier.urihttp://dx.doi.org/10.1021/am100256gen_US
dc.identifier.urihttp://hdl.handle.net/11536/32387-
dc.description.abstractPlatinum (Pt) nanopetals were electrodeposited on highly ordered silicon nanocones (SiNCs) and explored as the electrocatalyst for methanol oxidation reaction (MOR) for direct methanol fuel cells applications. Highly ordered SiNCs array fabricated using the porous anodic aluminum oxide as the template had a high surface area. Well-dispersed Pt nanopetals possessing high electrocatalytic surface area was synthesized by pulse-electrodeposition on the SiNCs. Pt nanopetals loaded on highly ordered SiNC support exhibited very good catalytic activity for MOR and a high tolerance against CO poisoning, as compared to Pt nanoflowers/flat Si, Pt nanoparticles/flat Si, and many previously reported works. The abundance of a large surface area for facile transport of methanol, SiO2 sites in the vicinity of the SiNCs, as well as less contact area between the Pt nanopetals catalyst and SiNCs are suggested to be the major factors enhancing the electrocatalytic performance of the Pt nanopetal/SiNC electrode. Moreover, we believe this new nanostructure (Pt nanopetals/SiNCs) will enable many new advances in nanotechnology.en_US
dc.language.isoen_USen_US
dc.subject3D/3D nanoarchitectureen_US
dc.subjectPt nanopetalsen_US
dc.subjectmethanol oxidationen_US
dc.subjectfuel cellsen_US
dc.titleSynthesis of Pt Nanopetals on Highly Ordered Silicon Nanocones for Enhanced Methanol Electrooxidation Activityen_US
dc.typeArticleen_US
dc.identifier.doi10.1021/am100256gen_US
dc.identifier.journalACS APPLIED MATERIALS & INTERFACESen_US
dc.citation.volume2en_US
dc.citation.issue8en_US
dc.citation.spage2231en_US
dc.citation.epage2237en_US
dc.contributor.department材料科學與工程學系zh_TW
dc.contributor.departmentDepartment of Materials Science and Engineeringen_US
dc.identifier.wosnumberWOS:000281109300012-
dc.citation.woscount23-
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