%0 Journal Article %T ImprovedhydrogenevolutiononglassycarbonelectrodemodifiedwithnovelPt/cetyltrimethylammoniumbromidenanoscaleaggregates %A Jahan-Bakhsh Raoof %A Sayed Reza Hosseini %A Seyedeh Zeinab Mousavi-Sani %J ´ß»¯Ñ§±¨ %P 216-220 %D 2015 %R 10.1016/S1872-2067(14)60207-2 %X £¿Anovel,cost-effective,andsimpleelectrocatalystbasedonaPt-modifiedglassycarbonelectrode(GCE),usingcetyltrimethylammoniumbromide(CTAB)asacationicsurfactant,isreported.AmphiphilicCTABmoleculeswereadsorbedonGCEbyimmersioninaCTABsolution.Thepositivelychargedhydrophiliclayer,whichconsistedofsmallaggregatesofaveragesizelessthan100nm,wasusedforaccumulationandcomplexationof[PtCl6]2-anionsbyimmersingtheelectrodeinK2PtCl6solution.Themodifiedelectrodewascharacterizedusingscanningelectronmicroscopy,energy-dispersiveX-rayspectroscopy,impedancespectroscopy,andelectrochemicalmethods.TheelectrocatalyticactivityofthePtparticlesinthehydrogenevolutionreaction(HER)wasinvestigated.TheresultsshowthattheCTABsurfactantenhancestheelectrocatalyticactivityofthePtparticlesintheHERinacidicsolution. %K Cetyltrimethylammoniumbromide %K Impedancespectroscopy %K Hydrogenevolution %K Platinumparticle %U http://www.chxb.cn/CN/abstract/abstract21465.shtml