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1、ARTICLEReceived16Jan2015
2、Accepted10Aug2015
3、Published14Sep2015DOI:10.1038/ncomms9304OPENAporousproton-relayingmetal-organicframeworkmaterialthataccelerateselectrochemicalhydrogenevolutionIdanHod1,2,PravasDeria1,WojciechBury1,3,JosephE.Mondloch1,Chung-We
4、iKung1,2,4,MonicaSo1,MatthewD.Sampson5,AaronW.Peters1,2,CliffP.Kubiak5,OmarK.Farha1,2,6&JosephT.Hupp1,2,7Theavailabilityofefficienthydrogenevolutionreaction(HER)catalystsisofhighimportanceforsolarfueltechnologiesaimedatreducingfuturecarbonemissions.Even
5、thoughPtelectrodesareexcellentHERelectrocatalysts,commercializationoflarge-scalehydrogenproductiontechnologyrequiresfindinganequallyefficient,low-cost,earth-abundantalternative.Here,highporosity,metal-organicframework(MOF)filmshavebeenusedasscaffoldsforth
6、edepositionofaNi-Selectrocatalyst.ComparedwithanMOF-freeNi-S,theresultinghybridmaterialsexhibitsignificantlyenhancedperformanceforHERfromaqueousacid,decreasingthekineticoverpotentialbymorethan200mVatabenchmarkcurrentdensityof10mAcm2.Althoughtheinitiala
7、imwastoimproveelectrocatalyticactivitybygreatlyboostingtheactiveareaoftheNi-Scatalyst,theperformanceenhancementsinsteadwerefoundtoariseprimarilyfromtheabilityoftheproton-conductiveMOFtofavourablymodifytheimmediatechemicalenvironmentofthesulfide-basedcat
8、alyst.1DepartmentofChemistry,NorthwesternUniversity,2145SheridanRoad,Evanston,Illinois60208,USA.2Argonne-NorthwesternSolarEnergyResearch(ANSER)Center,NorthwesternUniversity,Evanston,Illinois60208,USA.3DepartmentofChemistry,WarsawUniversityofTechnology,
9、Noakowskiego3,00-664Warsaw,Poland.4DepartmentofChemicalEngineering,NationalTaiwanUniversity,Number1,Sector4,RooseveltRoad,Taipei10617,Taiwan.5DepartmentofChemistryandBiochemistry,UniversityofCaliforniaSanDiego,9500GilmanDrive,LaJolla,California92093-03
10、58,USA.6FacultyofScience,DepartmentofChemistry,KingAbdulazizUniversity,Jeddah21589,SaudiArabia.7ArgonneNationalLaboratory,9700SouthCassAvenue,Argonne,Illinois60439,USA.CorrespondenceandrequestsformaterialsshouldbeaddressedtoO.K.F.(email
