CO2在几种Au25团簇催化界面上的电化学还原

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1、万方数据AbstractWhatthetargetofthispaperisthatwewanttofindthemethodswhichcanbeusedefficientlyandlow—costlytorestoretheC02，what’Smore，wealsowanttobuildseveralinterfacewhichisactivityinrestoringtheC02．Inthispaper’weutilizedsomemethods，suchaselectro-chemistry，torestoretheC02．Aboveall，weusedth

2、egoldcluster(Au25)whichhaveefficientactivityasacatalystinreductionofC02tobuildfouractivityinterfacethatcanbeusedtoC02efficientlyandlow-costly．Theyaregoldcluster(Au25)modifiedglasscarbonelectrodes，goldcluster(Au2s)modifiedAuelectrode，2-Pyrazinylethanethiolnanometer-goldcluster(Au25)modi

3、fiedglasscarbonelectrodeand2-Pyrazinylethanethiolnanometer-goldcluster(Au25)modifiedAuelectrode．Weutilizedcyclicvoltammetry(cv)，transmissionelectronmicroscope(TEM)，electrochemicalimpedancespectroscopy(EIS)．in-situftirspectroelectrochemistry(FT-IR)，ultravioletspectrophotometer(UV)andoth

4、eranalysisanddeterminationmethodsstudiedthereductionofC02onthesefouractivityinterface．Especiallytheoverpotentialofthem．Intheend，wediscussthereactionmechanismofcarbondioxideontheseinterface．Wecanmakeasummaryasfollows1．ThereductionofC02ongoldcluster(Au2s)modifiedglasscarbonelectrode．Atth

5、ebeginning，weuseddouble-phasemethodwhichismatureforalongtimetosynthesisngoldcluster(Au25)．Afterthesynthesis，theproductionwascharacterizedbyultravioletspectrophotometer(UVlandtransmissionelectronmicroscope(TEM)．Then,wepreparenanometer-goldcluster(Au25)modifiedglasscarbonelectrodethrough

6、theadsorptionfi'omtheglasscarbonelectrodeandgoldcluster(Au2E)．Afterthat，thenewpreparednanometer-goldcluster(Au25)modifiedglasscarbonelectrodeWaScharacterizedbyelectrochemicalimpedancespectroscopy(EIS)．Theresultofelectrochemicalimpedancespectroscopy(EIS)suggestthatgoldcluster(Au25)modif

7、iedglasscarbonelectrodewerewellprepared．WeutilizedCyclicvoItammetryandIRspectroelectrochemistrytostudythereductionofC02ongoldcluster(Auz5)modifiedglasscarbonelectrode，andweperformseveralcontrolexperiment，suchasthegoldcluster(Au25)modifiedglasscarbonelectrodeinblanksolutionacetonitril