XAFS study on structure-activity correlations of α-Co(OH)2 nanosheets water oxidation catalysts

Junheng Huang; Qinghua Liu; Tao Yao; Zhiyun Pan; Shiqiang Wei

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XAFS study on structure-activity correlations of α-Co(OH)2 nanosheets water oxidation catalysts

机译：XAFS研究α-Co（OH）2纳米片水氧化催化剂的构效关系

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Understandingthestructure-activityofthemetalhydroxidematerialsiscriticaltothedesignofanefficientoxygenevolutionreaction(OER)catalystforwateroxidation.Achallengeistoidentifyandcollectsurfaceactivesiterelativetobulk.Here,wehavepreparedanultrathinα-Co(OH)2nanosheetwithlargeexposedsurfaceCositesasanhigh-efficiencyO2evolutioncatalyst.UsingXAFStechnique,wehaveinvestigatedtheoxidationstateandlocalstructuralevolutionsoftheα-Co(OH)2nanosheetscatalyst.Acoordination-missCosites(CoO6-x)withoxidationstateof+3.3onthenanosheetsurfaceisrevealedaftertheOERprocedure,indicatingtheinsituformationofy-CoOOHnanosheetisakeyfactorleadingtoanenhancedwateroxidationperformance...

机译：Understandingthestructure-activityofthemetalhydroxidematerialsiscriticaltothedesignofanefficientoxygenevolutionreaction（OER）catalystforwateroxidation.Achallengeistoidentifyandcollectsurfaceactivesiterelativetobulk.Here，wehavepreparedanultrathinα-CO（OH）2nanosheetwithlargeexposedsurfaceCositesasanhigh-efficiencyO2evolutioncatalyst.UsingXAFStechnique，wehaveinvestigatedtheoxidationstateandlocalstructuralevolutionsoftheα-CO（OH）2nanosheetscatalyst.Acoordination-missCosites（CoO6-x）的withoxidationstateof + 3.3onthenanosheetsurfaceisrevealedaftertheOERprocedure，indicatingtheinsituformationofy-CoOOHnanosheetisakeyfactorleadingtoanenhancedwateroxidationperformance .. 。

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《Journal of Physics: Conference Series》 |2016年第1期|共页
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Junheng Huang; Qinghua Liu; Tao Yao; Zhiyun Pan; Shiqiang Wei;
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XAFS study on structure-activity correlations of α-Co(OH)2 nanosheets water oxidation catalysts

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