首页|Boosted Electrocatalytic Glucose Oxidation Reaction on Noble-Metal-Free MoO3-Decorated Carbon Nanotubes
Boosted Electrocatalytic Glucose Oxidation Reaction on Noble-Metal-Free MoO3-Decorated Carbon Nanotubes
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Electrocatalytic glucose oxidation reaction(GOR)has attracted much attention owing to its crucial role in biofuel cell fab-rication.Herein,we load MoO3 nanoparticles on carbon nanotubes(CNTs)and use a discharge process to prepare a noble-metal-free MC-60 catalyst containing MoO3,Mo2C,and a Mo2C-MoO3 interface.In the GOR,MC-60 shows activity as high as 745 μA/(mmol/L cm2),considerably higher than those of the Pt/CNT(270 μA/(mmol/L cm2))and Au/CNT catalysts(110 μA/(mmol/L cm2)).In the GOR,the response minimum on MC-60 is as low as 8 μmol/L,with a steady-state response time of only 3 s.Moreover,MC-60 has superior stability and anti-interference ability to impurities in the GOR.The better performance of MC-60 in the GOR is attributed to the abundant Mo sites bonding to C and O atoms at the MoO3-Mo2C interface.These Mo sites create active sites for promoting glucose adsorption and oxidation,enhancing MC-60 performance in the GOR.Thus,these results help to fabricate more efficient noble-metal-free catalysts for the fabrication of glucose-based biofuel cells.
Yu-Long Men、Ning Dou、Yiyi Zhao、Yan Huang、Lei Zhang、Peng Liu
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Department of Chemical Engineering,School of Chemistry and Chemical Engineering,Shanghai Jiao Tong University,Shanghai 200240,China
Department of Thyroid Breast and Vascular Surgery,Shanghai Fourth People's Hospital Affiliated to Tongji University School of Medicine,Shanghai 200081,China
Department of Vascular Surgery,Changhai Hospital,Naval Medical University,Shanghai 200433,China
国家自然科学基金国家自然科学基金Double Thousand Plan of Jiangxi ProvinceDouble Thousand Plan of Jiangxi Province
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