| 通过与氧化石墨烯复合增强金属有机框架材料MOF(Ni)-74的电催化析氢性能 |
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| 引用本文： | 褚梅,李曦,李娜,侯美静,李小争,董永志,王璐.通过与氧化石墨烯复合增强金属有机框架材料MOF(Ni)-74的电催化析氢性能[J].材料导报,2018(5):1417-1422. |
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| 作者姓名： | 褚梅 李曦 李娜 侯美静 李小争 董永志 王璐 |
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| 作者单位： | 武汉理工大学化学化工与生命科学学院,武汉,430070 |
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| 基金项目： | 国家自然科学基金(51273155)，中央高校基本科研业务费专项资金(2016IB005 |
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| 摘 要： | 采用溶剂热法制备了金属有机框架材料 MOF(Ni)-74及其与氧化石墨烯(GO)的复合材料 MOF(Ni)-GO,并利用线性伏安扫描(LSV)等电化学方法在 N2饱和的0.5 mol/L H2SO4溶液中对材料的电催化性能进行了检测.实验结果表明,GO 的掺杂能显著提升金属有机框架材料 MOF(Ni)-74的电催化活性.其中 GO 含量为8%时,所得复合材料表现出最好的电催化析氢活性,起始电势仅为-0.462 V,塔菲尔斜率为110 mV/dec,同时该材料也表现出很好的电化学稳定性.
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| 关 键 词： | 金属有机框架(MOFs) MOF(Ni)-74 镍 氧化石墨烯 电催化 析氢反应 metal-organic frameworks (MOFs) MOF(Ni)-74 niobium graphene oxide electrocatalysis hydrogen evolu-tion reaction |
Improved Electrocatalytic Hydrogen-evolution Performance of Metal-Organic Framework MOF(Ni)-74 by Using Graphene Oxide Decorations |
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| CHU Mei,LI Xi,LI Na,HOU Meijing,LI Xiaozheng,DONG Yongzhi,WANG Lu.Improved Electrocatalytic Hydrogen-evolution Performance of Metal-Organic Framework MOF(Ni)-74 by Using Graphene Oxide Decorations[J].Materials Review,2018(5):1417-1422. |
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| Authors: | CHU Mei LI Xi LI Na HOU Meijing LI Xiaozheng DONG Yongzhi WANG Lu |
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| Abstract: | Using a solvothermal method,the metal-organic framework MOF(Ni)-74 and a series of its derivatives MOF(Ni)- GO(w%)differing in graphene oxide(GO)content(w%)were synthesized,and subsequently the linear sweep voltammetry(LSV) test was conducted in a N2-saturated 0.5 mol/L H2SO4solution in order to determine the electrocatalytic performance of the products to hydrogen evolution reaction(HER).Our experiment confirmed the significantly improved electrocatalytic activity of the GO-deco-rated MOF(Ni)-74 catalysts,among which the MOF(Ni)-GO(8%)exhibited the best electrochemical catalytic performance towards HER with the lowest onset potential (-0.462 V),the smallest Tafel slope (110 Mv/dec),as well as an excellent electrochemical stability. |
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