青岛科技大学  English 
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教授 博士生导师  
硕士生导师  

教师拼音名称:linjianjian

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入职时间:2018-09-11

所在单位:化学与分子工程学院

学历:博士研究生

办公地点:四方校区第一实验楼216

性别:女

联系方式:19862229511

学位:工学博士

职称:教授

毕业院校:澳大利亚伍伦贡大学

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Efficient Co-doped pyrrhotite Fe0.95S1.05 nanoplates for electrochemical water splitting

关键字:HYDROGEN EVOLUTION; HIGHLY EFFICIENT; IRON SULFIDE; OXYGEN REDUCTION; CARBON NANOTUBES; FE; ELECTROCATALYST; CATALYSTS; NI; NANOPARTICLES

摘要:The development of high performance bi-functional electrocatalysts for both oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) with low cost materials has remained a great challenge in electrochemical water splitting. Herein, we design and develop novel Co-doped Fe0.95S1.05 nanoplates, which were synthesized using Fe(CO)(5) as precursor for the first time via a one pot reaction. Fe0.9Co0.05S1.05 lead to enhanced OER activity with a low overpotential of similar to 0.27 V at 20 mA/cm(2), small Tafel slope of similar to 46 mV/decade, as well as improved HER activity with a Tafel slope of 114 mV/decade and a current density of 20 mA/cm(2) at an overpotential of similar to 0.385 V. This study produced the most active pyrrhotite FeS based catalyst for electrochemical water splitting, which suggests a scalable, low cost, simple, and highly efficient catalyst for water splitting.

卷号:402

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