青岛科技大学  English 
林健健
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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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Engineering unique Fe(SexS1-x)(2) nanorod bundles for boosting oxygen evolution reaction

关键字:HIGHLY EFFICIENT ELECTROCATALYST; HYDROGEN EVOLUTION; PERFORMANCE; CATALYSIS; OXIDATION

摘要:Fe-based electrocatalysts have attracted significant attention on account of the possibility for the realization of low-cost, high efficiency, and stable oxygen evolution reaction (OER) in alkaline solution. In this study, we present a new type of Fe(SexS1-x)(2) nanorod bundles, which were successfully synthesized via a simple one-step hydrothermal method. We further demonstrate the applicability of these structures as electrocatalysts for OER application. We reveal that the incorporation of S into FeSe2 cause lattice strain and lattice defect, which is beneficial to expose more active sites and optimize the electronic structure, and hence the Fe(SexS1-x)(2) composites display favorable catalytic for OER. More interestingly, the as-prepared Fe(Se0.5S0.5)(2) catalyst exhibits the best OER performance with an overpotential at 10 mA.cm(-2) of 247 mV, a low tafel slope of 54 mV/dec, and excellent catalytic stability. This work is expected to open a new door to discover other Fe-based materials as efficient catalysts for renewable energy.

卷号:418

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