Surface functionalization of ZIF-8 with ammonium ferric citrate toward high exposure of Fe-N active sites for efficient oxygen and carbon dioxide electroreduction
Ye, YF; Cai, F; Li, HB; Wu, HH; Wang, GX; Li, YS; Miao, S; Xie, SH; Si, R; Wang, J; Bao, XH
2017
发表期刊NANO ENERGY
ISSN2211-2855
卷号38期号:-页码:281-289
文章类型期刊论文
摘要Isolated metal-nitrogen sites are highly active to catalyze the oxygen and carbon dioxide electroreduction, however, the limited content of isolated metal-nitrogen sites within carbon matrix urgently requires full exposure of the active sites on the surface for efficient catalysis. Herein, post-synthetic modification strategy is explored to selectively confine ammonium ferric citrate on the surface of zeolitic imidazolate framework-8 (ZIF-8) nanoparticles. After pyrolysis, isolated iron-nitrogen sites are generated and located on the carbon matrix surface. The highly exposed iron-nitrogen sites demonstrate excellent mass activity toward oxygen reduction reaction in acidic medium, outperforming most reported non-noble metal catalysts, and also show superior selectivity and mass activity toward carbon dioxide electroreduction compared to most reported noble metal catalysts.
关键词Metal-organic Frameworks Nitrogen-doped Carbon Zeolitic Imidazolate Frameworks Reduction Reaction c Catalysts Fuel-cells In-situ Electrocatalyst Nanoparticles Molecules
DOI10.1016/j.nanoen.2017.05.042
关键词[WOS]METAL-ORGANIC FRAMEWORKS ; NITROGEN-DOPED CARBON ; ZEOLITIC IMIDAZOLATE FRAMEWORKS ; REDUCTION REACTION ; C CATALYSTS ; FUEL-CELLS ; IN-SITU ; ELECTROCATALYST ; NANOPARTICLES ; MOLECULES
收录类别SCI
语种英语
WOS记录号WOS:000405202800033
引用统计
被引频次:23[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28838
专题中科院上海应用物理研究所2011-2018年
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Ye, YF,Cai, F,Li, HB,et al. Surface functionalization of ZIF-8 with ammonium ferric citrate toward high exposure of Fe-N active sites for efficient oxygen and carbon dioxide electroreduction[J]. NANO ENERGY,2017,38(-):281-289.
APA Ye, YF.,Cai, F.,Li, HB.,Wu, HH.,Wang, GX.,...&Bao, XH.(2017).Surface functionalization of ZIF-8 with ammonium ferric citrate toward high exposure of Fe-N active sites for efficient oxygen and carbon dioxide electroreduction.NANO ENERGY,38(-),281-289.
MLA Ye, YF,et al."Surface functionalization of ZIF-8 with ammonium ferric citrate toward high exposure of Fe-N active sites for efficient oxygen and carbon dioxide electroreduction".NANO ENERGY 38.-(2017):281-289.
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