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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
Source PublicationNANO ENERGY
ISSN2211-2855
Volume38Issue:-Pages:281-289
Subtype期刊论文
AbstractIsolated 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.
KeywordMetal-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
WOS KeywordMETAL-ORGANIC FRAMEWORKS ; NITROGEN-DOPED CARBON ; ZEOLITIC IMIDAZOLATE FRAMEWORKS ; REDUCTION REACTION ; C CATALYSTS ; FUEL-CELLS ; IN-SITU ; ELECTROCATALYST ; NANOPARTICLES ; MOLECULES
Indexed BySCI
Language英语
WOS IDWOS:000405202800033
Citation statistics
Cited Times:43[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/28838
Collection中科院上海应用物理研究所2011-2018年
Recommended Citation
GB/T 7714
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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