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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, Yifan1,6; Cai, Fan1,6; Li, Haobo1,6; Wu, Haihua1,6; Wang, Guoxiong1; Li, Yanshuo2; Miao, Shu1; Xie, Songhai3; Si, Rui4; Wang, Jian5; Bao, Xinhe1
关键词Surface Functionalization Zeolitic Imidazolate Framework Iron-nitrogen Active Site Oxygen Reduction Reaction Carbon Dioxide Electroreduction
刊名NANO ENERGY
2017-08-01
DOI10.1016/j.nanoen.2017.05.042
38页:281-289
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
研究领域[WOS]Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
关键词[WOS]METAL-ORGANIC FRAMEWORKS ; NITROGEN-DOPED CARBON ; ZEOLITIC IMIDAZOLATE FRAMEWORKS ; REDUCTION REACTION ; C CATALYSTS ; FUEL-CELLS ; IN-SITU ; ELECTROCATALYST ; NANOPARTICLES ; MOLECULES
英文摘要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.
语种英语
WOS记录号WOS:000405202800033
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/152081
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, State Key Lab Catalysis,CAS Ctr Excellence Nanosc, Dalian 116023, Peoples R China
2.Ningbo Univ, Sch Mat Sci & Chem Engn, Ningbo 315211, Zhejiang, Peoples R China
3.Fudan Univ, Dept Chem, Shanghai Key Lab Mol Catalysis & Innovat Mat, Shanghai 200433, Peoples R China
4.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China
5.Univ Saskatchewan, Canadian Light Source Inc, 44 Innovat Blvd, Saskatoon, SK S7N 2V3, Canada
6.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
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Ye, Yifan,Cai, Fan,Li, Haobo,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, Yifan.,Cai, Fan.,Li, Haobo.,Wu, Haihua.,Wang, Guoxiong.,...&Bao, Xinhe.(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, Yifan,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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