IHEP OpenIR  > 北京同步辐射装置
Engineering defect-rich Fe-doped NiO coupled Ni cluster nanotube arrays with excellent oxygen evolution activity
BSRF用户
2021
Source PublicationAPPLIED CATALYSIS B-ENVIRONMENTAL
ISSN0926-3373
EISSN1873-3883
Volume285Pages:119809
SubtypeArticle
AbstractHerein we present a novel multi-level structure of Fe-doped NiO coupled Ni cluster hollow nanotube arrays (FeNiO-Ni CHNAs) grown on carbon fiber cloth as an efficient catalyst for oxygen evolution reaction. In this multilevel structure, rocksalt-type Fe-doped NiO phase hybrids with Ni clusters coupled into the nanospheres anchored to the outside of nanotube, forming a unique 3D corn-like structure. This novel multi-level structure represents a large specific area for catalytic reaction. X-ray absorption fine structure indicates that the defect-rich Fe-doped NiO phase has abundant coordinative unsaturated sites as active sites, and Fe doping downshifts the d band of metal sites, which is the main contribution to the improved oxygen evolution reaction catalytic activity. The OER of Fe-NiO-Ni CHNAs obeys the adsorbate evolution mechanism with the nonconcerted proton-electron transfer pathway as a rate-determining step. Thus Fe-doped NiO CHNAs exhibits excellent OER performance and outstanding durability that surpasses most of transition metal oxides.
DOI10.1016/j.apcatb.2020.119809
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Physical ; Engineering, Environmental ; Engineering, Chemical
WOS IDWOS:000623243500001
ItemNoBSRF00163
beamline1W1B
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/292931
Collection北京同步辐射装置
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BSRF用户. Engineering defect-rich Fe-doped NiO coupled Ni cluster nanotube arrays with excellent oxygen evolution activity[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2021,285:119809.
APA BSRF用户.(2021).Engineering defect-rich Fe-doped NiO coupled Ni cluster nanotube arrays with excellent oxygen evolution activity.APPLIED CATALYSIS B-ENVIRONMENTAL,285,119809.
MLA BSRF用户."Engineering defect-rich Fe-doped NiO coupled Ni cluster nanotube arrays with excellent oxygen evolution activity".APPLIED CATALYSIS B-ENVIRONMENTAL 285(2021):119809.
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