Atomic-level insight into super-efficient electrocatalytic oxygen evolution on iron and vanadium co-doped nickel (oxy)hydroxide

doi:10.1038/s41467-018-05341-y

CORC > 上海应用物理研究所 > 中国科学院上海应用物理研究所 > 中科院上海应用物理研究所2011-2017年

	Atomic-level insight into super-efficient electrocatalytic oxygen evolution on iron and vanadium co-doped nickel (oxy)hydroxide
	Jiang, J ; Sun, FF ; Zhou, S ; Hu, W ; Zhang, H ; Dong, JC ; Jiang, Z ; Zhao, JJ ; Li, JF ; Yan, WS
刊名	NATURE COMMUNICATIONS
	2018
卷号	9 期号:-页码:-
关键词	RAY-ABSORPTION SPECTROSCOPY WATER OXIDATION ELECTROCATALYST DOUBLE HYDROXIDE NANOSHEETS ELECTRONIC-STRUCTURE ELECTROCHEMICAL EVOLUTION REACTION DYNAMICS OXIDE CATALYSTS REDOX STATES METAL SURFACES
ISSN号	2041-1723
DOI	10.1038/s41467-018-05341-y
文献子类	期刊论文
英文摘要	It is of great importance to understand the origin of high oxygen-evolving activity of state-of the-art multimetal oxides/(oxy)hydroxides at atomic level. Herein we report an evident improvement of oxygen evolution reaction activity via incorporating iron and vanadium into nickel hydroxide lattices. X-ray photoelectron/absorption spectroscopies reveal the synergistic interaction between iron/vanadium dopants and nickel in the host matrix, which subtly modulates local coordination environments and electronic structures of the iron/vanadium/nickel cations. Further, in-situ X-ray absorption spectroscopic analyses manifest contraction of metal-oxygen bond lengths in the activated catalyst, with a short vanadium-oxygen bond distance. Density functional theory calculations indicate that the vanadium site of the iron/ vanadium co-doped nickel (oxy)hydroxide gives near-optimal binding energies of oxygen evolution reaction intermediates and has lower overpotential compared with nickel and iron sites. These findings suggest that the doped vanadium with distorted geometric and disturbed electronic structures makes crucial contribution to high activity of the trimetallic catalyst.
语种	英语
内容类型	期刊论文
源URL	[http://ir.sinap.ac.cn/handle/331007/30855]
专题	上海应用物理研究所_中科院上海应用物理研究所2011-2017年
作者单位	1.Dalian Univ Technol, MOE Key Lab Mat Modificat Laser Ion & Electron Be, Dalian 116024, Peoples R China 2.Dalian Univ Technol, DUT KTH Joint Educ & Res Ctr Mol Devices, State Key Lab Fine Chem, Dalian 116024, Peoples R China 3.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201204, Peoples R China 4.Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China 5.Xiamen Univ, Coll Chem & Chem Engn, State Key Lab Phys Chem Solid Surfaces, Xiamen 361005, Peoples R China
推荐引用方式 GB/T 7714	Jiang, J,Sun, FF,Zhou, S,et al. Atomic-level insight into super-efficient electrocatalytic oxygen evolution on iron and vanadium co-doped nickel (oxy)hydroxide[J]. NATURE COMMUNICATIONS,2018,9(-):-.
APA	Jiang, J.,Sun, FF.,Zhou, S.,Hu, W.,Zhang, H.,...&Wang, M.(2018).Atomic-level insight into super-efficient electrocatalytic oxygen evolution on iron and vanadium co-doped nickel (oxy)hydroxide.NATURE COMMUNICATIONS,9(-),-.
MLA	Jiang, J,et al."Atomic-level insight into super-efficient electrocatalytic oxygen evolution on iron and vanadium co-doped nickel (oxy)hydroxide".NATURE COMMUNICATIONS 9.-(2018):-.