Atomically Dispersed Intrinsic Hollow Sites of M-M-1-M (M-1 = Pt, Ir; M = Fe, Co, Ni, Cu, Pt, Ir) on FeCoNiCuPtIr Nanocrystals Enabling Rapid Water Redox

doi:10.1002/adfm.202110645

IMR OpenIR

	Atomically Dispersed Intrinsic Hollow Sites of M-M-1-M (M-1 = Pt, Ir; M = Fe, Co, Ni, Cu, Pt, Ir) on FeCoNiCuPtIr Nanocrystals Enabling Rapid Water Redox
	Lu, Yu 1; Huang, Kang 2; Cao, Xun 1; Zhang, Liyin 1; Wang, Tian 3; Peng, Dongdong 1; Zhang, Bowei 2; Liu, Zheng 1; Wu, Junsheng 2; Zhang, Yong 4; Chen, Chunjin 5; Huang, Yizhong 1
通讯作者	Wu, Junsheng(wujs@ustb.edu.cn) ; Zhang, Yong(yzhang2021@csu.edu.cn) ; Chen, Chunjin(cjchen16@imr.ac.cn) ; Huang, Yizhong(yzhuang@ntu.edu.sg)
	2022-01-31
发表期刊	ADVANCED FUNCTIONAL MATERIALS
ISSN	1616-301X
页码	9
摘要	Fabrication of advanced electrocatalysts acting as an electrode for simultaneous hydrogen and oxygen evolution reactions (i.e., HER and OER) in an overall cell has attracted massive attention but still faces enormous challenges. This study reports a significant strategy for the rapid synthesis of high-entropy alloys (HEAs) by pulsed laser irradiation. Two types of intrinsic atomic hollow sites over the surface of HEAs are revealed that enable engaging bifunctional activities for water splitting. In this work, a novel senary HEA electrocatalyst made of FeCoNiCuPtIr facilitates the redox of water at only 1.51 V to achieve 10 mA cm(-2) and still remains steadily catalytic and durable after being subjected to a 1m KOH solution for more than 20 h. First-principles calculations reveal that the incorporation of Ir and Pt atoms with neighboring elements donate valence electrons to hollow sites weakening the coupling strength between adsorbate and alloy surface and, consequently accelerating both HER and OER. This work delivers a powerful technique to synthesize highly efficient HEA catalysts and unravels the formation mechanism of active sites across the surface of HEA catalysts.
关键词	bifunctional electrocatalyst high entropy alloy high power pulsed irradiation hollow active sites OER and HER
资助者	MOE Tier 1 ; Natural Science Foundation of Beijing Municipality ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities
DOI	10.1002/adfm.202110645
收录类别	SCI
语种	英语
资助项目	MOE Tier 1[RG193/17] ; MOE Tier 1[RG 79/20 (2020-T1-001-045)] ; Natural Science Foundation of Beijing Municipality[2212037] ; National Natural Science Foundation of China[51771027] ; Fundamental Research Funds for the Central Universities[FRF-AT-20-07]
WOS研究方向	Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS类目	Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS记录号	WOS:000748788900001
出版者	WILEY-V C H VERLAG GMBH
引用统计	被引频次：54[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/173596
专题	中国科学院金属研究所
通讯作者	Wu, Junsheng; Zhang, Yong; Chen, Chunjin; Huang, Yizhong
作者单位	1.Nanyang Technol Univ, Sch Mat Sci & Engn, 50 Nanyang Ave, Singapore 639798, Singapore 2.Univ Sci & Technol Beijing, Inst Adv Mat & Technol, 30 Xueyuan Rd, Beijing 100083, Peoples R China 3.Natl Univ Singapore, Dept Chem, 3 Sci Dr 3, Singapore 117543, Singapore 4.Cent South Univ, Sch Mat Sci & Engn, Changsha 410083, Peoples R China 5.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Lu, Yu,Huang, Kang,Cao, Xun,et al. Atomically Dispersed Intrinsic Hollow Sites of M-M-1-M (M-1 = Pt, Ir; M = Fe, Co, Ni, Cu, Pt, Ir) on FeCoNiCuPtIr Nanocrystals Enabling Rapid Water Redox[J]. ADVANCED FUNCTIONAL MATERIALS,2022:9.
APA	Lu, Yu.,Huang, Kang.,Cao, Xun.,Zhang, Liyin.,Wang, Tian.,...&Huang, Yizhong.(2022).Atomically Dispersed Intrinsic Hollow Sites of M-M-1-M (M-1 = Pt, Ir; M = Fe, Co, Ni, Cu, Pt, Ir) on FeCoNiCuPtIr Nanocrystals Enabling Rapid Water Redox.ADVANCED FUNCTIONAL MATERIALS,9.
MLA	Lu, Yu,et al."Atomically Dispersed Intrinsic Hollow Sites of M-M-1-M (M-1 = Pt, Ir; M = Fe, Co, Ni, Cu, Pt, Ir) on FeCoNiCuPtIr Nanocrystals Enabling Rapid Water Redox".ADVANCED FUNCTIONAL MATERIALS (2022):9.