Phase-Selective Epitaxial Growth of Heterophase Nanostructures on Unconventional 2H-Pd Nanoparticles

doi:10.1021/jacs.0c09461

	Phase-Selective Epitaxial Growth of Heterophase Nanostructures on Unconventional 2H-Pd Nanoparticles
	Ge, Yiyao 5,6; Huang, Zhiqi 5,6; Ling, Chongyi 5; Chen, Bo 5,6; Liu, Guigao 5; Zhou, Ming 6; Liu, Jiawei 6; Zhang, Xiao 6; Cheng, Hongfei 6; Liu, Guanghua 7
刊名	JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
	2020-11-04
卷号	142 期号:44 页码:18971-18980
ISSN号	0002-7863
DOI	10.1021/jacs.0c09461
英文摘要	Heterostructured, including heterophase, noble-metal nanomaterials have attracted much interest due to their promising applications in diverse fields. However, great challenges still remain in the rational synthesis of well-defined noble-metal heterophase nanostructures. Herein, we report the preparation of Pd nanoparticles with an unconventional hexagonal close-packed (2H type) phase, referred to as 2H-Pd nanoparticles, via a controlled phase transformation of amorphous Pd nanoparticles. Impressively, by using the 2H-Pd nanoparticles as seeds, Au nanomaterials with different crystal phases epitaxially grow on the specific exposed facets of the 2H-Pd, i.e., face-centered cubic (fcc) Au (fcc-Au) on the (002)(h) facets of 2H-Pd while 2H-Au on the other exposed facets, to achieve well-defined fcc-2H-fcc heterophase Pd@Au core-shell nanorods. Moreover, through such unique facet-directed crystal-phase-selective epitaxial growth, a series of unconventional fcc-2H-fcc heterophase core-shell nanostructures, including PdpAg, Pd ca Pd@PtNi, and Pd ca have also been prepared. Impressively, the fcc-2H-fcc heterophase Pd@Au nanorods show excellent performance toward the electrochemical carbon dioxide reduction reaction (CO2RR) for production of carbon monoxide with Faradaic efficiencies of over 90% in an exceptionally wide applied potential window from -0.9 to -0.4 V (versus the reversible hydrogen electrode), which is among the best reported CO2RR catalysts in H- type electrochemical cells.
资助项目	ITC via the Hong Kong Branch of National Precious Metals Material Engineering Research Center (NPMM) ; City University of Hong Kong[9610480] ; City University of Hong Kong[7200651] ; City University of Hong Kong[9380100] ; City University of Hong Kong[9610478] ; City University of Hong Kong[7005512] ; City University of Hong Kong[1886921] ; U.S. DOE[DE-AC02-06CH11357] ; Canadian Light Source
WOS关键词	OXYGEN REDUCTION ; CARBON-DIOXIDE ; ELECTROCATALYTIC CONVERSION ; OXIDATION ; NANOCAGES ; CO2
WOS研究方向	Chemistry
语种	英语
出版者	AMER CHEMICAL SOC
WOS记录号	WOS:000585703000025
资助机构	ITC via the Hong Kong Branch of National Precious Metals Material Engineering Research Center (NPMM) ; City University of Hong Kong ; U.S. DOE ; Canadian Light Source
内容类型	期刊论文
源URL	[http://ir.ipe.ac.cn/handle/122111/42767]
专题	中国科学院过程工程研究所
通讯作者	Zhang, Hua
作者单位	1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 2.City Univ Hong Kong, Hong Kong Branch Natl Precious Met Mat Engn Res C, Kowloon, Hong Kong, Peoples R China 3.Chinese Univ Hong Kong, Dept Chem, Shatin, Hong Kong, Peoples R China 4.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China 5.City Univ Hong Kong, Dept Chem, Kowloon, Hong Kong, Peoples R China 6.Nanyang Technol Univ, Ctr Programmable Mat, Sch Mat Sci & Engn, Singapore 639798, Singapore 7.Tsinghua Univ, Sch Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China 8.Brookhaven Natl Lab, Natl Synchrotron Light Source 2, Upton, NY 11973 USA 9.Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA 10.City Univ Hong Kong, Dept Elect Engn, Hong Kong, Peoples R China
推荐引用方式 GB/T 7714	Ge, Yiyao,Huang, Zhiqi,Ling, Chongyi,et al. Phase-Selective Epitaxial Growth of Heterophase Nanostructures on Unconventional 2H-Pd Nanoparticles[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,2020,142(44):18971-18980.
APA	Ge, Yiyao.,Huang, Zhiqi.,Ling, Chongyi.,Chen, Bo.,Liu, Guigao.,...&Zhang, Hua.(2020).Phase-Selective Epitaxial Growth of Heterophase Nanostructures on Unconventional 2H-Pd Nanoparticles.JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,142(44),18971-18980.
MLA	Ge, Yiyao,et al."Phase-Selective Epitaxial Growth of Heterophase Nanostructures on Unconventional 2H-Pd Nanoparticles".JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 142.44(2020):18971-18980.