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Phase-Selective Epitaxial Growth of Heterophase Nanostructures on Unconventional 2H-Pd Nanoparticles
Ge, Yiyao1,2; Huang, Zhiqi1,2; Ling, Chongyi1; Chen, Bo1,2; Liu, Guigao1; Zhou, Ming2; Liu, Jiawei2; Zhang, Xiao2; Cheng, Hongfei2; Liu, Guanghua3; Du, Yonghua4; Sun, Cheng-Jun5; Tan, Chaoliang6; Huang, Jingtao2; Yin, Pengfei1,2; Fan, Zhanxi1,2,7; Chen, Ye8; Yang, Nailiang9,10; Zhang, Hua1,7
2020-11-04
Source PublicationJOURNAL OF THE AMERICAN CHEMICAL SOCIETY
ISSN0002-7863
Volume142Issue:44Pages:18971-18980
AbstractHeterostructured, 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.
DOI10.1021/jacs.0c09461
Language英语
WOS KeywordOXYGEN REDUCTION ; CARBON-DIOXIDE ; ELECTROCATALYTIC CONVERSION ; OXIDATION ; NANOCAGES ; CO2
Funding ProjectITC 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 Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
Funding OrganizationITC 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
WOS IDWOS:000585703000025
PublisherAMER CHEMICAL SOC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/42768
Collection中国科学院过程工程研究所
Corresponding AuthorZhang, Hua
Affiliation1.City Univ Hong Kong, Dept Chem, Kowloon, Hong Kong, Peoples R China
2.Nanyang Technol Univ, Ctr Programmable Mat, Sch Mat Sci & Engn, Singapore 639798, Singapore
3.Tsinghua Univ, Sch Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China
4.Brookhaven Natl Lab, Natl Synchrotron Light Source 2, Upton, NY 11973 USA
5.Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA
6.City Univ Hong Kong, Dept Elect Engn, Hong Kong, Peoples R China
7.City Univ Hong Kong, Hong Kong Branch Natl Precious Met Mat Engn Res C, Kowloon, Hong Kong, Peoples R China
8.Chinese Univ Hong Kong, Dept Chem, Shatin, Hong Kong, Peoples R China
9.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
10.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
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.
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