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Thermally stable single atom Pt/m-Al2O3 for selective hydrogenation and CO oxidation
Zhang, Zailei1; Zhu, Yihan2; Asakura, Hiroyuki3,4; Zhang, Bin1; Zhang, Jiaguang1; Zhou, Maoxiang5; Han, Yu2,6; Tanaka, Tsunehiro3,4; Wang, Aiqin5; Zhang, Tao5; Yan, Ning1
Source PublicationNATURE COMMUNICATIONS
2017-07-27
DOI10.1038/ncomms16100
Volume8
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology
WOS SubjectMultidisciplinary Sciences
WOS Research AreaScience & Technology - Other Topics
WOS KeywordMETAL-SUPPORT INTERACTIONS ; ATOMICALLY DISPERSED PALLADIUM ; WATER-GAS SHIFT ; PLATINUM NANOPARTICLES ; CERIA CATALYSTS ; N-HEXANE ; ELECTROCHEMICAL REACTIONS ; GOLD NANOPARTICLES ; ACTIVE-SITES ; SURFACE
AbstractSingle-atom metal catalysts offer a promising way to utilize precious noble metal elements more effectively, provided that they are catalytically active and sufficiently stable. Herein, we report a synthetic strategy for Pt single-atom catalysts with outstanding stability in several reactions under demanding conditions. The Pt atoms are firmly anchored in the internal surface of mesoporous Al2O3, likely stabilized by coordinatively unsaturated pentahedral Al3+ centres. The catalyst keeps its structural integrity and excellent performance for the selective hydrogenation of 1,3-butadiene after exposure to a reductive atmosphere at 200 degrees C for 24 h. Compared to commercial Pt nanoparticle catalyst on Al2O3 and control samples, this system exhibits significantly enhanced stability and performance for n-hexane hydro-reforming at 550 degrees C for 48 h, although agglomeration of Pt single-atoms into clusters is observed after reaction. In CO oxidation, the Pt single-atom identity was fully maintained after 60 cycles between 100 and 400 degrees C over a one-month period.
Language英语
WOS IDWOS:000406360300001
Citation statistics
Cited Times:84[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/149793
Collection中国科学院大连化学物理研究所
Affiliation1.Natl Univ Singapore, Dept Chem & Biomol Engn, 4 Engn Dr 4, Singapore 117585, Singapore
2.King Abdullah Univ Sci & Technol, Phys Sci & Engn Div, Adv Membranes & Porous Mat Ctr, Thuwal 239556900, Saudi Arabia
3.Kyoto Univ, Grad Sch Engn, Dept Mol Engn, Kyoto 6158510, Japan
4.Kyoto Univ, ESICB, Kyoto 6158245, Japan
5.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
6.King Abdullah Univ Sci & Technol, Phys Sci & Engn Div, KAUST Catalysis Ctr, Thuwal 239556900, Saudi Arabia
Recommended Citation
GB/T 7714
Zhang, Zailei,Zhu, Yihan,Asakura, Hiroyuki,et al. Thermally stable single atom Pt/m-Al2O3 for selective hydrogenation and CO oxidation[J]. NATURE COMMUNICATIONS,2017,8.
APA Zhang, Zailei.,Zhu, Yihan.,Asakura, Hiroyuki.,Zhang, Bin.,Zhang, Jiaguang.,...&Yan, Ning.(2017).Thermally stable single atom Pt/m-Al2O3 for selective hydrogenation and CO oxidation.NATURE COMMUNICATIONS,8.
MLA Zhang, Zailei,et al."Thermally stable single atom Pt/m-Al2O3 for selective hydrogenation and CO oxidation".NATURE COMMUNICATIONS 8(2017).
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