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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
刊名NATURE COMMUNICATIONS
2017-07-27
DOI10.1038/ncomms16100
8
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Multidisciplinary Sciences
研究领域[WOS]Science & Technology - Other Topics
关键词[WOS]METAL-SUPPORT INTERACTIONS ; ATOMICALLY DISPERSED PALLADIUM ; WATER-GAS SHIFT ; PLATINUM NANOPARTICLES ; CERIA CATALYSTS ; N-HEXANE ; ELECTROCHEMICAL REACTIONS ; GOLD NANOPARTICLES ; ACTIVE-SITES ; SURFACE
英文摘要Single-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.
语种英语
WOS记录号WOS:000406360300001
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/149793
专题中国科学院大连化学物理研究所
作者单位1.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
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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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