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学科主题物理化学
In Situ Oxidation Study of Pt(110) and Its Interaction with CO
Butcher, Derek R.2,5; Grass, Michael E.1,5; Zeng, Zhenhua2; Aksoy, Funda3,5; Bluhm, Hendrik5; Li, Wei-Xue2; Mun, Bongjin S.1; Somorjai, Gabor A.4,5; Liu, Zhi5; BongjinS.Mun; Li WX(李微雪); ZhiLiu
刊名JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
2011-12-21
ISSN待补充
DOI10.1021/ja207261s
133期:50页:20319-20325
收录类别SCI
文章类型Article
部门归属5
项目归属507
产权排名3,1
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
关键词[WOS]RAY PHOTOELECTRON-SPECTROSCOPY ; PT-GROUP METALS ; AMBIENT-PRESSURE ; PYRROLE HYDROGENATION ; LEVEL SHIFTS ; SURFACE ; PLATINUM ; OXIDE ; NANOPARTICLES ; PHOTOEMISSION
英文摘要In Situ Oxidation Study of Pt(110) and Its Interaction with CO; Many interesting structures have been observed for O(2)-exposed Pt(110). These structures, along with their stability and reactivity toward CO, provide insights into catalytic processes on open Pt surfaces, which have similarities to Pt nanoparticle catalysts. In this study, we present results from ambient-pressure X-ray photoelectron spectroscopy, high-pressure scanning tunneling microscopy, and density functional theory calculations. At low oxygen pressure, only chemisorbed oxygen is observed on the Pt(110) surface. At higher pressure (0.5 Torr of O(2)), nanometer-sized islands of multilayered alpha-PtO(2)-like surface oxide form along with chemisorbed oxygen. Both chemisorbed oxygen and the surface oxide are removed in the presence of CO, and the rate of disappearance of the surface oxide is dose to that of the chemisorbed oxygen at 270 K. The spectroscopic features of the surface oxide are similar to the oxide observed on Pt nanoparticles of a similar size, which provides us an extra incentive to revisit some single-crystal model catalyst surfaces under elevated pressure using in situ tools.
语种英语
WOS记录号WOS:000298713600054
引用统计
被引频次:74[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/115720
专题中国科学院大连化学物理研究所
通讯作者BongjinS.Mun; Li WX(李微雪); ZhiLiu
作者单位1.Hanyang Univ, Dept Appl Phys, ERICA, Seoul 426791, South Korea
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
3.Nigde Univ, Dept Phys, Fac Arts & Sci, Nigde, Turkey
4.Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
5.Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
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GB/T 7714
Butcher, Derek R.,Grass, Michael E.,Zeng, Zhenhua,et al. In Situ Oxidation Study of Pt(110) and Its Interaction with CO[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,2011,133(50):20319-20325.
APA Butcher, Derek R..,Grass, Michael E..,Zeng, Zhenhua.,Aksoy, Funda.,Bluhm, Hendrik.,...&ZhiLiu.(2011).In Situ Oxidation Study of Pt(110) and Its Interaction with CO.JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,133(50),20319-20325.
MLA Butcher, Derek R.,et al."In Situ Oxidation Study of Pt(110) and Its Interaction with CO".JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 133.50(2011):20319-20325.
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