Restructuring of hex-Pt(100) under CO Gas Environments: Formation of 2-D Nanoclusters
2009
Source PublicationNANO LETTERS
ISSN1530-6984
Volume9Issue:5Pages:2167-2171
Status已发表
DOI10.1021/nl900809u
Abstract

The atomic-scale restructuring of hex-Pt(100) induced by carbon monoxide with a wide pressure range was studied with a newly designed chamber-in-chamber high-pressure STM and theoretical calculations. Both experimental and DFT calculation results show that CO molecules are bound to Pt nanoclusters; through a tilted on-top configuration with a separation of similar to 3.7-4.1 angstrom. The phenomenon of restructuring of metal catalyst surfaces induced by adsorption and, in particular, the formation of small metallic clusters suggests the importance of studying structures of catalyst surfaces under high-pressure conditions for understanding catalytic mechanisms.

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Indexed BySCI
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS SubjectChemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000266157100079
PublisherAMER CHEMICAL SOC
WOS KeywordSCANNING-TUNNELING-MICROSCOPY ; PRESSURE GAP ; SURFACE ; PT(100) ; ADSORPTION ; TRANSITION ; PLATINUM ; PT(100)-HEX-R0.7-DEGREES ; SPECTROSCOPY ; MECHANISM
Citation statistics
Document Type期刊论文
Identifierhttps://kms.shanghaitech.edu.cn/handle/2MSLDSTB/31125
Collection个人在本单位外知识产出
Corresponding AuthorSalmeron, Miquel
Affiliation
1.Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA
2.Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
3.Univ Calif Berkeley, Lawrence Berkeley Lab, Computat Res Div, Berkeley, CA 94720 USA
4.Univ Calif Berkeley, Lawrence Berkeley Lab, Adv Light Sources, Berkeley, CA 94720 USA
Recommended Citation
GB/T 7714
Tao, Feng,Dag, Sefa,Wang, Lin-Wang,et al. Restructuring of hex-Pt(100) under CO Gas Environments: Formation of 2-D Nanoclusters[J]. NANO LETTERS,2009,9(5):2167-2171.
APA Tao, Feng.,Dag, Sefa.,Wang, Lin-Wang.,Liu, Zhi.,Butcher, Derek R..,...&Somorjai, Gabor A..(2009).Restructuring of hex-Pt(100) under CO Gas Environments: Formation of 2-D Nanoclusters.NANO LETTERS,9(5),2167-2171.
MLA Tao, Feng,et al."Restructuring of hex-Pt(100) under CO Gas Environments: Formation of 2-D Nanoclusters".NANO LETTERS 9.5(2009):2167-2171.
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