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The chemisorption of coronene on Si(001)-2×1

Suzuki, T and Sorescu, DC and Jordan, KD and Levy, J and Yates, JT (2006) The chemisorption of coronene on Si(001)-2×1. Journal of Chemical Physics, 124 (5). ISSN 0021-9606

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Coronene (C24 H12) adsorption on the clean Si(001)- 2×1 surface was investigated by scanning tunneling microscopy and by density-functional calculations. The coronene adsorbed randomly at 25 °C on the surface and did not form two-dimensional islands. The scanning tunneling microscopy measurements revealed three adsorption sites for the coronene molecule on the Si(001) surface at low coverage. The major adsorption configuration involves coronene bonding to four underlying Si atoms spaced two lattice spacings apart in a dimer row. The two minor adsorption configurations involve asymmetrical bonding of a coronene molecule between Si dimer rows and form surface species with a mirror plane symmetry to their chiral neighbor species. The two minor bonding arrangements are stabilized by a type- C defect on the Si(001) surface. © 2006 American Institute of Physics.


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Item Type: Article
Status: Published
CreatorsEmailPitt UsernameORCID
Suzuki, T
Sorescu, DCdsorescu@pitt.eduDSORESCU
Jordan, KDjordan@pitt.eduJORDAN
Levy, Jjlevy@pitt.eduJLEVY0000-0002-5700-2977
Yates, JT
Date: 14 February 2006
Date Type: Publication
Journal or Publication Title: Journal of Chemical Physics
Volume: 124
Number: 5
DOI or Unique Handle: 10.1063/1.2161195
Schools and Programs: Dietrich School of Arts and Sciences > Chemistry
Refereed: Yes
ISSN: 0021-9606
PubMed ID: 16468895
Date Deposited: 29 Oct 2012 21:23
Last Modified: 08 Jun 2022 19:55


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