An angle resolved UPS study of benzene adsorption on Pt(111) |
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| Institution: | 1. Max-Planck-Institut für Mikrostrukturphysik, Weinberg 2, 06120 Halle, Germany;2. Faculty of Physics, Moscow State University, 119899 Moscow, Russia;3. Institut für Physik, Martin-Luther Universität 06120 Halle, Germany;1. State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, China;2. College of Civil Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, China;1. Peter Grünberg Institut (PGI-3), Forschungszentrum Jülich, 52425 Jülich, Germany;2. Jülich Aachen Research Alliance (JARA) – Fundamentals of Future Information Technology, 52425 Jülich, Germany;1. School of Chemistry, University of Nottingham, University Park, Nottingham, NG7 2RD, UK;2. Nikolaev Institute of Inorganic Chemistry, SB RAS, Lavrentiev ave. 3, 630090, Novosibirsk, Russia;3. Novosibirsk State University, Pirogova st. 2, 630090, Novosibirsk, Russia;4. King Abdulla University of Science & Technology, Thuwal, Makkah, 23955, Saudi Arabia;5. Graphenea S.A., Tolosa Hiribidea 76, 20018, Donostia-San Sebastían, Spain;6. CIC nanoGUNE Consolider, Av. de Tolosa 76, E-20018, Donostia-San Sebastian, Spain;7. IKERBASQUE Basque Foundation for Science, E-48013, Bilbao, Spain |
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| Abstract: | The results of an ARUPS study of benzene adsorption on Pt(111) at 300 K are presented. It is concluded that benzene is adsorbed on this surface with the ring parallel to the surface, and that the local symmetry of the adsorbed benzene is best described as CЗυ(σd). The n MO's of benzene are stabilized by ∼1.7 eV with respect to the σ M.O.S. on ehemisorption. These results are compared briefly with NEXAFS, HREELS and FT-i.r. data for benzene on this and other surfaces. The strength of the metal-benzene interaction on this surface appears to be greater than on Ni(1 11), Pd(1 1 1) or Rh(111) but less than on Ir(1 11), Os(0001) or Re(0001). |
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