NEXAFS study on the orientation of chiral P-heptahelicene on Ni(100)

Ernst, K.-H.; Neuber, M.; Grunze, M.; Ellerbeck, U.

doi:10.1021/ja003262+

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NEXAFS study on the orientation of chiral P-heptahelicene on Ni(100)

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Grunze, M.
Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society;

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https://pubs.acs.org/doi/pdf/10.1021/ja003262%2B
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Ernst, K.-H., Neuber, M., Grunze, M., & Ellerbeck, U. (2001). NEXAFS study on the orientation of chiral P-heptahelicene on Ni(100). Journal of the American Chemical Society, 123(3), 493-495. doi:10.1021/ja003262+.

Cite as: https://hdl.handle.net/21.11116/0000-0001-BCEA-4

Abstract

Near-edge X-ray absorption spectroscopy with linearly polarized synchrotron radiation has been applied to study the orientation of the helically shaped polyaromatic hydrocarbon P-heptahelicene (C30H12) on a Ni(100) surface under ultrahigh vacuum (UHV) conditions. By measuring the polarization dependence of the C1s → π* transitions the local adsorption geometry was determined. Between the helical axis of the molecule and the surface plane an angle of 43 ± 5° was observed for a saturated monolayer.