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Pentacene films on Cu(119)

The present study demonstrates that highly ordered pentacene films can be obtained on a Cu(119) vicinal surface both in a flat orientation for low coverages and in a bulk-like herringbone orientation for higher coverages.


E. Annese et al., Langmuir 26, 19142 (2010)

The molecular structure of thin pentacene film grown on a Cu(119) surface has been studied by Near Edge X-ray Absorption Fine Structure spectroscopy and scanning tunnelling microscopy. Pentacene molecules arrange with the main axis almost parallel with the Cu terraces according to the measured polarization dependence of the C 1s absorption spectra. For thickness exceeding 4 nm an upright arrangement of the molecules was observed with a dense herringbone-like ordering. The present study thus demonstrates that highly ordered pentacene films can be obtained on a Cu(119) vicinal surface both in a flat orientation for low coverages and in a bulk-like herringbone orientation for higher coverages.

  

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Langmuir 26, 19142 (2010)
Last Updated on Tuesday, 21 October 2014 14:52