Phase diagram of pentacene growth on Au(110)

The Journal of Physical Chemistry. B
Luca FloreanoAlberto Morgante

Abstract

We studied the growth of pentacene (C22H14) on the Au(110) surface by means of He atom scattering and Synchrotron X-ray photoemission. We found that two-dimensional commensurate growth only occurs in the monolayer range for a substrate temperature, T(s), higher than approximately 370 K. Larger amounts of deposited molecules forms three-dimensional uncorrelated clusters on the wetting layer. The desorption of second layer molecules occurs at T(s) > or = 420 K. The highest coverage ordered phase displays a (6 x 8) symmetry and corresponds to the saturation coverage at T(s) = 420 K. The (3 x 6) symmetry phase, recently reported for a multilayer planar film [Ph. Guaino, et al. Appl. Phys. Lett. 2004, 85, 2777], is only found at a coverage slightly lower than the (6 x 8) one. The (3 x 6) phase corresponds to the saturation coverage of the first layer at T(s) = 470 K.

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Citations

Jul 8, 2011·Langmuir : the ACS Journal of Surfaces and Colloids·Rebecca A CantrellPaulette Clancy
Oct 3, 2014·Nanoscale·Denys NaumenkoMarco Lazzarino
May 27, 2009·The Journal of Chemical Physics·Liping HuangMarco Buongiorno Nardelli
Oct 19, 2010·The Journal of Chemical Physics·Weidong DouS T Lee
Jun 12, 2010·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Carla Castellarin-CudiaAndrea Goldoni
Aug 31, 2012·Langmuir : the ACS Journal of Surfaces and Colloids·Maria Grazia BettiMaddalena Pedio
Jun 25, 2020·Physical Chemistry Chemical Physics : PCCP·Takayuki SuzukiHiroshi Tochihara
Dec 29, 2007·Langmuir : the ACS Journal of Surfaces and Colloids·Gregor BavdekLuca Floreano
Jul 3, 2007·Langmuir : the ACS Journal of Surfaces and Colloids·Yi ZhengAndrew T S Wee
Apr 3, 2007·Langmuir : the ACS Journal of Surfaces and Colloids·Mohit HaranPaulette Clancy

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