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000016365 0247_ $$2DOI$$a10.1088/1367-2630/12/8/083038
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000016365 084__ $$2WoS$$aPhysics, Multidisciplinary
000016365 1001_ $$0P:(DE-Juel1)VDB93047$$aKröger, I.$$b0$$uFZJ
000016365 245__ $$aSubmonolayer growth of copper-phthalocyanine on Ag(111)
000016365 260__ $$a[Bad Honnef]$$bDt. Physikalische Ges.$$c2010
000016365 300__ $$a083038
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000016365 440_0 $$08201$$aNew Journal of Physics$$v12$$x1367-2630$$y8
000016365 500__ $$aWe acknowledge financial support from the Deutsche Forschungsgemeinschaft (KU 1531/2-1, GK 1221 and FOR 1162) and from the ESRF, Grenoble, France.
000016365 520__ $$aThe growth of high-quality thin films is a key issue in the ability to design electronic devices based on organic materials and to tune their properties. In this context, the interfaces between metals and organic films play a decisive role. Here, we report on the interface formation between copper-phthalocyanine (CuPc) and an Ag(111) surface using various complementary methods. High-resolution low-energy electron diffraction revealed a rich phase diagram for this system with disordered (two-dimensional (2D)-gas-like) and ordered structures (commensurate and point-on-line). In particular, a continuous change in lattice parameters with increasing coverage was found for long-range ordered structures, indicating a substrate-mediated repulsive intermolecular interaction similar to the case of tin-phthalocyanine/Ag(111). Chemisorptivebonding to the substrate was found by x-ray standing waves and ultraviolet photoelectron spectroscopy, and this weakened with increasing coverage at low temperature. This remarkable effect is correlated to a shift in the highest occupied molecular orbital (HOMO) and a HOMO-1 split off band to higher binding energies. Based on our experimental results, we present a comprehensive study of the adsorption behavior of CuPc/Ag(111), including the mechanisms for phase formation and molecular interaction.
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000016365 7001_ $$0P:(DE-Juel1)VDB93048$$aStadtmüller, B.$$b1$$uFZJ
000016365 7001_ $$0P:(DE-HGF)0$$aStadler, C.$$b2
000016365 7001_ $$0P:(DE-HGF)0$$aZiroff, J.$$b3
000016365 7001_ $$0P:(DE-HGF)0$$aKochler, M.$$b4
000016365 7001_ $$0P:(DE-HGF)0$$aStahl, A.$$b5
000016365 7001_ $$0P:(DE-HGF)0$$aPollinger, F.$$b6
000016365 7001_ $$0P:(DE-HGF)0$$aLee, T.-L.$$b7
000016365 7001_ $$0P:(DE-HGF)0$$aZegenhagen, J.$$b8
000016365 7001_ $$0P:(DE-HGF)0$$aReinert, F.$$b9
000016365 7001_ $$0P:(DE-Juel1)VDB77884$$aKumpf, C.$$b10$$uFZJ
000016365 773__ $$0PERI:(DE-600)1464444-7$$a10.1088/1367-2630/12/8/083038$$gVol. 12, p. 083038$$p083038$$q12<083038$$tNew journal of physics$$v12$$x1367-2630$$y2010
000016365 8567_ $$uhttp://dx.doi.org/10.1088/1367-2630/12/8/083038
000016365 8564_ $$uhttps://juser.fz-juelich.de/record/16365/files/Kr%C3%B6ger_2010_New_J._Phys._12_083038.pdf$$yOpenAccess
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000016365 9141_ $$y2010
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