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29 March 2013 SHG studies of self-assembled monolayers of subphthalocyanines on gold
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Self-assembled monolayers of thioether substituted subphthalocyanine [BClSubpc(Sn-C12H25)6] were prepared by deposition from solution. The adsorption kinetics of the molecules on gold substrates was characterized in situ and in real time by optical second harmonic generation (SHG). The obtained data have been fitted with three standard kinetic models and best agreement has been found using the first order Langmuir kinetic model. Subsequently, ellipsometry measurements have been performed to determine the thickness of the formed molecular layers. The extracted thickness was 13.0 nm, demonstrating the formation of a monolayer.
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Nadezda Lilichenko, Robert Ossig, Ulrich Glebe, Ulrich Siemeling, Frank Hubenthal, and Frank Träger "SHG studies of self-assembled monolayers of subphthalocyanines on gold", Proc. SPIE 8609, Synthesis and Photonics of Nanoscale Materials X, 860903 (29 March 2013);

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