7 March 2014 Epitaxial growth of a methoxy-functionalized organic semiconductor on dielectric surfaces
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Functionalization of small, rod like organic molecules can be used to optimize organic devices. Here we report on nanofiber formation and thin film growth of a methoxy-functionalized para-quaterphenylene (1,4'''-Dimethoxy- 4,1':4',1'':4'',1'''-quaterphenylene, MOP4) on prototypical dielectric substrates such as muscovite mica, phlogopite mica, highly ordered pyrolytic graphite (HOPG), and on the alkali halide NaCl. The nanofibers consist of lying molecules, the films of upright standing ones. The grown samples are characterized by polarized optical microscopy (fluorescence, birefringence, bireflectance), by atomic force microscopy (AFM), and by Kelvin probe force microscopy (KPFM) to gain insight into their structure and epitaxial relation with the substrates.
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Frank Balzer, Rong Sun, Horst-Günter Rubahn, Manuela Schiek, Arne Lützen, "Epitaxial growth of a methoxy-functionalized organic semiconductor on dielectric surfaces", Proc. SPIE 8983, Organic Photonic Materials and Devices XVI, 89830M (7 March 2014); doi: 10.1117/12.2040434; https://doi.org/10.1117/12.2040434


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