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Título: | Modern in situ real-time X-ray scattering and nucleation theory for an enhanced understanding of molecular self-assembly |
Autor: | Zykov, Anton; Bommel, Sebastian; Garmshausen, Yves; Pithan, Linus; Beyer, Paul; Santoro, Gonzalo CSIC ORCID ; Hecht, Stefan; Rabw, Jürgen P.; Kowarik, Stefan | Fecha de publicación: | 2017 | Citación: | DGP Verhandlungen (2017) | Resumen: | Quantifying nanoscale processes that drive the self-assembly of organic molecules into functional thin films is the prerequisite to understand and steer structure formation. In a study on the growth of PTCDI-C8 we unravel a remarkable layer-dependent molecular diffusion behaviour from an innovative simultatineous in situ acquisition of X-ray reflectivity growth oscillations and diffusively scattered X-rays and the application of state-of-the-art nucleation theory. This allows us to determine nucleation energies, critical cluster sizes and attempt frequencies.[1] These quantities can be strongly influenced when applying chemical tuning to well-known molecules. We showcase this on the example of the growth of 6P and 6PF2. As a result of the fluorination we achieve a significant film smoothening as desired for applications, where an efficient in-plane charge carrier transport is of importance. | Descripción: | Oral presentation given at the DGP Verhandlungen, held in Dresden (Germany) on March 19-24th, 2017. | URI: | http://hdl.handle.net/10261/187770 |
Aparece en las colecciones: | (ICMM) Comunicaciones congresos |
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