BPCPPDYSOE21 – wissenschaftliches Programm
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CPP: Fachverband Chemische Physik und Polymerphysik
CPP 6: Poster Session I - Molecular Electronics and Wetting
CPP 6.7: Poster
Montag, 22. März 2021, 16:30–18:30, CPPp
Coupled organic-inorganic nanostructures (COINs) with mixed organic linker molecules — •Florian Grassl1, Aladin Ullrich1, Ahmed E. Mansour3,4, Shaimaa Abdalbaqi1, Norbert Koch3,4, Andreas Opitz3, Marcus Scheele2, and Wolfgang Brütting1 — 1Institute of Physics, University of Augsburg, Germany — 2Institute for Physical and Theoretical Chemistry, University of Tübingen, Germany — 3Institut für Physik & IRIS Adlershof, Humboldt-Universität zu Berlin, Germany — 4Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Germany
COINs are composed of semiconducting inorganic nanoparticles and organic semiconductor molecules as ligands, which are covalently coupled to the surface of the nanoparticles [1]. A well-known organic ligand is 1,2-ethanedithiol (EDT) [2]; but it has the drawback of being very short as compared to the native oleic acid ligands. In this work we study the ligand Zinc β-tetraaminophthalocyanine (Zn4APc) [3], which has a desirable length comparable to oleic acid, but a low ligand exchange behaviour. To overcome this problem, a mixture of EDT and Zn4APc has been used. The binding of the ligands are compared by morphological, electronic, optical and electrical properties.
[1] M. Scheele, Bunsen Magazin, 2014, 4, 168
[2] J. Luther et al., Nano Lett., 2008, 8, 3488
[3] J. Lauth et al., Angew. Chem. Int. Ed., 2017, 56, 14061