Hauptseite > Publikationsdatenbank > Columnar self-assembly of a 3D-persulfurated coronene asterisk. The dominant role of Aryl-Sulfur bonds > print

001     19997
005     20180208204424.0
024 7 _ |a 10.1039/C1NJ20472F
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024 7 _ |a 2128/7415
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037 _ _ |a PreJuSER-19997
041 _ _ |a eng
082 _ _ |a 540
084 _ _ |2 WoS
|a Chemistry, Multidisciplinary
100 1 _ |a Kowalzik, P.
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245 _ _ |a Columnar self-assembly of a 3D-persulfurated coronene asterisk. The dominant role of Aryl-Sulfur bonds
260 _ _ |a London
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|c 2012
300 _ _ |a 477 - 483
336 7 _ |a Journal Article
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440 _ 0 |a New Journal of Chemistry
|x 1144-0546
|0 4599
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|v 36
500 _ _ |3 POF3_Assignment on 2016-02-29
500 _ _ |a Record converted from VDB: 12.11.2012
520 _ _ |a The synthesis, adsorption behavior, surface structure, and the charge transport properties of a persulfurated coronene asterisk with a 3D-polyaromatic system, namely dodecakis(phenylthio) coronene (DPTC), deposited on HOPG(0001) and Au(111) surfaces, are investigated by means of scanning tunneling microscopy (STM) and spectroscopy (STS). DPTC molecules adsorbed on HOPG(0001) show an orbital mediated tunneling through mainly undisturbed frontier molecular states. DPTC molecules self-assemble on Au(111) into a highly ordered p-stacked columnar "edge-on pattern. The columnar stacking is a gold surface mediated process, as ascertained by fluorescence correlation spectroscopy (FCS). DPTC was monomeric in the precursor solution before assembly. The tunneling spectra of ordered DPTC stacks on Au(111) show an energetic splitting of the frontier molecular states, indicating orbital overlap and supramolecular pi pi interactions of adjacent molecules. DPTCs are sufficiently flexible to facilitate dense 1D stacks. The multiple aryl-sulfur bonds play a dominant role in the modulation of the self-assembly properties of the coronenes which in turn affect their electronic properties. Our results encourage further applications in dendrimer chemistry toward molecular electronics, by using the functionalized coronene core and its multidirectional 3D properties.
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700 1 _ |a Rathgeber, S.
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700 1 _ |a Karthäuser, S.
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700 1 _ |a Waser, R.
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700 1 _ |a Schnaebele, N.
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700 1 _ |a Gingras, M.
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773 _ _ |a 10.1039/c1nj20472f
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|t New journal of chemistry
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856 7 _ |u http://dx.doi.org/10.1039/C1NJ20472F
856 4 _ |u https://juser.fz-juelich.de/record/19997/files/FZJ-19997.pdf
|y Published under German "Allianz" Licensing conditions on 2011-11-17. Available in OpenAccess from 2012-11-17
|z Published final document.
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