Molecular self-assembly on an insulating surface: interplay between substrate templating and intermolecular interactions

Kittelmann M, Rahe P, Kühnle A (2012)
Journal of Physics : Condensed Matter 24(35): 354007.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
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Abstract / Bemerkung
We report on molecular self-assembly of biphenyl-4,4'-dicarboxylic acid (BPDCA) on CaCO3(10 (1) over bar4) under ultra-high vacuum conditions. Two-dimensional, ordered islands are obtained upon deposition at room temperature, coexisting with a streaky structure that is ascribed to individual, mobile molecules forming a two-dimensional gas-like phase. High-resolution non-contact atomic force microscopy (NC-AFM) images of the molecular islands reveal an ordered inner structure that is dominated by rows of molecules aligned side by side running along the [(42) over bar 61] crystallographic direction. A detailed analysis of these rows exhibits inter-row distances that are multiples of the calcite unit cell dimension along the [01 (1) over bar0] direction, clearly demonstrating the templating effect of the substrate. Our results indicate that an excellent size match of the molecular structure with respect to the underlying substrate results in an increased binding of the BPDCA molecules to the surface. In between the rows, a different molecular structure is coexisting with the molecules aligning head to tail. This structure is explained by intermolecular hydrogen bond formation very similar to the BPDCA bulk structure. The coexistence of the bulk-like structure with the row structure suggests a close balance of intermolecular and molecule-surface interactions to be responsible for the observed structure formation.
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Zeitschriftentitel
Journal of Physics : Condensed Matter
Band
24
Zeitschriftennummer
35
Seite
354007
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Kittelmann M, Rahe P, Kühnle A. Molecular self-assembly on an insulating surface: interplay between substrate templating and intermolecular interactions. Journal of Physics : Condensed Matter. 2012;24(35):354007.
Kittelmann, M., Rahe, P., & Kühnle, A. (2012). Molecular self-assembly on an insulating surface: interplay between substrate templating and intermolecular interactions. Journal of Physics : Condensed Matter, 24(35), 354007. doi:10.1088/0953-8984/24/35/354007
Kittelmann, M., Rahe, P., and Kühnle, A. (2012). Molecular self-assembly on an insulating surface: interplay between substrate templating and intermolecular interactions. Journal of Physics : Condensed Matter 24, 354007.
Kittelmann, M., Rahe, P., & Kühnle, A., 2012. Molecular self-assembly on an insulating surface: interplay between substrate templating and intermolecular interactions. Journal of Physics : Condensed Matter, 24(35), p 354007.
M. Kittelmann, P. Rahe, and A. Kühnle, “Molecular self-assembly on an insulating surface: interplay between substrate templating and intermolecular interactions”, Journal of Physics : Condensed Matter, vol. 24, 2012, pp. 354007.
Kittelmann, M., Rahe, P., Kühnle, A.: Molecular self-assembly on an insulating surface: interplay between substrate templating and intermolecular interactions. Journal of Physics : Condensed Matter. 24, 354007 (2012).
Kittelmann, Markus, Rahe, Philipp, and Kühnle, Angelika. “Molecular self-assembly on an insulating surface: interplay between substrate templating and intermolecular interactions”. Journal of Physics : Condensed Matter 24.35 (2012): 354007.
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2018-09-03T08:32:50Z

2 Zitationen in Europe PMC

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NMR characterization of hydrocarbon adsorption on calcite surfaces: a first principles study.
Bevilaqua RC, Rigo VA, Veríssimo-Alves M, Miranda CR., J Chem Phys 141(20), 2014
PMID: 25429955
Tuning molecular self-assembly on bulk insulator surfaces by anchoring of the organic building blocks.
Rahe P, Kittelmann M, Neff JL, Nimmrich M, Reichling M, Maass P, Kühnle A., Adv Mater 25(29), 2013
PMID: 23907708

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