Two-dimensional supramolecular polymers: controlled formation and visualization on the surface

Langenegger, Simon Matthias; Vybornyi, Mykhailo; Rudnev, A V; Wandlowski, Thomas; Häner, Robert (25 May 2013). Two-dimensional supramolecular polymers: controlled formation and visualization on the surface (Unpublished). In: SAOG2013. Fribourg Schweiz. 25. Januar 2013.

Self – assembly is a powerful tool for the construction of highly organized nanostructures. Therefore, the possibility to control and predict pathways of molecular ordering on the nanoscale level is a critical issue for the production of materials with tunable and adaptive macroscopic properties. 2D polymers are attractive objects for the field of material sciences due to their exceptional properties. [1] As shown before, amphiphilic oligopyrenotides (produced via automated solid-phase synthesis) form rod–like supramolecular polymers in water. [2] These assemblies form 1D objects. [3] By applying certain changes to the design of the oligopyrenotide units the dimensionality of the formed assemblies can be influenced. Herein, we demonstrate that Py3 (see Figure 1) forms defined supramolecular assemblies under thermodynamic conditions in water. To study Py3 self-assembly, we carried out whole set of spectroscopic (UV/vis, fluorescence, DLS) and microscopic experiments (AFM). The obtained results suggest that oligopyrenotides with the present type of geometry and linker length leads to formation of 2D supramolecular assemblies.

Item Type:

Conference or Workshop Item (Poster)

Division/Institute:

08 Faculty of Science > Departement of Chemistry and Biochemistry

UniBE Contributor:

Langenegger, Simon Matthias; Vybornyi, Mykhailo; Wandlowski, Thomas and Häner, Robert

Subjects:

500 Science > 570 Life sciences; biology
500 Science > 540 Chemistry

Language:

English

Submitter:

Franziska Bornhauser-Rufer

Date Deposited:

04 Apr 2014 23:00

Last Modified:

04 Apr 2014 23:00

URI:

https://boris.unibe.ch/id/eprint/41471

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