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Updated: May 26, 2026
09:35
Preparation of a Corannulene-functionalized Hexahelicene by Copper(I)-catalyzed Alkyne-azide Cycloaddition of Nonplanar Polyaromatic Units
Published on: September 18, 2016
Arylthio-substituted coronenes as tailored building blocks for molecular electronics.
Peter Kowalzik1, Nicolae Atodiresei, Marc Gingras
1Peter Grünberg Institut (PGI-7) and JARA-FIT, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany.
Physical Chemistry Chemical Physics : PCCP
|December 24, 2011
Summary
Researchers tuned molecular electronics by modifying coronene derivatives. Peripheral aryl-group changes affected self-assembly and charge transport, creating supramolecular wires and quantum dots.
Area of Science:
- Molecular electronics
- Organic electronics
- Materials science
Background:
- Electron transport in molecular devices depends on electrode interfaces and intermolecular interactions.
- Tailoring molecular properties is key to controlling electronic function in molecular electronics.
Purpose of the Study:
- To investigate the tunability of electronic properties in dodecakis(arylthio)coronenes (DATCs).
- To explore how modifications to peripheral aryl-groups influence self-assembly and charge transport.
Main Methods:
- Scanning tunneling microscopy (STM) and spectroscopy (STS) for structural and electronic characterization.
- Density functional theory (DFT) simulations to analyze molecular properties.
- Deposition of coronene derivatives on Au(111) surfaces.
Main Results:
- Dodecakis(arylthio)coronenes (DATCs) exhibit a three-dimensional aromatic system.
- Modifications to peripheral aryl-groups allow precise control over molecular self-assembly.
- Charge transport characteristics are tunable by altering molecular structure.
- Formation of supramolecular wires with delocalized orbitals and single molecules with quantum dot characteristics.
Conclusions:
- Peripheral aryl-group engineering offers a route to tune the electronic properties of coronene derivatives.
- This tunability enables the creation of advanced molecular assemblies for electronic applications.
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