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Preparation and Characterization of C60/Graphene Hybrid Nanostructures
Published on: May 15, 2018
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Nitrogen-embedded buckybowl and its assembly with C60
Hiroki Yokoi1, Yuya Hiraoka1, Satoru Hiroto1
1Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, Nagoya 464-8603, Japan.
Nature Communications
|September 5, 2015
Summary
Researchers synthesized a novel nitrogen-containing curved molecule, an azabuckybowl, enabling strong interactions with C60 fullerenes. This breakthrough offers potential for advanced materials with high charge mobility.
Area of Science:
- Organic Chemistry
- Materials Science
- Supramolecular Chemistry
Background:
- Curved π-conjugated molecules exhibit unique properties due to their distorted surfaces.
- Synthesizing heteroatom-containing curved systems is challenging due to harsh reaction conditions.
Purpose of the Study:
- To develop a novel synthesis for nitrogen-containing curved π-systems.
- To investigate the properties and interactions of the synthesized azabuckybowl with fullerenes.
Main Methods:
- Oxidation of 9-aminophenanthrene to form tetrabenzocarbazole.
- Palladium-catalyzed intramolecular coupling to yield the azabuckybowl.
- Characterization of the azabuckybowl/C60 assembly in solution and solid states.
Main Results:
- Successful synthesis of a π-extended azacorannulene (azabuckybowl) with a central nitrogen atom.
- Demonstrated tight association between the electron-donating azabuckybowl and C60.
- Observed high charge mobility in the azabuckybowl/C60 assembly.
Conclusions:
- The synthesized azabuckybowl is a promising fullerene host and anisotropic π donor.
- This work opens avenues for nitrogen-containing nanocarbon materials.
- The new synthetic route facilitates access to complex curved π-systems.
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