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Transformation of doped graphite into cluster-encapsulated fullerene cages.


ABSTRACT: An ultimate goal in carbon nanoscience is to decipher formation mechanisms of highly ordered systems. Here, we disclose chemical processes that result in formation of high-symmetry clusterfullerenes, which attract interest for use in applications that span biomedicine to molecular electronics. The conversion of doped graphite into a C80 cage is shown to occur through bottom-up self-assembly reactions. Unlike conventional forms of fullerene, the iconic Buckminsterfullerene cage, I h-C60, is entirely avoided in the bottom-up formation mechanism to afford synthesis of group 3-based metallic nitride clusterfullerenes. The effects of structural motifs and cluster-cage interactions on formation of compounds in the solvent-extractable C70-C100 region are determined by in situ studies of defined clusterfullerenes under typical synthetic conditions. This work establishes the molecular origin and mechanism that underlie formation of unique carbon cage materials, which may be used as a benchmark to guide future nanocarbon explorations.

SUBMITTER: Mulet-Gas M 

PROVIDER: S-EPMC5663703 | biostudies-literature | 2017 Oct

REPOSITORIES: biostudies-literature

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Transformation of doped graphite into cluster-encapsulated fullerene cages.

Mulet-Gas Marc M   Abella Laura L   Cerón Maira R MR   Castro Edison E   Marshall Alan G AG   Rodríguez-Fortea Antonio A   Echegoyen Luis L   Poblet Josep M JM   Dunk Paul W PW  

Nature communications 20171031 1


An ultimate goal in carbon nanoscience is to decipher formation mechanisms of highly ordered systems. Here, we disclose chemical processes that result in formation of high-symmetry clusterfullerenes, which attract interest for use in applications that span biomedicine to molecular electronics. The conversion of doped graphite into a C<sub>80</sub> cage is shown to occur through bottom-up self-assembly reactions. Unlike conventional forms of fullerene, the iconic Buckminsterfullerene cage, I <sub  ...[more]

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