Triplet excitations in carbon nanostructures

We show that the energy differences between the lowest optical singlet exciton and the lowest triplet exciton in semiconducting single-walled carbon nanotubes with diameter ~1 nm and graphene nanoribbons with widths ~2 nm are an order of magnitude smaller than in the [pi]-conjugated polymer poly(par...

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Veröffentlicht in:	Physical review. B, Condensed matter and materials physics Condensed matter and materials physics, 2012-02, Vol.85 (8), Article 085438
Hauptverfasser:	Aryanpour, K., Mazumdar, S., Zhao, H.
Format:	Artikel
Sprache:	eng
Schlagworte:	Carbon Condensed matter Energy gap Excitation Graphene Mathematical analysis Nanostructure Nanotubes
Online-Zugang:	Volltext
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