Combined experimental and ab initio study of the electronic structure of narrow-diameter single-wall carbon nanotubes with predominant (6,4),(6,5) chirality

Autor(en)

Katrien De Blauwe, Duncan John Mowbray, Yasumitsu Miyata, Paola Ayala, Hidetsugu Shiozawa, Angel Rubio, Patrick Hoffmann, Hiromichi Kataura, Thomas Pichler

Abstrakt

Narrow diameter tubes and especially (6,5) tubes with a diameter of 0.75 nm are currently one of the most studied carbon nanotubes because their unique optical and especially luminescence response makes them exceptionally suited for biomedical applications. Here we report on a detailed analysis of the electronic structure of nanotubes with (6,5) and (6,4) chiralities using a combined experimental and theoretical approach. From high-energy spectroscopy involving x-ray absorption and photoemission spectroscopy the detailed valence- and conduction-band response of these narrow diameter tubes is studied. The observed electronic structure is in sound agreement with state of the art ab initio calculations using density-functional theory.

Organisation(en)

Elektronische Materialeigenschaften

Externe Organisation(en)

University of the Basque Country, Nagoya University, University of Surrey, Helmholtz-Zentrum Berlin für Materialien und Energie, National Institute of Advanced Industrial Science and Technology (AIST)

Journal

Physical Review B

Band

82

Anzahl der Seiten

6

ISSN

1098-0121

DOI

https://doi.org/10.1103/PhysRevB.82.125444

Publikationsdatum

2010

Peer-reviewed

Ja

ÖFOS 2012

103018 Materialphysik

Link zum Portal

https://ucrisportal.univie.ac.at/de/publications/f2fff5fc-9452-4667-9c27-6726e6bbc2ac