The electronic fine structure of 4-nitrophenyl functionalized single-walled carbon nanotubes

Chakraborty, Amit K.; Coleman, Karl S.; Dhanak, Vinod R.

Abstract

Controlling the electronic structure of carbon nanotubes (CNTs) is of great importance to various CNT based applications. Herein the electronic fine structure of single-walled carbon nanotube films modified with 4-nitrophenyl groups, produced following reaction with 4-nitrobenzenediazonium tetrafluoroborate, was investigated for the first time. Various techniques such as x-ray and ultra-violet photoelectron spectroscopy, and near edge x-ray absorption fine structure studies were used to explore the electronic structure, and the results were compared with the measured electrical resistances. A reduction in number of the p electronic states in the valence band consistent with the increased resistance of the functionalized nanotube films was observed.

Citation

Chakraborty, A. K., Coleman, K. S., & Dhanak, V. R. (2009). The electronic fine structure of 4-nitrophenyl functionalized single-walled carbon nanotubes. Nanotechnology, 20(15), Article 155704. https://doi.org/10.1088/0957-4484/20/15/155704

• Journal Article Type: Article
• Publication Date: 2009
• Deposit Date: May 21, 2014
• Journal: Nanotechnology
• Print ISSN: 0957-4484
• Electronic ISSN: 1361-6528
• Publisher: IOP Publishing
• Peer Reviewed: Peer Reviewed
• Volume: 20
• Issue: 15
• Article Number: 155704
• DOI: https://doi.org/10.1088/0957-4484/20/15/155704
• Keywords: shell excitation spectroscopy diazonium salts photoelectron-spectroscopy sidewall functionalization absorption graphite nexafs composites chemistry