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Proceedings Paper

Long-lived charged states in single-walled carbon nanotubes
Author(s): Christoph Gadermaier; Enzo Menna; Moreno Meneghetti; W. Joshua Kennedy; Z. Valy Vardeny; Guglielmo Lanzani
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Paper Abstract

Single-walled carbon nanotubes dispersed in a polymer matrix are studied via cw photomodulation spectroscopy. The spectrum is dominated by a modulation of the absorption lineshape, which we assigned to electro-absorption caused by local electric fields arising from trapped photoinduced charges. The lack of selectivity in the excitation and the dominance of the contribution by low energies point to an efficient migration of the photoexcited states, either the singlet excitons or the charges resulting from their dissociation.

Paper Details

Date Published: 20 April 2006
PDF: 8 pages
Proc. SPIE 6192, Organic Optoelectronics and Photonics II, 619219 (20 April 2006); doi: 10.1117/12.662821
Show Author Affiliations
Christoph Gadermaier, ULTRAS, INFM, Politecnico di Milano (Italy)
Enzo Menna, Univ. of Padova (Italy)
Moreno Meneghetti, Univ. of Padova (Italy)
W. Joshua Kennedy, Univ. of Utah (United States)
Z. Valy Vardeny, Univ. of Utah (United States)
Guglielmo Lanzani, ULTRAS, INFM, Politecnico di Milano (Italy)


Published in SPIE Proceedings Vol. 6192:
Organic Optoelectronics and Photonics II
Paul L. Heremans; Michele Muccini; Eric A. Meulenkamp, Editor(s)

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