Long-lived charged states in single-walled carbon nanotubes

Christoph Gadermaier; Enzo Menna; Moreno Meneghetti; W. Joshua Kennedy; Z. Valy Vardeny; Guglielmo Lanzani

doi:10.1117/12.662821

20 April 2006 Long lived charged states in single walled carbon nanotubes

Christoph Gadermaier, Enzo Menna, Moreno Meneghetti, W. Joshua Kennedy, Z. Valy Vardeny, Guglielmo Lanzani

Proceedings Volume 6192, Organic Optoelectronics and Photonics II; 619219 (2006) https://doi.org/10.1117/12.662821
Event: SPIE Photonics Europe, 2006, Strasbourg, France

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.

Citation Download Citation

Christoph Gadermaier, Enzo Menna, Moreno Meneghetti, W. Joshua Kennedy, Z. Valy Vardeny, and Guglielmo Lanzani "Long lived charged states in single walled carbon nanotubes", Proc. SPIE 6192, Organic Optoelectronics and Photonics II, 619219 (20 April 2006); https://doi.org/10.1117/12.662821

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