Enhancement of semiconducting single-wall carbon-nanotube photoluminescence
Optics Letters, Vol. 34, Issue 24, pp. 3845-3847 (2009)
http://dx.doi.org/10.1364/OL.34.003845
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Abstract
Photoluminescence properties of semiconducting single-wall carbon-nanotube (s-SWNT) thin films with different metallic single-wall carbon-nanotube (m-SWNT) concentrations are reported. s-SWNT purified samples are obtained by polymer-assisted selective extraction. We show that the presence of a few m-SWNTs in the sample generates a drastic quenching of the emission. Therefore, the highly purified s-SWNT film is a strongly luminescent material and a good candidate for future applications in photonics, such as near-IR emitters, modulators, and detectors.
© 2009 Optical Society of America
OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(160.4760) Materials : Optical properties
(260.2510) Physical optics : Fluorescence
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence
(160.4236) Materials : Nanomaterials
ToC Category:
Materials
History
Original Manuscript: September 14, 2009
Manuscript Accepted: November 1, 2009
Published: December 9, 2009
Citation
E. Gaufrès, N. Izard, L. Vivien, S. Kazaoui, D. Marris-Morini, and E. Cassan, "Enhancement of semiconducting single-wall carbon-nanotube photoluminescence," Opt. Lett. 34, 3845-3847 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-24-3845
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