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Research Article

Polarized Light Microscopy and Spectroscopy of Individual Single-Walled Carbon Nanotubes

Institute for Microstructural Sciences National Research CouncilOttawa K1A 0R6 Canada
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Abstract

Polarized light microscopy (PLM) is used to image individual single-walled carbon nanotubes (SWNTs) suspended in air across a slit opening. The imaging contrast relies on the strong optical anisotropy typical of SWNTs. We combine PLM with a tunable light source to enable hyperspectral excitation spectroscopy and nanotube chirality assignment. Comparison with fluorescence microscopy and spectroscopy confirms the assignment made with PLM. This represents a versatile new approach to imaging SWNTs and related structures.

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Carbon nanotubemicroscopyluminescenceabsorptionpolarizationhomodyne

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Nano Research
Volume 4 Issue 8,
August 2011
Pages 788-794
DOI: 10.1007/s12274-011-0135-8

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Lefebvre J, Finnie P. Polarized Light Microscopy and Spectroscopy of Individual Single-Walled Carbon Nanotubes. Nano Research, 2011, 4(8): 788-794. https://doi.org/10.1007/s12274-011-0135-8

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Received: 23 February 2011
Revised: 05 April 2011
Accepted: 06 April 2011
Published: 04 May 2011
© Tsinghua University Press and Springer-Verlag Berlin Heidelberg 2011