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Metrological Investigation of the (6,5) Carbon Nanotube Absorption Cross Section.

Publication Type:

Journal Article

Source:

J Phys Chem Lett, Volume 4, Issue 9, p.1460-4 (2013)

Abstract:

<p>Using single-nanotube absorption microscopy, we measured the absorption cross section of (6,5) carbon nanotubes at their second-order optical transition. We obtained a value of 3.2 × 10(-17) cm(2)/C atom with a precision of 15% and an accuracy below 20%. This constitutes the first metrological investigation of the absorption cross section of chirality-identified nanotubes. Correlative absorption-luminescence microscopies performed on long nanotubes reveal a direct manifestation of exciton diffusion in the nanotube.</p>

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