Mapping purity of single-walled carbon nanotubes in bulk samples with multiplex coherent anti-stokes Raman microscopy

Abstract

Impurity mapping in a distribution of single-walled carbon nanotube (SWNT) bundles was performed via multiplex coherent anti-Stokes Raman spectroscopy (MCARS). The Dover G-bands in the SWNT's vibrational spectrum are acquired simultaneously and used to quantify the local purity in a spin-coated sample. This technique is faster than conventional Raman… (More)

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