This carbon nanotube flakes are millimetre-scale multi-walled carbon nanotube bundles. Crystal quality of CNT is examined by Raman scattering measurement. Intensity ratio of G-peak (1580 cm-1) and D-peak (1350 cm-1) represents quality of graphitization of carbon materials. G/D of the CNT is ∼3, showing high crystal quality.
how is this material sold? Is it on a sheet of specific size -square or rectangle - or is it in liquid form and applied to a surface with a brush or putty knife?
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This product may be in the form of a powder, crystals, flakes, fibers, or chunk(s). The specific form is reported in the Certificate of Analysis. Please navigate to the ‘DOCUMENTATION’ section of the Product Detail Page to access a sample or lot-specific Certificate: https://www.sigmaaldrich.com/product/aldrich/901002#product-documentation
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