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Raman application note: Carbon nanotubes


Carbon nanotubes (CNTs)


Model: Raman 532
Laser wavelength: 532 nm
TE cooled CCD: 1204X128 pixels
Sample I: microwave treatment with Ar
Sample II: microwave treatment with Ar and CO



Analysis:

  1. D-band is often used to assess the quality of carbon nanotubes.
  2. Dispersive D-band involves structural defects or disorder.
  3. The D/G of sample I is larger than that of sample II indicated that the defect density is suppressed in the carbon nanotubes treated by microwave in CO atmosphere.
Reference: Materials Chemistry and Physics 135 (2012) 438-444

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