What information gives G'/G ratio in CNT Raman spectrum?

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Sridhar Vadahanambi

Depends on type of CNT.. if it is SWCNT and 'isolated' .. then location of G' and G bands can be a measure of diameter..

Sanjeev Bhardwaj

check the following link, might help in answering your query

M. L. Gonzalez-Juarez

@Sanjeev, which link?

By the way, I'm analyzyng MWCNT

If its MWCNT, then analyzing G'/G ratio may not be a good idea.. since there are far too many variables like number of walls, chirality, nature and extent of defects etc...