How can I estimate quantitatively the doping level of graphene by Raman method?

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What exactly happens if one dissolves the 4-nitrobenzindiazonium BF4 in water?

Many thanks

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Matheus Josué de Souza Matos

See http://pubs.acs.org/doi/abs/10.1021/nn102211n

Rinat Ismagilov

Hi! Look http://arxiv.org/abs/0709.1174

and http://dx.doi.org/10.1038/nmat1846 =) (It seems that it is for gated graphene)

Karthikeyan Krishnamoorthy

check this article

http://www.sciencedirect.com/science/article/pii/S0008622312008263