Looking for a direct quantification method that evaluates the difference primarily reflected due to the carbon coordination. If any relevant literature is available please share. Thanks in advance.
Dear Kaliaperumal,
You can do Raman, I have attached a reference paper, which will give the answer for you query...
Dear Sridhar
Yes, I knew the Id/Ig from IR gives some idea and I do use this method. As you know, this ratio gives an overall picture due to several reasons including substitutions by any hetero species on the basal plane. However, our interest is to see change in C atom coordination due to difference in its own bonding (with in C atoms). For instance switching from six membered carbon ring to 5 membered carbon ring when the graphene is bending (losing its basal planarity). I understand that my question should have been more specific. I am sorry and I hope it is more clear now. Thanks.
If you have a possibility to use Scanning Tunneling Microscopy analysis, probably, you can obtain information regarding the quantification of relative exisitance.
Apart from directly visualizing the structure using STM, XPS can be a powerful tool as an alternative. Depending upon vacancies and non-conjugated carbon, the line shape of C1s spectrum broadens. A careful analysis will help to quantify these defects.
Kindly go thru the following articles...
1. Electronic and mechanical degradation of oxidized CNTs doi:10.1016/j.carbon.2011.12.009
2. Initial Stages of Oxidation on Graphitic Surfaces: Photoemission Study and Density Functional Theory Calculations; DOI: 10.1021/jp902051d
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