Even though both have sp2 Carbon atoms, the bond length/strength are different, giving rise to different FTIR values. The attachment may be of your help.
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You can measure optical absorption in the NIR\VIS region. In graphene it should be approx. 2.4% due to fundamental properties (see ref. Nair R. R. et al, Siene 320 1308 (2008))
Yes you can.....Graphene as well as Graphene Oxide gives very specific pattern of FTIR which is well established for characterizing Graphene materials
For better insight check the following link of our work. It contents the FTIR spectrum of GO and you can find references related to Graphene IR.
http://pubs.rsc.org/en/content/articlelanding/2013/nr/c3nr06081k#!divAbstract
Thanks for information.
By ftir pattern can we confirm the formation of graphite of grephene? And about ftir of activated carbon.
Do you mean formation of graphite from graphene? Yes, you can. The change from the initial intensity of graphite to final, and initial of graphine from final will give you the information about formation of graphite from graphene. It would not be a qunatitative but a qualitative data.
it sure, you can use FTIR for Graphite, but the Raman can be used for graphene
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