I am interested in calculating graphene domain size values. I have reading that the D and G Raman band intensities ratio (ID/IG) can be used to calculate it.
What are the limitations of this calculation? What we have to consider on using it? Are there other kind of characterization techniques that provide similar approach?
Yes, Raman is quite easy and you can also find online tools for that. You can also try e.g. XRD line profile analysis: the peak width give you an order of magnitude estimate and a modern technique like the Whole Powder Pattern Modelling can in principle give you some information on the domain size distribution
http://electronsoftware.altervista.org/lab/domsize.html
You can see: DOI: 10.1039/C2RA21701E Ce–Ni mixed oxide as efficient catalyst for H2 production and nanofibrous carbon material from ethanol in the presence of water.
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