Hello,

I am trying to measure the optical properties (refractive index and extinction coefficient) of graphene oxide (GO). I have read some papers where people have used different methods (ellipsometry, phase contrast to name a few) to find the optical properties of GO. But what is the main motivation behind measuring the optical properties of GO? I know optical properties are central to the performance of GO, but still its not so clear to me. 

I would really appreciate if anyone shares his/her idea/opinion in this regard.

Thanks

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