2012•Proceedings of the Samahang Pisika ng PilipinasRequires access

Raman spectroscopy of exfoliated graphene sheets and chemically-modified graphene samples

Christine Joy Querebillo, Erwin P. Enriquez, Armando Somintac, Arnel Salvador

Abstract

We present Raman spectroscopy of exfoliated graphene layers and chemically- modified exfoliated graphene samples. We show that the home-built Raman spectroscope can be used to differentiate graphene films from graphite and chemically-modified graphene films from unmodified ones. Structural differences of chemically-modified graphene samples can be inferred from the differences in the spectra and can be related to the modification the samples have undergone.

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Key concepts: Graphene, Raman spectroscopy, Materials science, Graphite, Graphene oxide paper, Graphene foam, Nanotechnology, Graphene nanoribbons