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The graphene sheet is planar. Graphene has a two-dimensional lattice structure that is different from the 14 Bravais lattice structures instructed in the Materials Science courses. It has a honey-comb structure of benzene rings allowing for delocalization of electrons and unhindered electron transport. Graphene possesses 200 times greater electron mobility compared with Silicon. In order to maintain the octet configuration, at a given juncture in time, some rows of benzene rings have three alternate single and double bonds, some rows have two double bonds and the rest single bonds in an alternating manner.
Citation: Sharma KR (2014) Graphene in Solar Cells. J Laser Opt Photonics 1:e101.
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