Researchers from Australia's Anstro institute and Deakin University developed an efficient method to prepare porous and reduced graphene oxide. They say that this one-step, catalyst-free, high penetration and through-put technique offers for the first time a significant advantage over previously reported graphene oxide (GO) solution reduction mechanisms.

The new technique, which uses gamma irradiation, maintains the naturally densely packed morphology of GO bucky-papers without causing the dramatic exfoliation of the graphene layers caused by chemically reduced routes.

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