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Multidimensional functional graphene based materials (MFGM) shown a unique from "0" to "3" dimensional structure conversion by using various processing technologies in terms of chemical etching for zero-dimensional quantum dots,temperature changing for low dimensional graphene based nano-rolls, attaching functional chemical groups for coating, liquid-phased processing for drawing fibers,layer-by-layer processing for making free-standing films, and introducing chemical bonding for forming 3-dimensional gel networks, etc.