▎ 摘　　要

NOVELTY - Device comprises three-dimensionally patterned graphene or graphitic body, where the body is conformed as a porous interconnected network having an average pore size in the range 50-1000 nanometer. The body is conformed as a network of bulbous nodes interconnected by arms. USE - Device for electronic and thermal transport. ADVANTAGE - The device contains three-dimensionally patterned graphene or graphitic body that is effective for applying potential practical of special electronic and thermal transport properties. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing patterned graphene or graphitic body, which involves patterning a photoresist by interference lithography.