Porous Carbon Macroassembly with High Surface Area: Starting from Graphene Oxide Nanosheets to Three- Dimcnsional Macroforms

摘要

As a single-atom thick, real two-dimensional material, graphene nanosheet (GNS) has attracted great attention for its extraordinary electrical, mechanical, thermal properties and promising application in various fields [1-5]. Graphene oxide (GO) contains rich oxygen functional groups with epoxies and hydroxyl groups on their basal planes and carbonyl and carboxyl groups at the nanosheet edges [6], which render graphite oxide excellent dispersity in water, making GO a very ideal building block to construct graphene-based nanostructures.