期刊
ACS NANO
卷 7, 期 8, 页码 7034-7040出版社
AMER CHEMICAL SOC
DOI: 10.1021/nn402272u
关键词
graphene oxide; 3D solids; CO2 adsorption; chemical cross-linking; reduced graphene oxide
类别
资金
- U.S. Department of Defense: U.S. Air Force Office of Scientific Research [FA9550-12-1-0035]
The creation of three-dimensionally engineered nanoporous architectures via covalently interconnected nanoscale building blocks remains one of the fundamental challenges in nanotechnology. Here we report the synthesis of ordered, stacked macroscopic three-dimensional (3D) solid scaffolds of graphene oxide (GO) fabricated via chemical cross linking of two-dimensional, GO building blocks. The resulting 3D GO network solids form highly porous interconnected structures, and the controlled reduction of these structures leads to formation of 3D conductive graphene scaffolds. These 3D architectures show promise for potential applications such as gas storage; CO2 gas adsorption measurements carried out under ambient conditions show high sorption capacity, demonstrating the possibility of creating new functional carbon solids starting with two-dimensional carbon layers.
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