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ACS Nano. 2010 Jul 27;4(7):4324-30. doi: 10.1021/nn101187z.

Self-assembled graphene hydrogel via a one-step hydrothermal process.

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Department of Chemistry, Tsinghua University, Beijing 100084, People's Republic of China.


Self-assembly of two-dimensional graphene sheets is an important strategy for producing macroscopic graphene architectures for practical applications, such as thin films and layered paperlike materials. However, construction of graphene self-assembled macrostructures with three-dimensional networks has never been realized. In this paper, we prepared a self-assembled graphene hydrogel (SGH) via a convenient one-step hydrothermal method. The SGH is electrically conductive, mechanically strong, and thermally stable and exhibits a high specific capacitance. The high-performance SGH with inherent biocompatibility of carbon materials is attractive in the fields of biotechnology and electrochemistry, such as drug-delivery, tissue scaffolds, bionic nanocomposites, and supercapacitors.

[Indexed for MEDLINE]

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