Self-assembled graphene hydrogel via a one-step hydrothermal process.
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.
Xu
Yuxi
Y
Department of Chemistry, Tsinghua University, Beijing 100084, People's Republic of China.
Sheng
Kaixuan
K
Li
Chun
C
Shi
Gaoquan
G
D004355:Drug Stability; D004356:Drug Storage; D025802:Electric Capacitance; D004566:Electrodes; D006108:Graphite / Q000737:chemistry*; D020100:Hydrogels / Q000737:chemistry*; D055595:Mechanical Phenomena; D013696:Temperature; D014867:Water / Q000737:chemistry; D014961:X-Ray Diffraction
D020100:Hydrogels; D014867:Water; D006108:Graphite