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Layered metal-functionalized covalent organic frameworks as precursors of supercapacitive porous N-doped graphene
Scheme of the work showing the COF-1 structure, the metal coordination COF-1-M and the calcination process to produce N-doped graphenes. This strategy avoids the need of the use of any additional template, allowing the formation of corrugated graphene in a one-pot reaction from the COF-1–M precursors. J. Romero. et al., J. Mater. Chem. A, 5, 4343, (2017) |
A crystalline and porous layered covalent organic framework (COF) based on polyimine has shown the ability to link FeIII, CoII and NiII into its cavities. The structure and morphology of these functionalized COFs enable to generate N-doped porous graphene upon controlled calcination. The so formed highly corrugated and N-doped porous graphene sheets exhibit high values of specific capacitance that make them useful as electrode material for supercapacitors.
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Metal-functionalized covalent organic frameworks as precursors of supercapacitive porous N-doped graphene ; |
