Bottom-up synthesis of fully sp² hybridized three-dimensional microporous graphitic frameworks as metal-free catalysts
2017
Talapaneni, Siddulu Naidu | Kim, Chae-hun | Je, Sang Hyun | Buyukcakir, Onur | Oh, Jihun | Coşkun, Ali
We report on the bottom-up synthesis of a fully sp²-hybridized nitrogenated three-dimensional microporous graphitic framework (3D-MGF) starting from a highly preorganized, saddle-shaped tetraphenylene derivative under ionothermal reaction conditions. The 3D-MGF showed high stability and a surface area of 928 m² g⁻¹ along with a narrow pore size distribution. Our approach enabled template-free inclusion of the third dimension into the graphitic frameworks while retaining π-conjugation and conductivity, which was verified by their activity as metal-free electrocatalysts for the hydrogen evolution reaction.
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