Journal
NATURE COMMUNICATIONS
Volume 7, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/ncomms13461
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Funding
- ERC Grant 2DMATER
- ESF Young Researcher Group 'GRAPHD'
- EC under the Graphene Flagship [CNECT-ICT-604391]
- European Research Council under the European Union's Seventh Framework Program (FP/ERC) [METAMECH-306686]
- Marie-Curie Fellowship [CONJUGATION-706082]
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One of the key challenges in two-dimensional (2D) materials is to go beyond graphene, a prototype 2D polymer (2DP), and to synthesize its organic analogues with structural control at the atomic- or molecular-level. Here we show the successful preparation of porphyrin-containing monolayer and multilayer 2DPs through Schiff-base polycondensation reaction at an air-water and liquid-liquid interface, respectively. Both the monolayer and multilayer 2DPs have crystalline structures as indicated by selected area electron diffraction. The monolayer 2DP has a thickness of similar to 0.7 nm with a lateral size of 4-inch wafer, and it has a Young's modulus of 267 +/- 30 GPa. Notably, the monolayer 2DP functions as an active semiconducting layer in a thin film transistor, while the multilayer 2DP from cobalt-porphyrin monomer efficiently catalyses hydrogen generation from water. This work presents an advance in the synthesis of novel 2D materials for electronics and energy-related applications.
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