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- W2800503532 abstract "Abstract New synthesis routes to tailor graphene properties by controlling the concentration and chemical configuration of dopants show great promise. Herein we report the direct reproducible synthesis of 2-3% nitrogen-doped ‘few-layer’ graphene from a solid state nitrogen carbide a-C:N source synthesized by femtosecond pulsed laser ablation. Analytical investigations, including synchrotron facilities, made it possible to identify the configuration and chemistry of the nitrogen-doped graphene films. Auger mapping successfully quantified the 2D distribution of the number of graphene layers over the surface, and hence offers a new original way to probe the architecture of graphene sheets. The films mainly consist in a Bernal ABA stacking three-layer architecture, with a layer number distribution ranging from 2 to 6. Nitrogen doping affects the charge carrier distribution but has no significant effects on the number of lattice defects or disorders, compared to undoped graphene synthetized in similar conditions. Pyridinic, quaternary and pyrrolic nitrogen are the dominant chemical configurations, pyridinic N being preponderant at the scale of the film architecture. This work opens highly promising perspectives for the development of self-organized nitrogen-doped graphene materials, as synthetized from solid carbon nitride, with various functionalities, and for the characterization of 2D materials using a significant new methodology." @default.
- W2800503532 created "2018-05-17" @default.
- W2800503532 creator A5021715102 @default.
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- W2800503532 date "2018-02-19" @default.
- W2800503532 modified "2023-10-06" @default.
- W2800503532 title "Nano-Architecture of nitrogen-doped graphene films synthesized from a solid CN source" @default.
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- W2800503532 doi "https://doi.org/10.1038/s41598-018-21639-9" @default.
- W2800503532 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/5818613" @default.
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- W2800503532 hasPublicationYear "2018" @default.
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