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Microwave synthesis of large few-layer graphene sheets in aqueous solution of ammonia 总被引:1,自引:0,他引:1
Izabela Janowska Kambiz Chizari Ovidiu Ersen Spyridon Zafeiratos Driss Soubane Victor Da Costa Virginie Speisser Christine Boeglin Matthieu Houllé Dominique Bégin Dominique Plee Marc-Jacques Ledoux Cuong Pham-Huu 《Nano Research》2010,3(2):126-137
Few-layer graphene (FLG) sheets with sizes exceeding several micrometers have been synthesized by exfoliation of expanded graphite in aqueous solution of ammonia under microwave irradiation, with an overall yield approaching 8 wt.%. Transmission electron microscopy (in bright-field and dark-field modes) together with electron diffraction patterns and atomic force microscopy confirmed that this graphene material consisted mostly of mono-, bi- or few-layer graphene (less than ten layers). The high degree of surface reduction was confirmed by X-ray photoelectron and infrared spectroscopies. In addition, the high stability of the FLG in the liquid medium facilitates the deposition of the graphene material onto several substrates via low-cost solution-phase processing techniques, opening the way to subsequent applications of the material. 相似文献
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Benaadad Merieme Nafidi Abdelhakim Melkoud Samir Khan Muhammad Salman Soubane Driss 《Journal of Materials Science》2021,56(28):15882-15897
Journal of Materials Science - The structural, electronic, optical and thermoelectric properties of copper-based ternary chalcogenides ACuSe2 (A?=?Sc, Y and La) were investigated within... 相似文献
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