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Facile route for synthesis of mesoporous graphite encapsulated iron carbide/iron nanosheet composites and their
Zhiqin Cao1, Mingli Qin2, Chengyang Zuo3
1School of Materials Science and Engineering, Pan Zhihua University, Pan Zhihua 617000, China; School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China.
Abstract:
Mesoporous graphite encapsulated Fe3C/Fe nanosheet composites have been synthesized by a facile template free method using ferric nitrate, glycine and glucose as raw materials. X-ray diffraction, transmission electron microscopy, high-resolution transmission electron microscopy and Raman spectrometer have been used to characterize the composites. The formation process and morphology of the products have been discussed in detail. Interestingly, this facile route can synthesize graphite encapsulated Fe3C, Fe3C/Fe and Fe composites with two dimensional nanosheet structure by tuning the reaction temperature and the Fe3C and Fe nanoparticles with size less than 30nm are well dispersed on the carbon sheet. The mesoporous graphite encapsulated Fe3C/Fe nanosheet composites with a high specific surface area have application in non-noble metal electrocatalysis for hydrogen evolution reaction.
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