School 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.
School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China.
J Colloid Interface Sci. 2017 Apr 1;491:55-63. doi: 10.1016/j.jcis.2016.11.086. Epub 2016 Dec 1.
Mesoporous graphite encapsulated FeC/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 FeC, FeC/Fe and Fe composites with two dimensional nanosheet structure by tuning the reaction temperature and the FeC and Fe nanoparticles with size less than 30nm are well dispersed on the carbon sheet. The mesoporous graphite encapsulated FeC/Fe nanosheet composites with a high specific surface area have application in non-noble metal electrocatalysis for hydrogen evolution reaction.
介孔石墨封装的 FeC/Fe 纳米片复合材料已通过一种简便的无模板方法合成，使用硝酸铁、甘氨酸和葡萄糖作为原料。采用 X 射线衍射、透射电子显微镜、高分辨率透射电子显微镜和拉曼光谱仪对复合材料进行了表征。详细讨论了产物的形成过程和形态。有趣的是，通过调节反应温度，可以用这种简便的方法合成具有二维纳米片结构的石墨封装 FeC、FeC/Fe 和 Fe 复合材料，并且尺寸小于 30nm 的 FeC 和 Fe 纳米颗粒很好地分散在碳片上。具有高比表面积的介孔石墨封装 FeC/Fe 纳米片复合材料在非贵金属析氢反应电催化中有应用。
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