Facile route for synthesis of mesoporous graphite encapsulated iron carbide/iron nanosheet composites and their electrocatalytic activity

被引：21
作者：
Cao, Zhiqin [1 ,2 ]
Qin, Mingli [2 ]
Zuo, Chengyang [1 ]
Gu, Yueru [2 ]
Jia, Baorui [2 ]
机构：
[1] Pan Zhihua Univ, Sch Mat Sci & Engn, Pan Zhihua 617000, Peoples R China
[2] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2017年 / 491卷
关键词：
Graphite; Fe3C; Composites; Mesoporous; Electrocatalysis; LITHIUM-ION BATTERIES; OXYGEN REDUCTION; COMBUSTION SYNTHESIS; CARBON; NANOPARTICLES; PERFORMANCE; SPHERES; OXIDE; NANOSTRUCTURES; CHLORINATION;
D O I：
10.1016/j.jcis.2016.11.086
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
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 30 nm 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. (C) 2016 Elsevier Inc. All rights reserved.
引用
收藏
页码：55 / 63
页数：9
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