Large-scale synthesis of hollow highly-graphitic carbon nanospheres by the reaction of AlCl3•6H2O with CaC2

被引：22
|
作者：
Zhu, Hui-Ling [1 ]
Bai, Yu-Jun [1 ,2 ]
Qi, Yong-Xin [1 ]
Lun, Ning [1 ]
Zhu, Yong [1 ]
机构：
[1] Shandong Univ, Minist Educ, Key Lab Liquid Solid Struct Evolut & Proc Mat, Jinan 250061, Peoples R China
[2] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China
来源：
CARBON | 2012年 / 50卷 / 05期
基金：
中国国家自然科学基金;
关键词：
CATALYTIC GRAPHITIZATION; LOW-TEMPERATURE; NANOPARTICLES; NANOSTRUCTURES; HYDROCARBONS; SPHERES; ONIONS; ANODE;
D O I：
10.1016/j.carbon.2011.12.037
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：
Hollow carbon nanospheres (HCNSs) were prepared on large scale by the reaction of AlCl3 center dot 6H(2)O and CaC2 in the temperature range of 250-500 degrees C. Characterization of the products by X-ray diffraction, Raman spectroscopy and transmission electron microscopy indicates that they have a uniform size of about 30 nm and a high degree of graphitization. Based on a series of comparative experiments and the systematic characterization of the products, both the water of crystallization and AlCl3 in AlCl3 center dot 6H(2)O play crucial roles in preparing the HCNSs. It was found that AlCl3 exhibits a strong graphitization behavior on solid carbon nanospheres even at low temperatures, and the graphitization contributes to their evolution to HCNSs. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1871 / 1878
页数：8
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