Synthesis of carbon spheres via a low-temperature metathesis reaction

被引：18

作者：

Pang, Lin-Lin ^{[1
,2
]}

Bi, Jian-Qiang ^{[1
]}

Bai, Yu-Jun ^{[1
,2
]}

Zhu, Hui-Ling ^{[1
,2
]}

Qi, Yong-Xin ^{[2
]}

Wang, Cheng-Guo ^{[2
]}

Han, Fu-Dong ^{[2
]}

Li, Shao-Jie ^{[2
]}

机构：

[1] Shandong Univ, Key Lab Liquid Struct & Hered Mat, Minist Educ, Jinan 250061, Peoples R China

[2] Shandong Univ, Carbon Fiber Engn Res Ctr Shandong Prov, Jinan 250061, Peoples R China

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2008年 / 112卷 / 32期

关键词：

D O I：

10.1021/jp801935m

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：

Carbon spheres were rapidly synthesized at low temperature (300 degrees C) via the chemical metathesis reaction between CaC2, C2Cl4, and CCl4. X-ray diffraction and Raman results confirm the formation of hexagonal graphite with relatively low graphitization. Large quantities of carbon spheres can be observed by transmission electron microscopy in the products obtained within the reaction temperature range of 300-480 degrees C. The spheres with a surface area of 195.28 m(2)/g have a hydrogen storage capacity of 3.8 wt % at room temperature under a pressure about 10 MPa. The synergic carbon sources are likely responsible for the formation of the carbon spheres.

引用

页码：12134 / 12137

页数：4

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