SYNTHESIS OF SINGLE-WALLED CARBON NANOTUBES FROM LIQUEFIED PETROLEUM GAS

被引：10

作者：

Zhang, Qiang ^{[1
]}

Liu, Yi ^{[1
]}

Huang, Jiaqi ^{[1
]}

Qian, Weizhong ^{[1
]}

Wang, Yao ^{[1
]}

Wei, Fei ^{[1
]}

机构：

[1] Tsinghua Univ, Dept Chem Engn, Beijing Key Lab Green React Engn & Technol, Beijing 100084, Peoples R China

来源：

NANO | 2008年 / 3卷 / 02期

关键词：

Single-walled carbon nanotubes; liquefied petroleum gas; fuel; production;

D O I：

10.1142/S179329200800085X

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Hydrocarbons such as methane, ethylene, and CO with high purity (> 99.9%) have been widely used to synthesize single-walled carbon nanotubes (SWCNTs). Here, liquefied petroleum gas (LPG) was used to synthesize SWCNTs by catalytic chemical vapor deposition. The LPG converted into CNTs and other stable hydrocarbons. The BET specific surface area of SWCNT was about 583 m(2)/g. The as-grown SWCNT showed good graphitization. The graphitization can be further modulated by the growth temperature. Certain amount of sulfur in LPG was a promoter for SWCNT growth. Compared SWCNTs obtained from methane, more semiconductive SWCNTs were synthesized from LPG as carbon source. The LPG is in low price, thus, a methodology to lower the production cost of SWCNTs with hydrocarbon mixtures is realized.

引用

页码：95 / 100

页数：6

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