Synthesis of Single-Walled Carbon Nanotubes: Effects of Active Metals, Catalyst Supports, and Metal Loading Percentage

被引：19

作者：

Liu, Wei-Wen ^{[1
,2
]}

Aziz, Azizan ^{[2
]}

Chai, Siang-Piao ^{[3
]}

Mohamed, Abdul Rahman ^{[4
]}

Hashim, U. ^{[1
]}

机构：

[1] Univ Malaysia Perlis, INEE, Kangar 01000, Perlis, Malaysia

[2] Univ Sains Malaysia, Sch Mat & Mineral Resources Engn, Nibong Tebal 14300, Pulau Pinang, Malaysia

[3] Monash Univ, Sch Engn, Bandar Sunway 46150, Selangor, Malaysia

[4] Univ Sains Malaysia, Sch Chem Engn, Nibong Tebal 14300, Pulau Pinang, Malaysia

来源：

JOURNAL OF NANOMATERIALS | 2013年 / 2013卷

关键词：

CHEMICAL-VAPOR-DEPOSITION; CVD SYNTHESIS; FE/MGO-CATALYST; GROWTH; NANOPARTICLES; QUALITY; PARTICLES; MECHANISM; ALUMINA; METHANE;

D O I：

10.1155/2013/592464

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The effects of active metals, catalyst supports, and metal loading percentage on the formation of single-walled carbon nanotubes (SWNTs) were studied. In particular, iron, cobalt, and nickel were investigated for SWNTs synthesis. Iron was found to grow better-quality SWNTs compared to cobalt and nickel. To study the effect of catalyst supports, magnesium oxide, silicon oxide, and aluminium oxide were chosen for iron. Among the studied supports, MgO was identified to be a suitable support for iron as it produced SWNTs with better graphitisation determined by Raman analysis. Increasing the iron loading decreased the quality of SWNTs due to extensive agglomeration of the iron particles. Thus, lower metal loading percentage is preferred to grow better-quality SWNTs with uniform diameters.

引用

页数：8

共 51 条

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