A review: controlled synthesis of vertically aligned carbon nanotubes

서지정보

ㆍ발행기관 : 한국탄소학회 ㆍ수록지정보 : Carbon Letters / 12권 / 4호
ㆍ저자명 : MyungGwanHahm, DanielP.Hashim, RobertVajtai, PulickelM.Ajayan

목차

1. Introduction
2. CVD for Growth of Vertically Aligned SWCNTs
3. Summary
Acknowledgements
References

한국어 초록

Carbon nanotubes (CNTs) have developed into one of the most competitively researched
nano-materials of this decade because of their structural uniqueness and excellent physical
properties such as nanoscale one dimensionality, high aspect ratio, high mechanical strength,
thermal conductivity and excellent electrical conductivity. Mass production and structure
control of CNTs are key factors for a feasible CNT industry. Water and ethanol vapor enhance
the catalytic activity for massive growth of vertically aligned CNTs. A shower system
for gas flow improves the growth of vertically aligned single walled CNTs (SWCNTs) by
controlling the gas flow direction. Delivery of gases from the top of the nanotubes enables
direct and precise supply of carbon source and water vapor to the catalysts. High quality
vertically aligned SWCNTs synthesized using plasma enhance the chemical vapor deposition
technique on substrate with suitable metal catalyst particles. This review provides an introduction
to the concept of the growth of vertically aligned SWCNTs and covers advanced
topics on the controlled synthesis of vertically aligned SWCNTs

영어 초록

Carbon nanotubes (CNTs) have developed into one of the most competitively researchednano-materials of this decade because of their structural uniqueness and excellent physicalproperties such as nanoscale one dimensionality, high aspect ratio, high mechanical strength,thermal conductivity and excellent electrical conductivity. Mass production and structurecontrol of CNTs are key factors for a feasible CNT industry. Water and ethanol vapor enhancethe catalytic activity for massive growth of vertically aligned CNTs. A shower systemfor gas flow improves the growth of vertically aligned single walled CNTs (SWCNTs) bycontrolling the gas flow direction. Delivery of gases from the top of the nanotubes enablesdirect and precise supply of carbon source and water vapor to the catalysts. High qualityvertically aligned SWCNTs synthesized using plasma enhance the chemical vapor depositiontechnique on substrate with suitable metal catalyst particles. This review provides an introductionto the concept of the growth of vertically aligned SWCNTs and covers advancedtopics on the controlled synthesis of vertically aligned SWCNTs

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