Journal
CHEMICAL SOCIETY REVIEWS
Volume 40, Issue 3, Pages 1324-1336Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b920457c
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Funding
- National Natural Science Foundation of China [60736004, 20721061, 20951002, 60911130231]
- Major State Basic Research Development Program [2006CB806200, 2011932303, 2009CB623603]
- Chinese Academy of Sciences
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Single-walled carbon nanotubes (SWNTs) possess unique electronic properties that make them very promising materials for use in both nano-electronics and thin film devices. However, SWNTs are always produced as a mixture of metallic and semiconducting nanotubes, which is a major roadblock to their widespread application. This tutorial review provides a brief summary of ways of separating single-walled carbon nanotubes into metallic and semiconducting fractions. Various methods including selective growth, selective removal, selective adsorption and band structure modulation-all of which aim to produce pure SWNTs with well-defined electronic properties-are systematically discussed. The main problems in this field, the outlook for separation techniques and some views of future developments are presented.
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