Hauge, R. H. (Rice, USA):Preparation, exchange reactions and spectroscopy of individual SWNTs in surfactant / water mixtures

• Sonication tears CNTs from the ropes

• Then they are surrounded by SDS surfactant shell

• Centrifugate 200 k g

• Up to 100 mg / liter concentration

• Sharply defined van Hove peaks in visible and near infrared.

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