Method and material for inexpensively separating carbon nanotubes, and separation vessel

摘要

An industrially highly useful CNT separation method is provided whereby metallic CNTs and semiconducting CNTs can be efficiently separated and purified in large quantities in a short time period from CNTs containing these carbon nanotubes, using inexpensive equipment and in simple steps, and whereby metallic CNTs and semiconducting CNTs can be separated at low cost. The CNT separation method includes adding a CNT dispersion to a powder-charged separation vessel to selectively adsorb the semiconducting CNTs to the powder, and eluting the semiconducting CNTs adsorbed to the powder after collecting the metallic CNTs.

主权项

1. A method for separating metallic carbon nanotubes and semiconducting carbon nanotubes,
the method comprising: adding a carbon nanotube dispersion containing the semiconducting carbon nanotubes and the metallic carbon nanotubes to a separation material formed of an agar powder or an agarose powder; causing a separation liquid to act on the separation material to elute the metallic carbon nanotubes unadsorbed to the separation material and separate the metallic carbon nanotubes from the semiconducting carbon nanotubes adsorbed to the separation material; and causing an eluant to act on the separation material to elute the semiconducting carbon nanotubes from the separation material.