Sulfidative Purification of Carbon Nanotubes Integrated in Transistors

2005-06-15T00:00:00Z (GMT) by Yo-Sep Min Eun Ju Bae Wanjun Park
We demonstrate a simple purification method of carbon nanotubes via sulfidation reaction of carbon, C + 2S → CS2, to selectively remove carbonaceous impurities from nanotubes. The sulfidative purification of carbon nanotubes integrated in field-effect transistors results in a dramatic improvement of switching characteristics due to removal of carbonaceous impurities.