US Patent 7879166 - SWCNTs with hydrazoic acid

http://www.freepatentsonline.com/7879166.html

This patent from the U.S. Naval Research Labs teaches a way to modify single wall carbon nanotubes used in the preparation of explosives in which the nanotubes protect from accidental initiation. Claim 1 reads:

1. An activated single walled carbon nanotube (SWNT) having a tubular single wall and a plurality of transition metal azides inside the tubular single wall.