Chemical Reactions within Single-Walled Carbon Nanotube Channels

Modification of single-walled carbon nanotube (SWNT) channels by intercalation of semiconductor crystals leads to a change of the electronic structure of nanotubes, as was observed by Raman spectroscopy of CdI2@SWNT and CdS@SWNT composites (see the Supporting Information for details). The composites exhibit the upward shift of RBM and G vibrational frequencies as compared to raw SWNTs, which is attributed to depletion of electrons from the SWNT walls to the intercalated compound