The study of synthesis and functionalized single-walled carbon nanotubes with amide group

This study includes of syntheses and characteristics functionalized single-walled carbon nanotubes (SWCNTs) with amide group using thionyl chloride and NH3. First SWCNTs in H2SO4 and HNO3, solved and the solution obtained ultrasound was to reach the equilibrium temperature to functionalization of carboxylate single-walled carbon nanotubes (SWCNT-COOH). Then using thionyl chloride with (SOCl2) and DMF the mixture was refluxing. SWCNT-COCl was obtained from the previous step with ammonia (NH3), and DMF as solvent, and the mixture was refluxing. The black solid obtained was placed overnight in the oven to dry. Carbon nanotubes were expected at this stage to have a functional group CONH2. All new chemical bonding products were identified by FTIR and observations using scanning electron microscopy (SEM) were confirmed. SWCNT-COOH functionalized carbon nanotubes have a relatively smooth surface and thin Stowe and the SEM image of the SWCNT-NH2; a thin layer of hope is clearly placed on the surface of SWCNTCOOH and its diameter is increased.