Comparative Studies of Electrochemical Behaviour of Carbon Nanotubes Obtained From Mustard Soot With Various Commercially Available Carbon Nanomaterials

? It has been found that multiwalled carbon nanotubes (CS-CNT) can be produced in mass level, simply by pyrolysing mustard oil which was then derivatized with carboxylic acid (CS-CNT (acid)) and ammonia (CS-CNT (base)). A low cost electrode was fabricated on Teflon substrate with three silver wires which was coated with different types of carbon nanotube. A comparative study of electrochemical behaviour of the low-cost CS-CNT electrode has been carried out with the market procured single walled carbon nanotubes (SWCNT), multiwalled carbon nanotubes (MWCNT), pyrolytic graphite (PG) as well as with the standard screen-printed carbon nanotube electrode (std-CNT), by cyclic voltammetry in 0.1mM aqueous solutions of potassium ferricyanide and ferric chloride in presence of 0.1M sulfuric acid and 0.1M hydrochloric acid, respectively. The comparative study demonstrate that CS-CNT, obtained from mustard soot on the teflon substrate can be used as a low cost electrode in the electrochemical sensors and devices.