Abstract
The electrochemical behavior of a C 60/MWCNT (multi-walled carbon nanotube) film cast on GC electrode in acetonitrile solution was investigated. Repeated cyclic voltammetric scans transformed the precursor to a C 60–MWCNT composite film which exhibited reversible electron-transfer reactions and superpose the redox feature of the bare MWCNTs with monotonic charge injection over the whole potential range. This is in contrast to both C 60 film and peapods of C 60 inside carbon nanotubes but resembles the behavior of C 60 dissolved in organic solutions. The formation and structure of the C 60–MWCNT composite films were studied by UV–Vis, FT-IR, and TEM.
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