Research Article

Structure and Morphology Characteristics of Fullerene C60 Nanotubes Fabricated with N-Methyl-2-pyrrolidone as a Good Solvent

Figure 4

UV-vis spectra of C60-NMP solution. (a) Freshly prepared purple-pinkish solution and (b) burgundy solution irradiated by blue light (468 nm) for 30 min.
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