The Synthesis of C70 Fullerene Nanowhiskers Using the Evaporating Drop Method

Semiconductor nanowhiskers, particularly nanostructured whiskers based on zero-dimensional (0D) C-70 fullerene, are being actively discussed due to the great potential of their application in modern electronics. For the first time, we proposed and implemented a method for the synthesis of nanostructured C-70 fullerene whiskers based on the self-organization of C-70 molecules during the thermal evaporation of C-70 droplets on the substrate surface. We found that the onset of the synthesis of C-70 nanowhiskers upon the evaporation of drops of a C-70 solution in toluene on the substrate surface depends on the substrate temperature. We have provided experimental evidence that an increase in both the C-70 concentration in the initial drop and the substrate temperature leads to an increase in the geometric dimensions of C(70 )nanowhiskers. The obtained results provide useful vision on the role of solute concentration and substrate temperature in the synthesis of one-dimensional materials.