Manchado, A.; Iglesias-Groth, S.; Cataldo, Franco
Referencia bibliográfica
FULLERENES NANOTUBES AND CARBON NANOSTRUCTURES, Volume 21, 537, 12 pp.
Fecha de publicación:
0
2013
Número de citas
0
Número de citas referidas
0
Descripción
The radical anion spectra of C-60 and C-70 can be easily generated and studied in primary aliphatic amines. In these conditions the C-60-center dot and C-70-center dot species are accompanied by the dianions C-60(2-) and C-70(2-). In the near infrared region the electronic transitions at 1075, 1058 and 991 nm were assigned to C-60-center dot while those at 1020-1030 nm and at 933 nm were assigned to the fullerene dianion C-60(2-). The electronic transition of C-70-center dot occurs at 1370 nm and that of C-60(2-) at 1170 nm, but in primary aliphatic amines C-70 also display a broad absorption band at 814-820 nm with other features certainly due to a specific interaction of the amine with C-70. The behavior of C-60 was studied with primary aromatic amines, but no interaction was found. Furthermore, solutions of C-60 and C-70 were studied with the secondary amine dioctylamine and with the tertiary amines triethylamine and N,N,N',N'-tetramethylethylenediamine (TMEDA). FT-IR spectra of selected fullerene-amine adducts were reported.
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