The basic C-60 and C-70, and the higher fullerenes, mainly C-76 and C-84, were extracted by original procedures, with p-xylene and the mixture of xylenes from the samples of initial carbon soot, produced in electrical arc. The extracts were obtained in increased and high yields of 6% and 11.9%, respectively, due to application of the advanced procedures. The solubility of fullerenes in these solvents was compared. Chromatographic separation of the basic and the higher fullerenes from the obtained p-xylene extract was performed by continue elution, in one phase of the process, under atmospheric pressure, with original, defined gradient of solvents, from pure hexane to 75% toluene in hexane, on active Al2O3 column, by a new, improved method. Comparative spectroscopic characterization of the obtained purified fullerene fractions and the extracts is reported. The IR and UV/VIS techniques that have not been presented previously for the higher fullerenes were employed as a contribution to be...tter introduction of their optical absorption properties.
TY - JOUR
AU - Jovanovic, T.
AU - Koruga, Dj.
AU - Jovančićević, Branimir
AU - Vajs, Vlatka
AU - Dević, Gordana
PY - 2013
UR - https://cer.ihtm.bg.ac.rs/handle/123456789/1300
AB - The basic C-60 and C-70, and the higher fullerenes, mainly C-76 and C-84, were extracted by original procedures, with p-xylene and the mixture of xylenes from the samples of initial carbon soot, produced in electrical arc. The extracts were obtained in increased and high yields of 6% and 11.9%, respectively, due to application of the advanced procedures. The solubility of fullerenes in these solvents was compared. Chromatographic separation of the basic and the higher fullerenes from the obtained p-xylene extract was performed by continue elution, in one phase of the process, under atmospheric pressure, with original, defined gradient of solvents, from pure hexane to 75% toluene in hexane, on active Al2O3 column, by a new, improved method. Comparative spectroscopic characterization of the obtained purified fullerene fractions and the extracts is reported. The IR and UV/VIS techniques that have not been presented previously for the higher fullerenes were employed as a contribution to better introduction of their optical absorption properties.
PB - Taylor & Francis Inc, Philadelphia
T2 - Fullerenes Nanotubes and Carbon Nanostructures
T1 - Comparative Spectroscopic Characterization of the Basic and the Higher Fullerenes
VL - 21
IS - 1
SP - 64
EP - 74
DO - 10.1080/1536383X.2011.588812
ER -
@article{
author = "Jovanovic, T. and Koruga, Dj. and Jovančićević, Branimir and Vajs, Vlatka and Dević, Gordana",
year = "2013",
abstract = "The basic C-60 and C-70, and the higher fullerenes, mainly C-76 and C-84, were extracted by original procedures, with p-xylene and the mixture of xylenes from the samples of initial carbon soot, produced in electrical arc. The extracts were obtained in increased and high yields of 6% and 11.9%, respectively, due to application of the advanced procedures. The solubility of fullerenes in these solvents was compared. Chromatographic separation of the basic and the higher fullerenes from the obtained p-xylene extract was performed by continue elution, in one phase of the process, under atmospheric pressure, with original, defined gradient of solvents, from pure hexane to 75% toluene in hexane, on active Al2O3 column, by a new, improved method. Comparative spectroscopic characterization of the obtained purified fullerene fractions and the extracts is reported. The IR and UV/VIS techniques that have not been presented previously for the higher fullerenes were employed as a contribution to better introduction of their optical absorption properties.",
publisher = "Taylor & Francis Inc, Philadelphia",
journal = "Fullerenes Nanotubes and Carbon Nanostructures",
title = "Comparative Spectroscopic Characterization of the Basic and the Higher Fullerenes",
volume = "21",
number = "1",
pages = "64-74",
doi = "10.1080/1536383X.2011.588812"
}
Jovanovic, T., Koruga, Dj., Jovančićević, B., Vajs, V.,& Dević, G.. (2013). Comparative Spectroscopic Characterization of the Basic and the Higher Fullerenes. in Fullerenes Nanotubes and Carbon Nanostructures
Taylor & Francis Inc, Philadelphia., 21(1), 64-74.
https://doi.org/10.1080/1536383X.2011.588812
Jovanovic T, Koruga D, Jovančićević B, Vajs V, Dević G. Comparative Spectroscopic Characterization of the Basic and the Higher Fullerenes. in Fullerenes Nanotubes and Carbon Nanostructures. 2013;21(1):64-74.
doi:10.1080/1536383X.2011.588812 .
Jovanovic, T., Koruga, Dj., Jovančićević, Branimir, Vajs, Vlatka, Dević, Gordana, "Comparative Spectroscopic Characterization of the Basic and the Higher Fullerenes" in Fullerenes Nanotubes and Carbon Nanostructures, 21, no. 1 (2013):64-74,
https://doi.org/10.1080/1536383X.2011.588812 . .
