The effects of boron and phosphorus incorporation in phenolic resin precursor to the oxidation resistance of glassy carbon have been studied. In order to reveal the nature and composition of the oxygen complexes formed at the surface of doped glassy carbon, under controlled atmosphere, the surface of the samples was cleaned under vacuum up to 1273 K. Specific functional groups, subsequently formed under dry CO2 or O-2 atmosphere on the surface of boron-doped and phosphorus-doped glassy carbon samples, were examined using the temperature-programmed desorption method combined with mass spectrometric analysis. Characterization of surface properties of undoped and doped samples has shown that in the presence of either boron or phosphorus heteroatoms, a lower amount of oxygen complexes formed after CO2 exposure, while, typically, higher amount of oxygen complexes formed after O-2 exposure. It has been concluded that the surface of undoped glassy carbon has a greater affinity towards CO2, wh...ile in the presence of either boron or phosphorus heteroatoms, the glassy carbon surface affinity becomes greater towards O-2, under experimental conditions.
Keywords:
glass-like carbon / doping / mass spectroscopy / temperature programmed desorption / surface properties
Source:
Bulletin of Materials Science, 2006, 29, 5, 467-473
TY - JOUR
AU - Perić-Grujić, Aleksandra
AU - Vasiljević, Tatjana
AU - Nešković, Olivera M.
AU - Veljković, Miomir V.
AU - Laušević, Zoran
AU - Laušević, Mila
PY - 2006
UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/958
AB - The effects of boron and phosphorus incorporation in phenolic resin precursor to the oxidation resistance of glassy carbon have been studied. In order to reveal the nature and composition of the oxygen complexes formed at the surface of doped glassy carbon, under controlled atmosphere, the surface of the samples was cleaned under vacuum up to 1273 K. Specific functional groups, subsequently formed under dry CO2 or O-2 atmosphere on the surface of boron-doped and phosphorus-doped glassy carbon samples, were examined using the temperature-programmed desorption method combined with mass spectrometric analysis. Characterization of surface properties of undoped and doped samples has shown that in the presence of either boron or phosphorus heteroatoms, a lower amount of oxygen complexes formed after CO2 exposure, while, typically, higher amount of oxygen complexes formed after O-2 exposure. It has been concluded that the surface of undoped glassy carbon has a greater affinity towards CO2, while in the presence of either boron or phosphorus heteroatoms, the glassy carbon surface affinity becomes greater towards O-2, under experimental conditions.
PB - Indian Acad Sciences, Bangalore
T2 - Bulletin of Materials Science
T1 - Formation of oxygen complexes in controlled atmosphere at surface of doped glassy carbon
EP - 473
IS - 5
SP - 467
VL - 29
DO - 10.1007/BF02914077
ER -
@article{
author = "Perić-Grujić, Aleksandra and Vasiljević, Tatjana and Nešković, Olivera M. and Veljković, Miomir V. and Laušević, Zoran and Laušević, Mila",
year = "2006",
abstract = "The effects of boron and phosphorus incorporation in phenolic resin precursor to the oxidation resistance of glassy carbon have been studied. In order to reveal the nature and composition of the oxygen complexes formed at the surface of doped glassy carbon, under controlled atmosphere, the surface of the samples was cleaned under vacuum up to 1273 K. Specific functional groups, subsequently formed under dry CO2 or O-2 atmosphere on the surface of boron-doped and phosphorus-doped glassy carbon samples, were examined using the temperature-programmed desorption method combined with mass spectrometric analysis. Characterization of surface properties of undoped and doped samples has shown that in the presence of either boron or phosphorus heteroatoms, a lower amount of oxygen complexes formed after CO2 exposure, while, typically, higher amount of oxygen complexes formed after O-2 exposure. It has been concluded that the surface of undoped glassy carbon has a greater affinity towards CO2, while in the presence of either boron or phosphorus heteroatoms, the glassy carbon surface affinity becomes greater towards O-2, under experimental conditions.",
publisher = "Indian Acad Sciences, Bangalore",
journal = "Bulletin of Materials Science",
title = "Formation of oxygen complexes in controlled atmosphere at surface of doped glassy carbon",
pages = "473-467",
number = "5",
volume = "29",
doi = "10.1007/BF02914077"
}
Perić-Grujić, A., Vasiljević, T., Nešković, O. M., Veljković, M. V., Laušević, Z.,& Laušević, M.. (2006). Formation of oxygen complexes in controlled atmosphere at surface of doped glassy carbon. in Bulletin of Materials Science
Indian Acad Sciences, Bangalore., 29(5), 467-473.
https://doi.org/10.1007/BF02914077
Perić-Grujić A, Vasiljević T, Nešković OM, Veljković MV, Laušević Z, Laušević M. Formation of oxygen complexes in controlled atmosphere at surface of doped glassy carbon. in Bulletin of Materials Science. 2006;29(5):467-473.
doi:10.1007/BF02914077 .
Perić-Grujić, Aleksandra, Vasiljević, Tatjana, Nešković, Olivera M., Veljković, Miomir V., Laušević, Zoran, Laušević, Mila, "Formation of oxygen complexes in controlled atmosphere at surface of doped glassy carbon" in Bulletin of Materials Science, 29, no. 5 (2006):467-473,
https://doi.org/10.1007/BF02914077 . .
