Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Pierre Coquay"'
Publikováno v:
Journal of Physical Chemistry B
Journal of Physical Chemistry B, American Chemical Society, 2002, vol. 106, pp. 13199-13210. ⟨10.1021/jp026632k⟩
Journal of Physical Chemistry B, American Chemical Society, 2002, vol. 106, pp. 13199-13210. ⟨10.1021/jp026632k⟩
International audience; The aim of this paper is to study the formation of carbon nanotubes (CNTs) from different Fe/MgO oxide powders that were prepared by combustion synthesis and characterized in detail in a companion paper. Depending on the synth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e6524c7ae7d08d754015d2cac1c911a1
https://doi.org/10.1021/jp026632k
https://doi.org/10.1021/jp026632k
Publikováno v:
Journal of Applied Physics. 92:1286-1291
A catalyst powder was prepared by adsorption precipitation of iron acetate on a SiO2 support at a controlled pH. The selective reduction of this powder in a N2/C2H2 atmosphere at 700 °C generates multiwall carbon nanotubes. The study by x-ray diffra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b4d160ff12a83e364547db63e9eb04f
https://doi.org/10.1063/1.1491589
https://doi.org/10.1063/1.1491589
Autor:
Christophe Laurent, Robert Vandenberghe, Eddy De Grave, Emmanuel Flahaut, Pierre Coquay, Alain Peigney
Publikováno v:
The Journal of Physical Chemistry B.
A detailed 57Fe Mossbauer study of the Mg(0.8)Fe(0.2-y)Co(y)Al2O4 (y = 0, 0.05, 0.1, 0.15, 0.2) solid solutions and of the CNT-Fe/Co-MgAl2O4 nanocomposite powders prepared by reduction in H2-CH4 has allowed characterization of the different iron phas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f031a30cbb965c2a07e57ab30bb2a56c
https://oatao.univ-toulouse.fr/10384/
https://oatao.univ-toulouse.fr/10384/
Autor:
Pierre Coquay, Alain Peigney, Eddy De Grave, Emmanuel Flahaut, Robert E. Vandenberghe, Christophe Laurent
Publikováno v:
The Journal of Physical Chemistry B.
Mg(0.90)Fe(x)Co(y)O (x + y = 0.1) solid solutions were synthesized by the ureic combustion route. Upon reduction at 1000 degrees C in H2-CH4 of these powders, Fe/Co alloy nanoparticles are formed, which are involved in the formation of carbon nanotub
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::adb57780165f10eaf169fec5af95b498
https://oatao.univ-toulouse.fr/10110/
https://oatao.univ-toulouse.fr/10110/
Publikováno v:
Journal of Physical Chemistry B
Journal of Physical Chemistry B, American Chemical Society, 2002, vol. 106, pp. 13186-13198. ⟨10.1021/jp026631s⟩
Journal of Physical Chemistry B, American Chemical Society, 2002, vol. 106, pp. 13186-13198. ⟨10.1021/jp026631s⟩
International audience; The controlled synthesis of carbon nanotubes by chemical vapor deposition requires tailored and wellcharacterized catalyst materials. We attempted to synthesize Mg1-xFexO oxide solid solutions by the combustion route, with the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9c48352720c9579456f3ab0b2f92f3e8
https://oatao.univ-toulouse.fr/10386/
https://oatao.univ-toulouse.fr/10386/
Autor:
Eddy De Grave, Pierre Coquay, Alain Peigney, Christophe Laurent, Robert Vandenberghe, Emmanuel Flahaut
Publikováno v:
The Journal of Physical Chemistry B.
The reduction in H2/CH4 atmosphere of aluminum-iron oxides produces metal particles small enough to catalyze the formation of single-walled carbon nanotubes. Several experiments have been made using the same temperature profile and changing only the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2db7def47e8a9a0fee0048f5618e797e
https://oatao.univ-toulouse.fr/10387/
https://oatao.univ-toulouse.fr/10387/