Abstract
Carbon-encapsulated iron carbide nanoparticles have been produced by co-carbonization of a mixture of an aromatic heavy oil and ferrocene at 450 Degree-Sign C under autogenous pressure. Transformations of the morphology and electronic structure of nanoparticles induced by air oxidation and subsequent heat treatment in a nitrogen atmosphere were examined using transmission electron microscopy, X-ray diffraction, near edge X-ray absorption fine structure spectroscopy, and X-ray emission spectroscopy. It was found that hollow nanoparticles, composed of iron oxides and oxidized carbon, were developed with thermal air oxidation of the initial product at 280 Degree-Sign C for 5 h. The mild oxidation of the product (250 Degree-Sign C for 3 h) followed by the carbonization at 500-550 Degree-Sign C yielded the hollow nanoparticles containing iron carbide/oxides and defective graphite-like carbon. The further annealing of nanoparticles at 1000 Degree-Sign C produced carbon nanocapsules with highly graphitized carbon walls and partially filled by spherical iron carbide nanoparticles. Highlights: Black-Right-Pointing-Pointer Fe{sub 3}C-C nanoparticles produced by co-carbonization of ferrocene and aromatic oil. Black-Right-Pointing-Pointer X-ray spectroscopy study of Fe{sub 3}C-C nanoparticles after oxidation and heat treatment. Black-Right-Pointing-Pointer Thermal oxidation of CENPs yields hollow Fe{sub 2}O{sub 3}/CO{sub x}. nanoparticles. Black-Right-Pointing-Pointer Annealing of Fe{sub 2}O{sub 3}/CO{sub x}. produces graphite-like carbon
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Fedoseeva, Yu.V., E-mail: jjulia@ngs.ru [Nikolaev Institute of Inorganic Chemistry, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk (Russian Federation);
Novosibirsk State Technical University, 630092 Novosibirsk (Russian Federation)];
Bulusheva, L G;
Okotrub, A V;
[1]
Novosibirsk State Technical University, 630092 Novosibirsk (Russian Federation)];
Vyalikh, D V;
[2]
Junping, Huo;
Huaihe, Song;
Jisheng, Zhou;
Xiaohong, Chen
[3]
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk (Russian Federation)
- Institute of Solid State Physics, Dresden University of Technology, D-01062 Dresden (Germany)
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 100029 Beijing (China)
Citation Formats
Fedoseeva, Yu.V., E-mail: jjulia@ngs.ru [Nikolaev Institute of Inorganic Chemistry, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk (Russian Federation), Novosibirsk State Technical University, 630092 Novosibirsk (Russian Federation)], Bulusheva, L G, Okotrub, A V, Novosibirsk State Technical University, 630092 Novosibirsk (Russian Federation)], Vyalikh, D V, Junping, Huo, Huaihe, Song, Jisheng, Zhou, and Xiaohong, Chen.
Effect of oxidation and heat treatment on the morphology and electronic structure of carbon-encapsulated iron carbide nanoparticles.
Netherlands: N. p.,
2012.
Web.
doi:10.1016/J.MATCHEMPHYS.2012.04.063.
Fedoseeva, Yu.V., E-mail: jjulia@ngs.ru [Nikolaev Institute of Inorganic Chemistry, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk (Russian Federation), Novosibirsk State Technical University, 630092 Novosibirsk (Russian Federation)], Bulusheva, L G, Okotrub, A V, Novosibirsk State Technical University, 630092 Novosibirsk (Russian Federation)], Vyalikh, D V, Junping, Huo, Huaihe, Song, Jisheng, Zhou, & Xiaohong, Chen.
Effect of oxidation and heat treatment on the morphology and electronic structure of carbon-encapsulated iron carbide nanoparticles.
Netherlands.
https://doi.org/10.1016/J.MATCHEMPHYS.2012.04.063
Fedoseeva, Yu.V., E-mail: jjulia@ngs.ru [Nikolaev Institute of Inorganic Chemistry, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk (Russian Federation), Novosibirsk State Technical University, 630092 Novosibirsk (Russian Federation)], Bulusheva, L G, Okotrub, A V, Novosibirsk State Technical University, 630092 Novosibirsk (Russian Federation)], Vyalikh, D V, Junping, Huo, Huaihe, Song, Jisheng, Zhou, and Xiaohong, Chen.
2012.
"Effect of oxidation and heat treatment on the morphology and electronic structure of carbon-encapsulated iron carbide nanoparticles."
Netherlands.
https://doi.org/10.1016/J.MATCHEMPHYS.2012.04.063.
@misc{etde_22061832,
title = {Effect of oxidation and heat treatment on the morphology and electronic structure of carbon-encapsulated iron carbide nanoparticles}
author = {Fedoseeva, Yu.V., E-mail: jjulia@ngs.ru [Nikolaev Institute of Inorganic Chemistry, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk (Russian Federation), Novosibirsk State Technical University, 630092 Novosibirsk (Russian Federation)], Bulusheva, L G, Okotrub, A V, Novosibirsk State Technical University, 630092 Novosibirsk (Russian Federation)], Vyalikh, D V, Junping, Huo, Huaihe, Song, Jisheng, Zhou, and Xiaohong, Chen}
abstractNote = {Carbon-encapsulated iron carbide nanoparticles have been produced by co-carbonization of a mixture of an aromatic heavy oil and ferrocene at 450 Degree-Sign C under autogenous pressure. Transformations of the morphology and electronic structure of nanoparticles induced by air oxidation and subsequent heat treatment in a nitrogen atmosphere were examined using transmission electron microscopy, X-ray diffraction, near edge X-ray absorption fine structure spectroscopy, and X-ray emission spectroscopy. It was found that hollow nanoparticles, composed of iron oxides and oxidized carbon, were developed with thermal air oxidation of the initial product at 280 Degree-Sign C for 5 h. The mild oxidation of the product (250 Degree-Sign C for 3 h) followed by the carbonization at 500-550 Degree-Sign C yielded the hollow nanoparticles containing iron carbide/oxides and defective graphite-like carbon. The further annealing of nanoparticles at 1000 Degree-Sign C produced carbon nanocapsules with highly graphitized carbon walls and partially filled by spherical iron carbide nanoparticles. Highlights: Black-Right-Pointing-Pointer Fe{sub 3}C-C nanoparticles produced by co-carbonization of ferrocene and aromatic oil. Black-Right-Pointing-Pointer X-ray spectroscopy study of Fe{sub 3}C-C nanoparticles after oxidation and heat treatment. Black-Right-Pointing-Pointer Thermal oxidation of CENPs yields hollow Fe{sub 2}O{sub 3}/CO{sub x}. nanoparticles. Black-Right-Pointing-Pointer Annealing of Fe{sub 2}O{sub 3}/CO{sub x}. produces graphite-like carbon capsules filled with Fe{sub 3}C.}
doi = {10.1016/J.MATCHEMPHYS.2012.04.063}
journal = []
issue = {1}
volume = {135}
journal type = {AC}
place = {Netherlands}
year = {2012}
month = {Jul}
}
title = {Effect of oxidation and heat treatment on the morphology and electronic structure of carbon-encapsulated iron carbide nanoparticles}
author = {Fedoseeva, Yu.V., E-mail: jjulia@ngs.ru [Nikolaev Institute of Inorganic Chemistry, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk (Russian Federation), Novosibirsk State Technical University, 630092 Novosibirsk (Russian Federation)], Bulusheva, L G, Okotrub, A V, Novosibirsk State Technical University, 630092 Novosibirsk (Russian Federation)], Vyalikh, D V, Junping, Huo, Huaihe, Song, Jisheng, Zhou, and Xiaohong, Chen}
abstractNote = {Carbon-encapsulated iron carbide nanoparticles have been produced by co-carbonization of a mixture of an aromatic heavy oil and ferrocene at 450 Degree-Sign C under autogenous pressure. Transformations of the morphology and electronic structure of nanoparticles induced by air oxidation and subsequent heat treatment in a nitrogen atmosphere were examined using transmission electron microscopy, X-ray diffraction, near edge X-ray absorption fine structure spectroscopy, and X-ray emission spectroscopy. It was found that hollow nanoparticles, composed of iron oxides and oxidized carbon, were developed with thermal air oxidation of the initial product at 280 Degree-Sign C for 5 h. The mild oxidation of the product (250 Degree-Sign C for 3 h) followed by the carbonization at 500-550 Degree-Sign C yielded the hollow nanoparticles containing iron carbide/oxides and defective graphite-like carbon. The further annealing of nanoparticles at 1000 Degree-Sign C produced carbon nanocapsules with highly graphitized carbon walls and partially filled by spherical iron carbide nanoparticles. Highlights: Black-Right-Pointing-Pointer Fe{sub 3}C-C nanoparticles produced by co-carbonization of ferrocene and aromatic oil. Black-Right-Pointing-Pointer X-ray spectroscopy study of Fe{sub 3}C-C nanoparticles after oxidation and heat treatment. Black-Right-Pointing-Pointer Thermal oxidation of CENPs yields hollow Fe{sub 2}O{sub 3}/CO{sub x}. nanoparticles. Black-Right-Pointing-Pointer Annealing of Fe{sub 2}O{sub 3}/CO{sub x}. produces graphite-like carbon capsules filled with Fe{sub 3}C.}
doi = {10.1016/J.MATCHEMPHYS.2012.04.063}
journal = []
issue = {1}
volume = {135}
journal type = {AC}
place = {Netherlands}
year = {2012}
month = {Jul}
}