Synthesis and characterization of carbon fibrils formed by stacking graphite sheets of nanometer thickness

Carbon fibrils with length of 2–3 μm formed by stacking graphite sheets of ∼10–40 nm in thickness along the 〈0 0 1〉 direction were prepared by pyrolysis of tetrahydrofuran at 600 °C in the existence of metallic nickel. The spacing of adjacent sheets concentrated on ∼3.8 nm and ∼50 nm. Metallic nicke...

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Bibliographic Details
Published in:Carbon (New York) 2009, Vol.47 (1), p.328-330
Main Authors: Li, Haibo, Zhu, Yongchun, Mao, Zhenghao, Gu, Jun, Zhang, Junhao, Qian, Yitai
Format: Article
Language:English
Subjects:
Carbon
Catalysis
Chemistry
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Fullerenes and related materials
diamonds, graphite
General and physical chemistry
Graphite
Materials science
Nickel
Physics
Pyrolysis
Sheet metal
Specific materials
Stacking
Synthesis
Tetrahydrofuran
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
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Summary:Carbon fibrils with length of 2–3 μm formed by stacking graphite sheets of ∼10–40 nm in thickness along the 〈0 0 1〉 direction were prepared by pyrolysis of tetrahydrofuran at 600 °C in the existence of metallic nickel. The spacing of adjacent sheets concentrated on ∼3.8 nm and ∼50 nm. Metallic nickel played a catalytic role in the formation of carbon fibrils, and a possible formation process was proposed.
ISSN:0008-6223
1873-3891
DOI:10.1016/j.carbon.2008.09.053