Template-confined growth and structural characterization of amorphous carbon nanotubes

Y. Yang; Zheng Hu; Q. Wu; Y. N. Lü; X. Z. Wang; Y. Chen

doi:10.1016/S0009-2614(03)00651-1

Template-confined growth and structural characterization of amorphous carbon nanotubes

Y. Yang, Zheng Hu, Q. Wu, Y. N. Lü, X. Z. Wang, Y. Chen

College of Materials Science and Engineering

Nanjing University

Research output: Contribution to journal › Article › peer-review

37 Scopus citations

Abstract

Porous anodic aluminum oxide templates with different channel structures have been synthesized and used to grow carbon nanotubes (CNTs) through the pyrolysis of ethylene at 700 °C. Aligned CNT arrays, Y-branched as well as novel dendriform CNTs have been obtained and well characterized by scanning electron microscopy and high-resolution transmission electron microscopy. The amorphous structure, irregular and quasi-hemispherical ends as well as the branched junction have been revealed in detail. The disordered structure of the carbon nanotubes was assigned to the lattice mismatch between alumina and carbon species. A growth mechanism mainly based on the space-limited and self-catalytic functions of template channels has been proposed accordingly.

Original language	English
Pages (from-to)	580-585
Number of pages	6
Journal	Chemical Physics Letters
Volume	373
Issue number	5-6
DOIs	https://doi.org/10.1016/S0009-2614(03)00651-1
State	Published - 28 May 2003

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abstract = "Porous anodic aluminum oxide templates with different channel structures have been synthesized and used to grow carbon nanotubes (CNTs) through the pyrolysis of ethylene at 700 °C. Aligned CNT arrays, Y-branched as well as novel dendriform CNTs have been obtained and well characterized by scanning electron microscopy and high-resolution transmission electron microscopy. The amorphous structure, irregular and quasi-hemispherical ends as well as the branched junction have been revealed in detail. The disordered structure of the carbon nanotubes was assigned to the lattice mismatch between alumina and carbon species. A growth mechanism mainly based on the space-limited and self-catalytic functions of template channels has been proposed accordingly.",

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AU - Yang, Y.

AU - Hu, Zheng

AU - Wu, Q.

AU - Lü, Y. N.

AU - Wang, X. Z.

AU - Chen, Y.

PY - 2003/5/28

Y1 - 2003/5/28

N2 - Porous anodic aluminum oxide templates with different channel structures have been synthesized and used to grow carbon nanotubes (CNTs) through the pyrolysis of ethylene at 700 °C. Aligned CNT arrays, Y-branched as well as novel dendriform CNTs have been obtained and well characterized by scanning electron microscopy and high-resolution transmission electron microscopy. The amorphous structure, irregular and quasi-hemispherical ends as well as the branched junction have been revealed in detail. The disordered structure of the carbon nanotubes was assigned to the lattice mismatch between alumina and carbon species. A growth mechanism mainly based on the space-limited and self-catalytic functions of template channels has been proposed accordingly.

AB - Porous anodic aluminum oxide templates with different channel structures have been synthesized and used to grow carbon nanotubes (CNTs) through the pyrolysis of ethylene at 700 °C. Aligned CNT arrays, Y-branched as well as novel dendriform CNTs have been obtained and well characterized by scanning electron microscopy and high-resolution transmission electron microscopy. The amorphous structure, irregular and quasi-hemispherical ends as well as the branched junction have been revealed in detail. The disordered structure of the carbon nanotubes was assigned to the lattice mismatch between alumina and carbon species. A growth mechanism mainly based on the space-limited and self-catalytic functions of template channels has been proposed accordingly.

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JO - Chemical Physics Letters

JF - Chemical Physics Letters

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Template-confined growth and structural characterization of amorphous carbon nanotubes

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