Lignin-based multiwall carbon nanotubes

Wolfgang Gindl-Altmutter; Janea Köhnke; Christoph Unterweger; Notburga Gierlinger; Jozef Keckes; Jakub Zalesak; Orlando J. Rojas

doi:10.1016/j.compositesa.2019.03.026

Lignin-based multiwall carbon nanotubes

Wolfgang Gindl-Altmutter^*
, Janea Köhnke
, Christoph Unterweger
, Notburga Gierlinger
, Jozef Keckes
, Jakub Zalesak
, Orlando J. Rojas

^*Corresponding author for this work

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

39 Citations (Scopus)

Abstract

Carbon particles were produced by carbonization of perfectly spherical, sub-micron beads obtained from Kraft lignin. While the bulk of the particles consisted of carbon with only moderate structural order, high-resolution transmission electron microscopy revealed the presence of highly ordered multilayered carbon structures adhering to the surface of the carbon spheres. Besides irregularly shaped multiwall carbon, well-defined multiwall carbon nanotubes were identified. Energy dispersive x-ray analysis hints at a catalytic action of metallic impurities present in lignin in the synthesis of these lignin-based carbon nanostructures. Lignin-based multiwall carbon nanotubes are considered of high interest with regard to providing bio-based alternatives for fossil-based high-performance materials.

Original language	English
Pages (from-to)	175-179
Number of pages	5
Journal	Composites Part A: Applied Science and Manufacturing
Volume	121
DOIs	https://doi.org/10.1016/j.compositesa.2019.03.026
Publication status	Published - 1 Jun 2019
MoE publication type	A1 Journal article-refereed

Funding

J.Köhnke., C.Z., and W.G.-A. acknowledge funding by the Austrian Science Promotion Agency ( FFG ): Bridge Project 846543 . N.G. acknowledges funding by the Austrian Science Fund ( FWF ): START Project Y-728-B16 and the European Research Council ( ERC ) under the European Union's Horizon 2020 research and innovation programme under grant agreement No 681885 . C.U. acknowledges funding by European Regional Development Fund (EFRE) and the province of Upper Austria through the program IWB 2014-2020 (project BioCarb K). All authors gratefully acknowledge access to infrastructure provided by the CEITEC Nano Research Infrastructure financed by the Ministry of Education, Youth and Sports of the Czech Republic (MEYS CR).

Keywords

A. Carbon nanotubes and nanofibers
Lignin

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10.1016/j.compositesa.2019.03.026

Cite this

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title = "Lignin-based multiwall carbon nanotubes",

abstract = "Carbon particles were produced by carbonization of perfectly spherical, sub-micron beads obtained from Kraft lignin. While the bulk of the particles consisted of carbon with only moderate structural order, high-resolution transmission electron microscopy revealed the presence of highly ordered multilayered carbon structures adhering to the surface of the carbon spheres. Besides irregularly shaped multiwall carbon, well-defined multiwall carbon nanotubes were identified. Energy dispersive x-ray analysis hints at a catalytic action of metallic impurities present in lignin in the synthesis of these lignin-based carbon nanostructures. Lignin-based multiwall carbon nanotubes are considered of high interest with regard to providing bio-based alternatives for fossil-based high-performance materials.",

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AU - Gindl-Altmutter, Wolfgang

AU - Köhnke, Janea

AU - Unterweger, Christoph

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AU - Keckes, Jozef

AU - Zalesak, Jakub

AU - Rojas, Orlando J.

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AB - Carbon particles were produced by carbonization of perfectly spherical, sub-micron beads obtained from Kraft lignin. While the bulk of the particles consisted of carbon with only moderate structural order, high-resolution transmission electron microscopy revealed the presence of highly ordered multilayered carbon structures adhering to the surface of the carbon spheres. Besides irregularly shaped multiwall carbon, well-defined multiwall carbon nanotubes were identified. Energy dispersive x-ray analysis hints at a catalytic action of metallic impurities present in lignin in the synthesis of these lignin-based carbon nanostructures. Lignin-based multiwall carbon nanotubes are considered of high interest with regard to providing bio-based alternatives for fossil-based high-performance materials.

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KW - Lignin

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M3 - Article

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JO - Composites Part A: Applied Science and Manufacturing

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ER -

Lignin-based multiwall carbon nanotubes

Abstract

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Keywords

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