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

Lehrstuhl für Materialphysik (430)

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Begutachtung

15 Zitate (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.

Originalsprache	Englisch
Seiten (von - bis)	175-179
Seitenumfang	5
Fachzeitschrift	Composites Part A: Applied Science and Manufacturing
Jahrgang	121.2019
Ausgabenummer	June
DOIs	https://doi.org/10.1016/j.compositesa.2019.03.026
Publikationsstatus	Elektronische Veröffentlichung vor Drucklegung. - 22 März 2019

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10.1016/j.compositesa.2019.03.026

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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 - Köhnke, Janea

AU - Unterweger, Christoph

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AU - Keckes, Jozef

AU - Zalesak, Jakub

AU - Rojas, Orlando J.

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