期刊
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
卷 121, 期 -, 页码 175-179出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2019.03.026
关键词
Carbon nanotubes and nanofibers; Lignin
资金
- Austrian Science Promotion Agency (FFG): Bridge Project [846543]
- Austrian Science Fund (FWF): START Project [Y-728-B16]
- European Research Council (ERC) under the European Union [681885]
- European Regional Development Fund (EFRE)
- province of Upper Austria through IWB
- Ministry of Education, Youth and Sports of the Czech Republic (MEYS CR)
- European Research Council (ERC) [681885] Funding Source: European Research Council (ERC)
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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