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Growth of Carbon Nanofibers Using Resol-Type Phenolic Resin and Cobalt(II) Catalyst

Title data

Kim, Taeyun ; Mees, Karina ; Park, Ho-Seon ; Willert-Porada, Monika ; Lee, Chang-Seop:
Growth of Carbon Nanofibers Using Resol-Type Phenolic Resin and Cobalt(II) Catalyst.
In: Journal of Nanoscience and Nanotechnology. Vol. 13 (November 2013) Issue 11 . - pp. 7337-7348.
ISSN 1533-4880
DOI: https://doi.org/10.1166/jnn.2013.7852

Official URL: Volltext

Project information

Project financing: Andere

Abstract in another language

This study investigated carbon nanofibers (CNFs) grown on reticulated vitreous carbon (RVC) foam through catalytic deposition of ethylene. Before growing the CNFs, Co(II) on the RVC foam was expected to act as a catalyst by deposition. The preparation of the CNFs was a two-step process. The first step was preparing the RVC from polyurethane (PU) foam. Changes in weight over time were evaluated using two kinds of resol. The change in the mass and state of the sample with the change in temperature was studied during the carbonization process. The second step was to prepare the CNFs. An OH group was attached by the oxidation of the RVC foam. A change in the shape and mass of the sample was observed due to a change in nitric acid concentration and oxidation time. Then, cobalt was deposited to grow CNFs on the RVC foam. Hydrolysis helped to deposit the Co(II) on the RVC foam. The appropriate time and temperature were investigated for the reduction process. In the last step, CNFs were prepared by the introducing ethylene gas. The resulting samples were analyzed using scanning electron microscopy, energy dispersive spectroscopy, N2-sorption, and X-ray photoelectron spectroscopy.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Ehemalige Professoren > Chair Materials Processing - Univ.-Prof. Dr. Monika Willert-Porada
Faculties
Faculties > Faculty of Engineering Science > Ehemalige Professoren
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 500 Natural sciences
600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 23 Aug 2017 06:27
Last Modified: 23 Aug 2017 06:27
URI: https://eref.uni-bayreuth.de/id/eprint/13646