Synthesis of carbon nanofibers as support layer for metal catalyst in a microreactor for three-phase reactions

D.B. Thakur, Roald M. Tiggelaar, Kulathuiyer Seshan, Johannes G.E. Gardeniers, Leonardus Lefferts, Giuseppe D'Arrigo (Editor), Pietro Vincenzini (Editor)

Research output: Contribution to journalArticleAcademicpeer-review

9 Citations (Scopus)

Abstract

Carbon Nanofibers (CNF) layers were synthesized nickel-based thin-films on flat fused silica substrates. CNF synthesis was performed via thermal catalytic chemical vapor deposition of ethylene using nickel as metal catalyst. Different underlayer metal thin films, viz. titanium, tantalum and titanium-tungsten were tested in order to obtain stable and well-attached CNF films on fused silica substrates. It is found in case of titanium CNFs are formed on the nickel, but due to severe Ni/Ti inderdiffusion the titanium film looses its adhesive function, as a consequence of which the formed CNF film detaches from the substrate. The use of tantalum or titanium-tungsten as adhesion layer resulted in stable and well-adhered CNF films on fused silica substrates, of which the morphology can be controlled by the growth time
Original languageEnglish
Pages (from-to)231-236
Number of pages6
JournalAdvances in science and technology
Volume54
DOIs
Publication statusPublished - 8 Jun 2008
Event3rd International Conference "Smart Materials, Structures and Systems", CIMTEC 2008 - Acireale, Italy
Duration: 8 Jun 200813 Jun 2008
Conference number: 3
http://old.cimtec-congress.org/2008/

Keywords

  • METIS-250603
  • IR-94274
  • Carbon nanofibers
  • Catalyst support
  • Flat substrates
  • Nickel thin film
  • Underlayers

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