Synthesis of carbon nanofibers by catalytic CVD of chlorobenzene over bulk nickel alloy

Roman M. Kenzhin, Yuri I. Bauman, Alexander M. Volodin, Ilya V. Mishakov, Aleksey A. Vedyagin

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Catalytic chemical vapor deposition (CCVD) of chlorobenzene over bulk nickel alloy (nichrome) was studied. The bulk Ni-containing samples being exposed to a contact with aggressive reaction medium undergo self-disintegration followed by growth of carbon nanofibers. This process, also known as a metal dusting, requires the simultaneous presence of chlorine and hydrogen sources in the reaction mixture. Molecule of chlorobenzene complies with these requirements. The experiments on CCVD were performed in a flow-through reactor system. The initial stages of nickel disintegration process were investigated in a closed system under Autogenic Pressure at Elevated Temperature (RAPET) conditions. Scanning and transmission electron microscopies and ferromagnetic resonance spectroscopy were applied to examine the samples after their interaction with chlorobenzene. Introduction of additional hydrogen into the flow-through system was shown to affect the morphology of grown carbon nanofibers.

Original languageEnglish
Pages (from-to)505-510
Number of pages6
JournalApplied Surface Science
Volume427
DOIs
Publication statusPublished - 1 Jan 2018

Fingerprint

Carbon nanofibers
Disintegration
Nickel alloys
Chemical vapor deposition
Ferromagnetic resonance
Hydrogen
Chlorine
Nickel
Spectroscopy
Transmission electron microscopy
Scanning electron microscopy
Molecules
Metals
Experiments
Temperature
chlorobenzene

Keywords

  • Bulk nickel alloy
  • CCVD
  • Chlorobenzene
  • Ferromagnetic resonance
  • RAPET conditions
  • Self-disintegration

ASJC Scopus subject areas

  • Surfaces, Coatings and Films

Cite this

Synthesis of carbon nanofibers by catalytic CVD of chlorobenzene over bulk nickel alloy. / Kenzhin, Roman M.; Bauman, Yuri I.; Volodin, Alexander M.; Mishakov, Ilya V.; Vedyagin, Aleksey A.

In: Applied Surface Science, Vol. 427, 01.01.2018, p. 505-510.

Research output: Contribution to journalArticle

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AU - Bauman, Yuri I.

AU - Volodin, Alexander M.

AU - Mishakov, Ilya V.

AU - Vedyagin, Aleksey A.

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AB - Catalytic chemical vapor deposition (CCVD) of chlorobenzene over bulk nickel alloy (nichrome) was studied. The bulk Ni-containing samples being exposed to a contact with aggressive reaction medium undergo self-disintegration followed by growth of carbon nanofibers. This process, also known as a metal dusting, requires the simultaneous presence of chlorine and hydrogen sources in the reaction mixture. Molecule of chlorobenzene complies with these requirements. The experiments on CCVD were performed in a flow-through reactor system. The initial stages of nickel disintegration process were investigated in a closed system under Autogenic Pressure at Elevated Temperature (RAPET) conditions. Scanning and transmission electron microscopies and ferromagnetic resonance spectroscopy were applied to examine the samples after their interaction with chlorobenzene. Introduction of additional hydrogen into the flow-through system was shown to affect the morphology of grown carbon nanofibers.

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