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      Use of saccharides as solid-state precursors for the synthesis of carbon nanotubes

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      Author
      Küçükkayan, Gökçe
      Kayacan, Serim
      Baykal, Beril
      Bengu, Erman
      Date
      2008
      Source Title
      Materials Research Society Symposium Proceedings
      Print ISSN
      0272-9172
      Publisher
      Materials Research Society
      Volume
      1081
      Language
      English
      Type
      Conference Paper
      Item Usage Stats
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      Abstract
      Saccharides, ranging from simple table sugar (sucrose) to lactulose were successfully used as solid-state precursors for the synthesis of multi-walled carbon nanotubes (MWCNT). Dehydrated saccharide residues mixed with catalyst powders were subjected to pyrolysis at high temperatures (up to 1300°C) under flowing Argon atmosphere. Pyrolysis products were investigated using TEM, SEM, Raman spectroscopy and EDS. Images taken using the S/TEM and bright field mode of TEM showed the presence of helical multi-walled carbon nanotube (H-MWCNT) and regular MWCNT formation. More than two or three catalyst particles were observed to be present inside the hollow core of some of the nanotubes synthesized, suggesting a high level of capillary activity inside the tubes during synthesis. © 2008 Materials Research Society.
      Keywords
      Bright fields
      Catalyst particles
      Catalyst powders
      Flowing argons
      High temperature
      Hollow cores
      Pyrolysis products
      SEM
      Table sugar
      TEM
      Argon
      Biocatalysts
      Carbon nanotubes
      Catalysis
      Chemical sensors
      Pyrolysis
      Raman spectroscopy
      Sugar (sucrose)
      Synthesis (chemical)
      Multiwalled carbon nanotubes (MWCN)
      Permalink
      http://hdl.handle.net/11693/26781
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      • Department of Chemistry 594
      • Institute of Materials Science and Nanotechnology (UNAM) 1775
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