RETRACTED ARTICLE: A new approach on preparation and characterization of zinc oxide deposited carbon nanotubes based materials applicable for electronic and optoelectronic devices



ZnO is a wide-band-gap semiconductor material that is now being developed for many applications, including ultraviolet (UV) light-emitting diodes, UV photodetectors, transparent thin-film transistors, and gas sensors. It can be grown as boules, as thin films, or as nanostructures of many types and shapes. However, as with any useful semiconductor material, its electrical and optical properties are controlled by impurities and defects. We have reviewed the growth and analysis of carbon molecular crystals by the plasma enhanced chemical vapour deposition method. The three main synthesis methods of Carbon Nanocrystals (CNCs) are the arc discharge, the laser ablation and the chemical vapour deposition with a special regard to the later one. By two different methods ZnO layers were coated on the tubes. RF sputtering was one of the ways to directly deposit ZnO thin layer on the MWCNCs. On the other hand, we used thermally physical vapour deposition for making thin Zn film to oxidize it later. Scanning electron microscopy and also Raman spectroscopy measurements of the prepared samples confirmed the presence of ZnO nanolayers on the CNC bodies.


Field Emission Property Field Enhancement Factor Conductive Carbon Black Hydroxide Monohydrate Show Field Emission Scanning Electron Microscopy Image 
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© Springer Science+Business Media New York 2016

Authors and Affiliations

  1. 1.Plasma Physics Research Center, Science and Research BranchIslamic Azad UniversityTehranIran

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