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Browsing by Subject Zinc oxide

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  • Rapid-visualization-of-fingerprints-on-various-sur_2018_Journal-of-Science--.pdf.jpg
  • Article

  • Rapid visualization of fingerprints on various surfaces using ZnO superstructures prepared via simple combustion route

    • Authors: Deepthi, N.H.; Basavaraj, R.B.; Sharma, S.C.; Revathi, J.; Ramani; Sreenivasa, S.; Nagabhushana, H. (2018)

  • A simple solution combustion route has been used to prepare ZnO nanopowders (NPs) using different barbiturates (Barbituric acid, 1, 3-dimethyl barbiturates and 2-thiobarbiturates) as fuels. The obtained product was well characterized by powder X-ray diffraction (PXRD), scanning electron microscope (SEM), ultraviolet-visible Spectroscope (UV-Vis) and Photoluminescence (PL). The PXRD results confirm the hexagonal phase of the material. The detailed structural analysis is performed by Rietveld refinement method. The energy band gap of NPs is found to be in the range of 3.31 - 3.49 eV. The growth mechanism for the formation of 3D micro-architectures is discussed in detail. The PL emission...
  • ZnO-nanostructures-with-tunable-visible-luminescence-Effects-of-kinetics-of-chemical-reduction-and-annealing_2017_Journal-of-Science-Advanced-Material.pdf.jpg
  • Article

  • ZnO nanostructures with tunable visible luminescence: Effects of kinetics of chemical reduction and annealing

    • Authors: Raji, R.; Gopchandran, K.G. (2017)

  • Highly crystalline ZnO nanoparticles were synthesized using a co-precipitation method. The morphology and optical properties of these nanoparticles are found to be highly sensitive to the growth parameters such as the concentration of reducing agent and annealing temperature. Indeed, the concentration of the reducing agent can alter the morphology of nanoparticles from quasi-spherical to rod-like and then to flower-like structures. Attempts were made to tune the emission wavelength over the visible region by varying the kinetics of chemical reduction and annealing. The possibility of tuning the emission in a visible range from orange to red and then to green by changing the nature of ...

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Browsing by Subject Zinc oxide

Jump to: 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
or enter first few letters:  
Showing results 1 to 2 of 2
  • Rapid-visualization-of-fingerprints-on-various-sur_2018_Journal-of-Science--.pdf.jpg
  • Article

  • Rapid visualization of fingerprints on various surfaces using ZnO superstructures prepared via simple combustion route

    • Authors: Deepthi, N.H.; Basavaraj, R.B.; Sharma, S.C.; Revathi, J.; Ramani; Sreenivasa, S.; Nagabhushana, H. (2018)

  • A simple solution combustion route has been used to prepare ZnO nanopowders (NPs) using different barbiturates (Barbituric acid, 1, 3-dimethyl barbiturates and 2-thiobarbiturates) as fuels. The obtained product was well characterized by powder X-ray diffraction (PXRD), scanning electron microscope (SEM), ultraviolet-visible Spectroscope (UV-Vis) and Photoluminescence (PL). The PXRD results confirm the hexagonal phase of the material. The detailed structural analysis is performed by Rietveld refinement method. The energy band gap of NPs is found to be in the range of 3.31 - 3.49 eV. The growth mechanism for the formation of 3D micro-architectures is discussed in detail. The PL emission...
  • ZnO-nanostructures-with-tunable-visible-luminescence-Effects-of-kinetics-of-chemical-reduction-and-annealing_2017_Journal-of-Science-Advanced-Material.pdf.jpg
  • Article

  • ZnO nanostructures with tunable visible luminescence: Effects of kinetics of chemical reduction and annealing

    • Authors: Raji, R.; Gopchandran, K.G. (2017)

  • Highly crystalline ZnO nanoparticles were synthesized using a co-precipitation method. The morphology and optical properties of these nanoparticles are found to be highly sensitive to the growth parameters such as the concentration of reducing agent and annealing temperature. Indeed, the concentration of the reducing agent can alter the morphology of nanoparticles from quasi-spherical to rod-like and then to flower-like structures. Attempts were made to tune the emission wavelength over the visible region by varying the kinetics of chemical reduction and annealing. The possibility of tuning the emission in a visible range from orange to red and then to green by changing the nature of ...