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Structural and optical modifications of the Ag2WO4/CoPc nanocomposite for potential applications

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Abstract.

The silver tungstate/cobalt phthalocyanine nanocomposite (Ag2WO4/CoPc was prepared by the simple solvent evaporation method. The as-synthesized nanocomposite was characterized by thermo gravimetric and differential thermal analysis, X-ray diffraction, scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy, ultraviolet-visible spectroscopy, photoluminescence spectroscopy and Raman spectroscopy. The structural characterization confirms the formation of the Ag2WO4/CoPc nanocomposite. The ultraviolet-visible spectrum for the Ag2WO4/CoPc nanocomposite shows extended visible absorption in the wavelength range 670-735nm. Photoluminescence spectrum of the nanocomposite shows large intensity and violet-blue emission when excited with near-ultraviolet light. The present study suggests that the synthesized Ag2WO4/CoPc nanocomposite can be a promising material for constructing light emitting diodes, solar cells and optoelectronic devices.

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Authors and Affiliations

  1. Dept. of Applied Science and Humanities, Thejus Engineering College, Thrissur, 680584, Kerala, India

    A. Sreedevi

  2. Nanoscience Research Centre (NSRC), Dept. of Physics, Nirmala College, Muvattupuzha, 686 661, Kerala, India

    K. P. Priyanka, K. K. Babitha, O. P. Jaseentha & Thomas Varghese

  3. Research and Development Centre, Bharathiar University, 641 046, Coimbatore, India

    A. Sreedevi

Authors
  1. A. Sreedevi
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  2. K. P. Priyanka
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  3. K. K. Babitha
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  4. O. P. Jaseentha
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  5. Thomas Varghese
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Corresponding author

Correspondence to Thomas Varghese.

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Sreedevi, A., Priyanka, K.P., Babitha, K.K. et al. Structural and optical modifications of the Ag2WO4/CoPc nanocomposite for potential applications. Eur. Phys. J. Plus 131, 7 (2016). https://doi.org/10.1140/epjp/i2016-16007-9

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  • DOI: https://doi.org/10.1140/epjp/i2016-16007-9

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