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Effect of nanocrystals concentration on optical and luminescent properties of PVK:ZnSe nanocomposites

Identyfikatory
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
This work presents a systematic study of the effect of ZnSe nanocrystals (NCs) concentration on the optical and luminescent properties of poly N-vinylcarbazole (PVK) polymer nanocomposites. The ZnSe nanocrystals were synthesized by a simple co-precipitation chemical route, while PVK:ZnSe nanocomposite films were fabricated using the spin coating technique. The samples were characterized by XRD, TEM, SEM, UV-Vis and fluorescence techniques. The X-ray diffraction and TEM studies confirmed the particle size, microstructure and spherical shape of the synthesized nanocrystals. The ZnSe nanocrystals in PVK caused a decrease in optical gap with increasing concentration of nanocrystals. The emission spectra exhibited augmentation in intensity up to 70 wt.% of nanoparticles while further addition resulted in a decrease in luminescence. The structure-property relationships obtained for the present system are important for developing low cost illumination devices.
Rocznik
Strony
494--500
Opis fizyczny
Bibliogr. 27 poz., rys.
Twórcy
autor
  • Department of Physics, DAV University, Sarmastpur, Jalandhar-144012, India
  • Dr. Shanti Swarup Bhatnagar University Institute of Chemical Engineering and Technology, Panjab University, Chandigarh-160014, India
autor
  • Department of Physics, DAV University, Sarmastpur, Jalandhar-144012, India, prafiziks@gmail.com
autor
  • Dr. Shanti Swarup Bhatnagar University Institute of Chemical Engineering and Technology, Panjab University, Chandigarh-160014, India
  • Center for Nanoscience & Nanotechnology, UIEAST, Panjab University, Chandigarh-160014, India
Bibliografia
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  • [10] BENCHAABANE A., BEN H.Z., TELFAH A., Mater. Sci. Semicond. Proc., 64 (2017), 115.
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  • [21] HEIBA Z.K., MOHAMED M.B., IMAM N.G., J. Mol. Struct., 1094 (2015), 91.
  • [22] SHIKHA D., MEHTA V., SHARMA J., J. Mater. Sci.- Mater. El., 28 (2017), 8359.
  • [23] SHARMA K., KUMAR P., Mater. Focus, 6 (6) (2017), 652
  • [24] AZIZI S., BALHAJ M., ZARGOUNI S., DRIDI C., Appl. Phys. A-Mater., 123 (2017), 475
  • [25] BENCHAABANE A., HAMED Z.B., KOUKI F., SANHOURY M.A., ZELLAMA K., ZEINERT A., BOUCHRIHA H., J. Appl. Phys., 115 (2014), 134313
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Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-9f6104d3-f6cf-4b27-893e-723ed5aecc58
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