Journal of Materials Science

, Volume 52, Issue 5, pp 2895–2901 | Cite as

Synthesis and characterization of PLD glass phosphate films doped with CdS

  • M. Elisa
  • C. R. Iordanescu
  • I. C. Vasiliu
  • I. D. Feraru
  • G. Epurescu
  • M. Filipescu
  • C. Plapcianu
  • C. Bartha
  • R. Trusca
  • S. Peretz
Original Paper
  • 398 Downloads

Abstract

In the present work, optical, structural and morphological properties of CdS-doped phosphate films obtained by pulsed laser deposition (PLD) method were investigated. In the deposition process, a target based on a mixture composed of Li2O-Al2O3-BaO-La2O3-ZnO-P2O5 glass and CdS powder as dopant was used. The phosphate glass target was obtained by non-conventional wet route of raw reagents processing followed by melt-quenching technique. The complex oxide composition of the glass as well as the final PLD target consisting in a mixture of glass and CdS powder followed by pressing and heat treatment represents the novelty of the work. CdS dopant particles were highlighted by X-ray diffraction analysis as well as by Raman spectroscopy. Thus, cubic CdS particles having less than 10 nm size corroborated with specific LO (longitudinal optical phonons) and 2LO CdS Raman peaks from 300 and 600 cm−1, respectively, certified the presence of the dopant in the deposited films. Specific vibration modes for the vitreous phosphate matrix were revealed by fourier transform infrared spectroscopy, and spherulitic units characteristic to PLD technique were found by scanning electron microscopy and atomic force microscopy analyses. A relative large luminescence band located around 430 nm was provided by UV excitation, representative for CdS nanoparticles having about 9–10 nm size.

Notes

Acknowledgements

The authors are grateful to UEFISCDI (Executive Unity for Financing of Higher Education, Research and Innovation) for the financial support in the frame of the projects 51/2011 Ideas-Program, and SEM analyses on samples were possible due to EU-funding Grant POSCCE-A2-O2.2.1-2013-1/Priority direction 2, Project No.638/12.c03.2014, cod SMIS-CSrNR 48652.

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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • M. Elisa
    • 1
  • C. R. Iordanescu
    • 1
  • I. C. Vasiliu
    • 1
  • I. D. Feraru
    • 1
  • G. Epurescu
    • 2
  • M. Filipescu
    • 2
  • C. Plapcianu
    • 3
  • C. Bartha
    • 3
  • R. Trusca
    • 4
  • S. Peretz
    • 5
  1. 1.National Institute of R & D for Optoelectronics INOE 2000MagureleRomania
  2. 2.National Institute for Laser, Plasma and Radiation PhysicsMagureleRomania
  3. 3.National Institute of Materials PhysicsMagureleRomania
  4. 4.S.C. METAV – CDBucharestRomania
  5. 5.Institute of Physical Chemistry “I. Murgulescu”Romanian AcademyBucharestRomania

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