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Structure and Optical Properties of (CdS–ZnS): Cu and Ag Films Obtained by Aerosol Pyrolysis

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Abstract

The results of the study of CdS–ZnS films obtained by aerosol pyrolysis of solutions of thiourea coordination compounds [Cd(N2H4CS)2Br2] and [Zn(N2H4CS)2Br2] at a temperature of 400°C and impurities doped with copper and silver at a concentration of 10–7 to 10–2 at % are presented. The crystal structure, phase composition, and surface morphology of the synthesized films are studied by X-ray phase analysis, scanning electron microscopy, and atomic force microscopy. It is found that, under these conditions, Cd1 — xZnxS solid solutions of a wurtzite structure are formed. In the range of activator concentrations 10–7–10–5 at %, the Cd1 — xZnxS:Cu layers luminesce more intensely. For films doped with copper ions, the highest luminescence intensity is observed at a concentration of 10–6 at %, and with the introduction of an impurity of silver ions of 10–4 at %.

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Funding

This study was supported by the Russian Foundation for Basic Research as part of scientific project no. 18-33-01215 mol_a.

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Authors and Affiliations

  1. Voronezh State University, 394006, Voronezh, Russia

    T. V. Samofalova, A. V. Naumov, V. N. Semenov & E. Yu. Proskurina

  2. Resource Center Thermogravimetric and Calorimetric Research Methods of Science Park, St. Petersburg State University, 198504, Peterhof, Russia

    E. N. Malygina

Authors
  1. T. V. Samofalova
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  2. A. V. Naumov
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  3. V. N. Semenov
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  4. E. Yu. Proskurina
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Correspondence to T. V. Samofalova.

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Translated by V. Selikhanovich

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Samofalova, T.V., Naumov, A.V., Semenov, V.N. et al. Structure and Optical Properties of (CdS–ZnS): Cu and Ag Films Obtained by Aerosol Pyrolysis. Glass Phys Chem 46, 589–597 (2020). https://doi.org/10.1134/S108765962006019X

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  • DOI: https://doi.org/10.1134/S108765962006019X

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