• Size dependent optical characteristics of chemically deposited nanostructured ZnS thin films

    • Fulltext

       

        Click here to view fulltext PDF


      Permanent link:
      https://www.ias.ac.in/article/fulltext/boms/030/02/0147-0151

    • Keywords

       

      Thin film; ZnS; CBD method; optical properties.

    • Abstract

       

      ZnS thin films of different thicknesses were prepared by chemical bath deposition using thiourea and zinc acetate as S2- and Zn2+ source. The effect of film thickness on the optical and structural properties was studied. The optical absorption studies in the wavelength range 250–750 nm show that band gap energy of ZnS increases from 3.68–4.10 eV as thickness varied from 332–76 nm. The structural estimation shows variation in grain size from 6.9–17.8 nm with thickness. The thermoemf measurement indicates that films prepared by this method are of 𝑛-type.

    • Author Affiliations

       

      A U Ubale1 V S Sangawar1 D K Kulkarni2

      1. Department of Physics, Govt. Vidarbha Institute of Science and Humanities, Amravati 444 604, India
      2. Department of Physics, Institute of Science, Nagpur 440 001, India
    • Dates

       

© 2017-2019 Indian Academy of Sciences, Bengaluru.