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    • Keywords


      ZnO; ZnO:In; chemical spray pyrolysis technique.

    • Abstract


      We report the conducting and transparent In doped ZnO films fabricated by a homemade chemical spray pyrolysis system (CSPT). The effect of In concentration on the structural, morphological, electrical and optical properties have been studied. These films are found to show (0 0 2) preferential growth at low indium concentrations. An increase in In concentration causes a decrease in crystalline quality of films as confirmed by X-ray diffraction technique which leads to the introduction of defects in ZnO. Indium doping also significantly increased the electron concentrations, making the films heavily 𝑛 type. However, the crystallinity and surface roughness of the films decreases with increase in indium doping content likely as a result of the formation of smaller grain size, which is clearly displayed in AFM images. Typical optical transmittance values in the order of (80%) were obtained for all films. The lowest resistivity value of 0.045 𝛺-m was obtained for film with 5% indium doping.

    • Author Affiliations


      Girjesh Singh1 S B Shrivastava1 Deepti Jain2 Swati Pandya2 T Shripathi2 V Ganesan2

      1. School of Studies in Physics, Vikram University, Ujjain 456 010, India
      2. UGC-DAE-Consortium for Scientific Research, Khandwa Road, Indore 452 017, India
    • Dates

  • Bulletin of Materials Science | News

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      Prof. Subi Jacob George — Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru
      Chemical Sciences 2020

      Prof. Surajit Dhara — School of Physics, University of Hyderabad, Hyderabad
      Physical Sciences 2020

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      Posted on July 25, 2019

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