Physical properties evaluation of nebulized spray pyrolysis prepared Nd doped ZnO thin films for opto-electronic applications

  • A. Rohini Devi
  • A. Jegatha Christy
  • K. Deva Arun Kumar
  • S. Valanarasu
  • Mohamed S. Hamdy
  • K. S. Al-Namshah
  • Abdullah M. Alhanash
  • Dhanasekaran VikramanEmail author
  • Hyun-Seok KimEmail author


Thin films of neodymium (Nd) doped zinc oxide (NZO) were coated onto glass substrates at 400 °C by nebulized spray pyrolysis using different doping weight percentage (wt%) of Nd. The prepared films were exhibited in hexagonal structure of polycrystalline nature along with (002) preferential orientation. Morphological properties and elemental compositions were performed by scanning electron microscopy and energy dispersive by X-ray, respectively. Tauc’s plot discovered the optical energy band gap of 3.17 eV for 5 wt% Nd doped NZO film. PL profiles depicted a solid green emission peak at around 680 nm at room temperature. Optical constants such as refractive indices, dielectric constants, carrier concentration and plasma frequency were evaluated for NZO through optical approximation route. Hall mobility and carrier concentrations were enhanced with rise of Nd doping wt%. A drastic change in the resistivity was observed due to incorporation of Nd dopant and it has evidently demonstrated in detail.



The authors extend their appreciation to the Deanship of Scientific Research at King Khalid University for funding this work through General Research Project under grant number (R.G.P.1/45/39). Also, this work was partly supported by the Ministry of Trade, Industry and Energy (MOTIE, Korea) under Sensor Industrial Technology Innovation Program (No. 10063682), and the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (2017R1D1A1A09000823).


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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of PhysicsJayaraj Annapackiam College for WomenTheniIndia
  2. 2.PG and Research Department of PhysicsArul Anandar CollegeMaduraiIndia
  3. 3.Chemistry Department, College of ScienceKing Khalid UniversityAbhaSaudi Arabia
  4. 4.Division of Electronics and Electrical EngineeringDongguk University-SeoulSeoulRepublic of Korea

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