Journal of Materials Science

, Volume 32, Issue 11, pp 3001-3006

First online:

Transparent conducting lithium-doped nickel oxide thin films by spray pyrolysis technique

  • P PuspharajahAffiliated withInstitute of Advanced Studies, University of Malaya
  • , S RadhakrishnaAffiliated withPhysics Division, Centre for Foundation Studies in Science, University of Malaya
  • , A. K Arof

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Nickel oxide (NiO) and lithium-doped nickel oxide films were deposited by the spray pyrolysis technique using NiCl2 and LiCl as starting materials. All the films were greenish-grey in colour and confirmed by X-ray analysis. The best NiO films were obtained when the substrate temperature, Ts=480 °C where a conductivity of 2.1×10-1Ω-1 cm-1 and transparency above 80% in the visible region are achieved. High transparency (above 80%) and highly conducting NiO films were obtained when doped with lithium.