Abstract
Indium zinc oxide (IZO) films were deposited on glass substrates using the rf-magnetron sputtering method and a powder target made up of nanoparticles with a size less than 100 nm. In this study, the optical, structural, and electrical properties of the IZO films deposited using a nanopowder target compared with those of the IZO films deposited using a micropowder target made up of microparticles with a size greater than 30 µm were examined. The IZO films deposited using nanopowder at room temperature were amorphous and showed a low resistivity of 4.5 ×10-4 Ω·cm and a high transmittance over an average of 85% in the visible range, indicating that these films showed more enhanced properties than the IZO film deposited using micropowder. The enhanced properties of the IZO film prepared with nanopowder were considered to be caused by the marked improvement in packing density with increases in refractive index and surface roughness from atomic force microscopy (AFM) images due to the powder target consisting of nanoparticles.
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