Research Article

Effect of Precursor Concentration on Structural Optical and Electrical Properties of NiO Thin Films Prepared by Spray Pyrolysis

Figure 4

FT-IR spectra of NiO thin films prepared at 500°C with different precursor concentration, (d, e) samples prepared with 0.05 and 0.1 M, (a, b, c) with 0.015, 0.03, and 0.04 M.