Abstract
In this paper, pure and doped (SnO2:Pd ) films with CeO2 nanoparticles prepared by PLD technique using a highly intense Nd:YAG laser beam at 600 mJ with a frequency of second radiation at 1064 nm (pulse width 9 ns) repeating frequency (6 Hz) for 400 laser pulses incident on the intended surface has been performed. The stabilized (SnO2:Pd) doped with cerium oxide were used for deposition of the thin films on glass with thickness 200nm±05. Films of SnO2:pd were prepared with different doping concentrations of CeO2(0, 0.05, 0.10,0.15,0.20 and 0.25) wt. The FTIR and UV-Visible spectrophotometer were employed to investigate the structural, and optical characteristics of the films, respectively. FTIR spectra of (SnO2:Pd)1-xCeO2x thin films show seven peaks were assigned at wavenumber range from 2869.73 cm-1 belong to stretching bond CH2 to 492.98 cm-1 belong to N-O which can be indicated by the vibrations mode .The optical results show that transmittance decreased drastically by increasing the doping ratio. In contrast with absorbance, it increased by increasing of the doping ratio of cerium oxide. The optical energy gap was found to change systematic sequence with increasing of CeO2 concentration. Also the optical constant with different CeO2 contents were determined..
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