X-ray diffraction patterns of CdS nanofilms after thermal treatment for different S/Cd molar concentrations.
SEM micrographs of CdS nanofilms for varying S/Cd molar ratios.
Transmission spectra of CdS nanofilms for varying S/Cd molar ratios and inset show plot of absorption coefficient (α) versus wavelength.
Plot of (αhν)2 versus (hν) for varying S/Cd molar ratios.
Plot of blue shift (ΔEg ) versus crystallite size obtained by XRD, EMA, and TBM.
Dependence of blue shift (ΔEg ) and crystallite size (Dhkl ) of CdS nanofilms on S/Cd molar ratios.
Values of S/Cd molar ratio, film thickness (t), Bragg angle (2θ), grain size (Dhkl ), inter-planar spacing (dhkl ), packing factor (p), optical band gap (Eg ), absorption coefficient (α), and blue shift (ΔEg ) for all films.
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