Abstract:Effect of bimodal size distribution (BSD) on optical properties of electrodeposited CdSe nanocrystalline thin films is reported. Grazing angle X-ray diffraction identifies two different nanocrystalline size regimes with both compressive and tensile strains coexisting in the same sample. The two size regimes change their size with the change of electrodeposition current density or temperature. Optical absorption studies reveal two absorption edges corresponding to the two different sizes. Presence of two well s… Show more
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