Abstract
In the current work, CuO spherical and rod-shaped particles has been synthesized with help of co-precipitation technique. XRD studies reveal the presence of phase reversal of CuOH to CuO with single phase monoclinic structure. FT-IR analysis authenticates the occurrence of copper oxide nanostructures with the removal of nitrogen-based vibrations and organic species. FESEM micrographs reveals the formation of interlinked spherical and rod like structured CuO particles with an average size 57 nm. UV–Visible analysis unveils the optical bandgap reduction from 2.62 to 2.04 eV during annealing. XPS analysis portrays the dominant appearance of Cu2+ which confirms the formation of CuO particles inconsistence with XRD and FT-IR results. The improved performance of the prepared photodiode is obtained from I–V characteristics. The excellent optoelectronic properties of the developed photodiode make them suitable for future nano-electronics.
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