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Synthesis, Characterization, Photocatalytic and Photovoltaic
Applications of a Novel Semiconductor CuPbO Nanomaterial

A new semiconductor CuPbO nanomaterial has been prepared where lead nitrate and copper nitrate
were co-precipitated to form this compound. The high-resolution scanning electron microscopic studies
revealed that CuPbO possesses a nanobundle flower-like structure. XRD confirmed the occurrence of
Cu, Pb & O in the fabricated compound. The size of the nanomaterial is determined for being ~200
nm by high-resolution transmission electron microscopic analysis. The photoluminescence analysis
showed the possible electron transfer and crevasses between Cu and PbO causes recombine of
electron-hole pairs. The ultraviolet-visible diffuse reflectance spectral analysis showed that the
nanomaterial has a low band gap energy. The material was found to be a good recyclable photocatalyst
in the decomposition of diamond green B dye. As a photoelectrode, CuPbO proved its efficiency in
dye-sensitized solar cell applications.