The bismuth oxide (Bi2O3) has attracted great attention due to their applications in several technological fields, such as oxide-ion conductors, piezo-optic materials, solar cells, gas sensors, and ceramic glass manufacturing. Additionally, Bi2O3 is a component of various important electroceramic oxides including Bi-Sr-Ca-Cu-O superconductors, and Sr-Bi-Ta-O/Sr-Bi-Nb-Ta-O ferroelectric oxides, which have applications in non-volatile computer memories. In the present work, we have synthesized the rod-like nanostructures of bismuth oxide (Bi2O3) on sapphire substrates by a reaction of a trimethylbismuth (TMBi) and oxygen (O2) mixture. The produced nanorods had diameters in the range of 40-200 nm. The prepared nanorods had a crystalline Bi2O3 structure. The X-ray energy dispersive spectroscopy revealed that the materials contained elements of Bi and O. Photoluminescence measurements revealed that the Bi2O3 nanorods had visible emission bands.

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