| Summary: | A new compound, Bi<sub>2</sub>O<sub>2</sub>CO<sub>3</sub>:Al, was synthesized by the coprecipitation method. The characterization was done by X-ray diffraction (XRD), Fourier transformed infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), electronic scanning microscopy (SEM), and energy dispersive X-ray spectroscopy (EDX). The characterization methods allowed to identify the Bi<sub>2</sub>O<sub>2</sub>CO<sub>3</sub>:Al compound, such as the Al-doped Bi<sub>2</sub>O<sub>2</sub>CO<sub>3</sub> by XRD, the anionic part (CO<sub>3</sub><sup>2−</sup>) by FTIR, and the presence of aluminum in the compound by XPS and EDX. It was confirmed to have a nanostructure like a nanosheet and a microstructure that resembles a type sponge by SEM.
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