Barium zirconate (BaZrO₃) is a class of perovskite material. Due to their cheap cost, excellent performance, and solution processability, organic/ inorganic perovskites are promising materials for next-generation photovoltaics. Perovskites are used in tandem solar cells, building-integrated photovoltaics, space applications, energy storage systems, and photovoltaic-driven catalysis due to their unique properties and rapid advances in solar cell performance. This review highlights photovoltaic-integrated technology advances. Discussed are current and future issues and possible next-generation applications in various sectors. The solution combustion approach has been used to create a gadolinium activated BaZrO₃ phosphor. The X-ray diffraction (XRD) techniques pattern of prepared phosphor powder exhibits a pure cubic crystal structure. The surface structure phosphor is examined using scanning electron microscopy (SEM) and powder. The main band in the excitation spectra has a maximum at 254 nm. The emission spectrum shows a well-defined ultraviolet B (UVB) emission band with a maximum at 318 nm, which corresponds to the 6P7/2/8S7/2 transition, upon stimulation at 254 nm. Due to the emitted UVB emission prepared phosphor can be used as a potential candidate for the photodynamic therapy application.

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