iarjetIARJETIARJET2708-5163https://doi.org/10.47310/iarjet.2025.v06i01.004Advancing Efficiency of Silicon-Based Photovoltaic Devices Through Alumina Nanoparticles Integration via Electrochemical SynthesisThe objective of the research project is to develop nanocrystalline Porous Silicon (PSi) coating through the electrochemical etching on the research neuro-type silicon substrates. In identifying the size and structure of nanoscale properties, the X-ray diffraction analysis, Fourier-transform infrared spectroscopy and atomic force microscopy have been entirely employed to characterize the produced material in nanoscale. Synthesis of colloidal nanoparticles involved electrolytic reaction with the alumina nanoparticles (Al2O3) and preparation of the alumina nanoparticles as a thin film was done by drop-casting technique. The nanoparticles of Al2O3 were studied in an appropriate manner in terms of their morphology, structure and optical properties. It was disclosed that when these nanoparticles were incorporated in the porous silicon photovoltaic system, the solar cell system of Al2O3/PSi/Si/Al had phenomenal results concerning the performance indicators of the system.