Synergizing experimental and theoretical insights: Unveiling the solar potential of La2NiMnO6 double perovskite for enhanced efficiency and sustainability in photovoltaics

Abstract

Amidst the escalating demand for sustainable energy solutions, this research delves into the competence of double perovskite oxide La2NiMnO6 as a solar cell luminary. Addressing material synthesis, structural intricacies, and device construction, the study responds to the limitations of labour-intensive first-generation Si solar cells along with the toxicity of lead attributed perovskite solar cells, steering towards a revolutionary era. La2NiMnO6 distinctive attributes a formidable dielectric constant, positioning it as a beacon in solar energy. Crafted via sol gel citrate alchemy, its structural, optical, and electronic intricacies were meticulously explored. Experimental insights into the fabrication process, employing optimised spray pyrolysis layers, enrich the narrative. Structural analyses confirm La2NiMnO6 prowess, while optical studies unveil its visible spectrum absorbance. Simulations and the experimental J-V curve show PCEs of 10% and 4.5 %, solidifying the La2NiMnO6 stance in the all-inorganic perovskite solar cell realm. This study propels the evolution of photovoltaic technology, laying pathways for sustainable energy alternatives and setting new benchmarks.