Executive Summary : | Solar energy conversion is a long-term goal requiring efficient, cost-effective, and stable solar cells. Recent advancements in binary blends of polymer donors and acceptors in bulk-heterojunctions and inorganic-organic hybrid lead halide perovskites have led to significant progress in low-cost and high-efficiency solar cell fabrication. Polymer solar cells (PSCs) have a maximum power conversion efficiency (PCE) of approximately 17%, while perovskite solar cells (PrSCs) have a maximum PCE of around 25%. To meet commercial requirements for high-throughput manufacturing processes, cost-effectiveness, ease of fabrication, scalability, and low-temperature processing technologies are crucial. Intensive research and development efforts are being conducted worldwide to enhance the performance of these solar cell technologies. Colloidal quantum dots, such as carbon, CdSe, CdS, PbSe, PbS, and ZnO, have attracted interest due to their tunable optoelectronic properties, high electron mobility, and excellent thermal and chemical stability. Interface engineering and active layer engineering utilizing these materials in PSCs and PrSCs have shown promising PCEs of up to 18% and 16%, respectively. However, these quantum dots often contain defects, resulting in a loss of PCE. The present project aims to fabricate low-cost and high-performance organic-inorganic hybrid solar cells using efficient perovskite quantum dots (CsPbI3 and FAPbI3) through active layer additive engineering. Extensive investigations into the photovoltaic performance of these devices will be conducted, aiming to achieve significant improvements in power conversion efficiency, device stability, and operational lifetime. |