Perovskite-Silicon Tandem Solar Cells for High Efficiency Photovoltaics

Over the past few decades, solar cell research has undergone a shift from silicon to richer materials and richer structures. The increase in Power Conversion Efficiency (PCE) and industrial application is the most concerning issue. Perovskite-Silicon Tandem Solar cells (PSTSC) have emerged as a promising pathway to surpass the Shockley-Queisser efficiency limit of single-junction photovoltaics. The highest PCE of PSTSC reported from NREL is 34.85%, done by LONGi, Xian, China. This review comprehensively analyzes recent advancements in device architectures, interfacial engineering, and stability optimization, while discussing challenges for commercialization and making the discussion of the general view about the future development of the PSTSC. Recent progress in device architectures, interfacial engineering, and stability optimization has significantly enhanced their performance and reliability. Key innovationssuch as triple-halide perovskite with piperazinium iodide modification, ultrathin amorphous IZO interlayers, and nanotextured interfaceshave addressed critical challenges in charge transport, optical losses, and recombination. As PSTSCs continue to evolve, their integration into existing silicon PV manufacturing lines could accelerate the transition toward next-generation, high-efficiency solar technologies, ultimately contributing to a sustainable and decarbonized energy future.