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Synthetic routes to advancing perovskite solar cells through interface design
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DOI：10.1038/s44160-026-01033-4.png)
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Abstract
En 中文
Since the first demonstration in the early 2010s, perovskite solar cells (PSCs) have emerged as a promising next-generation photovoltaic technology. With power conversion efficiencies improving at a rate of approximately 1% per year, PSCs are approaching energy-efficiency parity with silicon-based photovoltaics. As single-junction efficiency gains begin to plateau, research efforts are increasingly directed towards addressing operating stability while maintaining device performance. Defects and impurities at the interface compromise long-term stability and limit device efficiency. Consequently, interface passivation has emerged as a central focus of the field. We emphasize three emerging strategies to improve how interfaces are constructed and engineered in PSCs: multifunctional passivation molecules suppress non-radiative losses and ion migration through cooperative interactions; heterostructure interfaces modulate band alignment and defect landscapes; and self-assembled monolayers offer molecular control over surface energetics and thin-film growth. These approaches target the root causes of performance loss and together tackle pressing topics in PSCs.
Interface engineering is promising for advancing perovskite solar cell (PSC) performance and longevity. This Review highlights three emerging strategies for interfacial optimization in PSCs: multifunctional molecular passivation, heterostructures and self-assembled monolayers. The authors discuss relevant materials, assess their limitations and outline challenges and prospective directions for future research.
Keywords:
Solar cells
Chemistry/Food Science
general