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Collection 
This collection supports and amplifies research related to SDG 7 – Affordable and clean energy.
 
Lead-free perovskite solar cells are emerging as a safer and more environmentally conscious alternative to traditional lead-based systems, offering the promise of clean energy without the toxicity concerns that hinder large-scale adoption. Composed of earth-abundant elements like tin, bismuth, or antimony, these materials retain key advantages such as strong light absorption and adjustable band gaps, positioning them as strong contenders in next-generation photovoltaics. However, these materials still face significant challenges, particularly in terms of poor stability, low power conversion efficiencies compared to lead-based perovskites, and issues with tin oxidation or defect-induced recombination losses. Addressing these limitations is crucial to realizing the commercial viability of lead-free perovskite solar technologies.
This Collection will bring together the latest developments in developing and understanding lead-free perovskite solar cells to help bring these to adoption. Topics of interest include:
We welcome the submission of any paper related to lead-free perovskite solar cells. All submissions will be subject to the same review process and editorial standards as regular Communications Materials Articles.
Integrating perovskite photovoltaics with other systems can substantially improve their performance. This Review discusses various integrated perovskite devices for applications including tandem solar cells, buildings, space applications, energy storage, and cell-driven catalysis.
Lead-based halide perovskite solar cells offer attractive power conversion efficiencies, but the release of lead into the environment is a major concern. Here, lead-free, tin-based perovskites are reviewed as an alternative, with a focus on how to extend their long-term stability.
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Communications Materials (Commun Mater)
ISSN 2662-4443 (online)
© 2025 Springer Nature Limited

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