Science· 2025Q1
Improved solvent systems for commercially viable perovskite photovoltaic modules
- 97citations
- Q1SCImago
- 2025year
Short summary
A novel green solvent ink and edge-protection strategy enabled the manufacturing of 7200 cm² perovskite photovoltaic modules with 17.2% efficiency, passing IEC 61215 reliability standards.
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Abstract
Commercializing perovskite photovoltaics requires overcoming three critical barriers: the use of toxic solvents in manufacturing, variations in perovskite film quality across large areas, and limited operational reliability. Here, we address these challenges by developing a green solvent-based (γ-valerolactone/2-methyl tetrahydrofuran/dimethylsulfoxide) ink and a solvent-confinement edge-protection strategy, demonstrating large-scale manufacturing of defect-minimized perovskite films under ambient-air conditions. These approaches enabled the production of 7200-square-centimeter perovskite photovoltaic modules that achieved a total-area steady-state efficiency of 17.2% (certified by the National Renewable Energy Laboratory) and that passed all IEC 61215 reliability standards (certified by TÜV Rheinland). This work demonstrates an environmentally responsible path toward commercial manufacturing of perovskite photovoltaics.
The authors' abstract, as published at the source. Science, 2025 · DOI ↗
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