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Improved solvent systems for the commercialization of perovskite photovoltaic modules

Authors: Zhaoyang Chu; Xiaotian Hu; Yiwang Chen

DOI: 10.1088/1674-4926/26020044Status: Verified Translated Edition
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Key Findings in This Report

• Eco-friendly solvent system (GVL, DMSO, 2-MeTHF) replaces toxic DMF/NMP for perovskite ink, enabling safer and faster manufacturing. • Solvent-constrained edge-protection (SCEP) strategy improves film edge quality and reduces defect density, critical for large-area modules. • Achieved certified stabilized efficiency of 17.2% on 7200 cm² perovskite photovoltaic modules, passing IEC 61215 reliability standards. • Demonstrated commercial-scale module fabrication (120 cm × 60 cm) with enhanced adhesion and interface properties via 2-MeTHF selection.