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Acid dissociation constant-guided defect passivation for efficient carbon-based planar n-i-p perovskite solar cells
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DOI：10.1016/j.apsusc.2026.168026.png)
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Abstract
En 中文
• pKa-guided design passivates defects in carbon-based CsFA perovskite solar cells. • High-pKa hydantoin offers dual passivation via C=O ⋯ Pb2+ and N–H ⋯ I. • Efficiency enhanced to 14.20% (1 sun) and 30.33% (indoor, 1000 lx). • Scalable cells achieve 10.36% (1 cm2, 1 sun) and 29.38% (indoor). • Better interfacial energetics and defect suppression give 87% stability retention.
Keywords:
Carbon-based perovskite solar cells
pKa-guided interfacial engineering
Lewis-base coordination
Ion migration suppression
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6.9
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6.1W
Citations:
19.4W
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