inverted architecture
JA Solar’s interface hack pushes inverted perovskites to 26.7% efficiency
JA Solar researchers used a multifunctional ammonium salt to passivate defects and flip the interfacial field in inverted perovskites, hitting 26.7% efficiency with strong thermal stability.
Nov 21, 2025 // Technology, JA Solar, perovskite, efficiency, interface passivation, inverted architecture
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