Synergistic buried interfacial optimization and phase-composition regulation enable highly efficient Dion-Jacobson perovskite solar cells

Key Points

• The study aims to improve the performance of quasi-two-dimensional perovskite solar cells by addressing buried interface defects and phase composition issues.
• Introduced glycine into the SnO2 electron-transport layer
• Analyzed the impact on buried interface defects
• Regulated the phase composition of perovskite materials
• Significant reduction in interface defects
• Improved phase stability of perovskite
• Enhanced efficiency of perovskite solar cells