Porphyrin–Thieno3,2-b thiophene Hole-Transport Materials Enabling Long-Lived Radical Ion Pairs and High-Performance Perovskite Solar Cells

Key Points

• This research aims to develop and analyze porphyrin-based hole-transporting materials for use in perovskite solar cells.
• Synthesize porphyrin-thieno[3,2-b] thiophene hole-transport materials
• Evaluate charge-transporting properties
• Test performance in perovskite solar cells
• Demonstrated long-lived radical ion pairs in the new materials
• Achieved high efficiency in perovskite solar cells
• Showed significant improvement in long-term stability