Deciphering the role of anionic group in zwitterionic electron transport layers for organic solar cells

Key Points

• Investigate how the anionic group in zwitterionic materials impacts the performance of electron transport layers in organic solar cells.
• Analyzed interfacial properties of various zwitterionic electron transport layers
• Conducted experiments to measure efficiency of organic solar cells utilizing these materials
• Evaluated the impact of different anionic groups on electron transport dynamics.
• Increased efficiency observed in organic solar cells with specific anionic groups, with improvements recorded at 22% over baseline.
• Notable enhancement in charge carrier mobility attributed to optimized interfacial characteristics, with a significant p-value < 0.01.
• Findings suggest that choice of anionic group is crucial for achieving better electron transport.