Excimer-Mediated Multiexciton Generation in Covalently Linked Cross Foldamers of Thiophene-Fused Perylene Bisimides

Key Points

• The aim is to understand the structural and electronic factors affecting excimer-mediated multiexciton generation in organic photovoltaics.
• Investigated the relationship between structural features and multiexciton generation.
• Analyzed the electronic properties of covalently linked cross foldamers.
• Conducted experimental assessments of singlet fission performance.
• Identified key structural determinants of excimer formation, enhancing multiexciton production efficiency.
• Measured significant improvements in singlet fission rates under varying conditions.
• Demonstrated the potential to exceed traditional efficiency limits in organic solar cells.

Abstract