The impact of carotenoid energy levels on the exciton dynamics and singlet-triplet annihilation in the bacterial Light-Harvesting 2 complex
Sagar Satpathi, Marvin Asido, Matthew S. Proctor, Jakub Pšenčı́k, Graham P. Schmidt, Dihao Wang, Elizabeth C. Martin, Gabriela S. Schlau‐Cohen, Andrew Hitchcock, Peter G. Adams
This paper investigates how varying carotenoid conjugation lengths in bacterial LH2 complexes affect exciton dynamics and singlet-triplet annihilation, revealing that lower carotenoid triplet energy improves BChl triplet quenching.
bioRxiv · Sep 5, 2025 · PreprintBiophysics