Bodipy Dimer for Enhancing Triplet-Triplet Annihilation Upconversion Performance
Min Gao,
Le Zeng,
Linhan Jiang,
Mingyu Zhang,
Yong Chen,
Ling Huang
Affiliations
Min Gao
Jiangxi Key Laboratory for Microscale Interdisciplinary Study, Institute for Advanced Study, Nanchang University, Nanchang 330031, China
Le Zeng
Research Center for Analytical Sciences and Tianjin Key Laboratory of Biosensing and Molecular Recognition, Haihe Laboratory of Sustainable Chemical Transformations, College of Chemistry, Nankai University, Tianjin 300192, China
Linhan Jiang
Research Center for Analytical Sciences and Tianjin Key Laboratory of Biosensing and Molecular Recognition, Haihe Laboratory of Sustainable Chemical Transformations, College of Chemistry, Nankai University, Tianjin 300192, China
Mingyu Zhang
Research Center for Analytical Sciences and Tianjin Key Laboratory of Biosensing and Molecular Recognition, Haihe Laboratory of Sustainable Chemical Transformations, College of Chemistry, Nankai University, Tianjin 300192, China
Yong Chen
Jiangxi Key Laboratory for Microscale Interdisciplinary Study, Institute for Advanced Study, Nanchang University, Nanchang 330031, China
Ling Huang
Research Center for Analytical Sciences and Tianjin Key Laboratory of Biosensing and Molecular Recognition, Haihe Laboratory of Sustainable Chemical Transformations, College of Chemistry, Nankai University, Tianjin 300192, China
Triplet-triplet annihilation upconversion (TTA-UC) has considerable potential for emerging applications in bioimaging, optogenetics, photoredox catalysis, solar energy harvesting, etc. Fluoroboron dipyrrole (Bodipy) dyes are an essential type of annihilator in TTA-UC. However, conventional Bodipy dyes generally have large molar extinction coefficients and small Stokes shifts (ηUC) for PdTPBP/B-2 (10.7%) than for PdTPBP/B-1 (4.0%). This study proposes a new strategy to expand Bodipy Stokes shifts and improve TTA-UC performance, which can facilitate the application of TTA-UC in photonics and biophotonics.
