BODIPY-pyrene and perylene dyads as heavy atom-free singlet oxygen sensitizers
AuthorsFilatov, Mikhail A.
Polestshuk, Pavel M.
Flanagan, Keith J.
Senge, Mathias O.
KAUST DepartmentPhysical Sciences and Engineering (PSE) Division
Materials Science and Engineering Program
KAUST Solar Center (KSC)
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AbstractDyads combining BODIPY as an electron acceptor and pyrene or perylene as electron donor subunits were prepared and studied their photophysical properties studied by steady-state and transient spectroscopy. Depending on the structure of the subunits and polarity of the media, the dyads show either bright fluorescence or photo-induced electron transfer (PeT) in solution. Charge-transfer (CT) states formed as a result of PeT and were found to yield triplet excited states of the BODIPY. In the presence of molecular oxygen, the dyads sensitize singlet oxygen (1O2) with quantum yields of up to 0.75.
CitationFilatov MA, Karuthedath S, Polestshuk PM, Callaghan S, Flanagan KJ, et al. (2018) BODIPY-pyrene and perylene dyads as heavy atom-free singlet oxygen sensitizers. ChemPhotoChem. Available: http://dx.doi.org/10.1002/cptc.201800020.
SponsorsThis work was supported by grants from the European Commission (CONSORT, Grant No. 655142), Science Foundation Ireland (SFI IvP 13/IA/1894) and the Irish Research Council (GOIPG/2016/1250). The research reported in this publication was supported by funding from King Abdullah University of Science and Technology (KAUST).