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Creators/Authors contains: "Meixner, Alfred J"

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  1. ; ; ; ; ; ; (, Electronic Structure)
    Abstract The application potential of singlet fission (SF), describing the spontaneous conversion of an excited singlet into two triplets, underlines the necessity to independently control SF rates, energetics and the optical band gap. Heterofission, whereby the singlet splits into triplets on chemically distinct chromophores, is a promising approach to control the above-mentioned parameters, but its details are not yet fully understood. Here, we investigate the photophysics of blends of two prototypical SF chromophores, tetracene (TET) and rubrene (RUB) using time-resolved photoluminescence spectroscopy and time-correlated single photon counting to explore the potential for heterofission in combinations of endothermic SF chromophores. 
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