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. 2021 Apr 9;143(15):5745–5754. doi: 10.1021/jacs.1c00331

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© 2021 The Authors. Published by American Chemical Society

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Time-resolved, delayed upconverted fluorescence from 1,3-DPA₂ in the presence of PtOEP. The emission is measured at 430 nm and at different pump excitation intensities (532 nm). Solid lines are best global fits to eq 5.