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Top: Upon visible light illumination, primary photoexcitation states S1 are created within the polymer NPs, which can give rise to the creation of polaronic charged states P± or to nonradiative release of the excess energy ΔE. Bottom: different decay paths of the NP photoexcited states are shown: (A) photothermal excitation and heat release, (B) photoelectrochemical oxidation processes, and (C) electrical polarization.
