39 The composition dependence shown in Figure 2 a reveals a clear trend of suppressed CT PL from the films with a higher fullerene content, which correlates with the suppression of geminate CT state recombination observed in our transient absorption data.
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Spectroscopic Investigation of the Effect of Microstructure and Energetic Offset on the Nature of Interfacial Charge Transfer States in Polymer: Fullerene Blends.
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