Figure 1: Polymer–fullerene heterostructure NPs. | Nature Communications

Figure 1: Polymer–fullerene heterostructure NPs.

From: Vibrational coherence probes the mechanism of ultrafast electron transfer in polymer–fullerene blends

Figure 1

(a) Schematic illustration of P3HT/PCBM-blended NP structure: light blue ellipses represent excitons; light blue circles and red circles/ellipse represent holes and electrons, respectively; blue and red arrows represent the direction of hole and electron motion, respectively; the green circle represents a bound electron–hole pair. (b) absorption spectra of neat P3HT, P3HT/10%PCBM, P3HT/20%PCBM NP aqueous suspensions and excitation pulse spectrum.

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