Time-Resolved Raman Spectroscopy of Polaron Pair Formation in Poly(3-hexylthiophene) Aggregates.

Abstract

The ultrafast formation of bound charge pairs, or polaron pairs (PPs), in mixed-order aggregates of poly(3-hexylthiophene) was investigated using femtosecond stimulated Raman spectroscopy (FSRS). Spectral dynamics in the carbon-carbon stretching region reveal a significant photoinduced depletion in steady-state features associated with lamellar-stacked… (More)
DOI: 10.1021/jz502605j

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