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. 2019 Jan 25;24(3):431. doi: 10.3390/molecules24030431

Figure 2.

Figure 2

(a) Femtosecond time-resolved near-IR inverse Raman spectra of a pristine P3HT film; (b) femtosecond time-resolved near-IR inverse Raman spectra of a P3HT:PCBM blend film. The samples were photoexcited with energy density of 60 μJ cm−2 for the actinic pump pulse. Wavelengths of the actinic and Raman pump pulses was 480 and 1190 nm, respectively.