Fig. 5From: Identification of a bridge-specific intramolecular exciton dissociation pathway in donor–π–acceptor alternating conjugated polymersTransient absorption spectral peak-fitted of HSD-A (a) and HSD-B (b) and HSD-C (c) at the delay time of 2 ps in the infrared range. Black curve represents the absorption spectrum of the samples at 2 ps, red curve is the fitted absorption spectrum, and the green is the spectral signal identified in the spectrumBack to article page