Fig. 2: Comparison of the optical properties, the microstructures, and interchain interactions. | Nature Communications

Fig. 2: Comparison of the optical properties, the microstructures, and interchain interactions.

From: Approaching disorder-tolerant semiconducting polymers

Fig. 2: Comparison of the optical properties, the microstructures, and interchain interactions.The alternative text for this image may have been generated using AI.

a, b Normalized absorption spectra of both P(PzDPP-2FT) and P(PzDPP-4F2T) in solution, thin film, and annealed film. c Normalized absorption (solid lines) and photoluminescence (dash lines) (λex = 460 nm) spectra of the polymer solutions. d, e Schematic illustration of the possible microstructures of both polymers in solution. The red dot in the figure represents the crosslinking points or strong interchain short contacts. f Viscosity comparison of both polymer solutions as a function of concentration at 20 °C.

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