Ultrafast charge dynamics of diketopyrrolopyrrole-based terpolymers for optoelectronic applications: impact of acceptor concentrations and thermal annealing

Key Points

• The central aim is to explore the charge dynamics of diketopyrrolopyrrole-based terpolymers and how they relate to different acceptor concentrations and thermal annealing.
• Analyzed ultrafast charge dynamics of DPP-based terpolymers.
• Varying acceptor concentrations to assess impacts on optoelectronic properties.
• Applied thermal annealing to evaluate effects on morphology and stability.
• Observed enhanced charge dynamics at optimal acceptor concentrations.
• Indicated improved efficiency in organic solar cells with thermal annealing.
• Demonstrated tunable optical properties through random terpolymerization strategies.