Fast and ultrafast charge transfer dynamics in organic dye sensitizers anchored on TiO 2 for photoelectrochemical cells

Key Points

• This research aims to explore the charge-carrier dynamics in organic dye sensitizers for photoelectrochemical systems.
• Utilized ultrafast transient absorption spectroscopy to analyze charge transfer
• Focused on three push-pull dye compounds
• Assessed performance in dye-sensitized photoelectrochemical cell applications.
• Identified rapid charge transfer dynamics in the three dye systems examined
• Observed significant differences in charge-carrier lifetimes across the dyes
• Demonstrated potential improvements in energy conversion efficiency.