Slow Cooling and Efficient Extraction of Hot Carriers in Perovskite Films via Engineering Trap-Mediated Relaxation Channel

Key Points

• This research aims to enhance the extraction of hot carriers in perovskite films through engineered relaxation channels.
• Investigated the impact of slow cooling techniques on hot carrier dynamics
• Analyzed trap-mediated relaxation processes in perovskite films
• Utilized advanced spectroscopy to characterize electron-phonon interactions
• Demonstrated slow HC relaxation with engineered traps leading to improved efficiency
• Observed longer hot carrier lifetimes under modified conditions, enhancing extraction rate
• Quantified the reduction in thermalization rates by 30% through trap engineering