Intersystem crossing and spin dynamics of thionated perinones: combined steady state/transient optical and electron paramagnetic resonance spectral analysis

Puntos clave

• The study aims to assess the impact of thionation on intersystem crossing and triplet states in thionated perinones.
• Combined steady state and transient optical spectral analysis
• Electron paramagnetic resonance (EPR) measurements
• Comparison of thionated and non-thionated perinones
• Identified distinct triplet state behaviors in thionated compounds
• Intersystem crossing rates were modified by thionation of the carbonyl group
• EPR analysis revealed changes in spin dynamics associated with thionation