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

Jieyu Tang; Sveva Linarello; Wenbin Chen; Yuqi Hou; Yanran Wu; Jianzhang Zhao; Antonio Barbon; Antonio Toffoletti; Bernhard Dick; Ming-De Li

doi:10.1039/d5cp04742k

January 1, 2026Physical Chemistry Chemical Physics

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

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Key Points

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

Implication

Spectral analysis uncovers intersystem crossing effects in thionated perinones, indicating changes in spin dynamics.

Abstract

We studied the intersystem crossing (ISC) and triplet states of thionated perinones to assess how the thionation of the carbonyl group in a chromophore affects these processes or properties. The...

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Cite This Study

Tang et al. (2026) studied this question.

synapsesocial.com/papers/69aa7048531e4c4a9ff59f7b https://doi.org/10.1039/d5cp04742k

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

Key Points

Implication

Abstract

Discussion

Cite This Study

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

Key Points

Implication

Abstract

Discussion

Cite This Study

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