Spin-related excited-state phenomena in photochemistry

C Zhang, C Ye, J Yao, LZ Wu - National Science Review, 2024 - academic.oup.com
The spin of electrons plays a vital role in chemical reactions and processes, and the excited
state generated by the absorption of photons shows abundant spin-related phenomena …

Controlling Symmetry-Breaking Charge Separation in Pyrene Bichromophores

J Wega, KF Zhang, J Lacour… - The Journal of Physical …, 2024 - ACS Publications
So far, symmetry-breaking charge separation (SB-CS) has been observed with a limited
number of chromophores and is usually inhibited by the formation of an excimer. We show …

Elucidating the mechanism of bimolecular photoinduced electron transfer reactions

E Vauthey - The Journal of Physical Chemistry B, 2022 - ACS Publications
The current developments in photoredox chemistry are stimulating a renewed interest for
bimolecular photoinduced electron transfer reactions. Their investigation, initiated in the …

[HTML][HTML] Bimolecular photoinduced symmetry-breaking charge separation of perylene in solution

J Wega, E Vauthey - Photochemical & Photobiological Sciences, 2024 - Springer
Photoinduced symmetry-breaking charge separation (SB-CS) results in the generation of
charge carriers through electron transfer between two identical molecules, after …

Solvent and temperature effects on photoinduced proton-coupled electron transfer in the Marcus inverted region

LF Cotter, BP Rimgard, GA Parada… - The Journal of …, 2021 - ACS Publications
Concerted proton-coupled electron transfer (PCET) in the Marcus inverted region was
recently demonstrated (Science 2019, 364, 471–475). Understanding the requirements for …

Magnetic‐Field‐Induced Modulation of Charge‐Recombination Dynamics in a Rosarin‐Fullerene Complex

T Kim, J Kim, XS Ke, JT Brewster, J Oh… - Angewandte …, 2021 - Wiley Online Library
Charge‐recombination processes are critical for photovoltaic applications and should be
suppressed for efficient charge transport. Here, we report that an applied magnetic field (0–1 …

[HTML][HTML] Advances in exploration of photoinduced electron transfer reactions involving small molecules probed by magnetic field effect

B Chakraborty, C Sengupta, S Basu - Journal of Photochemistry and …, 2024 - Elsevier
The review focuses on photoinduced electron transfer (PET) reactions between small
molecules and various kinds of chemical and biological systems using a weak external …

Ion-Pair Dynamics upon Photoinduced Electron Transfer Monitored by Pump–Pump–Probe Spectroscopy

JS Beckwith, B Lang, J Grilj… - The journal of physical …, 2019 - ACS Publications
The excited-state dynamics of the radical anion of perylene (Pe) generated upon
bimolecular photoinduced electron transfer (PET) with a donor was investigated using …

Long-lived photoinduced charge separation in adamantane-bridged donor-acceptor dyads: A case of adamantane bridge conferring orthogonal donor-acceptor …

KB Daisymol, KR Gopidas - Journal of Molecular Structure, 2024 - Elsevier
Abstract Design of compact donor-acceptor dyads that can exhibit charge separated (CS)
state lifetimes extending to the microsecond time domain remains a major challenge even …

Magnetically boosted generation of intracellular reactive oxygen species toward magneto-photodynamic therapy

W Wu, X Guo, C Dai, Z Zhou, H Sun… - The Journal of …, 2022 - ACS Publications
The generation of reactive oxygen species (ROS) in photodynamic therapy (PDT) involves
excited-state intermediates with both singlet and triplet spin configurations, which provides …