Controlling Symmetry Breaking Charge Transfer in BODIPY Pairs

L Estergreen, AR Mencke, DE Cotton… - Accounts of Chemical …, 2022 - ACS Publications
Conspectus Symmetry breaking charge transfer (SBCT) is a process in which a pair of
identical chromophores absorb a photon and use its energy to transfer an electron from one …

Fluorescence modulation by amines: Mechanistic insights into twisted intramolecular charge transfer (TICT) and beyond

C Chen, C Fang - Chemosensors, 2023 - mdpi.com
Amine groups are common constituents of organic dyes and play important roles in tuning
fluorescence properties. In particular, intensive research works have demonstrated the …

Weak interactions but potent effect: tunable mechanoluminescence by adjusting intermolecular C–H⋯ π interactions

Z Xie, T Yu, J Chen, E Ubba, L Wang, Z Mao, T Su… - Chemical …, 2018 - pubs.rsc.org
A new mechanoluminescent material (4-(diphenylamino) phenyl)(4-(diphenylphosphanyl)
phenyl) methanone (CDpP), which displays tunable mechanoluminescent emission colors …

Serial crystallography captures dynamic control of sequential electron and proton transfer events in a flavoenzyme

M Maestre-Reyna, CH Yang, E Nango, WC Huang… - Nature Chemistry, 2022 - nature.com
Flavin coenzymes are universally found in biological redox reactions. DNA photolyases, with
their flavin chromophore (FAD), utilize blue light for DNA repair and photoreduction. The …

Designed polymeric conjugation motivates tunable activation of molecular oxygen in heterogeneous organic photosynthesis

W Sun, Y Xiang, Z Jiang, S Wang, N Yang, S Jin, L Sun… - Science Bulletin, 2022 - Elsevier
Photocatalytic oxidative organic reactions are important synthetic transformations, and
research on reaction selectivity by reactive oxygen species (ROS) is significant. To date …

Electron–nuclear dynamics accompanying proton-coupled electron transfer

Y Yoneda, SJ Mora, J Shee… - Journal of the …, 2021 - ACS Publications
Although photoinduced proton-coupled electron transfer (PCET) plays an essential role in
photosynthesis, a full understanding of the mechanism is still lacking due to the complex …

Real-Time Tracking of Hot Carrier Injection at the Interface of FAPbBr3 Perovskite Using Femtosecond Mid-IR Spectroscopy

I Nadinov, K Almasabi, L Gutiérrez-Arzaluz… - ACS Central …, 2023 - ACS Publications
One of the most effective approaches to optimizing the performance of perovskite solar cells
is to fully understand the ultrafast carrier dynamics at the interfaces between absorber and …

Solvent polarity governs ultrafast structural dynamics: a case study of 4-dimethylamino-4′-carbomethoxydiphenylacetylene

A Barak, N Dhiman, F Sturm, F Rauch… - The Journal of …, 2023 - ACS Publications
The compound 4-dimethylamino-4′-carbomethoxydiphenylacetylene (DACM-DPA) is a
donor-π-acceptor system that exhibits significant charge transfer character in the excited …

Solvent tuning of photochemistry upon excited-state symmetry breaking

B Dereka, D Svechkarev, A Rosspeintner… - Nature …, 2020 - nature.com
The nature of the electronic excited state of many symmetric multibranched donor–acceptor
molecules varies from delocalized/multipolar to localized/dipolar depending on the …

Ultrafast triplet pair separation and triplet trapping following singlet fission in amorphous pentacene films

KT Munson, J Gan, C Grieco, GS Doucette… - The Journal of …, 2020 - ACS Publications
Ultrafast infrared and electronic spectroscopy are used to examine the dynamics of triplet
pair separation following singlet fission in amorphous and crystalline films of the model …