Origins of Molecular-Twist-Triggered Intersystem Crossing in Functional Perylenediimides: Singlet–Triplet Gap versus Spin–Orbit Coupling

R Ahmed, AK Manna - The Journal of Physical Chemistry A, 2022 - ACS Publications
Singlet–triplet gap (Δ ES–T) and spin–orbit coupling (SOC) primarily govern intersystem
crossing (ISC)-mediated photo-and electro-luminescence processes. Structural-twist in …

Site-selected thionated benzothioxanthene chromophores as heavy-atom-free small-molecule photosensitizers for photodynamic therapy

M Deiana, P Josse, C Dalinot, A Osmolovskyi… - Communications …, 2022 - nature.com
Photodynamic therapy is a clinically approved anticancer modality that employs a light-
activated agent (photosensitizer) to generate cytotoxic reactive oxygen species (ROS) …

Ion-Induced Nanoarchitectonics for Anthraquinone Single Crystals with Enhanced Fluorescence Properties

Y Liu, Z Li, Y Xu, X Xu, J Zhao, W Cui… - ACS Applied Materials & …, 2024 - ACS Publications
Recently, bioinspired fluorescent materials have drawn ever-increasing attention due to their
ecofriendliness and easy accessibility. Herein, we demonstrate that anthraquinone/metal ion …

Thiochromenocarbazole imide: a new organic dye with first utility in large area flexible electroluminescent devices

JMA Castán, C Amruth, P Josse, LA Galan… - Materials Chemistry …, 2022 - pubs.rsc.org
The N-annulation of a benzothioxanthene imide (BTI) derivative is demonstrated herein
affording the unprecedented thiochromenocarbazole imide (TCI). The impact of this …

Benzothioxanthene dicarboximide as a tuneable electrogenerated chemiluminescence dye

AL Dauphin, JM Andrés Castán, J Yu… - …, 2022 - Wiley Online Library
Overlooked for years, the promising benzothioxanthene dicarboximide (BTXI) structure is
nonetheless known to be an excellent fluorophore. As a further step towards the exploration …

Metal‐Free Benzothioxanthene Imide Based Dyes for Organic Light‐Emitting Electrochemical Cells

KK Leong, HJ Kim, K Morice, P Josse… - Advanced Optical …, 2024 - Wiley Online Library
Two synthetic organic dyes of the Benzothioxanthene imide (BTI) family are explored as a
promising electroactive material for organic light‐emitting electrochemical cells (LECs). The …

Exploring the triplet state properties of thio-benzothioxanthene imides with applications in TTA-upconversion and photopolymerization

X Chen, H Liang, X He, W Li, Z Nian… - Chemical …, 2024 - pubs.rsc.org
Thio-benzothioxanthene imide (BTXI) exhibits long excited state lifetime (τT= 17.7 μs) and
high ISC efficiency (ΦΔ= 97%). For the first time, BTXI derivatives were used as …

A computational-experimental approach to unravel the excited state landscape in heavy-atom free BODIPY-related dyes

E Rebollar, J Bañuelos, S de la Moya, J Eng, T Penfold… - Molecules, 2022 - mdpi.com
We performed a time-gated laser-spectroscopy study in a set of heavy-atom free single
BODIPY fluorophores, supported by accurate, excited-state computational simulations of the …

Impact of Charge-Resonance Excitations on CT-Mediated J-Type Aggregation in Singlet and Triplet Exciton States of Perylene Di-Imide Aggregates: A TDDFT …

Y Dai, M Zubiria-Ulacia, D Casanova, F Negri - Computation, 2022 - mdpi.com
The modulation of intermolecular interactions upon aggregation induces changes in excited
state properties of organic molecules that can be detrimental for some optoelectronic …

Kinetic effects in singlet oxygen mediated oxidations by immobilized photosensitizers on silica

M Lancel, M Lindgren, C Monnereau… - … & Photobiological Sciences, 2024 - Springer
Abstract Singlet oxygen (1O2) mediated photo-oxidations are important reactions involved in
numerous processes in chemical and biological sciences. While most of the current …