Driving Triplet State Population in Benzothioxanthene Imide Dyes: Let's twist!

D Puchán Sánchez, P Josse, N Plassais… - … A European Journal, 2024 - Wiley Online Library
Controlling the formation of photoexcited triplet states is critical for many (photo) chemical
and physical applications. Here, we demonstrate that a permanent out‐of‐plane distortion of …

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 …

The how and why of naphthalimide/heterocycle-fused hybrid dyes: an overview of the latest developments in the quest for dyes with innovative optical properties

A Chevalier - Organic & Biomolecular Chemistry, 2023 - pubs.rsc.org
In this review, a variety of hybrid structures fusing aromatic heterocycles of different natures
to a naphthalimide backbone are discussed. This strategy constitutes an efficient approach …

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 …

Double [4] helicene-like naphthobisbenzothiophene diimides and their thienyl-S, S-dioxidized derivatives with attractive solid-state fluorescence and high electron …

X Yi, J Gao, H Qin, L Zheng, W Zeng, H Chen - Organic Letters, 2023 - ACS Publications
A series of double [4] helicene-like naphthobisbenzothiophene diimides and their thienyl-S,
S-dioxidized derivatives are synthesized via MoCl5-catalyzed cyclization and m-CPBA …

Exploring the concept of dimerization-induced intersystem crossing: At the origins of spin–orbit coupling selection rules

LA Galán, JM Andrés Castán, C Dalinot… - The Journal of …, 2021 - ACS Publications
Singlet–triplet interconversions (intersystem crossing, ISC) in organic molecules are at the
basis of many important processes in cutting-edge photonic applications (organic light …

Revisiting the synthesis of the benzothioxanthene imide five decades later

P Josse, K Morice, DP Sanchez, T Ghanem… - New Journal of …, 2022 - pubs.rsc.org
With amazing optical and electrochemical properties, the benzothioxanthene imide, a sulfur
containing rylene, has only recently been demonstrated as a promising building block for …

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 …

Influence of the heteroatom introduction on the physicochemical properties of 5-heterotruxenes containing nitrogen, oxygen and sulfur atom

K Górski, K Noworyta, J Mech-Piskorz - RSC advances, 2020 - pubs.rsc.org
5-heterotruxenes are a class of heterocyclic aromatic compounds derived from the parent
heptacyclic hydrocarbon, namely truxene. Currently, few substances belonging to this group …