Strategic Insertion of Heavy Atom to Tailor TADF OLED Material for the Development of Type I Photosensitizing Catalytic Red Emissive Assemblies
Chemistry - An Asian Journal,
Год журнала:
2024,
Номер
19(8)
Опубликована: Фев. 26, 2024
The
work
presented
in
the
manuscript
describes
a
simple
strategy
for
transforming
thermally
activated
delayed
fluorescent
organic
light-emitting
diodes
(TADF
OLEDs)
compound
10-(dibenzo[a,c]phenazin-11-yl)-10H-phenoxazine
(DPZ-PXZ)
into
type
I
photosensitizer
10-(dibenzo[a,c]phenazin-11-yl)-10H-phenothiazine
(DPZ-PHZ)
by
strategically
introducing
sulfur
atom
photosensitizing
core.
synthesized
DPZ-PHZ
exhibits
aggregation-induced
enhancement
(AIE)
and
through-space
charge
transfer
(TSCT)
characteristics
generates
red
emissive
assemblies
mixed
aqueous
media.
original
DPZ-PXZ
well-separated
HOMO
LUMO
levels
is
reported
to
have
highly
efficient
reverse
intersystem
crossing
(RISC).
In
comparison,
incorporation
of
phenothiazine
donor
regulates
electronic
communication
between
acceptor
units
promotes
(ISC)
molecules.
Interestingly,
rapid
activation
aerial
oxygen
instant
generation
superoxide
radical
anion.
Backed
excellent
activity,
high
catalytic
potential
synthesis
benzimidazoles,
benzothiazoles
quinazolines
derivatives
under
mild
reaction
conditions.
provides
an
insight
combination
heavy
approach
TSCT
achieving
adequate
units,
balanced
RISC/ISC,
stabilized-charge
separated
state
development
assemblies.
Язык: Английский
Advances and perspectives on photochemical/electrochemical synthesis of nitrogen, sulfur, and phosphorus heteroatom containing compounds from biomass-based feedstocks
Industrial Crops and Products,
Год журнала:
2024,
Номер
222, С. 119738 - 119738
Опубликована: Сен. 27, 2024
Язык: Английский
Cu(II)-Doped ZIF-8 as a Sustainable Catalyst for the Dehydrogenative Coupling of 2-Aminobenzamide with Methanol
Inorganic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 1, 2025
In
this
study,
an
effective
and
stable
Cu2+
incorporated
within
the
lattice
of
ZIF-8
was
hydrothermally
synthesized
employed
as
a
heterogeneous
catalyst
for
dehydrogenative
coupling
between
2-aminobenzamide
CH3OH.
The
Cu2+-doped
(Cu@ZIF-8)
catalysts
were
firmly
characterized
using
powder
X-ray
diffraction,
Fourier
transform
infrared
spectroscopy,
scanning
electron
microscopy,
transmission
photoelectron
UV-visible
diffuse
reflectance
spectra,
Brunauer-Emmett-Teller
techniques
to
examine
their
structural,
morphological,
elemental,
optical,
surface
properties.
catalytic
efficiency
Cu@ZIF-8
investigated
in
synthesis
quinazolinone
from
CH3OH
C1
source
with
Cs2CO3
base
under
oxygen
atmosphere.
Among
different
catalysts,
30%
demonstrated
superior
activity
formation
compared
pristine
ZIF-8,
indicating
that
doping
ions
provides
synergetic
effect
during
reaction.
Furthermore,
reusability
experiments
carried
out
catalyst,
observed
findings
show
is
maintained
up
four
cycles.
structural
integrity
along
morphology
chemical
structure
reused
solid
also
verified,
no
significant
differences
fresh
solids
plausible
reaction
mechanism
proposed.
Язык: Английский
Understanding the Structural Modulations in Twisted Donor–Acceptor–Donor (D-A-D) Systems for Boosting Type I Photosensitizing Photocatalytic Activity
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 27, 2024
Supramolecular
assemblies
based
on
the
twisted
donor-acceptor-donor
(D-A-D)
building
block
Язык: Английский
Switching of Selectivity from Benzaldehyde to Benzoic Acid Using Mil-100(V) as a Heterogeneous Catalyst in Aerobic Oxidation of Benzyl Alcohol
Опубликована: Янв. 1, 2024
Язык: Английский
Green Approach for the Synthesis of 2-Phenyl-2H-indazoles and Quinazoline Derivatives Using Sustainable Heterogeneous Copper Oxide Nanoparticles Supported on Activated Carbon and OER Study
Langmuir,
Год журнала:
2024,
Номер
40(43), С. 22918 - 22930
Опубликована: Окт. 16, 2024
This
research
work
reports
the
synthesis
of
copper
oxide
(CuO)
nanoparticles
supported
on
activated
carbon
by
a
simple
impregnation
method
using
2-propanol
as
green
solvent,
followed
calcination.
The
synthesized
CuO@C
is
used
an
efficient
heterogeneous
nanocatalyst
for
2
Язык: Английский
Regulating the Twisted Intramolecular Charge Transfer and Anti-heavy Atom Effect at Supramolecular Level for Favorable Photosensitizing Activity in Water
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(45), С. 62064 - 62081
Опубликована: Окт. 31, 2024
Photosensitizing
assemblies
based
on
twisted
intramolecular
charge
transfer
(TICT)
active
donor–acceptor–donor
(D-A-D)
system
BrTPA-Qx
having
bromine
atoms
at
the
periphery
have
been
developed.
Through
strategic
incorporation
of
para-position
to
nitrogen–carbon
bonds
phenyl
rings
periphery,
halogen–halogen
interactions
are
induced
in
nanoassemblies
H2O:DMSO
(99:1)
solution.
Hence,
anti-heavy
atom
effect
is
induced,
and
limitations
TICT
(dark
excited
state)
heavy
(triplet
deactivation
via
radiative
decay)
could
be
overcome.
Because
effect,
supramolecular
demonstrate
high
efficiency
promoting
activation
aerial
oxygen
electron
energy
pathways
aqueous
media.
The
significant
influence
stabilized
state
anti-heavy-atom
controlling
ROS
generation
was
validated
through
in-depth
solvent-dependent
photophysical
studies
investigations
structure–activity
relationship
several
model
compounds.
notable
photosensitizing
activity
manifested
their
ability
efficiently
catalyze
oxidative
coupling
benzylamine
(via
type
I
II
mechanisms),
Knoevenagel
condensation
aromatic
aldehydes
(type
II),
hydroxylation
arylboronic
acids
I)
under
mild
conditions.
Язык: Английский