Atomic Engineering and Aggregation Effect to Regulate Synergistically Type I Reactive Oxygen Species of AIE‐Active Deep Red/Near Infrared Red Photosensitizer
Small,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 3, 2025
Abstract
“Molecular
science”
has
long
been
regarded
as
the
golden
rule
to
guide
design
of
organic
materials’
performances
in
past
many
years,
but
some
interesting
phenomena
conventional
aggregation‐caused
fluorescence
quenching
and
new
aggregation‐induced
emission
reflect
that
properties
would
be
changed
from
“molecule”
“aggregate”.
Therefore,
“molecular
theory
faces
certain
limitations
regulating
performance
materials
at
aggregation.
In
this
work,
it
is
discovered
photosensitizer's
contain
reactive
oxygen
species,
which
could
affected
by
changing
molecular
atoms
aggregation
form.
The
introduction
selenium
redshift
improve
species
(ROS)
efficiency.
addition
atomic
effect,
ROS
efficiency
photosensitizers
after
coating
a
polymeric
shell,
is,
production
type
II
singlet
(
1
O
2
)
suppressed,
while
I
superoxide
anion
(O
−•
improved.
This
work
discovers
are
relevant
effect
discussing
deeply
influence
mechanism,
important
research
significance
for
modulating
precisely
promoting
development
photodynamic
therapy.
Язык: Английский
Modulating the Embedding Position of Nitrogen Atom in [5]Helicene:the Design of Hot-Exciton Materials
Journal of Luminescence,
Год журнала:
2025,
Номер
unknown, С. 121328 - 121328
Опубликована: Май 1, 2025
Язык: Английский
Planar conjugate donor engineering enhanced photodynamic immunogenic cell death stimulator for efficient Triple-Negative breast cancer immunotherapy
Journal of Colloid and Interface Science,
Год журнала:
2025,
Номер
unknown, С. 138085 - 138085
Опубликована: Июнь 1, 2025
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
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