Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 21, 2025
Abstract
Near‐infrared
(NIR)
phototheranostics,
combining
photoacoustic
imaging
(PAI)
and
photothermal
therapy
(PTT),
show
great
promise
for
cancer
diagnosis
treatment.
Organic
molecules
are
excellent
agents
(PTAs)
due
to
their
strong
NIR
absorption
biodegradability.
Typically,
achieving
good
response
involves
using
fused‐ring
backbones,
which
require
complex
synthesis
yield
lower
production.
In
this
work,
2F
nanoparticles
(NPs)
reported
as
an
organic
phototheranostic
agent
with
high
responses,
synthesized
in
just
two
simple
steps
87%
production
efficient
PAI‐guided
PTT
of
cancer.
Unlike
traditional
structures,
is
formed
by
joining
donor
acceptor
moieties
carbon–carbon
bonds,
simplifying
increasing
yield.
Although
isolated
have
absorption,
forming
NPs
shifts
the
peak
from
708
808
nm,
comparable
state‐of‐the‐art
phototheranostics.
This
shift
significant
charge
transfer
between
dimers,
a
single‐component
charge‐transfer
improved
shown
spectra
theoretical
studies.
Finally,
demonstrate
successful
under
excitation
anti‐tumor
performance.
work
provides
valuable
insight
into
both
photophysical
performance
PTAs,
advancing
development
PTT.
The Journal of Physical Chemistry Letters,
Journal Year:
2024,
Volume and Issue:
15(10), P. 2690 - 2696
Published: March 1, 2024
A
cocrystallization
strategy
is
used
through
incorporation
of
1,2,4,5-tetracyanobenzene
(TCNB)
as
an
acceptor
with
halogen-substituent
thioxanthone
(TX)
derivatives
donors.
The
resulting
cocrystals
TT-R
(R
=
H,
F,
Cl,
Br,
or
I)
transform
the
thermally
activated
delayed
fluorescence
emission
in
TT-H,
TT-F,
and
TT-Cl
to
room-temperature
phosphorescence
TT-Br
TT-I
cocrystals.
Definite
crystal
packing
structures
demonstrate
a
1:1
alternative
donor–acceptor
stacking
TT-H
cocrystal,
2:1
TT-F
cocrystals,
separate
donor
transformation
law
can
be
revealed
that
increase
atomic
number
from
I,
show
structural
aggregated
TX-R
molecules
monomers
dimers
finally
multimers.
This
work
will
facilitate
understanding
effect
halogen
substituents
on
structure
luminescence
properties
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 15, 2024
2D
covalent
organic
framework
(COF)
materials
with
extended
conjugated
structure
and
periodic
columnar
π-arrays
exhibit
promising
applications
in
optoelectronics.
However,
there
is
a
scarcity
of
reports
on
optoelectronic
COFs,
mainly
due
to
the
lack
suitable
π-skeletons.
Here,
two
multi-functional
COFs
DPP-TPP-COF
DPP-TBB-COF
are
constructed
diketopyrrolopyrrole
as
electron
acceptor
(A),
1,3,6,8-tetraphenylpyrene
1,3,5-triphenylbenzene
donor
(D)
through
imine
bonds.
Both
showed
good
crystallinities
AA
stacking
rhombic
for
hexagonal
one
DPP-TBB-COF,
respectively.
The
D-A
ordered
intermolecular
packing
structures
endow
broad
UV-vis
absorptions
narrow
bandgaps
along
HOMO/LUMO
energy
levels,
resulting
properties,
including
photothermal
conversion,
supercapacitor
property,
ambipolar
semiconducting
behavior.
Among
them,
exhibits
high
conversion
efficiency
47%
under
660
nm
laser
irradiation,
while
superior
specific
capacitance
384
F
g
ACS Nano,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 4, 2024
Constructing
J-aggregated
organic
dyes
represents
a
promising
strategy
for
obtaining
biomedical
second
near-infrared
(NIR-II)
emissive
materials,
as
they
exhibit
red-shifted
spectroscopic
properties
upon
assembly
into
nanoparticles
(NPs)
in
aqueous
environments.
However,
currently
available
NIR-II
J-aggregates
primarily
rely
on
specific
molecular
backbones
with
intricate
design
strategies
and
are
susceptible
to
fluorescence
quenching
during
assembly.
A
facile
approach
constructing
bright
using
prevalent
donor-acceptor
(D-A)
molecules
is
still
lacking.
In
this
study,
we
present
method
that
transforms
D-A
by
simply
bending
the
molecule
through
introducing
methyl
group,
enabling
high-performance
phototheranostics.
The
TAA-BT-CN
exhibits
hypsochromic-shift
absorption
forming
H-aggregated
NPs,
while
designed
mTAA-BT-CN
bent
structure
demonstrates
bathochromic
shift
of
over
100
nm
leading
much
enhanced
emission
beyond
1100
nm.
With
respect
its
counterpart
aggregation-caused
(ACQ)
phenomenon,
NPs
7-fold
increase
owing
their
aggregation-induced
(AIE)
property
well
efficient
generation
heat
reactive
oxygen
species
under
808
light
excitation.
Finally,
employed
whole-body
blood
vessel
imaging
technology
imaging-guided
tumor
phototherapies.
This
study
will
facilitate
flourishing
advancement
based
D-A-type
molecules.
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(38), P. 26178 - 26186
Published: Sept. 16, 2024
Triboelectric
nanogenerators
(TENGs)
have
proven
to
be
effective
at
converting
mechanical
energy
into
electrical
power,
making
them
a
viable
technology
for
operating
self-powered
electronic
devices
used
in
medical
diagnostics
and
environmental
monitoring.
In
the
present
study,
we
demonstrate
utility
of
flexible
single
crystals
an
organic
compound
fabrication
TENG
as
tactile
sensor.
Triboelectrification
was
attained
result
surface
functionalization
with
positively
negatively
charged
moieties,
viz.
Zn
Biomedicines,
Journal Year:
2024,
Volume and Issue:
12(1), P. 202 - 202
Published: Jan. 16, 2024
Peptide-functionalized
nanomedicine,
which
addresses
the
challenges
of
specificity
and
efficacy
in
drug
delivery,
is
emerging
as
a
pivotal
approach
for
cancer
therapy.
Globally,
remains
leading
cause
mortality,
conventional
treatments,
such
chemotherapy,
often
lack
precision
adverse
effects.
The
integration
peptides
into
nanomedicine
offers
promising
solution
enhancing
targeting
delivery
therapeutic
agents.
This
review
focuses
on
three
primary
applications
peptides:
cell-targeting
ligands,
building
blocks
self-assembling
nanostructures,
elements
stimuli-responsive
systems.
Nanoparticles
modified
with
improved
cells,
minimized
damage
to
healthy
tissues,
optimized
delivery.
versatility
self-assembled
peptide
structures
makes
them
an
innovative
vehicle
by
leveraging
their
biocompatibility
diverse
nanoarchitectures.
In
particular,
mechanism
cell
death
induced
novel
addition,
systems
enable
precise
release
response
specific
conditions
tumor
microenvironment.
use
not
only
augments
safety
treatments
but
also
suggests
new
research
directions.
this
review,
we
introduce
functionalization
methods
using
or
peptide-modified
nanoparticles
overcome
treatment
cancers,
including
breast
cancer,
lung
colon
prostate
pancreatic
liver
skin
glioma,
osteosarcoma,
cervical
cancer.
Materials Horizons,
Journal Year:
2024,
Volume and Issue:
11(22), P. 5499 - 5532
Published: Jan. 1, 2024
High-performance
perovskite
materials
with
excellent
physical,
electronic,
and
optical
properties
play
a
significant
role
in
artificial
neuromorphic
devices.
However,
the
development
of
perovskites
microelectronics
is
inevitably
hindered
by
their
intrinsic
non-ideal
properties,
such
as
high
defect
density,
environmental
sensitivity,
toxicity.
By
leveraging
engineering,
integrating
various
to
leverage
mutual
strengths
presents
great
potential
enhance
ion
migration,
energy
level
alignment,
photoresponsivity,
surface
passivation,
thereby
advancing
optoelectronic
device
development.
This
review
initially
provides
an
overview
across
different
dimensions,
highlighting
physical
detailing
applications
metrics
two-
three-terminal
Subsequently,
we
comprehensively
summarize
application
combination
other
materials,
including
organics,
nanomaterials,
oxides,
ferroelectrics,
crystalline
porous
(CPMs),
develop
advanced
devices
memristors,
transistors,
photodetectors,
sensors,
light-emitting
diodes
(LEDs),
systems.
Lastly,
outline
challenges
future
research
directions
synthesizing
composites
for
Through
analysis,
aim
broaden
utilization
research,
offering
new
insights
approaches
grasping
intricate
working
mechanisms
functionalities
perovskites.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 6, 2024
Abstract
Phototheranostics
with
second
near‐infrared
(NIR‐II)
emissions
show
great
potential
for
disease
diagnosis
and
imaging‐guided
phototherapy
owing
to
deep
tissue
penetration,
high
imaging
resolution,
excellent
tumor
eradication.
Recently,
molecular
conjugation
engineering
J‐aggregation
have
been
used
construct
organic
NIR‐II
materials.
However,
these
molecules
generally
extensive
large
weight
in
the
range
of
700–1700
g
mol
−1
,
requiring
complicated
design
synthesis.
Herein,
a
emissive
through‐space
charge‐transfer
(TSCT)
nanoparticle
(NP)
using
short‐conjugated
donor‐acceptor
(D‐A)
(TTP)
is
reported
high‐performance
bioimaging
cancer
phototheranostics.
Owing
short
TTP
molecule
small
only
518
monomer
possesses
visible
absorption
first
(NIR‐I)
emission.
Upon
forming
NPs
water,
efficient
TSCT
between
monomers
leads
significantly
red‐shifted
NIR‐I
emission
region
tail
that
extends
1400
nm.
are
employed
vivo
blood‐vessel
phototheranostics
successfully.
This
work
introduces
facile
strategy
based
on
D‐A
biomedical
applications.
Organics,
Journal Year:
2024,
Volume and Issue:
5(4), P. 520 - 560
Published: Nov. 11, 2024
This
review
provides
a
comprehensive
overview
of
recent
advancements
in
the
synthesis,
properties,
and
applications
organic
materials
optoelectronics
sector.
The
study
emphasizes
critical
role
development
state-of-the-art
optoelectronic
devices
such
as
solar
cells,
thin-film
transistors,
OLEDs.
further
examines
structure,
operational
principles,
performance
metrics
devices.
Organic
have
emerged
promising
candidates
due
to
their
low-cost
production
potential
for
large-area
or
flexible
substrate
applications.
Additionally,
this
highlights
physical
mechanisms
governing
properties
high-performance
materials,
particularly
photoinduced
processes
relevant
charge
carrier
photogeneration.
It
discusses
unique
benefits
over
traditional
inorganic
including
light
weight,
simple
processing,
flexibility.
report
delves
into
challenges
related
stability,
scalability,
performance,
while
highlighting
wide
range
electronic
exhibited
by
which
are
performances
Furthermore,
it
addresses
need
research
field
achieve
consistent
across
different
types
