Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 13, 2025
Abstract
Phosphorescent
materials
offer
a
promising
approach
to
information
encryption
due
their
long
luminescence
lifetimes
and
high
signal‐to‐noise
ratios.
However,
fixed
phosphorescent
patterns
are
vulnerable
imitation
over
time,
limiting
effectiveness
in
advanced
encryption.
Here,
time‐division
multiplexing
physical
unclonable
function
(TDM‐PUF)
label
utilizing
multicolor
carbon
dots
(CDs)
is
proposed
that
leverages
variations
wavelength
lifetime
construct
time‐resolved,
multidimensional
cryptographic
protocols.
Efficient
multi‐color
phosphorescence
CDs
achieved
by
enhancing
intersystem
crossing,
suppressing
non‐radiative
transitions
through
confinement
effects,
regulating
emission
spectra
via
energy
transfer.
The
random
spatial
distribution
unpredictable
emissions
of
significantly
enhance
the
complexity
PUF
system,
thereby
fortifying
its
defenses
against
mimicry
attacks.
Furthermore,
this
system
exhibits
multiple
optical
responses
allowing
correct
recognition
only
at
specified
time
nodes,
achieving
time‐resolved
anti‐counterfeiting.
Finally,
segmenting
labels
based
on
color
channels,
non‐overlapping
multi‐time
segments
achieved,
enabling
highly
secure
multiplexed
study
provides
competitive
anti‐counterfeiting
inspires
development
novel
strategies.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 12, 2024
Abstract
Manufacturing
whole
cancer
cell
vaccines
(WCCV)
with
both
biosafety
and
efficacy
is
crucial
for
tumor
immunotherapy.
Pyroptotic
cells,
due
to
their
highly
immunogenic
properties,
present
a
promising
avenue
the
development
of
WCCV.
However,
successful
WCCV
based
on
pyroptotic
cells
yet
be
accomplished.
Here,
facile
strategy
that
utilized
photocatalytic
carbon
dots
(CDs)
induce
pyroptosis
fabricating
reported.
Photocatalytic
CDs
are
capable
generating
substantial
amounts
hydroxyl
radicals
can
effectively
decrease
cytoplasmic
pH
values
under
white
light
irradiation.
This
process
efficiently
triggers
through
reactive
oxygen
species
(ROS)‐mitochondria‐caspase
3‐gasdermin
E
pathway
proton
motive
force‐driven
mitochondrial
ATP
synthesis
pathway.
Moreover,
in
vitro,
these
CDs‐induced
(PCIP)
hyperactivate
macrophage
(M0–M1)
upregulation
major
histocompatibility
complex
class
II
expression.
In
vivo,
PCIP
induced
specific
immune‐preventive
effects
melanoma
breast
mouse
models
anticancer
immune
memory,
demonstrating
effective
work
provides
novel
insights
inducing
bridges
gap
fabrication
cells.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(51)
Published: Aug. 17, 2024
Abstract
Zero‐dimensional
(0D)
hybrid
metal
halides
have
been
emerged
as
room‐temperature
phosphorescence
(RTP)
materials,
but
synchronous
optimization
of
multiple
performance
in
one
structural
platform
remains
less
resolved,
and
stable
RTP
activity
aqueous
medium
is
also
unrealized
due
to
serious
instability
toward
water
oxygen.
Herein,
we
demonstrated
a
photophysical
tuning
strategy
new
0D
zinc
halide
family
(BTPP)
2
ZnX
4
(BTPP=benzyltriphenylphosphonium,
X=Cl
Br).
Infrequently,
the
delicate
combination
organic
inorganic
species
enables
this
display
ultralong
green
afterglow
efficient
self‐trapped
exciton
(STE)
associated
cyan
phosphorescence.
Compared
with
inert
luminescence
[BTPP]
+
cation,
incorporation
anionic
[ZnX
]
2−
effectively
enhance
spin‐orbit
coupling
effect,
which
significantly
boosts
photoluminescence
quantum
yield
(PLQY)
up
30.66
%
54.62
for
phosphorescence,
respectively.
Synchronously,
corresponding
lifetime
extend
143.94
ms
0.308
μ
s
surpassing
indiscernible
[BTPP]X
salt.
More
importantly,
presents
robust
emission
nearly
unattenuated
PLQY
harsh
condition
(acid
basic
solution)
over
half
year.
The
highly
integrated
STE
well
ultrahigh
state
realize
anti‐counterfeiting
applications
wide
chemical
environments.
Advanced Optical Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 8, 2025
Abstract
Room
temperature
phosphorescence
(RTP)
materials
have
broad
applications
in
the
field
of
optical
devices
due
to
tunable
wavelengths
and
lifetimes.
However,
creating
efficient
RTP
that
possess
multiple
properties
remains
a
challenge.
Herein,
novel
approach
is
developed
situ
form
carbon
quantum
dots
(C‐dots)
embedded
boron
nitride
carbide
oxide
(B‐N‐C‐O)
matrices
by
introducing
nitrogen,
phosphorus,
dopants
into
C‐dots
(P/B/N
doped
C‐dots),
enabling
dual
emissions
time‐dependent
afterglow.
P/B/N
are
synthesized
vacuum‐assisted
gradient
heating
using
ethylenediamine,
phosphoric
acid,
boric
acid
as
precursors
with
yield
20
g
per
batch.
The
introduction
provided
triplet
states,
which
enable
and,
long
phosphorescent
lifetime
ranging
from
0.98
1.30
s.
formation
surrounding
enables
ultrahigh
up
50%,
surpassing
most
recently
reported
C‐dots.
To
demonstrate
potential
C‐dots,
they
used
anti‐counterfeiting
ink
dyes
for
security
codes
polyester
yarn,
showing
their
suitability
high‐level
applications.
This
work
provides
an
effective
route
large‐scale
synthesis
highly
preparation
high‐performance
devices.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 13, 2024
The
combination
of
advanced
photoluminescence
characteristics
to
photochromism
is
highly
attractive
in
preparing
high-performance
multifunctional
photo-responsive
materials
for
optoelectronic
applications.
However,
this
rather
challenging
material
design
owing
the
limited
mechanism
understanding
and
construction
principles.
Here,
an
effective
strategy
integrate
afterglow
emission
carbon
dots
(CDs)
proposed
through
embedding
naphthaleneimide
(NI)
structure
CDs
followed
by
polyvinylpyrrolidone
(PVP)
encapsulation.
NI-structured
CDs-PVP
shows
intrinsic
situ
formation
NI-radical
anions
controllable
multi-stimuli-responsive
behaviors
related
oxygen-trigged
triplet
exciton
quenching
Förster
resonance
energy
transfer
(FRET)
from
pristine
photoactivated
radicals.
Notably,
a
wide
range
appearance
colors
colorless
brown,
luminescence
color
transition
blue
yellow,
much
elongated
lifetime
up
253
ms
are
observed.
With
extraordinary
stimuli-chromic
stimuli-luminescent
film
dynamically
responsive
multiple
external
stimuli,
reversible
secure
snapchat,
data
encryption/decryption
synaptic
imaging
recognition
realized.
These
findings
demonstrate
fundamental
principle
photochromic
with
afterglow,
providing
important
understandings
on
synergic
dynamic
thereby
expanding
their
applications
information
anti-counterfeiting
artificial
intelligence.
Deleted Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 5, 2025
Abstract
Lateral
flow
assays
(LFAs)
are
widely
applicable
in
clinical
point‐of‐care
testing
(POCT)
due
to
their
unique
advantages
such
as
simplicity,
rapidity,
and
cost‐effectiveness.
However,
sensitivity
is
often
constrained
by
the
background
autofluorescence
of
biological
sample,
self‐matrix,
or
readout
technique,
thereby
leading
overlooking
trace
amounts
biomarkers
present
early
disease.
In
recent
years,
various
nanomaterials‐based
methods
have
been
developed
address
this
issue,
including
time‐gated
wavelength‐differentiated
strategy
external
modulated
for
separation
minimize
interference
from
samples.
This
review
provides
a
comprehensive
overview
low‐background
luminescent
nanoparticles
(LBLNPs)‐enhanced
LFA
systems,
focusing
on
analyzing
underlying
mechanism
these
nanomaterials
improving
accuracy
LFAs
platform
diagnosis.
Representative
examples
selected
demonstrate
potential
detecting
disease‐associated
samples
blood,
urine,
saliva
et
al.
Finally,
unresolved
challenges
future
development
prospects
briefly
discussed.
