Despite
remarkable
progress
regarding
anticounterfeiting
materials
that
have
been
developed
recently,
integrating
multifunctionality
into
these
remains
a
significant
challenge.
Here,
we
present
family
of
smart
light-controlled
fluorescence
metallopolymers
with
self-healing
capabilities
based
on
terbium-bipyridine
complexes,
spiropyran
(SP),
and
polymer
matrix.
We
achieved
photoluminescence
transformation
(including
nonluminescent,
red,
yellow,
blue),
the
visual
color
changes
from
transparent
colorless
to
purple
by
manually
controlling
photoisomerization
SP
together
exploiting
resonance
energy
transfer.
Remarkably,
light
stimulus
response
behavior
exhibits
cyclicity.
The
well-designed
matrix
endows
material
processing
performance,
strong
resilient
characteristics
(toughness:
42.73
MJ
m–3),
fast
ability
at
room
temperature.
demonstrated
enormous
potential
in
dual-level
information
encryption
technologies
through
our
research.
It
is
conviction
universal
approach
adopted
this
study
provides
invaluable
insights
paving
way
for
construction
multifunctional,
light-sensitive,
metallopolymers.
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 14, 2025
Abstract
Supramolecular
dynamic
room
temperature
phosphorescence
(RTP)
is
the
focus
of
current
research
because
its
wide
application
in
biological
imaging
and
information
anti‐counterfeiting.
Herein,
a
time‐dependent
supramolecular
lanthanide
phosphorescent
4D
assembly
material
with
multicolor
luminescence
including
white,
which
composed
4‐(4‐bromophenyl)‐pyridine
salt
derivative
(G),
inorganic
clay
(LP)/Eu
complex
pyridine
dicarboxylic
acid
(DPA)
reported.
Compared
self‐assembled
nanoparticle
G,
lamellar
G/LP
showed
double
emission
fluorescence
at
380
nm
516
over
time.
Within
60
min,
lifetime
quantum
yield
increases
from
none
to
7.4
ms
27.53%
respectively,
achieving
emission,
due
limitation
progressive
stacking
LP
electrostatically
driven
“domino
effect.”
Furthermore,
DPA
G/LP/Eu
leads
time‐resolved
colorless
purple
successfully
applied
multi‐level
logic
anti‐counterfeiting
efficiently
antibiotic
selective
sensor.
Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 17, 2025
Chlortetracycline
(CTE)
is
a
kind
of
tetracycline
antibiotic
against
Gram-positive
and
negative
bacteria.
However,
the
overuse
excessive
discharge
CTE
would
be
harmful
to
environment
human
beings
inevitably.
Herein,
achieve
sensitive
specific
detection
CTE,
an
electron-deficient
site
(i.e.,
viologen
segment)
incorporated
into
construction
two
isostructural
multifunctional
lanthanide-based
complexes.
Besides
distinct
photochromism
coupled
with
light-modulated
typical
Eu3+/Sm3+
luminescence,
Eu-CP
also
shows
significant
luminescence
quenching
behavior
toward
limit
0.19
μM,
which
superior
most
reported
Eu3+-based
fluorescence
chemosensors
for
CTE.
Moreover,
thanks
CTE-detection
Eu-CP,
portable
test
strip
Eu-CP@PAN
further
obtained
evaluating
residual
content
in
fresh
food
corresponding
RGB
value
can
real-time
determined
by
smartphone.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 10, 2025
The
design
of
synthetic
hydrogels
that
can
mimic
their
biological
counterparts
in
the
simultaneous
production
multicolor
change
and
shape
transformation
response
to
environmental
stimuli
is
great
importance
toward
intelligent
camouflage,
encryption,
actuation.
Previous
efforts
have
focused
primarily
on
developing
heterogeneous
highly
rely
respective
mechanisms
achieve
color
changes
separately,
synergistically
synchronizing
such
two
variations
into
structurally
homogenous
via
a
single
chromophore
has
been
challenging.
Here,
molecular
hydrogel
simultaneously
exhibiting
synchronized
deformation
triggered
by
stimulus
light
reported.
synchronization
mechanism
originates
from
coupled
alteration
upon
irradiation
fluorescence
emission
charge
states
spiropyran
photochromophore
covalently
incorporated
network,
thus
leading
macroscale
variation
hydrogel,
respectively.
Following
this
principle,
both
positive
negative
phototropic
are
obtained
concomitantly
with
but
flexibly
tunable
illumination
demonstrated
ingenious
application
biomimetic
actuation,
camouflage
rational
combination
these
systems.
This
work
represents
an
innovative
strategy
for
bioinspired
materials
functions
compound.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 16, 2025
Abstract
Bio‐inspired
autonomous
smart
polydimethylsiloxane
(PDMS)
and
its
composite
materials
hold
immense
promise
for
a
wide
range
of
applications
in
electrical
electronic
devices.
These
mimic
natural
protective
mechanisms
with
self‐healing,
self‐reporting,
self‐cleaning
properties,
enabling
innovative
efficient
device
design.
Smart
PDMS
autonomously
activate
repair
response
to
mechanical
or
damage,
achieving
rapid
structural
functional
recovery
preventing
failure
due
the
accumulation
minor
damage.
can
intuitively
report
their
status
through
striking
color
changes,
fluorescence,
luminescence
when
exposed
external
stimuli,
providing
practical
visual
feedback
health
monitoring
fault
warning.
They
also
have
capacity
effectively
eliminate
contaminants
ice
deposits
from
surfaces,
thereby
ensuring
stable
operation.
This
review
aims
introduce
current
research
progress
self‐cleaning,
self‐reporting
materials.
The
systematically
discusses
principles,
methodological
innovations,
mechanistic
analysis,
these
materials,
highlighting
significant
potential
field
Moreover,
provides
an
in‐depth
analysis
key
challenges
facing
offers
insights
into
future
directions
strategies.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 27, 2025
Ionic
polyurethanes
with
excellent
properties
have
garnered
significant
attention
in
flexible
wearables.
However,
it
is
still
challenging
to
achieve
ionic
polyurethane
ionotronics
both
mechanical
and
functionalization.
Here,
a
series
of
hydroxypropyl
viologen
(HDPV)
cationic-based
supramolecular
tunable
strength
(7.6-76.6
MPa),
toughness
(29.1-285.3
MJ
m-3),
elongation
(499.8%-1102.3%)
are
developed
by
balancing
HDPV
cations
dynamic
sextuple
hydrogen
bonds
into
the
polyurethane.
Dynamic
modulation
electrochromic
can
be
achieved
adjusting
content
bonds.
Strong
electrostatic
interactions
between
liquid
resulted
preparation
ionogels
pressure/strain
temperature
sensing
properties.
Additionally,
benefiting
from
redox
polycationic
backbone,
devices
fabricated
demonstrated
high
range
79.1%,
certain
degree
color
memory
effect,
cycling
stability.
Shape
customization
3D
printing
technology.
The
study
paves
new
avenue
for
fabrication
visual
stability
versatility.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 7, 2025
Abstract
Dynamic
cross‐linking
waterborne
polyurethanes
(DCWPU)
are
gaining
increasing
attention
for
their
great
potential
in
soft
materials,
flexible
sensors,
robotics,
and
bioelectronic
devices.
However,
achieving
a
facile
straightforward
design
of
strong
yet
tough,
multifunctional,
printable
DCWPU
customizable
smart
devices
is
still
challenging
this
field.
Here,
simple
versatile
visible‐light‐mediate
situ
metal‐ligand
coordination
(VSMC)
strategy
reported
to
fabricate
high‐performance
DCWPU.
This
photochemical
enables
the
rapid
controllable
release
metal
ions
from
ethylenediaminetetraacetic
acid
salts,
orthogonally
triggering
classical
radical
polymerization.
The
resulting
homogeneous
metal‐coordinated
network
significantly
enhances
stretching
strain,
stress,
toughness
reversibility
further
imparts
excellent
shape
memory,
shape‐reconfigurable
self‐healing
features
when
exposed
heat
stimuli.
Moreover,
efficient
VSMC
greatly
reduces
gelation
time
under
5
s,
which
improves
its
printability
structural
design.
Leveraging
these
advanced
performances,
application
demonstrated.
work
expected
open
new
avenues
