Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 29, 2025
Abstract
The
Hofmeister
effect
has
attracted
considerable
attention
for
its
unique
ability
to
modulate
elasticity
in
flexible
devices.
Unlike
traditional
approaches
that
often
involve
complex
procedures
and
yield
unstable
outcomes,
the
enables
efficient
controllable
tuning
through
specific
ion‐material
surface
interactions.
This
mechanism
allows
precise
regulation
of
wettability,
thereby
facilitating
dynamic
adjustment
elastic
properties.
review
systematically
summarizes
research
progress
on
,
including
concept,
underlying
mechanisms,
influencing
factors,
with
a
particular
focus
applications
electronics,
optics,
biomedical
By
elucidating
mechanisms
ion‐induced
material
modulation,
highlights
potential
advance
design
next‐generation
smart
materials.
It
aims
provide
both
theoretical
foundation
practical
guidance
developing
high‐performance
systems.
Smart
hydrogel
sensors
with
intrinsic
responsiveness,
such
as
pH,
temperature,
humidity,
and
other
external
stimuli,
possess
broad
applications
in
innumerable
fields
biomedical
diagnosis,
environmental
monitoring,
wearable
electronics.
However,
it
remains
a
great
challenge
to
develop
structural
hydrogels
that
simultaneously
body
temperature-responsive,
adhesion-adaptable,
transparency-tunable.
Herein,
an
innovative
skin-mountable
thermo-responsive
is
fabricated,
which
endows
tunable
optical
properties
switchable
adhesion
at
different
temperatures.
Interestingly,
able
exhibit
lower
critical
solution
temperature
(LCST)
adapt
the
human
by
altering
acrylic
acid(AAc)
content
network.
The
also
displays
high
transparency
strong
low
temperatures,
while
becomes
opaque
feeble
Furthermore,
highly
sensitive
sensor
array
structure
constructed
harnessing
vat
photopolymerization
three-dimensional
(3D)
printing.
As
proof
of
concept,
attached
back
hand
capable
detecting
strain
differences,
integrating
high-temperature
monitoring
alarm
functions
visual
alteration.
This
work
provides
advanced
manner
fabricate
structured
responsive
hydrogels,
have
potential
application
prospects
field
smart
medical
patches
devices.
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 24, 2025
Flexible
wearable
electronic
devices
have
garnered
significant
interest
due
to
their
inherent
properties,
serving
as
replacements
for
traditional
rigid
metal
conductors
in
personal
healthcare
monitoring,
human
motion
detection,
and
sensory
skin
applications.
Here,
we
report
a
preparation
strategy
self-adhesive,
ultrahigh
stretchable
DGel
based
on
poly(acrylic
acid)
(PAA).
The
resulting
exhibits
high
tensile
strength
(approximately
2.16
MPa)
an
stretchability
5622.14%).
More
importantly,
these
meticulously
designed
DES
gels
demonstrate
signal
recognition
capabilities
under
strains
ranging
from
1
500%.
also
shows
excellent
cyclic
stability
durability
(5000
cycles
at
100%
strain),
exhibiting
superior
electromechanical
performance
strain
sensor.
of
is
attributed
the
synergistic
effects
chemical
physical
cross-linking
within
gel.
Additionally,
can
be
effortlessly
assembled
into
sensors.
By
integration
flexible
sensing
with
deep
learning,
fabricated
touch
system
achieves
identification
accuracy
up
99.33%.
This
advancement
offers
new
insights
designing
novel
variety
applications,
including
tissue
engineering,
sensing,
devices.
Materials Horizons,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
With
the
advances
and
ongoing
research
efforts
discussed
in
this
review,
a
continuous
breakthrough
high-performance
thermogalvanic
hydrogels
for
efficient
low-grade
heat
harvesting
wearable
electronics
health
monitoring
is
foreseeable.
