Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 17, 2024
Abstract
Improving
the
compatibility
between
high
concentration
metallic
ions
and
zwitterions
to
controllable
construction
of
coordination
bonds
is
critical
extremely
challenging.
Here,
a
facile
effective
strategy
fabricate
multifunctional
hydrogels
by
randomly
copolymerizing
halometallate
ionic
liquids
(ILs)
through
electron
beam
irradiation
reported.
Introducing
metal
into
ILs
can
balance
charges
establish
moderate
stable
cross‐linked
networks
with
zwitterions.
The
synergistic
effect
multiple
interactions
varying
strengths
endows
hydrogel
outstanding
stretchability,
compressive
strength,
rapid
response,
advanced
self‐healing
ability,
excellent
frost
resistance.
sensor
assembled
from
timely,
accurately,
stably
monitor
human
movement,
write
anti‐counterfeiting
remotely
transmit
Morse
code
signals.
Multiple
sensors
are
also
flexible
array
track
tactile
trajectory
detect
spatial
distribution
force.
Moreover,
obtained
displays
temperature
sensitivity
resistance
coefficient
−3.85%
°C
−1
at
25–40
°C,
which
tiny
changes
(0.1
°C).
Interestingly,
processed
effectively
modulate
transmissivity
salt
triggering
achieve
patterning.
Considering
structural
designability
ILs,
this
work
provides
new
insights
for
development
hydrogels.
Nano-Micro Letters,
Год журнала:
2025,
Номер
17(1)
Опубликована: Фев. 17, 2025
Abstract
Rapid
population
growth
in
recent
decades
has
intensified
both
the
global
energy
crisis
and
challenges
posed
by
climate
change,
including
warming.
Currently,
increased
frequency
of
extreme
weather
events
large
fluctuations
ambient
temperature
disrupt
thermal
comfort
negatively
impact
health,
driving
a
growing
dependence
on
cooling
heating
sources.
Consequently,
efficient
management
become
central
focus
research.
Traditional
systems
consume
substantial
energy,
further
contributing
to
greenhouse
gas
emissions.
In
contrast,
emergent
radiant
technologies
that
rely
renewable
have
been
proposed
as
sustainable
alternatives.
However,
achieving
year-round
without
additional
input
remains
formidable
challenge.
Recently,
dynamic
radiative
emerged
most
promising
solution,
offering
potential
for
energy-efficient
adaptation
across
seasonal
variations.
This
review
systematically
presents
advancements
management,
covering
fundamental
principles,
switching
mechanisms,
primary
materials,
application
areas.
Additionally,
key
hindering
broader
adoption
are
discussed.
By
highlighting
their
transformative
potential,
this
provides
insights
into
design
industrial
scalability
these
innovations,
with
ultimate
aim
promoting
integration
applications.
ACS Applied Electronic Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 30, 2024
Hydrogel
strain
sensors
are
emerging
in
the
preparation
of
various
flexible
electronic
devices,
particularly
wearable
skin,
and
smart
medical
devices.
However,
with
rapid
development
electronics
industry,
traditional
hydrogel
insufficient
mechanical
properties,
limited
frost
resistance,
poor
water
retention
have
promoted
functional
design
rational
construction
become
a
topic
current
interest
for
enhancing
hydrogel-based
practical
applications
next-generation
industrialization.
Therefore,
it
is
necessary
to
understand
functionalization
strategies
summarize
latest
research
progress
maximum
performance
devices
applications.
Herein,
this
review
presents
classification
structural
characteristics
materials
sensing
mechanisms
sensors.
Then,
we
hydrogels
examine
advanced
improved
usage
functionality.
Finally,
application
scenarios
future
prospects
functionalized
discussed.
This
provides
meaningful
reference
tailored
multifunctional
industry.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 28, 2024
Abstract
Piezoionics,
a
new
frontier
that
employs
mobile
ions
as
energy
and
charge
carriers,
plays
an
important
role
in
intelligent
electronics.
However,
significant
challenge
consists
balancing
the
structural
design
of
metal
coordination
hydrogel
(HG‐MI)
piezoionics
for
current
conduction,
voltage
generation,
especially
mechanical
adaptability.
Herein,
inspired
by
spider
webs'
unique
structure,
strategy
realizing
full
potential
metal‐ligand
([(OH)Cl
2
]
3−
)
to
facilitate
keggin‐type
structure
AlOHAlOH
generation
together
with
activate
functional
carboxyls
is
introduced.
Impressively,
whole
property
product
HG‐Al
PAC
,
performance
improved.
For
example,
toughness
2.75
MJ
m
−3
more
than
twofold
traditional
AS/AC/AN
samples.
Due
stable
fixation
─Al─OH─
thus
promoting
Cl
−
separation
upon
external
force,
achieves
piezoionic
coefficient
0.89
mV
KPa
−1
conversion
efficiency
1.29%,
promising
mechanical‐electrical
sensing.
Combined
good
excellent
properties,
underscores
its
tactile
nerve
system
analgesia
patients
prevent
them
from
being
injured.
This
work
intends
provide
stride
toward
mechanically
robust
self‐powered
sensors
offer
insights
into
ionotropic
materials
harvesting,
human‐machine
interaction,
biointerface.
Polymer science & technology.,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 12, 2024
Conductive
hydrogels
have
garnered
significant
attention
in
the
realm
of
future
flexible
electronic
devices
due
to
their
properties
such
as
flexibility,
electrical
conductivity,
frost
resistance,
and
biocompatibility.
However,
integration
numerous
functional
applications
biomedical
field
still
presents
notable
challenges.
In
this
research,
a
rigid
hard-structured
network
was
formed
by
cross-linking
gallic
acid
grafted
chitosan
(CS–GA)
tannic
(TA)
with
poly(vinyl
alcohol)
(PVA)
through
physical
freezing.
The
noncovalent
hydrogen
bonding
during
freezing
thawing
process
facilitated
formation
microcrystalline
domains
amorphous
hydrogel
system.
Functional
proteins
from
eggshell
membrane
were
cross-linked
tetra-armed
poly(ethylene
glycol)
maleimide
(4am-PEG-MAL)
via
thiol-olefin
click
chemistry,
lysozyme
incorporated
into
an
antibacterial
component
nucleophilic
substitution
reaction.
These
chemical
methods
resulted
soft-structured
that
enhanced
mechanical
(maximum
stress
2.15
MPa
elongation
605%).
use
ionic
liquids/ethylene
glycol/water
(ILs/EG/H2O)
ternary
solvents
instead
single
solvent
not
only
provided
resistance
but
also
imparted
excellent
conductivity
(0.37
±
0.04
S/m).
Notably,
organohydrogel
showed
good
antimicrobial
biocompatibility
effective
providing
emergency
cooling
after
fireworks
burns
promoting
wet
healing
broken
skin
minimize
scarring.
field,
multifunctional
can
serve
wearable
device
monitor
movement
amplitude
wounds
real-time,
offering
novel
approach
deep
learning-assisted
wound
healing.
nature
biological
promising
applications.
