Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(23)
Published: Feb. 9, 2024
Abstract
Despite
recent
advances
in
colloidal
hydrogels,
designing
general
and
robust
strategies
that
enable
the
controlled
fabrication
of
hydrogels
with
strong
mechanical
properties
still
proves
challenging.
Herein,
statistical
copolymerization‐induced
self‐assembly
(
stat
‐PISA)
monomers
hydrogen
bonding
ability
is
developed
as
a
strategy
for
high
stretchability,
anti‐swelling,
self‐healing
abilities.
This
concept
first
verified
by
dispersion
copolymerization
acrylic
acid
diacetone
acrylamide,
yielding
copolymer
particles
further
coalesced
into
3D
network
due
to
interactions
hydrophobic
microdomains
on
surface.
Both
microstructure
can
be
readily
regulated
varying
‐PISA
formulation.
Besides,
hydrogel
selective
dye
adsorbent,
excellent
selectivity
positively
charged
dyes.
Due
its
anti‐swelling
property,
evaluated
flexible
strain
sensor
motion
detection
underwater.
The
broad
feasibility
this
demonstrated
three
additional
formulations,
which
all
yielded
good
properties.
anticipated
inspire
design
mechanics
tailor‐made
functionality,
broaden
potential
applications
hydrogels.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
34(1)
Published: Sept. 19, 2023
Abstract
Conductive
hydrogels
(CHs)
for
flexible
bioelectronic
devices
have
raised
great
attention
due
to
their
tunable
mechanical
performances,
adhesion,
anti‐swelling,
and
biocompatibility.
This
review
summarizes
the
current
development
of
conductive
hydrogel‐based
in
aspect
classifications
applications.
Firstly,
are
classified
into
two
kinds
according
types
conductivity:
ionic
electronic
(hydrogel
based
on
pure
materials,
introducing
micro/nano‐materials).
Secondly,
applications
device,
like
wearable
(strain
sensor,
body
fluid
detector,
serviced
extreme
environment),
tissue
engineering
(skin,
heart,
nerve,
muscle),
other
(bionic
robot,
cancer
treatment),
highly
illustrated.
Finally,
a
depth
outlook
is
given,
which
aims
promote
this
field
future.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(16), P. 9371 - 9399
Published: Jan. 1, 2024
We
present
a
comprehensive
review
of
the
recent
research
advances
in
field
sensors
based
on
hydrogels
with
nanofillers.
The
characteristics
and
design
strategies
nanofillers
are
highlighted
multiple
properties
conductive
nanocomposite
described.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(35)
Published: June 21, 2024
Real-time
continuous
monitoring
of
non-cognitive
markers
is
crucial
for
the
early
detection
and
management
chronic
conditions.
Current
diagnostic
methods
are
often
invasive
not
suitable
at-home
monitoring.
An
elastic,
adhesive,
biodegradable
hydrogel-based
wearable
sensor
with
superior
accuracy
durability
real-time
human
health
developed.
Employing
a
supramolecular
engineering
strategy,
pseudo-slide-ring
hydrogel
synthesized
by
combining
polyacrylamide
(pAAm),
β-cyclodextrin
(β-CD),
poly
2-(acryloyloxy)ethyltrimethylammonium
chloride
(AETAc)
bio
ionic
liquid
(Bio-IL).
This
novel
approach
decouples
conflicting
mechano-chemical
effects
arising
from
different
molecular
building
blocks
provides
balance
mechanical
toughness
(1.1
×
10
Exploration,
Journal Year:
2024,
Volume and Issue:
4(5)
Published: March 14, 2024
Abstract
Conductive
polymer
hydrogels
(CPHs)
are
gaining
considerable
attention
in
developing
wearable
electronics
due
to
their
unique
combination
of
high
conductivity
and
softness.
However,
the
absence
interactions,
incompatibility
between
hydrophobic
conductive
polymers
(CPs)
hydrophilic
networks
gives
rise
inadequate
bonding
CPs
hydrogel
matrices,
thereby
significantly
impairing
mechanical
electrical
properties
CPHs
constraining
utility
electronic
sensors.
Therefore,
endow
with
good
performance,
it
is
necessary
ensure
a
stable
robust
network
CPs.
Encouragingly,
recent
research
has
demonstrated
that
incorporating
supramolecular
interactions
into
enhances
interaction,
improving
overall
CPH
performance.
comprehensive
review
focusing
on
(SCPH)
for
sensing
applications
currently
lacking.
This
provides
summary
typical
strategies
employed
development
high‐performance
elucidates
SCPHs
closely
associated
Moreover,
discusses
fabrication
methods
classification
SCPH
sensors,
while
also
exploring
latest
application
scenarios
Finally,
challenges
sensors
offers
suggestions
future
advancements.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 31, 2024
Abstract
Conductive
hydrogels
have
emerged
as
fascinating
materials
for
flexible
electronics
because
of
their
integrated
conductivity,
mechanical
flexibility,
and
the
possibility
to
introduce
several
smart
functions.
However,
swelling
in
aqueous
environments
significantly
reduces
applicability
where
contact
with
water
is
unavoidable.
In
this
study,
a
physically
cross‐linked
composite
hydrogel
proposed,
that
transparent,
highly
stretchable,
anti‐swelling,
capable
autonomous
self‐healing,
adhesive,
anti‐freezing.
The
synthesized
through
simple
one‐step
photopolymerization
novel
deep
eutectic
solvent
(DES)/water
system.
Dynamic
physical
interactions,
including
hydrophobic
interaction,
hydrogen
bonding,
electrostatic
confer
remarkable
transparency
(92%),
self‐healing
capability
(up
94%),
good
adhesion
wide
array
substrates
(91
199
kPa),
high
toughness
(1.46
MJ
m
−3
),
excellent
elongation
at
break
2064%),
resistance
(equilibrium
ratio
3%
30
days)
even
solutions
different
pH
(pH
1–11),
other
solvents.
incorporation
DES
contributes
exceptional
anti‐freezing
performance.
transparent
sensor
achieves
multifunctional
sensing
human
motion
detection
sensitivity
stability.
Notably,
demonstrates
information
transmission
underwater
stretching
pressing,
showcasing
its
immense
potential
devices.