ACS Applied Electronic Materials,
Journal Year:
2024,
Volume and Issue:
6(5), P. 3734 - 3741
Published: April 24, 2024
Highly
conductive
carbonaceous
nanomaterials
derived
from
biomass
fibers
(e.g.,
loofah)
have
been
extensively
employed
in
flexible
sensors.
Nonetheless,
the
even
texture
of
carbonized
loofah
(CL)
constrained
contact
surface
area
with
adjacent
fibers,
given
its
conductivity.
Herein,
CL
interlocked
by
reduced
graphene
oxide
(rGO)
nanosheets
was
to
construct
highly
hydrogel,
which
served
as
sensor
module
and
triboelectric
nanogenerator
(TENG)
a
self-powered
sensing
system.
Originating
π–π
interaction,
rGO
can
be
firmly
fixed
on
act
bridge
reduce
electron
transfer
gap,
thereby
resulting
accelerated
transport.
Compared
pristine
electrical
conductivity
CL@rGO
hydrogel
improved
28.5
S/m
55.2
exhibits
performance
terms
output
when
incorporated
into
TENG
devices.
The
built-up
exhibited
remarkable
durability
for
more
than
10,000
cycles,
maximum
gauge
factor
(GF)
16021
rapid
response
time
20
ms.
Due
these
attributes,
is
capable
efficiently
monitoring
capacity
complex
human
activities.
considerable
potential
across
multiple
domains,
encompassing
wearable
electronics,
artificial
intelligence
devices
human-machine
owing
adaptable
characteristics.
Small,
Journal Year:
2024,
Volume and Issue:
20(35)
Published: April 29, 2024
Single-network
hydrogels
are
often
too
fragile
to
withstand
mechanical
loading,
whereas
double-network
typically
exhibit
significant
hysteresis
during
cyclic
stretching-releasing
process
due
the
presence
of
a
sacrificial
network.
Consequently,
it
is
considerable
challenge
for
designing
that
both
low
in
and
high
toughness
applications
requiring
dynamic
loads.
Herein,
study
introduced
novel
"sliding
tangle
island"
strategy
creating
tough
low-hysteresis
hydrogels,
which
prepared
through
situ
polymerization
highly
concentrated
acrylamides
(AM)
form
numerous
entanglements
within
MXene
spacing
without
any
chemical
crosslinker.
The
entangled
with
long
polyacrylamide
(PAM)
chains
island
served
as
relay
station
transmit
stress
neighboring
molecular
chains.
This
mechanism
helps
alleviate
concentration
enhances
energy
dissipation
efficiency,
thereby
reducing
hysteresis.
resulting
hydrogel
exhibited
exceptional
properties,
including
stretchability
(≈900%),
(less
than
7%),
(1.34
MJ
m
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 24, 2024
Abstract
The
intricate
muscle
arrangement
structure
endows
the
biological
tissues
with
unique
mechanical
properties.
Inspired
by
that,
a
mechanically
robust
and
multifunctional
anisotropic
Polyacrylamide/Sodium
alginate/Zirconium
ion/Carbon
dots
(PAM/SA/Zr
4+
/CDs,
PSZC)
hydrogel
is
developed
through
synergistic
effect
of
mechanical‐assisted
stretching,
Zr
metal‐coordination
CDs
embedding.
resulting
exhibited
an
impressive
tensile
strength
2.56
MPa
exceptional
toughness
10.10
MJ
m
−3
along
stretching
direction,
attributing
to
oriented
alignment
PAM
SA
molecular
chains
induced
metal‐coordination.
dense
network
endowed
PSZC
excellent
anti‐swelling
performance,
achieving
swelling
ratio
only
1.7%
after
being
stored
in
water
for
30
days.
presence
conferred
remarkable
electrical
conductivity
2.15
S
−1
hydrogel.
Furthermore,
integration
carbon
imparted
fluorescence
properties,
rendering
it
visual
sensing
capabilities.
Overall,
straightforward
strategy
proposed
fabricating
suitable
underwater
sensing,
offering
valuable
insights
development
high‐performance
sensors.
Journal of Materials Chemistry B,
Journal Year:
2024,
Volume and Issue:
12(12), P. 3092 - 3102
Published: Jan. 1, 2024
Conductive
hydrogel
sensors
have
attracted
attention
for
use
in
human
motion
monitoring
detection,
but
integrating
excellent
biocompatibility,
mechanical,
self-adhesive,
and
self-healing
properties,
high
sensitivity
into
a
remains
challenge.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(25), P. 32466 - 32480
Published: June 12, 2024
Multimodal
flexible
sensors,
consisting
of
multiple
sensing
units,
can
sense
and
recognize
different
external
stimuli
by
outputting
types
response
signals.
However,
the
recovery
recycling
multimodal
sensors
are
impeded
complex
structures
use
materials.
Here,
a
bimodal
sensor
that
strain
resistance
change
temperature
voltage
was
constructed
using
poly(vinyl
alcohol)
hydrogel
as
matrix
poly(3,4-ethylenedioxythiophene)/poly(styrenesulfonate)
(PEDOT:PSS)
material
due
to
its
conductivity
thermoelectric
effect.
The
plasticity
hydrogels,
along
with
simplicity
sensor's
components
structure,
facilitates
easy
recycling.
incorporation
citric
acid
ethylene
glycol
improved
mechanical
properties,
hysteresis,
antifreezing
properties
hydrogels.
exhibits
remarkable
strain,
characterized
high
sensitivity
(gauge
factor
4.46),
low
detection
limit
(0.1%),
fast
times,
minimal
excellent
stability.
Temperature
changes
induced
hot
air
currents,
objects,
light
cause
exhibit
sensitivity,
time,
good
Additionally,
variations
in
ambient
humidity
minimally
affect
response,
remains
unaffected
changes.
recycled
essentially
unchanged
for
temperature.
Finally,
applied
monitor
body
motion,
robots
stimuli.
Microsystems & Nanoengineering,
Journal Year:
2025,
Volume and Issue:
11(1)
Published: Feb. 27, 2025
Abstract
In
recent
years,
the
utilization
of
3D
printing
technology
in
micro
and
nano
device
manufacturing
has
garnered
significant
attention.
Advancements
have
enabled
achieving
sub-micron
level
precision.
Unlike
conventional
micro-machining
techniques,
offers
versatility
material
selection,
such
as
polymers.
been
gradually
applied
to
general
field
microelectronic
devices
sensors,
actuators
flexible
electronics
due
its
adaptability
efficacy
microgeometric
design
processes.
Furthermore,
also
instrumental
fabrication
microfluidic
devices,
both
through
direct
indirect
This
paper
provides
an
overview
evolving
landscape
technology,
delineating
essential
materials
processes
involved
fabricating
times.
Additionally,
it
synthesizes
diverse
applications
these
technologies
across
different
domains.
