Polymer Composites,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 12, 2025
Abstract
Four‐dimensional
(4D)
printing,
as
a
revolutionary
additive
manufacturing
technology,
is
receiving
increasing
attention
and
research
nowadays.
Further,
the
combination
of
4D
printing
continuous
fiber‐reinforced
polymer
composites
(CFRPCs)
has
provided
new
ideas
for
designing
composite
structures
with
customized
functions.
Herein,
systematic
analysis
status
printed
CFRPCs
presented.
Smart
materials
such
shape
memory
polymers
(SMPs)
can
be
utilized
to
manufacture
achieve
change
over
time.
Firstly,
mechanism
SMPs
analyzed,
process
introduced.
Furthermore,
matrix,
fiber
reinforcements,
actuation
methods
are
classified
elaborated.
Subsequently,
various
CFRPCs,
including
honeycomb
structures,
auxetic
active
origami,
summarized.
Moreover,
application
prospects
technology
in
different
fields
discussed.
Finally,
an
outlook
on
future
development
directions
provided.
Highlights
The
Different
kinds
classified.
An
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 12, 2024
Abstract
The
development
of
nanocomposite
microwave
absorbers
is
a
critical
strategy
for
tackling
electromagnetic
pollution.
However,
challenges
persist
regarding
material
stability
and
achieving
broadband
absorption.
Herein,
novel
multi−scale
design
approach
metamaterial
proposed.
First,
series
bimetallic
(cobalt
copper)
semiconductive
metal–organic
framework
(SC−MOF)
crystals
with
atomically
resolved
structures
are
successfully
prepared
to
serve
as
building
blocks
metamaterials.
By
simply
adjusting
the
concentration
ratio
two
ions,
controllable
preparation
crystal
morphology
can
be
achieved.
This
enables
precisely
tune
absorption
peak
bandwidth
range
SC−MOF,
resulting
in
excellent
EMW
performance
(effective
bandwidth:
6.16
GHz,
minimum
reflection
loss:
−61
dB).
Based
on
this,
printable
inks
further
constructed
by
encapsulating
SC−MOF
polydimethylsiloxane
3D‐printed
multi−layered
based
woodpile
porous
architecture.
absorber
demonstrates
near‐perfect
spectrum
(with
11.33
GHz),
closely
matching
theoretical
simulations.
approach,
combining
precise
MOF
materials
construction
topological
structure
design,
offers
new
insights
absorbers.
Biosensors,
Journal Year:
2023,
Volume and Issue:
13(11), P. 976 - 976
Published: Nov. 7, 2023
The
promising
field
of
organic
electronics
has
ushered
in
a
new
era
biosensing
technology,
thus
offering
frontier
for
applications
both
medical
diagnostics
and
environmental
monitoring.
This
review
paper
provides
comprehensive
overview
electronics’
remarkable
progress
potential
applications.
It
explores
the
multifaceted
aspects
materials
devices,
thereby
highlighting
their
unique
advantages,
such
as
flexibility,
biocompatibility,
low-cost
fabrication.
delves
into
diverse
range
biosensors
enabled
by
electronics,
including
electrochemical,
optical,
piezoelectric,
thermal
sensors,
showcasing
versatility
detecting
biomolecules,
pathogens,
pollutants.
Furthermore,
integrating
wearable
devices
Internet
Things
(IoT)
ecosystem
is
discussed,
wherein
they
offer
real-time,
remote,
personalized
monitoring
solutions.
also
addresses
current
challenges
future
prospects
biosensing,
emphasizing
breakthroughs
medicine,
sustainability,
advancement
human
health
well-being.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(19)
Published: Feb. 2, 2024
Diverse
and
adaptable
modes
of
complex
motion
observed
at
different
scales
in
living
creatures
are
challenging
to
reproduce
robotic
systems.
Achieving
dexterous
movement
conventional
robots
can
be
difficult
due
the
many
limitations
applying
rigid
materials.
Robots
based
on
soft
materials
inherently
deformable,
compliant,
adaptable,
adjustable,
making
robotics
conducive
creating
machines
with
complicated
actuation
gaits.
This
review
examines
mechanisms
modalities
deformation
that
respond
various
stimuli.
Then,
strategies
composite
considered
build
toward
actuators
combine
multiple
for
sophisticated
movements.
Examples
across
literature
illustrate
development
as
free-moving,
entirely
soft-bodied
locomotion
gaits
via
careful
manipulation
external
The
further
highlights
how
application
functional
into
components
enhances
their
locomotive
abilities.
Finally,
taking
advantage
shape-morphing
properties
materials,
reconfigurable
have
shown
capacity
adaptive
enable
transition
environments
optimal
efficiency.
Overall,
varied
multimodal
robots,
positioning
make
real-world
applications
intricate
tasks.
Science Advances,
Journal Year:
2024,
Volume and Issue:
10(9)
Published: Feb. 28, 2024
Mechanically
transformative
electronic
systems
(TESs)
built
using
gallium
have
emerged
as
an
innovative
class
of
electronics
due
to
their
ability
switch
between
rigid
and
flexible
states,
thus
expanding
the
versatility
electronics.
However,
challenges
posed
by
gallium's
high
surface
tension
low
viscosity
substantially
hindered
manufacturability,
limiting
high-resolution
patterning
TESs.
To
address
this
challenge,
we
introduce
a
stiffness-tunable
gallium-copper
composite
ink
capable
direct
write
printing
intricate
TES
circuits,
offering
(~50
micrometers)
patterning,
conductivity,
bidirectional
soft-rigid
convertibility.
These
features
enable
bioelectronics
with
design
complexity
akin
traditional
printed
circuit
boards.
TESs
maintain
rigidity
at
room
temperature
for
easy
handling
but
soften
conform
curvilinear
tissue
surfaces
body
temperature,
adapting
dynamic
deformations.
The
proposed
makes
manufacturing
simple
versatile,
opening
possibilities
in
wearables,
implantables,
consumer
electronics,
robotics.
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
124(20), P. 11585 - 11636
Published: Oct. 11, 2024
Soft
robotics
presents
innovative
solutions
across
different
scales.
The
flexibility
and
mechanical
characteristics
of
soft
robots
make
them
particularly
appealing
for
wearable
implantable
applications.
scale
level
invasiveness
required
depend
on
the
extent
human
interaction.
This
review
provides
a
comprehensive
overview
robots,
including
applications
in
rehabilitation,
assistance,
organ
simulation,
surgical
tools,
therapy.
We
discuss
challenges
such
as
complexity
fabrication
processes,
integration
responsive
materials,
need
robust
control
strategies,
while
focusing
advances
actuation
sensing
mechanisms,
techniques.
Finally,
we
future
outlook,
highlighting
key
proposing
potential
solutions.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(32), P. 20606 - 20637
Published: Jan. 1, 2024
This
paper
reviews
the
progress
of
flexible
electrodes
in
recent
years,
including
substrates,
active
materials,
manufacturing
methods,
and
their
latest
applications
sensors,
energy
storage,
medical
healthcare.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(36), P. 24605 - 24616
Published: Aug. 26, 2024
Sweat
analysis
has
advanced
from
diagnosing
cystic
fibrosis
and
testing
for
illicit
drugs
to
noninvasive
monitoring
of
health
biomarkers.
This
article
introduces
the
rapid
development
wearable
flexible
sweat
sensors,
highlighting
key
milestones
various
sensing
strategies
real-time
analytes.
We
discuss
challenges
such
as
developing
high-performance
nanomaterial-based
biosensors,
ensuring
continuous
production
sampling,
achieving
high
sweat/blood
correlation,
biocompatibility.
The
potential
machine
learning
enhance
these
sensors
personalized
healthcare
is
presented,
enabling
tracking
prediction
physiological
changes
disease
onset.
Leveraging
advancements
in
electronics,
nanomaterials,
biosensing,
data
analytics,
biosensors
promise
revolutionize
management,
prevention,
prediction,
promoting
healthier
lifestyles
transforming
medical
practices
globally.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: May 9, 2024
Abstract
Achieving
a
simple
yet
sustainable
printing
technique
with
minimal
instruments
and
energy
remains
challenging.
Here,
facile
3D
is
developed
by
utilizing
reversible
salting-out
effect.
The
effect
induced
aqueous
salt
solutions
lowers
the
phase
transition
temperature
of
poly(N-isopropylacrylamide)
(PNIPAM)
to
below
10
°C.
It
enables
spontaneous
instant
formation
physical
crosslinks
within
PNIPAM
chains
at
room
temperature,
thus
allowing
solution
solidify
upon
contact
solution.
are
extrudable
through
needles
can
immediately
ions,
preserving
printed
structures,
without
rheological
modifiers,
chemical
crosslinkers,
additional
post-processing
steps/equipment.
crosslinking
de-crosslinking
polymer
demonstrate
recyclability
polymeric
ink.
This
approach
extends
various
PNIPAM-based
composite
incorporating
functional
materials
or
other
polymers,
which
offers
great
potential
for
developing
water-soluble
disposable
electronic
circuits,
carriers
delivering
small
materials,
smart
actuators.
