Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 1, 2024
Abstract
The
development
of
1D
stimuli‐responsive
ultrathin
organic
nanomaterials
(UTONMs)‐based
hybrid
nanocomposites
with
tailored
functions
is
necessitated
to
construct
catalysts
adjustable
catalytic
performance.
Herein,
the
self‐assembly
ternary
amphiphilic
alternating
azopeptoids
into
micron‐scaled
peptoid
nanobelts
(PNBs)
reported
a
thickness
≈2.2
nm.
pendants
hydrophobic
conjugate
stacking
mechanism
accountable
for
formation
long‐ranged‐ordered
nanostructure,
whose
highly
dependent
on
length
suspended
side‐chains.
photo‐triggered
reversible
transition
from
PNBs
nanospheres
(≈92
nm)
rendered
by
photo‐isomerization
azobenzene
moiety
upon
irradiation
UV
and
visible
lights.
Moreover,
carboxyl‐modified
aggregates
are
employed
as
supports
load
Pd
nanoparticles,
successfully
preparing
nanocomposites.
As
proof‐of‐concept
experiment,
activity
both
control
these
evaluated
toward
chemo‐enzymatic
cascade
catalysis
3,3′,5,5′‐tetramethylbenzidine
oxidation
in
situ
UV–vis
spectroscopic
monitor.
Compared
nanospheres‐based
systems,
PNBs‐based
exhibited
larger
performance,
attributable
nanostructures
subsequent
ultrahigh
specific
surface
area.
photo‐controllable
recyclable
effectively
modulated
using
alternative
lights
three
cycles.
work
paves
an
appealing
avenue
prepare
UTONMs‐based
controllable
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(29)
Published: April 15, 2024
Abstract
Soft
robots
have
recently
attracted
increasing
interest
due
to
their
advantages
in
durability,
flexibility,
and
deformability,
which
enable
them
adapt
unstructured
environments
perform
various
complex
tasks.
Perception
is
crucial
for
soft
robots.
To
better
mimic
biological
systems,
sensors
need
be
integrated
into
robotic
systems
obtain
both
proprioceptive
external
perception
effective
usage.
This
review
summarizes
the
latest
advancements
flexible
sensing
feedback
technologies
applications.
It
begins
with
an
introduction
development
of
robots,
followed
by
in‐depth
exploration
smart
materials
advanced
manufacturing
methods.
A
detailed
description
modalities
methodologies
also
included
illustrate
continuous
breakthrough
technology.
In
addition,
applications
based
on
these
are
concluded
as
well.
The
challenges
promising
solutions
finally
discussed
analyzed
provide
a
prospect
future
development.
By
examining
recent
advances
intelligent
technologies,
this
dedicated
highlighting
potential
robotics
motivating
innovation
within
field.
Small,
Journal Year:
2024,
Volume and Issue:
20(27)
Published: Feb. 2, 2024
Abstract
Flexible
actuators
with
excellent
adaptability
and
interaction
safety
have
a
wide
range
of
application
prospects
in
many
fields.
However,
current
flexible
problems
such
as
fragility
poor
actuating
ability.
Here,
inspired
by
the
features
nacre
structure,
gradient
structured
actuator
is
proposed
mechanical
robustness
self‐healing
By
introducing
dynamic
boronic
ester
bonds
at
interface
between
MXene
nanosheets
epoxy
natural
rubber
matrix,
resulting
nanocomposites
ordered
micro‐nano
structures
exhibit
tensile
strength
(25.03
MPa)
satisfactory
repair
efficiency
(81.2%).
In
addition,
distribution
structure
endows
stable
photothermal
conversion
capability,
which
can
quickly
respond
to
near‐infrared
light
stimulation.
The
interlayer
covalent
bond
crosslinking
enables
good
response
speed
after
multiple
bending
capable
functional
damage.
This
work
introduces
bonding
into
actuators,
provides
reference
for
fabrication
soft
robots,
wearable,
other
healable
materials.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 19, 2024
Hydrogels
present
attractive
opportunities
as
flexible
sensors
due
to
their
soft
nature
and
tunable
physicochemical
properties.
Despite
significant
advances,
practical
application
of
hydrogel-based
sensor
is
limited
by
the
lack
general
routes
fabricate
materials
with
combination
mechanical,
conductive,
biological
Here,
a
multi-functional
hydrogel
reported
in
situ
polymerizing
acrylamide
(AM)
N,N'-bis(acryloyl)cystamine
(BA)
dynamic
crosslinked
silver-modified
polydopamine
(PDA)
nanoparticles,
namely
PAM/BA-Ag@PDA.
Compared
traditional
polyacrylamide
(PAM)
hydrogel,
BA-Ag@PDA
nanoparticles
provide
both
high-functionality
crosslinks
multiple
interactions
within
PAM
networks,
thereby
endowing
optimized
PAM/BA-Ag@PDA
significantly
enhanced
tensile/compressive
strength
(349.80
kPa
at
383.57%
tensile
strain,
263.08
90%
compressive
strain),
lower
hysteresis
(5.2%),
improved
conductivity
(2.51
S
m
ACS Applied Polymer Materials,
Journal Year:
2024,
Volume and Issue:
6(8), P. 4516 - 4524
Published: April 10, 2024
Tough
and
stretchable
self-healing
elastomers
are
highly
desired
for
applications
in
wearable
devices,
soft
robotics,
human
motion
detection.
However,
most
that
heal
at
room
temperature
suffer
from
poor
mechanical
properties.
In
this
study,
inspired
by
mussels,
a
dual
cross-linked
strategy
combines
weak
disulfide
bonds
strong
coordination
is
proposed
to
solve
the
above-mentioned
problems.
The
obtained
transparent
silicone
elastomer
shows
high
tensile
stress
(1.4
MPa),
stretchability
(2006%),
toughness
(14.7
MJ
m–3),
excellent
healing
efficiency
(97%)
temperature.
outstanding
performance
of
attributed
synergistic
effects
bonds.
network,
introduced
as
sacrificial
endow
with
property,
conductive
improving
robustness
elasticity.
Given
good
property
developed
elastomer,
it
enables
easy
construction
flexible
strain
sensors
electrical
conductivity
sensing
stability.
Our
study
provides
insights
into
development
self-healable
electronics.
Polymer Composites,
Journal Year:
2024,
Volume and Issue:
45(12), P. 11241 - 11251
Published: May 15, 2024
Abstract
Cyanate
(CE)
resin
and
ultrahigh‐molecular‐weight
polyethylene
(UHMWPE)
fiber
are
respectively
important
matrix
reinforcing
material
for
lightweight
high
wave‐transparent
composites.
However,
the
preparation
application
of
composites
is
limited
by
mismatch
molding
temperature
between
CE
UHMWPE
fiber.
The
best
method
to
solve
this
problem
catalyze
curing
reaction
reduce
its
from
270
135°C,
which
upper
heat‐resistance
In
study,
polysulfide
catalyst
(PSC)
was
used
reaction,
activation
energy
temperature.
apparent
CE‐PSC
decreases
107.2
60.7
kJ
mol
−1
,
glass
transition
257.2°C,
flexural
strength
tensile
120.2
60.8
MPa,
respectively.
As
a
result,
CE‐PSC/UHMWPE
composites,
molded
at
matching
have
low
density
1.05
g
cm
−3
dielectric
constant
2.4,
loss
0.006,
wave
transmittance
92.2%.
Therefore,
wide
prospect
in
field
light
weight
Highlights
A
novel
catalytic
can
be
cured
135°C
with
properties.
processing
solved.
Catalytic
CE/UHMWPE
