MXene/VO2@PMMA Composite Film Multi‐responsive Actuator with Amphibious Motion
Small,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 16, 2025
Abstract
This
work
introduces
a
novel
composite
film
actuator
with
dual
actuation
mechanisms,
responsive
to
four
distinct
stimuli,
and
featuring
infrared
stealth
as
well
amphibious
locomotion
capabilities.
By
encapsulating
nanoscale
VO
2
phase‐change
materials
PMMA
coating
them
onto
thin
of
micrometer‐scale
Ti
3
C
T
x
MXene,
the
achieves
efficient
photothermal
conversion,
high
electrical
conductivity,
humidity‐responsive
actuation.
The
is
integrated
into
millirobots
capable
crawling,
grasping,
oscillating,
achieving
unrestricted
movement
on
water
surfaces.
These
demonstrate
rapid
response,
stability,
outstanding
performance
in
both
terrestrial
aquatic
environments,
90°
angular
change
s,
crawling
speed
10
mm
min
−1
land,
swimming
174
water.
Additionally,
this
proposes
mechanism
based
moisture
absorption
contraction
properties
further
expanding
application
potential
millirobots.
advancements
enable
navigate
confined
spaces
transport
sensitive
items
without
being
detected
by
sensors.
represents
substantial
leap
forward
soft
robotics
science,
paving
way
for
exploration
advanced
tailored
complex
applications.
Язык: Английский
A Kresling origami-enabled Soft Robot toward Autonomous Obstacle Avoidance and Wall-Climbing
Sensors and Actuators B Chemical,
Год журнала:
2025,
Номер
unknown, С. 137792 - 137792
Опубликована: Апрель 1, 2025
Язык: Английский
Heat-Responsive PLA/PU/MXene Shape Memory Polymer Blend Nanocomposite: Mechanical, Thermal, and Shape Memory Properties
Polymers,
Год журнала:
2025,
Номер
17(3), С. 338 - 338
Опубликована: Янв. 26, 2025
This
study
investigates
the
fabrication
and
characterization
of
heat-responsive
PLA/PU/MXene
shape
memory
polymer
blend
nanocomposites
with
varying
PLA
content
(10,
20,
30,
50%)
a
fixed
MXene
0.5
wt.%.
The
results
indicate
significant
improvements
in
mechanical
properties,
50%
showing
300%
increase
ultimate
tensile
strength
90%
decrease
%
elongation
compared
to
pure
PU.
Additionally,
exhibited
400%
flexural
strength.
Microstructural
analysis
revealed
dispersed
pores
sea–island
morphology
PU
blend.
Thermal
using
DSC
showed
an
crystallinity
from
33%
(pure
PU)
45%
for
blend,
indicating
enhanced
crystalline
domains
due
semi-crystalline
nature
MXene’s
influence
on
molecular
ordering.
TGA
demonstrated
improvement
thermal
stability,
onset
temperature
rising
185
°C
212
degradation
increasing
370
425
attributed
rigid
structure
stabilizing
effect.
Shape
testing
that
30%
achieved
best
fixity
recovery
optimal
performance,
whereas
higher
diminished
behavior.
Язык: Английский
Advanced development of smart stimulus-responsive cellulose-based composites through polymer science and nanoscale engineering: Preparation approaches and applications
Carbohydrate Polymers,
Год журнала:
2025,
Номер
unknown, С. 123611 - 123611
Опубликована: Апрель 1, 2025
Язык: Английский
An intelligent amphibious actuator based on C-ZIF67@SNF/PI composites
Chemical Engineering Journal,
Год журнала:
2024,
Номер
unknown, С. 159020 - 159020
Опубликована: Дек. 1, 2024
Язык: Английский
Microsensor‐Internalized Fibers as Autonomously Controllable Soft Actuators
Small,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 24, 2024
Abstract
Despite
their
strengths
in
flexibility
and
miniaturization,
the
stable
operation
of
soft
actuators
under
ever‐changing
environmental
biological
conditions
is
hindered
by
lack
applicable
methods
using
internal
sensors
to
detect
unintentional
stimuli.
Here,
integration
a
microscale
driving
source
single
fiber
via
thermal
drawing
presented
as
strategy
scalably
produce
autonomously
responsive,
feedback‐controllable
actuators.
The
regulation
input
electrothermal
stimuli
closed
loop
control
system
that
based
on
completely
coupled
sensory
components
enables
multimodal
actuation
fiber‐based
actuators,
which
further
demonstrated
through
preservation
actuating
conditions,
selected
devices
bundles,
modulation
motion
characteristics.
approach
manufacturing
controllable
can
expand
applications
kaleidoscopic
biomedical
bioengineering
fields
for
transportation,
robotics,
prosthetics.
Язык: Английский
Sunlight-Drivable Composite Film Using Carbon Nanopowder-doped PVDF and Liquid Crystal Polymer Network
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
17(3), С. 5352 - 5359
Опубликована: Дек. 26, 2024
Actuators
based
on
liquid
crystals
have
garnered
significant
attention
due
to
their
potential
applications
in
wearable
technology
and
bionic
soft
robots.
Composite
films
composed
of
crystal
polymer
networks
(LCNs)
other
stimulus-responsive
materials
exhibit
the
capability
convert
external
stimuli
into
mechanical
deformation.
However,
development
sunlight-driven
actuators
presents
challenges,
primarily
relatively
low
intensity
sunlight
limited
conversion
efficiency
photothermal
materials.
In
this
paper,
we
present
a
composite
film
fabricated
using
poly(vinylidene
fluoride)
doped
with
carbon
nanopowders
(PC)
as
material
combined
hybrid-alignment
network
film.
Under
midday
sun
during
summer,
is
heated
from
room
temperature
74.5
°C
quickly,
resulting
substantial
angle
change
235°.
Additionally,
by
can
demonstrate
phototactic
light-avoiding
rolling
behaviors.
This
sunlight-drivable
shows
considerable
promise
for
research
devices
powered
natural
light.
Язык: Английский