Polymer Composites,
Год журнала:
2024,
Номер
45(14), С. 13285 - 13296
Опубликована: Июль 11, 2024
Abstract
Dielectric
elastomers
(DEs),
have
attracted
interest
because
they
can
replicate
the
behavior
of
muscles.
They
change
shape
when
subjected
to
an
electric
field.
A
novel
DE
is
proposed
in
this
study
that
incorporates
silicon
carbide
(SiC)
nanowires
into
silicone
rubber
(SR).
The
were
propagated
using
polycarbosilane
via
a
chemical
vapor
reaction
(CVR).
boronate
polymer
was
employed
promote
compatibility
between
SR
and
SiC
which
modified
nanowire
surfaces,
leveraging
strong
adhesive
quality
catechol
moiety.
Electrohydrodynamic
(EHD)
inkjet
printing
then
used
form
DEs
various
shapes.
These
had
substantial
dielectric
constants
order
4.46.
Significantly,
one
achieved
highest
actuated
area
strain
20.36%
field
16.5
V/μm,
demonstrating
excellent
driving
performance.
Furthermore,
fabricated
showed
pronounced
long‐term
stability,
meaning
are
capable
finding
applications
artificial
intelligence,
biomimetics,
aerospace,
other
disciplines.
Highlights
obtained
through
reaction.
with
moiety
modify
nanowires.
formed
shapes
by
printing.
very
large
strains
up
at
V/μm.
Advanced Materials,
Год журнала:
2024,
Номер
36(16)
Опубликована: Янв. 23, 2024
Abstract
With
the
commercialization
of
first‐generation
flexible
mobiles
and
displays
in
late
2010s,
humanity
has
stepped
into
age
electronics.
Inevitably,
soft
multifunctional
sensors,
as
essential
components
next‐generation
electronics,
have
attracted
tremendous
research
interest
like
never
before.
This
review
is
dedicated
to
offering
an
overview
latest
emerging
trends
sensors
their
accordant
future
development
(R&D)
directions
for
coming
decade.
First,
key
characteristics
predominant
target
stimuli
are
highlighted.
Second,
important
selection
criteria
introduced.
Next,
materials/structures
identified.
Specifically,
R&D
these
envisaged
based
on
trends,
namely
i)
decoupling
multiple
stimuli,
ii)
data
processing,
iii)
skin
conformability,
iv)
energy
sources.
Finally,
challenges
potential
opportunities
discussed,
new
insights
prospects
fast‐emerging
technology.
Chemical Society Reviews,
Год журнала:
2024,
Номер
53(7), С. 3485 - 3535
Опубликована: Янв. 1, 2024
Soft
actuators
are
gaining
significant
attention
due
to
their
ability
provide
realistic
tactile
sensations
in
various
applications.
However,
soft
nature
makes
them
vulnerable
damage
from
external
factors,
limiting
actuation
stability
and
device
lifespan.
The
susceptibility
becomes
higher
with
these
often
direct
contact
surroundings
generate
feedback.
Upon
onset
of
damage,
the
or
repeatability
will
be
undermined.
Eventually,
when
complete
failure
occurs,
disposed
of,
accumulating
waste
driving
consumption
natural
resources.
This
emphasizes
need
enhance
durability
for
continued
operation.
review
presents
principles
feedback
actuators,
followed
by
a
discussion
mechanisms,
advancements,
challenges
faced
realize
high
performance,
categorized
stimuli.
Diverse
approaches
achieve
evaluated,
including
self-healing,
resistance,
self-cleaning,
temperature
actuators.
In
sections,
current
potential
material
designs
identified,
paving
way
developing
durable
Advanced Materials Technologies,
Год журнала:
2023,
Номер
8(16)
Опубликована: Май 23, 2023
Abstract
The
ability
to
mechanically
stimulate
touch
receptors
over
the
entire
body
is
a
key
feature
for
fully
immersive
and
highly
realistic
virtual
reality
experience.
Haptic
stickers,
flexible
arrays
of
HAXELs
(hydraulically
amplified
TAXels),
that
enable
cutaneous
haptics
nearly
all
parts
body,
are
reported.
zipping
electrostatic
actuators
combine
stretchable
elastomers
high
permittivity
films
generate
both
strains
forces,
from
DC
200
Hz.
A
fabrication
process
enables
scaling
2
15
mm
in
diameter
presented,
allowing
tailor
different
wearables
such
as
wrist‐watches.
sizes
blocked
forces
100
800
mN,
with
displacements
850
µm,
well
above
sensation
thresholds.
Haptics
tests
Stickers,
5
×
10
devices,
on
palms,
back
hand,
neck,
arm,
dozen
volunteers,
done
users
reporting
pattern
recognition
success
many
locations.
Stickers
uniquely
offer
thin
lightweight
form‐factor,
which
does
not
limit
freedom
motion
user,
compatible
untethered
scenarios.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(48)
Опубликована: Авг. 24, 2024
Abstract
Dielectric
elastomers
(DEs)
are
widely
studied
and
applied
as
an
artificial
muscle
owing
to
their
combined
features
of
large
actuation
strain,
fast
response,
high
energy
density,
low
noise.
However,
scalable
fabrication
dielectric
elastomer
actuators
(DEAs)
with
driving
voltages
(100
s
volts)
mechanical
outputs
remains
challenging,
which
significantly
limits
wider
applications.
In
this
work,
processable,
high‐performance
(PHDE)
ultra‐thin
film
based
multilayer
DEAs
(PUT‐MDEAs)
through
optimized
dry‐stacking
process
fabricated.
The
obtained
ten‐layer
PUT‐MDEAs
show
at
200
V
reach
a
maximum
areal
strain
≈80%
800
V.
They
deliver
blocked
force
0.1
N
density
22
J
kg
−1
achieve
0.7
50
700
addition,
large‐area
fabricated
using
the
method,
adopted
build
low‐driving‐voltage
soft
pumps
robotic
fish,
showing
potential
for
practical
