Micromachines,
Год журнала:
2024,
Номер
15(6), С. 808 - 808
Опубликована: Июнь 20, 2024
Creatures
in
nature
make
extensive
use
of
structural
color
adaptive
camouflage
to
survive.
Cholesteric
liquid
crystals,
with
nanostructures
similar
those
natural
organisms,
can
be
combined
actuators
produce
bright
colors
response
a
wide
range
stimuli.
Structural
modulated
by
nano-helical
structures
continuously
and
selectively
reflect
specific
wavelengths
light,
breaking
the
limit
recognizable
human
eye.
In
this
review,
current
state
research
on
cholesteric
crystal
photonic
their
technological
applications
is
presented.
First,
basic
concepts
crystals
nanostructural
modulation
are
outlined.
Then,
responding
different
stimuli
(mechanical,
thermal,
electrical,
humidity,
magnetic,
pneumatic)
This
review
describes
practical
summarizes
prospects
for
development
these
advanced
as
well
challenges
promising
applications.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(21), С. 27650 - 27656
Опубликована: Май 15, 2024
Soft
actuators
possessing
notable
mechanical
deformations,
high
sensitivity,
and
fast
response
speed
play
a
crucial
role
in
various
applications,
such
as
artificial
muscles,
soft
robots,
intelligent
devices.
In
this
study,
smart
humidity-driven
actuator
was
successfully
fabricated
by
utilizing
MXene/cellulose
nanofiber
(CNF)/LiCl
(MCL)
through
vacuum-assisted
filtration
with
sensitivity.
Utilizing
the
excellent
humidity
responsiveness
of
MXene/CNF
robust
hygroscopicity
LiCl,
synergistic
effect
these
materials
enhances
hygroscopic
properties
actuator.
The
MCL
demonstrates
actuation
performance,
deformation,
reliable
cyclic
stability.
To
illustrate
extensive
potential
actuator,
range
from
bionic
devices
to
grippers
crawling
actuators,
are
showcased.
Remarkably,
sustained
motion
without
necessitating
switch,
relying
on
gradient
water
droplets,
exhibits
spontaneous
directional
motions
within
certain
range,
which
makes
it
promising
prospect
field
robotics.
National Science Open,
Год журнала:
2024,
Номер
unknown, С. 20240013 - 20240013
Опубликована: Июнь 1, 2024
Liquid
crystal
elastomer
(LCE)
is
a
soft
actuating
material
capable
of
producing
large
and
reversible
actuation
strain,
versatile
modes,
high
work
density,
which
can
be
exploited
for
next-generation
robots.
However,
the
slow
response
speed
low
power
density
in
LCE-based
actuators
remain
challenge,
limiting
their
practical
applications.
Researchers
have
been
considering
how
to
improve
these
performances.
In
this
review,
we
discuss
fundamentals
LCEs
emphasize
fast
strategies
developed
recent
years.
Firstly,
introduce
conventional
preparation
strategies.
Then,
describe
mechanisms
LCEs,
discussing
features
limitations.
third
part,
summarize
several
possible
approaches
as
case
studies
enhance
performance
including
reducing
physical
sizes,
introducing
active
heating
cooling
mechanisms,
utilizing
mechanical
instability,
developing
dielectric
LCEs.
Finally,
future
research
opportunities
challenges
rapid
Micromachines,
Год журнала:
2024,
Номер
15(6), С. 808 - 808
Опубликована: Июнь 20, 2024
Creatures
in
nature
make
extensive
use
of
structural
color
adaptive
camouflage
to
survive.
Cholesteric
liquid
crystals,
with
nanostructures
similar
those
natural
organisms,
can
be
combined
actuators
produce
bright
colors
response
a
wide
range
stimuli.
Structural
modulated
by
nano-helical
structures
continuously
and
selectively
reflect
specific
wavelengths
light,
breaking
the
limit
recognizable
human
eye.
In
this
review,
current
state
research
on
cholesteric
crystal
photonic
their
technological
applications
is
presented.
First,
basic
concepts
crystals
nanostructural
modulation
are
outlined.
Then,
responding
different
stimuli
(mechanical,
thermal,
electrical,
humidity,
magnetic,
pneumatic)
This
review
describes
practical
summarizes
prospects
for
development
these
advanced
as
well
challenges
promising
applications.
