Materials,
Год журнала:
2024,
Номер
17(11), С. 2564 - 2564
Опубликована: Май 27, 2024
Bioinspired
structural
color
represents
a
burgeoning
field
that
draws
upon
principles,
strategies,
and
concepts
derived
from
biological
systems
to
inspire
the
design
of
novel
technologies
or
products
featuring
reversible
changing
mechanisms,
with
significant
potential
applications
for
camouflage,
sensors,
anticounterfeiting,
etc.
This
mini-review
focuses
specifically
on
research
progress
bioinspired
in
realm
camouflage.
Firstly,
it
discusses
fundamental
mechanisms
coloration
systems,
encompassing
pigmentation,
coloration,
fluorescence,
bioluminescence.
Subsequently,
delineates
three
modulation
strategies—namely,
photonic
crystals,
film
interference,
plasmonic
modulation—that
contribute
development
materials
devices.
Moreover,
review
critically
assesses
integration
environmental
contexts,
particular
emphasis
their
application
Finally,
paper
outlines
persisting
challenges
suggests
future
trends
camouflage
via
color.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 21, 2025
Abstract
Biological
structures
exhibit
autonomous
and
intelligent
behaviors,
such
as
movement,
perception,
responses
to
environmental
changes,
through
dynamic
interactions
with
their
surroundings.
Inspired
by
natural
organisms,
future
soft
robots
are
also
advancing
toward
autonomy,
sustainability,
interactivity.
This
review
summarizes
the
latest
achievements
in
untethered
based
on
1D
2D
nanomaterials.
First,
performance
of
actuators
designed
different
is
compared.
Then,
development
basic
locomotion
forms,
including
crawling,
jumping,
swimming,
rolling,
gripping,
multimodal,
mimicking
biological
motion
mechanisms
under
stimuli,
discussed.
Subsequently,
various
self‐sustained
movements
imbalance
static
stimuli
introduced,
light
tracking,
self‐oscillating,
self‐crawling,
self‐rolling,
flying.
Following
that,
progress
integrated
additional
functionalities
sensing,
energy
harvesting,
storage
summarized.
Finally,
challenges
faced
this
field
prospects
for
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
Advanced Materials,
Год журнала:
2025,
Номер
37(2)
Опубликована: Янв. 1, 2025
This
special
issue
spans
a
diverse
array
of
topics,
including
nanomedicine,
tissue
engineering,
regenerative
medicine,
organs-on-chips,
biosensing,
soft
robotics,
smart
devices,
nanofabrication,
energy
saving
and
storage,
catalysis,
spintronics,
electronics,
neuromorphic
computing.
It
showcases
the
breadth
depth
advanced
materials
research
at
Chinese
University
Hong
Kong
(CUHK),
highlighting
innovation,
collaboration,
excellence
CUHK's
scientists.
Chemical Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Continuous
porous
aromatic
framework
membranes
were
designed
and
constructed
to
achieve
the
first
example
of
ion
conductive
frameworks
continuous
that
dynamically
respond
chemical
acid/base
stimulus.
Abstract
Various
forms
of
intelligent
light‐controlled
soft
actuators
and
robots
rely
on
advanced
material
architectures
bionic
systems
to
enable
programmable
remote
actuation
multifunctionality.
Despite
advancements,
significant
challenges
remain
in
developing
that
can
effectively
mimic
the
low‐intensity,
wide‐wavelength
light
signal
sensing
processing
functions
observed
living
organisms.
Herein,
we
report
a
design
strategy
integrates
light‐responsive
artificial
synapses
(AS)
with
liquid
crystal
networks
(LCNs)
create
LCN
(AS‐LCNs).
Remarkably,
AS‐LCNs
be
controlled
intensities
as
low
0.68
mW
cm
−2
,
value
comparable
intensity
perceivable
by
human
eye.
These
perform
sensing,
learning,
memory
within
wide
wavelength
range
from
365
nm
808
nm.
Additionally,
our
system
demonstrates
time‐related
proofs
concept
for
tachycardia
alarm
porcupine
defense
behavior
simulation.
Overall,
this
work
addresses
limitations
traditional
reception
processing,
paving
way
development
emulate
cognitive
abilities
image
Developing
artificial
systems
with
autonomous
motion
is
essential
for
creating
devices
that
emulate
nature’s
adaptive
mechanisms.
Here,
we
introduce
a
light-driven
liquid
crystalline
network
snapper
integrates
both
sensing
and
actuation
capabilities,
enabling
responses
to
environmental
conditions.
Under
constant
light
illumination,
the
undergoes
spontaneous
snap-through
transformation
driven
by
elastic
instability
embedded
within
material.
The
achieves
out-of-equilibrium
through
continuous
energy
transfer
environment,
it
sustain
dynamic,
reversible
cycles
of
snapping
without
external
control.
We
demonstrate
ability
detect
changes—such
as
shifts
in
temperature,
surface
roughness,
color—demonstrating
form
embodied
intelligence.
This
work
offers
distinctive
strategy
designing
biomimetic
merge
intelligence
motion,
opening
pathways
advanced,
soft
robotics.
