Advanced Optical Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 17, 2024
Abstract
Inspired
by
nature,
this
work
presents
a
scalable
method
to
produce
opalescent
3D
printing
filaments
with
angle‐dependent
structural
color.
Compared
conventional
colorants,
these
colors
provide
more
vivid
appearance,
possess
the
ability
dynamically
change
in
response
alterations
of
illumination,
and
may
feature
superior
longevity
as
well
durability.
Particle
synthesis
via
emulsion
polymerization
starved‐feed
mode
is
utilized
achieve
tailored
core–shell
particle
architecture.
During
processing,
thermoplastic
polyacrylate‐based
shells
form
continuous
matrix,
wherein
pristine
polystyrene
cores
self‐assemble.
The
colloidal
ordered
structure
thus
formed
selectively
scatters
light
according
Bragg's
law.
Adjusting
size
makes
perceived
easily
tunable
over
visible
spectrum.
are
printable
on
entry‐level
printers
comparable
settings
commercial
state‐of‐the‐art
print
quality.
With
work,
sustainable
iridescent
objects
novel
coloration
strategy
becomes
possible
for
everyone
–
from
hobbyists
customized
goods
industrial
prototypes
serial
production.
Critical Reviews in Food Science and Nutrition,
Год журнала:
2025,
Номер
unknown, С. 1 - 14
Опубликована: Янв. 15, 2025
Traditionally,
food
packaging
was
used
to
extend
the
shelf
life
of
or
monitor
its
condition.
Inspired
by
many
biological
structures
found
in
nature,
bio-inspired
functional
materials
for
bio-based
have
been
shown
significantly
improved
capabilities
over
traditional
various
aspects
and
attract
consumers
through
novel
freshness
preservation
features.
This
review
synthesizes
recent
advances
that
mimic
structure
natural
organisms
with
specific
functionalities,
examples
biomimetics
different
enhancement
areas.
In
general,
certain
disadvantages
compared
polymer
materials,
so
there
is
an
urgent
need
improvement
Biomimicry
further
inspires
realization
enhancing
some
basic
functions
(hydrophobicity,
mechanical
strength,
antimicrobial
properties,
optical
properties)
endowing
more
new
responsiveness
other
functions.
What
interesting
inspiration
bionics
taken
from
such
a
perspective
can
also
promote
progress
innovation
materials.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 16, 2025
Abstract
Blue
phase
liquid
crystals
(BPLCs)
are
regarded
as
self‐organized
3D
chiral
soft
photonic
with
iridescent,
tunable,
and
circularly
polarized
structural
colors.
However,
arbitrary
patterning
of
BPLCs
satisfactory
microscopic
self‐assembly
remains
challenging.
Here,
the
direct
ink
writing
using
BPLC
precursor
inks
is
reported.
The
dynamic
evolution
a
droplet
cooling
from
an
isotropic
state
to
blue
studied
prepare
mono‐domain
high
reflectivity.
diverse
macroscopic
design
patterns
can
be
obtained
by
printing
on
different
substrates,
controlled
enables
color
brightness,
reflection,
sufficient
thermal
stability
after
photo‐polymerization.
Interestingly,
angle‐dependent
optical
properties
printed
lines
faces
found
due
nanostructures
BPLCs.
research
disclosed
here
provides
unprecedented
controllability
in
fabrication
patterned
extends
their
applications
displays,
devices,
optics,
photonics.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 29, 2025
Abstract
Thin
film‐based
structural
coloration
predominantly
uses
an
elastomeric
substrate
and
active
materials,
which
exhibit
uniform
color
changes
under
external
stimuli
such
as
bending,
heat,
chemical
environments.
However,
generating
distinctive
colors
in
a
single
stimulation
is
challenging,
especially
for
microscale
pixel
arrays,
interact
more
spectral
ways
than
bare
thin
films
or
static
pixels.
This
study
presents
two‐step
photo‐cross‐linking
fabrication
approach
monolithic
arrays.
The
pixelated
structure
devised
using
ultraviolet‐curable
chitosan
(UVCC)
on
polydimethylsiloxane
with
controlled
thickness
at
the
nanoscales.
device
can
generate
bending‐based
reversible
wrinkles
different
sizes
according
to
of
UVCC.
Subsequently,
each
exhibits
thickness‐specific
covering
entire
visible
spectrum
when
bent.
By
coupling
four
pixels
colors,
it
demonstrated
that
unit
be
seen
combined
eyes.
To
demonstrate
micropixel
approach,
traditional
Korean
Dancheong
pattern
adopted
categorized
its
into
three
ones.
proposed
method
generates
distinguishable
between
pixels,
makes
this
strong
contender
pixel‐based
applications
anti‐counterfeiting,
camouflage,
security
printing.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 5, 2025
Photonic
materials
possess
tunable
optical
properties
and
have
been
widely
utilized
for
healthcare
applications.
These
enable
the
detection
of
physical
physiological
bio-signals
via
modulated
output
characteristics,
such
as
wavelength
shifts,
fluorescence
emission,
light
scattering.
When
further
synthesized
into
functional
photonic
inks,
multimodal
devices
epidermal,
minimally
invasive,
implantable
bio-sensing
can
be
constructed
in
facile
printable
manners.
This
review
first
introduces
different
geometries
their
unique
properties.
To
feasible
fabrication
multi-functional
biosensing
versatile
platforms,
synthesis
inks
as-printed
are
then
illustrated.
Subsequently,
advances
breakthroughs
to
construct
integrated
systems
wearable
applications
displayed,
especially
sensing
facilitate
personalized
remote
healthcare.
Finally,
challenges
achieving
mechanical
stability,
eliminated
degradation,
enhanced
biocompatibility
dynamic
biological
environments,
scalable
production
discussed,
along
with
prospects
toward
reliable
intelligent
ACS Applied Optical Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 27, 2025
Developing
approaches
to
tailor
iridescence
generated
by
microscale
structures
is
essential
for
applications
ranging
from
sensors
security
materials.
Here,
we
achieve
tunable
combining
refractory
interfaces
with
concave
microstructures
generate
multibounce
reflection
interference.
By
incorporating
designed
interfaces,
demonstrate
the
ability
control
distribution
of
illumination
angles
entering
structured
cavity
thereby
modulating
resulting
color
and
efficiency.
Experimental
analysis
Janus
droplets
combined
ray
tracing
simulations
highlight
how
elements
modify
optical
paths
reflections
alter
angle-dependent
coloration.
Additionally,
investigate
incorporation
axion
lenses
that
refract
focus
light
onto
microstructure
increase
efficiency
while
maintaining
saturation.
The
integration
reflective
cavities
provides
customizable
routes
structural
coloration
performance
interference,
advancing
design
high-performance
ABSTRACT
Textile‐based
structurally
colored
materials
have
emerged
as
a
captivating
field
of
research
and
innovation,
presenting
unparalleled
prospects
to
revolutionize
the
realm
textiles
their
diverse
applications.
This
review
paper
provides
comprehensive
overview
progress
made
in
manufacturing
methods
applications
textiles.
Based
on
principles
Bragg
diffraction
its
extended
theorems,
mechanisms
behind
generation
structural
colors
are
explored,
revealing
underlying
that
enable
coloration.
The
versatile
effective
strategies
adopted
for
fabrication
textile‐based
materials,
such
gravity
sedimentation,
spray
coating,
vertical
deposition,
screen
printing,
shear‐induced
assembly,
additive
or
three‐dimensional
(3D)
dip
electrophoretic
electrospinning
discussed.
discussed,
with
specific
focus
anti‐counterfeiting
measures,
biomedical
field,
radiative
cooling
aims
drive
fabricating
functionalizing
ultimate
goal
expanding
fields.
Macromolecular Rapid Communications,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 10, 2025
Abstract
The
unique
optical
properties
of
structural
colors
found
in
nature
garner
significant
attention.
Inspired
by
these
natural
phenomena,
scientists
develop
a
variety
stimuli‐responsive
hydrogel
photonic
materials
with
periodic
structures
that
can
adjust
their
response
to
environmental
changes.
In
recent
years,
the
emergence
continue
grow,
showcasing
potential
various
advanced
applications.
This
article
reviews
latest
advancements
materials,
focusing
on
classification,
manufacturing
methods,
and
practical
It
provides
detailed
descriptions
across
different
dimensions
highlights
derived
from
microstructures.
Additionally,
outlines
innovative
technologies
are
employed
creating
diverse
structures.
These
demonstrate
sensitivity
range
external
stimuli,
including
temperature,
humidity,
pH,
light
exposure,
mechanical
force,
allowing
for
dynamic
adjustments
both
structure
performance.
Furthermore,
discusses
typical
applications
areas
such
as
visual
sensing,
anti‐counterfeiting
technology,
drug
delivery.
Last,
it
examines
current
challenges
faced
field
offers
forward‐looking
insights
regarding
future
application
materials.
