Industrial & Engineering Chemistry Research,
Journal Year:
2022,
Volume and Issue:
61(51), P. 18772 - 18779
Published: Dec. 13, 2022
Compared
with
pigments,
the
structural
colors
of
photonic
crystals
(PCs)
or
amorphous
PCs
attract
broad
attention.
Especially,
antifading
properties
make
them
good
candidates
for
automotive
coatings.
However,
covering
topcoat
on
their
surface,
which
is
necessary
to
color
layer
robust,
will
greatly
decrease
brightness
due
nearly
same
refractive
index
and
PCs.
Here,
we
propose
an
alternative
strategy
achieving
structural-colored
coatings
based
Mie
scattering
ZnO
spheres.
The
disordered
thin
layers
primer/steel
panels
are
obtained
by
a
spraying
method,
can
generate
vivid
noniridescent
strong
It
worth
noting
that
varnish
does
not
obviously
different
color-generating
mechanisms.
be
tuned
changing
diameter
Furthermore,
complex
patterns
easily
spray-coating
spheres
using
masks.
patterned
fully
covered
coating
chemical
mechanical
stability
prepared
substrates,
where
robust
offer
convenient
eco-friendly
choice
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(39)
Published: March 22, 2023
Abstract
The
rapid
development
of
additive
manufacturing
has
fueled
a
revolution
in
various
research
fields
and
industrial
applications.
Among
the
myriad
advanced
3D
printing
techniques,
two‐photon
polymerization
lithography
(TPL)
uniquely
offers
significant
advantage
nanoscale
print
resolution,
been
widely
employed
diverse
fields,
for
example,
life
sciences,
materials
mechanics,
microfluidics.
More
recently,
by
virtue
optical
transparency
most
resins
used,
TPL
is
finding
new
applications
optics
photonics,
with
nanometer
to
millimeter
feature
dimensions.
It
enables
minimization
elements
systems,
exploration
light‐matter
interactions
degrees
freedom,
never
possible
before.
To
review
recent
progress
related
research,
it
starts
fundamentals
material
formulation,
then
discusses
novel
fabrication
methods,
wide
range
These
notably
include
diffractive,
topological,
quantum,
color
optics.
With
panoramic
view
development,
concluded
insights
perspectives
future
potential
Exploration,
Journal Year:
2023,
Volume and Issue:
3(4)
Published: April 11, 2023
Luminescence
is
an
essential
signal
for
many
plants,
insects,
and
marine
organisms
to
attract
the
opposite
sex,
avoid
predators,
so
on.
Most
luminescent
living
have
ingenious
optical
structures
which
can
help
them
get
high
performances.
These
remarkable
efficient
been
formed
by
natural
selection
from
long-time
evolution.
Researchers
keenly
observed
enhanced
luminescence
phenomena
studied
how
these
happen
in
order
learn
characteristics
of
bio-photonics.
In
this
review,
we
summarize
enhancing
their
applications.
The
are
classified
according
different
functions.
We
focus
on
researchers
use
biological
inspirations
enhance
processes,
such
as
chemiluminescence
(CL),
photoluminescence
(PL),
electroluminescence
(EL).
It
lays
a
foundation
further
research
applications
enhancement.
Furthermore,
give
examples
enhancement
bio-inspired
information
encryption,
biochemical
detection,
light
sources.
show
that
it
possible
solve
complex
problems
Our
work
will
provide
guidance
biomimetic
optics,
micro-
nano-optical
structures,
luminescence.
Deleted Journal,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 4, 2024
Abstract
One
of
the
long‐sought‐after
goals
in
responsive
material
development
is
to
generate
and
tune
colors
for
advanced
emerging
applications
such
as
dynamic
displays,
light‐emitting
diodes,
lasers,
smart
windows,
chromic
fabrics,
high‐security
encryption,
visual
sensors.
Benefiting
from
atomically
thin
nature
well
strong
optical
interaction,
two‐dimensional
(2D)
materials
can
serve
color‐generating
centers
both
chemical
pigment
physical
interference
solution,
gels,
films,
matrix
interface
systems,
offer
new
promises
color
science
applications.
Concerning
tunability,
2D
systems
have
been
demonstrated
one
ideal
achieve
desired
goals,
including
change
composition,
layer
thickness,
strain,
magic
angle,
thermally/photically/chemically
responsive,
magnetically‐responsive,
electrically‐responsive,
mechanically‐responsive.
This
makes
it
an
attractive
prospect
device
optoelectronics,
nanomedicine.
However,
best
our
knowledge,
no
comprehensive
review
has
reported
specifically
on
color‐centered
aspects
materials.
In
this
review,
we
highlight
experimental
approaches
related
tuning
colors,
reflective
structural
transmissive
refine
challenges
propose
opportunities
future
studies
further
system.
Eventually,
anticipated
that
will
a
resource
source
inspiration
scientists,
open
up
avenues
advancement
fields
systems.
Small Methods,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 3, 2025
Abstract
Feynman's
statement,
“There
is
plenty
of
room
at
the
bottom”,
underscores
vast
potential
atomic
scale,
envisioning
microscopic
machines.
Today,
this
vision
extends
into
3D
space,
where
thousands
atoms
and
molecules
are
volumetrically
patterned
to
create
light‐driven
technologies.
To
fully
harness
their
potential,
designs
must
incorporate
high‐refractive‐index
elements
with
exceptional
mechanical
chemical
resilience.
The
frontier,
however,
lies
in
creating
spatially
micro‐optical
architectures
glass
ceramic
materials
dissimilar
compositions.
This
multi‐material
capability
enables
novel
ways
shaping
light,
leveraging
interaction
between
diverse
interfaced
compositions
push
optical
boundaries.
Specifically,
it
encompasses
both
integration
within
same
use
different
for
distinct
architectural
features
an
system.
Integrating
fluid
handling
systems
two‐photon
lithography
(TPL)
provides
a
promising
approach
rapidly
prototyping
such
complex
components.
review
examines
single
TPL
processes,
discussing
photoresin
customization,
essential
physico‐chemical
conditions,
need
cross‐scale
characterization
assess
quality.
It
reflects
on
challenges
characterizing
multi‐scale
outlines
advancements
structures.
roadmap
bridge
research
industry,
emphasizing
collaboration
contributions
advancing
micro‐optics.
Small,
Journal Year:
2023,
Volume and Issue:
19(47)
Published: July 21, 2023
Responsive
structural
colors
from
artificially
engineered
micro/nanostructures
are
critical
to
the
development
of
anti-counterfeiting,
optical
encryption,
and
intelligent
display.
Herein,
responsive
color
hydrogel
micropillar
array
is
demonstrated
under
external
stimulus
ethanol
vapor.
Micropillar
arrays
with
full
fabricated
via
femtosecond
laser
direct
writing
by
controlling
height
diameter
micropillars
according
FDTD
simulation.
Color-switching
achieved
in
<1
s
due
formation
liquid
film
among
micropillars.
More
importantly,
blueshift
sensitive
diameter,
instead
height.
The
a
772
nm
takes
400
ms
complete
vapor,
while
that
522
blueshifts
at
2400
ms.
Microscale
patterns
realized
employing
size-dependent
color-switching
designed
Moreover,
Morse
code
directional
arrays.
advantages
controllable
would
be
prospective
areas
dynamic
display,
anti-counterfeiting.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 31, 2024
Photonic
crystals
are
a
new
class
of
optical
microstructure
materials
characterized
by
dielectric
constant
that
varies
periodically
with
space
and
features
photonic
bandgap.
Inspired
natural
such
as
butterfly
scales,
series
artificial
developed
for
use
in
integrated
platforms,
biosensing,
communication,
other
fields.
Among
them,
colloidal
(CPCs)
have
gained
widespread
attention
due
to
their
excellent
properties
advantages,
ease
preparation
functionalization.
This
work
reviews
the
classification
self-assembly
principles
CPCs,
details
some
latest
biomedical
applications
large-area,
high-quality
CPCs
prepared
using
advanced
methods,
summarizes
existing
challenges
CPC
construction
application,
anticipates
future
development
directions
optimization
strategy.
With
further
advancements,
expected
play
more
critical
role
biosensors,
drug
delivery,
cell
research,
fields,
bringing
significant
benefits
research
clinical
practice.
Advanced Functional Materials,
Journal Year:
2022,
Volume and Issue:
33(9)
Published: Dec. 20, 2022
Abstract
Hydrogel
materials
endow
the
flat
optics
platform
with
active
tuning
capability,
owing
to
their
remarkable
humidity‐responsive
swelling
behavior.
Despite
recent
advances
in
hydrogel‐based
devices
for
spectral
tuning,
complex
patterning
processing
and
limited
functionality
obstruct
them
from
practical
applications.
Herein,
a
single‐step
direct‐printing
technique
is
originally
demonstrated
an
hydrogel
material
realizing
unprecedented
multi‐field
full‐color
display
dynamics.
Through
exploring
dose‐induced
shrinkage
on
polyvinyl
alcohol,
stepwise
nanocavities
sandwiched
by
ultrathin
metallic
films
can
be
directly
printed
grayscale
e‐beam
lithography.
Due
tunable
structural
coloration
nanocavity
scaling,
multi‐functionalities
are
successfully
created
optical
concealment,
dynamic
coloring,
holography.
By
encoding
cavity‐dependent
transmission
phase
into
direct‐printed
platform,
it
enables
projected
holographic
dynamics
real‐time
simply
exhalation,
beyond
static
or
monochromatic
switching.
The
proposed
displays
rapidly
respond
surrounding
humidity
change
at
millisecond‐level
(<
150
ms).
Such
strategy
represents
critical
advance
toward
display,
suggests
promising
applications
security,
gas
sensing,
multispectral
imaging,
holography,
next‐generation
techniques.
Nano Letters,
Journal Year:
2022,
Volume and Issue:
22(20), P. 8189 - 8195
Published: Oct. 13, 2022
Under
white
light
illumination,
gratings
produce
an
angular
distribution
of
wavelengths
dependent
on
the
diffraction
order
and
geometric
parameters.
However,
previous
studies
are
limited
to
at
least
one
parameter
(height,
periodicity,
orientation,
angle
incidence)
kept
constant.
Here,
we
vary
all
parameters
in
using
a
versatile
nanofabrication
technique,
two-photon
polymerization
lithography,
encode
hidden
color
information
through
two
design
approaches.
The
first
approach
hides
by
decoupling
effects
grating
height
periodicity
under
normal
oblique
incidence.
second
multiple
sets
arranging
sectors
around
semicircular
pixels.
Different
images
revealed
with
negligible
crosstalk
incidence
varying
sample
rotation
angles.
Our
analysis
shows
that
separation
≥10°
between
adjacent
is
required
suppress
crosstalk.
This
work
has
potential
applications
storage
security
watermarks.
