Robust and Durable Photonic Crystal with Liquid-Repellent Property for Self-Cleaning Coatings and Structural Colored Textiles
Wei-Long Bi,
An Tang,
Yu Tian
и другие.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(27), С. 35639 - 35650
Опубликована: Июнь 25, 2024
Photonic
crystal
coatings
with
unique
structural
colors
and
self-cleaning
properties
have
been
providing
an
efficient
way
for
substrate
coloration.
However,
the
enhancement
of
robustness
durability
colored
to
meet
requirements
in
diverse
environments
remains
a
challenging
task.
Here,
realize
application
photonic
films
under
various
kinds
conditions,
we
present
poly(fluoroalkyl
acrylate)-based
colloidal
(fCPC)
coating.
Fluorinated
core–interlayer–shell
(FCIS)
particles
polystyrene
(PS)
core,
poly(methyl
methacrylate)
(PMMA)
interlayer,
acrylate-ethyl
acrylate-butyl
acrylate)
(P(FA-EA-BA))
shell
copolymers
first
prepared
by
stepwise
emulsion
polymerization.
fCPCs
self-supporting
property,
reprocessing
ability,
friction
resistance,
as
well
excellent
wettability
liquid-repellent
are
successfully
obtained
via
bending-induced
ordering
technique
(BIOT).
When
applied
antifouling
applications,
fCPC
film
exhibits
resistance
against
oil
inorganic
liquids.
Furthermore,
demonstrate
their
outdoor
conditions
maintaining
stable
color
appearances
during
rainy
sunny
conditions.
Additionally,
electronic
product
adhered
is
presented,
which
surface
that
clean
even
after
prolonged
usage
comparison
conventional
CPC
Structural
textiles
enhanced
stability
functionalized
achieved
through
one-step
process
using
FCIS
particles.
Therefore,
developed
comprehensive
capable
withstanding
may
open
up
new
avenues
advancement
coloration
decoration,
vehicle,
textile,
building.
Язык: Английский
Biaxial Mechanochromic Behaviors of Mechanically Heterogeneous Colloidal Photonic Crystal Weave
Advanced Optical Materials,
Год журнала:
2024,
Номер
12(19)
Опубликована: Апрель 27, 2024
Abstract
Non‐close‐packed
colloidal
photonic
crystals
(CPhCs)
are
widely
employed
in
biomimetic
strain
sensors
as
they
exhibit
mechanochromism
due
to
changes
the
crystal
lattice
spacing
under
stress.
However,
structural
color
of
a
CPhC
film
with
an
incompressible
polymer
matrix
modulation
thickness
deformation,
which
makes
it
difficult
visualize
magnitude
and
direction
To
address
this
limitation,
elastic
modulus‐controlled
films
stress‐responsive
mechanochromic
behavior
fabricated.
While
each
shows
same
change
constant
strain,
is
controlled
differently
Combining
prepared
different
modulus
values
enhanced
strain‐responsive
sensitivity
by
≈25
times.
A
mechanically
heterogeneous
weave
structure
demonstrates
unique
biaxial
response
based
on
These
findings
suggest
that
can
serve
versatile
strain/stress
provide
visual
information
about
applied
stress
multiple
dimensions.
Язык: Английский
The Design, Synthesis, and Characterization of Photochromic and Mechanochromic Functional Fibers
Macromolecular Rapid Communications,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 27, 2025
Abstract
Mechanically
responsive
polymer
materials
have
garnered
significant
interest
due
to
their
unique
ability
respond
external
forces,
leading
groundbreaking
applications
in
visual
stress
mapping
and
damage
detection.
However,
use
fibers
remains
relatively
unexplored.
In
this
study,
a
mechanoresponsive
is
synthesized
by
incorporating
spiropyran
(SP)
mechanophore
into
polyurethane
backbone.
Based
on
polyurethane,
mechanochromic
are
fabricated
via
solution
spinning.
The
exhibits
clear
color
change
from
colorless
blue
when
subjected
tensile
or
ultraviolet
irradiation,
triggered
the
activation
of
SP
mechanophore.
Furthermore,
mechanical
sensitivity
can
be
tailored
adjusting
orientation
chains
through
hot
stretching.
Fibers
higher
pre‐stretching
during
post‐processing
displayed
response
at
lower
strain
levels.
Various
pre‐stretched
then
made
barcode,
which
distinct
dynamic
information
innovative
application
function
fibers,
capable
storing
response,
offers
novel
approach
development
anti‐counterfeit
fibers.
Язык: Английский
pH- and Anion-Responsive Poly(1-vinylimidazole) Opal Films for Smart Sensing
ACS Applied Polymer Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 4, 2025
Язык: Английский
Dual-Layer Polymer-Dispersed Liquid Crystals Doped with Thermochromic Microcapsules for Information Encryption and Visible Light Camouflage
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 7, 2025
The
development
of
camouflage
materials
that
are
adapted
to
various
environmental
conditions
and
actively
switch
can
greatly
improve
stealth
reliability.
However,
the
with
stimulus-responsive
structural
colors
in
conjunction
electro-optical
properties
liquid
crystal
ability
their
optical
under
remains
a
major
challenge.
Here,
breakthrough
bilayer
polymer
dispersed
(PDLC)
system
integrated
electron-transferring
organic
compound
microcapsules
(ETOCM)
was
presented
achieve
multimodal
adaptation
through
synergistic
electrical/thermal
triggering.
hybrid
were
able
between
different
colors,
transparency,
scattering
states,
maintained
high
contrast
at
lower
driving
voltages.
Among
which,
PDLC
doped
ETOCM
is
used
for
thermally
triggering
color
shift
without
leaking
dye;
UV
intensity
controlled
by
zonal
polymerization
process
produce
localized
pattern
permits
stepwise
electric-field-driven
decryption.
In
flexible
dual-layer
design
PVA
separator
layer,
areas
exceeds
100
easily
visible
naked
eye.
Unlike
previous
static
or
single-stimulus
systems,
material
dynamically
adapt
environments.
By
coordinating
thermochromic
electro-optic
mechanisms,
fast
multiresponse
dual
encryption
(thermal/electric
field)
achieved.
This
work
bridges
gap
adaptive
real-world
applications,
offering
transformative
potential
information
security
wearable
technology.
Язык: Английский
Structural Colors Derived from the Combination of Core–Shell Particles with Cellulose
Advanced Photonics Research,
Год журнала:
2024,
Номер
5(10)
Опубликована: Июль 22, 2024
Combining
cellulose‐based
components
with
functional
materials
is
highly
interesting
in
various
research
fields
due
to
the
improved
strength
and
stiffness
of
combined
their
low
weight.
Herein,
mechanical
properties
opal
films
are
by
incorporating
cellulose
fibers
microcrystalline
cellulose.
This
evidenced
increase
tensile
162.8%
after
adding
10
wt%
For
this
purpose,
core–shell
particles
a
rigid,
crosslinked
polystyrene
core
soft
shell
poly(ethyl
acrylate)
acrylate
‐co
‐hydroxyethyl
methacrylate)
synthesized
via
starved‐feed
emulsion
polymerization.
The
particles’
well‐defined
shape,
morphology,
thermal
analyzed
using
transmission
electron
microscopy,
scanning
differential
calorimetry
measurements.
Free‐standing
mechanochromic
incorporated
structural
colors
obtained
processing
extrusion
melt‐shear
organization
technique.
homogeneous
distribution
within
composite
material
investigated
fluorescent‐labeled
film's
angle‐dependent
color
demonstrated
reflection
spectroscopy.
Язык: Английский
Photothermally Reconfigurable Biomimetic Photonic Structures Prepared via Crystallization of Polydopamine‐Incorporated Core–Shell Nanoparticles
Advanced Optical Materials,
Год журнала:
2024,
Номер
12(30)
Опубликована: Июль 30, 2024
Abstract
Some
creatures
have
periodic
nanostructures
and
chromophores
in
their
flexible
organs
that
allow
them
to
control
the
color
shape
of
skin.
Artificial
photonic
structures
can
mimic
aforementioned
ability
these
natural
are
researched
extensively.
In
this
study,
polydopamine‐incorporated
core–interlayer–shell
(CIS‐PDA)
nanoparticles
capable
reconfiguration
expressing
vivid
structural
colors
designed.
These
be
readily
assembled
produce
colloidal
crystals
(CPhCs)
exhibit
by
virtue
light‐absorbing
capability.
Soft
CPhC
films
prepared
with
undergo
stable
elastic
deformation
at
15%
strain
mechanochromic
properties.
Specifically,
PDA
CIS
absorb
broadband
light
a
photothermal
effect
resembling
melanosomes
living
organisms,
which
enables
self‐healing
between
multiple
films.
Due
favorable
properties,
study
represent
promising
photothermally
reconfigurable
materials.
Moreover,
arbitrarily
shaped
2D
or
3D
surfaces
conformally
coated
via
microimprinting
vacuum
wrapping,
courtesy
reconfigurability
findings
suggest
CIS‐PDA
used
as
form‐free
sensors
nonfading
optical
for
industrial
products.
Язык: Английский
Filaments for 3D Printing of Iridescent Structural Colors
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.
Язык: Английский
Tailored Interaction between Cellulose Nanowhiskers and Core–Shell Particles Determines the Optical and Mechanical Properties in Hybrid Films
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(46), С. 64377 - 64387
Опубликована: Ноя. 7, 2024
Hybrid
materials
of
core–shell
particles
and
cellulose
nanowhiskers
(CNWs)
were
synthesized
to
produce
opal
films
with
increasing
tensile
strength.
After
the
incorporation
CNWs
into
processed
particle
films,
differences
in
mechanical
optical
properties
noticeable,
which
stemmed
from
adhesion
forces
between
particles'
shell
material.
Two
different
compositions
compared,
using
polystyrene
as
cores,
either
poly(ethyl
acrylate)
(PEA)
or
a
copolymer
ethyl
acrylate
3
wt
%
2-hydroxyethyl
methacrylate
(HEMA)
Stronger
interactions
containing
HEMA
displayed
via
atomic
force
microscopy
manipulation
experiments,
where
higher
required
deliberately
move
P(EA-co-HEMA)
on
CNW
substrate
compared
PEA
particles.
The
stronger
interaction
behaviors
increased
disorder
within
toward
photonic
glasses
angle-independent
structural
colors.
Also,
increase
strength
<1
MPa
at
content
0
6
optimal
15
was
more
pronounced
particle-cellulose
mixture
only
shell.
Thus,
presence
hydroxy
groups
material
molecular
level
significantly
influenced
macroscopic
level.
Язык: Английский