Structural Color Colloidal Photonic Crystals for Biomedical Applications
Advanced Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 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.
Язык: Английский
Lignin Ultrafiltration Fractionation and Self-Assembly to Monodisperse Nanoparticles for Photonic Materials
ACS Omega,
Год журнала:
2025,
Номер
10(6), С. 6210 - 6219
Опубликована: Фев. 5, 2025
Lignin,
a
natural
aromatic
polymer,
is
promising
candidate
for
sustainable
photonic
materials.
However,
its
heterogeneity
hinders
uniform
nanoparticle
production.
This
study
employs
membrane
ultrafiltration
to
fractionate
alkaline
lignin
into
five
molecular
weight
fractions
(UL1-UL5)
and
synthesizes
nanoparticles
(LNPs)
via
antisolvent
self-assembly.
Low-molecular-weight
yielded
highly
uniform,
monodisperse
LNPs
(PDI
<
0.1),
while
higher-molecular-weight
produced
irregular
particles.
Notably,
strong
correlation
between
size
was
observed,
with
particle
decreasing
as
the
increased.
Atomic
force
microscopy
density
functional
theory
simulations
provided
insights
intermolecular
interactions
of
fractions,
showing
that
low-molecular-weight
exhibited
stronger
forces,
facilitating
ordered
These
findings
underscore
pivotal
role
in
tailoring
properties
achieving
precise
control
over
formation.
highlights
potential
ultrafiltration-based
approaches
producing
lignin-based
materials
customizable
optical
properties.
Язык: Английский
Fabrication of Large-Area, Crack-Free Inverse Opals on Microfluidic Chips via Wet Infiltration
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 25, 2025
Inverse
opals
(IOs)
exhibit
attractive
optical
properties
and
high
interconnected
porosity;
however,
the
large-area
fabrication
of
continuously
ordered
IOs
remains
challenging.
This
study
presents
a
method
for
preparing
crack-free
IO
hydrogel
films
using
microfluidic
chip.
Through
"wet
infiltration"
technique,
drying
process
template
is
eliminated,
thereby
avoiding
dense
cracks
that
result
from
particle
shrinkage.
The
fabricated
achieve
long-range
order
with
lateral
dimensions
1
×
1.2
cm2
thicknesses
mm,
thickness
precisely
controlled
chamber.
absence
covering
layer
exposes
highly
porous
photonic
structures
on
surface
film.
Additionally,
this
preparation
adopts
varying
ratios
precursors,
making
it
suitable
various
applications.
represents
simple,
cost-effective,
scalable
approach
generating
thick
diverse
Язык: Английский
Bio-inspired multifunctional flexible visual sensors based on structural color materials
Chemical Engineering Journal,
Год журнала:
2025,
Номер
unknown, С. 161344 - 161344
Опубликована: Март 1, 2025
Язык: Английский
Structural Color Coating with Anti-fouling and Antibacterial Functions Based on Photonic Crystals Constructed by Fluorinated Polymer Microspheres with Quaternary Ammonium Salt Groups
Chemical Research in Chinese Universities,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 4, 2025
Язык: Английский
Chameleon-inspired structural color fabrics with photoelectric dual-signal outputs for human motion monitoring
Journal of Colloid and Interface Science,
Год журнала:
2025,
Номер
unknown, С. 137538 - 137538
Опубликована: Апрель 1, 2025
Язык: Английский
Ultra‐Bright Stimuli‐Responsive Photonic Crystals for High‐Performance Anticounterfeiting Coatings
Ziqiang Tian,
Jinyao Zhu,
Qilin Guo
и другие.
Advanced Optical Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 9, 2024
Abstract
Photonic
crystals
(PCs)
with
unique
light
manipulation
capability
have
attracted
widespread
attentions.
However,
weak
photonic
bandgaps,
poor
structural
color
saturation,
and
tedious
preparation
process
restrict
their
further
development
practical
application.
Herein,
an
ultra‐bright
stimuli‐responsive
PC
film
excellent
optical
performance
is
prepared
by
assembly
of
cadmium
sulfide@polyacrylic
acid
(CdS@PAA)
core–shell
nanoparticles
into
PCs
through
molecule‐mediated
shearing‐induced
technique
(MSAT),
this
fabrication
fast
facile,
the
solid
periodic
micro/nano‐structures
can
be
formed
within
10
s,
a
wide
selection
range
obtained.
The
high
refractive
index
CdS
guarantees
brightness
films.
prerequisite
using
MSAT
for
large‐sized
that
CdS@PAA
possess
appropriate
thickness
PAA
shell.
Compared
conventional
PCs,
films
present
strong
bandgaps
relative
reflectance
up
to
130%
compared
standard
aluminum
mirror,
which
more
than
four
times
reflectivity
PS@PAA
microspheres.
In
addition,
paint
mashing
blending
it
transparent
polydimethylsiloxane
(PDMS)
matrix,
coating
alkali
treated
pigments
achieve
good
water
response
ability
anticounterfeiting
effect.
Язык: Английский