ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(32), С. 42726 - 42735
Опубликована: Авг. 2, 2024
Smart
materials
demonstrate
fascinating
responses
to
environmental
physical/chemical
stimuli,
including
thermal,
photonic,
electronic,
humidity,
or
magnetic
which
have
attracted
intensive
interest
in
material
chemistry.
However,
their
limited/harsh
stimuli-responsive
behavior
sophisticated
postprocessing
leads
enormous
challenges
for
practical
applications.
Herein,
we
rationally
designed
and
synthesized
thermochromic
Ni(II)
organometallic
[(C
Abstract
Inorganic
photochromic
materials,
as
emerging
photoresponsive
have
attracted
unparalleled
interest
because
of
their
potential
applications
in
various
photoactive
devices
such
smart
windows,
optical
memories,
and
decorations.
Over
the
past
decades,
great
research
efforts
been
focused
on
further
development
high‐performance
revealing
underlying
physical
mechanism
well
exploring
new
advanced
applications.
However,
significant
challenges
still
exist
achieving
large
contrast,
realizing
color‐tunable
response,
confirming
detailed
processes.
In
this
review,
latest
progress
inorganic
materials
is
summarized
from
aspects
advance
photochromism,
techniques
for
evaluating
methods
regulating
behavior.
The
information
storage,
photocatalysis,
anti‐counterfeiting,
radiation
dosimetry
so
are
also
discussed.
perspectives
terms
practical
presented.
This
review
aims
to
provide
fundamentals
about
mechanism,
properties
promote
application
devices.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 15, 2024
Abstract
Fabricating
photonic
crystals
(PCs)
with
dynamic
multi‐stimuli‐responsive
structural
colors,
recordable
and
self‐healable
properties
is
significant
for
their
emerging
applications,
yet
remains
a
big
challenge.
Here,
an
all‐in‐one
multifunctional
PC
(MFPC)
film
outstanding
mechanochromic,
thermochromic,
solvatochromic,
color/shape‐recordable,
self‐healable,
adhesive
functions
designed
prepared
by
simply
non‐close‐assembling
silica
particles
into
the
unique
2‐[[(Butylamino)carbonyl]oxy]ethyl
acrylate
(BCOEA)
followed
photopolymerization.
The
success
mainly
due
to
rational
combination
of
non‐close‐packing
structures
BCOEA's
characteristics,
including
its
urethane
groups
numerous
sacrificial
hydrogen
bonds,
temperature‐dependent
refractive
index,
swellable
deformable
polymer
network,
as
well
low
glass‐transition
temperature.
MFPC's
hue
color
saturation
can
be
reversibly
dynamically
modulated
strain/pressure/solvents
temperature,
respectively,
thereby
realizing
visually
spectrally
sensing
these
stimuli.
More
interestingly,
color‐responsiveness
combined
other
endows
MFPCs
fascinating
multilayer
optical
filters,
inkless
printing,
reconfigurable
multicolor
patterns,
stretching‐based
anti‐counterfeiting,
etc.
This
work
offers
new
perspective
designing
next‐generation
smart
materials
will
facilitate
all‐round
applications.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 12, 2025
Abstract
Blue
phase
liquid
crystal
(BPLC)
dynamic
patterns
have
attracted
wide
attention
for
promising
applications
in
optical
information
manipulation
and
visualization
sensing,
owing
to
unique
3D
chiral
helix
superstructure
adjustable
bright/abundant
colors
response
extra
fields.
Inkjet
printing
has
become
an
efficient
approach
achieving
programmable
BPLC
patterns.
However,
it
remains
a
challenge
achieve
independent
“on/off”
control
of
regional
using
the
same
ink
due
unrevealed
temperature‐time‐dependent
color
change
behavior
determined
by
different
inks.
Herein,
comprehensive
understanding
reflective
bandgap
shift
law
versus
temperature/time
is
established
investigating
diffusion
kinetics
multiple
inks
(5CB,
6CB,
8CB)
hydrophobically
modified
blue‐phase
polymer
templates.
The
three
induce
redshift
followed
blueshift
color/reflectance
wavelengths,
but
triggering
times
differ
significantly
at
temperature,
which
attributed
inks'
transition
characteristics,
fluid
properties,
interaction
with
network.
Dynamic
multi‐color
selective
region
are
successfully
fabricated
based
on
time‐temperature
controlled
multi‐ink
technique
displaying
time‐series
multi‐level
encryption
(including
“growing
apple
tree”
“nested
QR
codes”).
This
study
provides
important
insights
into
design
fabrication
advanced
devices
Abstract
Physical
unclonable
function
(PUF)
is
attractive
in
modern
encryption
technologies.
Addressing
the
disadvantage
of
slow
data
storage/authentication
optical
PUF
paramount
for
practical
applications
but
remains
an
on‐going
challenge.
Here,
a
highly
efficient
strategy
based
on
random
structural
color
domains
(SCDs)
cellulose
nanocrystal
(CNC)
proposed
first
time,
combing
with
hyperspectral
imaging
system
(HIS)
ultrafast
storage
and
authentication.
By
controlling
growth
fusion
behavior
tactoids
CNC,
SCDs
display
irregular
distribution
colors,
shapes,
sizes,
reflectance
spectra,
which
grant
unique
inherent
fingerprint‐like
characteristics
that
are
non‐duplicated.
Based
images
these
fingerprint
features
used
to
develop
two
sets
key
generation
methods,
can
be
respectively
authenticated
at
user‐end
manufacturer‐front‐end
achieving
high
coding
capacity
least
2
2304
.
Notably,
use
HIS
greatly
shortens
time
reading
(≈5
s
recording,
0.5–0.7
authentication).
This
new
labels
not
only
solve
complicated
authentication
PUF,
also
impulse
development
CNC
industrial
by
reducing
uniformity
requirement.
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.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 18, 2025
Abstract
Inspired
by
nature's
ability
to
master
materials
for
performance
and
sustainability,
biomimicry
has
enabled
the
creation
of
bioinspired
structural
color,
superadhesion,
hydrophobicity
hydrophilicity,
among
many
others.
This
review
summarizes
emerging
trends
in
novel
sustainable
fluorocarbon‐free
designs
creating
superhydrophobic
superoleophobic
surfaces.
It
discusses
methods,
challenges,
future
directions,
alongside
impact
computational
modeling
artificial
intelligence
accelerating
experimental
development
more
surface
materials.
While
significant
progress
is
made
materials,
surfaces
remain
a
challenge.
However,
bioinspiration
techniques
supported
platforms
are
paving
way
new
renewable
biodegradable
repellent
that
meet
environmental
standards
without
sacrificing
performance.
Nevertheless,
despite
concerns,
policies,
several
still
continue
apply
fluorination
other
environmentally
harmful
achieve
required
standard
repellency.
As
discussed
this
critical
review,
paradigm
integrates
advanced
characterization,
nanotechnology,
additive
manufacturing,
modeling,
coming,
generate
with
tailored
superhydrophobicity
superoleophobicity
while
adhering
standards.
Abstract
Tunable
plasmonics
has
shown
a
wide
range
of
applications
in
(bio)chemical
sensing,
displays,
actuators,
photonic
chips,
biomedicine,
etc.
the
last
2
decades.
This
review
focuses
on
their
recent
development
from
device
perspective,
which
involves
understanding
fundamental
principles
and
specific
with
desired
functionality
compatibility.
We
classify
these
active
plasmonic
devices
based
nature
structures
working
environment
as
colloidal‐based,
chip‐based,
colloidal
chip‐based
to
further
elaborate
performance
functions.
also
highlight
progress
tunable
surface‐enhanced
Raman
spectroscopy,
metasurfaces,
chiroptics
show
emerging
systems.
conclude
this
general
perception
research
trend
field
challenges
for
practical
applications.
ACS Applied Optical Materials,
Год журнала:
2024,
Номер
2(12), С. 2540 - 2550
Опубликована: Ноя. 21, 2024
In
this
work,
twisted
helical
cellulose
nanocrystals
films
with
preprogrammed
circular
polarization
and
near-infrared
reflectance
are
fabricated
via
a
blade-based
3D
printing
method.
The
composed
of
stacked
nanoscale
slabs
high
birefringence
from
unidirectionally
organized
nanocrystals.
By
changing
the
director,
we
achieved
two
types
films:
stacks
anisotropic
Bragg
stacks.
These
highly
transparent
clear,
achiral
stack
shows
spectral
region
(1.3-1.4
μm).
contrast,
show
concurrent
left-
right-handed
circularly
polarized
properties,
as
opposed
to
left-handed
natural
films.
We
observe
dual
chiroptical
properties
dichroism
peaks
due
in
visible
suggest
that
extended
region.
observations
prompted
us
explore
transition
between
continuous
simulations.
printed
can
act
optical
metamaterials
helicity
fill
gap
known
photonic
structures-the
conventional
chiral
nematic
material
appearance
controlled
bandgap.
hold
potential
larger-scale
ordering
unique
nanostructures
for
polarized-sensitive
photonic,
thermal,
energy
management
applications.
