Liquid Crystals,
Год журнала:
2024,
Номер
unknown, С. 1 - 9
Опубликована: Дек. 23, 2024
In
this
paper,
trans-liquid
crystal
physical
gels
(LCPG)
films
with
low
driving
voltage,
high
contrast
ratio
and
excellent
cycle
life
were
prepared
using
a
negative
dielectric
anisotropy
nematic
liquid
crystal/gelator/trimethylammonium
cetylammonium
bromide
(CTAB)
composite
system.
The
effects
of
the
content
these
two
dopant
compounds
on
electro-optical
properties
trans-LCPG
investigated,
difference
between
TIA
TSG
formation
process
LCPG
also
studied.
ACS Applied Optical Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 22, 2025
Polymer-dispersed
liquid
crystals
(PDLCs)
exhibiting
electro-optical
(E-O)
conversion
capabilities
facilitate
modulation
across
the
ultraviolet
(UV)
to
infrared
(IR)
spectrum.
In
this
study,
a
bilayer
TiN-PVP/PDLC
composite
film
device
was
prepared
by
utilizing
commercially
available
polymers
and
nanoparticles
enhance
UV
IR
shielding
efficacy.
By
optimizing
ratio
of
polymer
monomers
within
PDLC
layer,
superior
E-O
characteristics
were
achieved,
which
further
augmented
through
incorporation
TiN-PVP
film.
The
results
showed
that
films
had
maximum
contrast
when
TiN
doping
content
1.5
wt
%.
Notably,
demonstrated
significant
thermal
performance
under
irradiation,
with
efficiencies
exceeding
60%
in
both
off
on
states,
while
exhibited
commendable
values
96.8%
56.9%
corresponding
states.
This
facilely
synthesized
holds
promise
for
passive
cooling
applications
smart
window
technologies
architectural
structures.
Materials,
Год журнала:
2025,
Номер
18(7), С. 1505 - 1505
Опубликована: Март 27, 2025
Polymer-stabilized
liquid
crystal
(PSLC)
dimming
film
has
attracted
widespread
attention
due
to
its
normally
transparent
state,
energy-saving
capability,
and
excellent
electro-optical
performance,
which
promising
applications
in
smart
cars
building
windows.
However,
achieving
good
performance
high
peel
strength
simultaneously
still
remains
challenging.
In
this
study,
a
PSLC
based
on
monoepoxy
diepoxy
monomers
was
prepared
through
rapid
cationic
polymerization,
showing
low
driving
voltages
simultaneously.
The
influence
of
the
content
composition
two
epoxy
microstructures,
mechanical
properties,
films
were
systematically
studied.
polymer
morphology
could
be
effectively
modulated
by
doping
monomers.
with
total
monomer
≤15
wt%
showed
enhanced
properties
when
lateral
networks
denser
substrate.
When
ratio
E6M
E6PM
12:3,
compared
pure
E6M,
threshold
voltage
decreased
from
18.2
V
12.6
V,
increased
62.53
kPa
136.37
kPa.
These
can
adapt
requirements
different
application
scenarios
changing
proportion
monomers,
strategy
prospects
actual
production
films.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 2, 2025
Abstract
Inspired
by
the
mechanical
interlocking
principles
of
traditional
Chinese
mortise‐and‐tenon
structures,
a
3D
gradient
supramolecular
network
is
developed
through
oriented
self‐assembly
subphthalocyanine
(SubPc‐0)
arrays
on
La‐doped
Ag
3
PO
4
(La
0.01
2.99
).
This
bioinspired
design
synergistically
combines
π‐orbital
topological
extension
with
dynamic
B–La
coordination
bonds
to
construct
an
S‐scheme
heterojunction
dual‐phase
charge
modulation
capability.
Mechanistic
studies
reveal
that
La
3+
doping
induces
anisotropic
electron
delocalization
for
directional
bulk
transfer,
while
interfacial
coupling
establishes
ultrafast
(<10
ps)
atomic‐scale
transport
channels
orbital
hybridization.
The
optimized
SubPc‐0/La
system
demonstrates
2.2‐
and
2.1‐fold
improvements
in
tetracycline
oxytetracycline
degradation
efficiencies,
respectively,
94%
activity
retention
after
five
cycles.
Advanced
characterization
techniques
including
femtosecond
transient
absorption
spectroscopy
(fs‐TAS)
Kelvin
probe
force
microscopy
(KPFM),
combined
theoretical
calculations,
elucidated
intricate
photocatalytic
mechanism
transfer
pathways.
work
delivers
effective
strategy
mechanistic
insights
stacking
engineering
materials.
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
17(19), С. 28743 - 28751
Опубликована: Май 1, 2025
Thermochromic
VO2
has
garnered
widespread
attention
with
unique
optical
regulation
in
the
fields
of
smart
windows.
However,
windows
persistent
stability
and
tunability
an
outdoor
environment
are
still
a
challenge.
This
study
presents
multifunctional
film,
including
thermochromic
VO2/polymer
layer
particles
dispersed
urea-polydimethylsiloxane
(uPDMS)
matrix
smooth
liquid-infused
porous
surface
(SLIPS)
silicone
oil
filling
structures.
Entrapping
within
net
ensures
stability.
The
extensive
hydrogen
bonds
between
urea
groups
highly
mobile
polydimethylsiloxane
chains
ensure
self-healing
performance,
while
upper
SLIPS
offers
self-cleaning
performance.
bilayer
composite
film
demonstrates
excellent
solar
modulation
ability
(ΔTsol
=
20.25%),
adequate
visible
light
transmittance
(Tlum,c
47.78%),
remarkable
performance
(RA
8.9°),
notable
abilities
(healing
rate
88.48%).
research
herein
reliable
approach
for
fabricating
stable
energy-saving
window
films.