Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 30, 2024
Electrochromism
stands
out
as
a
highly
promising
technology
for
applications
including
variable
optical
attenuators,
switches,
transparent
displays,
and
dynamic
windows.
The
pursuit
of
high-contrast
tunability
in
electrochromic
devices
remains
challenging
goal.
Here,
the
first
photochromic
hydrogel
electrolyte
is
reported
electro-
photo-dual
responsive
chromatic
that
yield
high
transmittance
contrast
at
633
nm
(ΔT
=
83.1%),
along
with
tinted
below
1.5%.
Such
not
only
hold
great
promise
windows
but
also
enable
seamless
transitions
between
augmented
reality
(AR)
glass
opaque
virtual
(VR)
glass.
These
findings
introduce
an
innovative
strategy
design
dimmers,
opening
new
avenues
development
devices.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 3, 2025
Abstract
Solar
radiation
can
be
dynamically
regulated
by
the
electrochromic
smart
window,
showing
great
potential
in
reducing
building
energy
consumption.
As
one
of
most
paramount
inorganic
materials,
NiO
remains
elusive
intricacies
process,
particularly
regarding
functional
mechanisms
defects.
Here,
mechanism
Ni
vacancies
(V
)
on
ionic
storage,
diffusion
kinetics,
and
performance
are
systematically
investigated.
The
active
V
provides
ion
storage
sites
promotes
transport
lithium
(Li
+
forming
channels,
increasing
capacity
from
2.12
to
4.90
mC
cm
−2
.
By
introducing
sub‐gap
absorptions,
increases
NiO's
optical
modulation
14.4%
30.3%
with
excellent
cyclic
stability
(retain
87.4%
after
4000
cycles).
In
contrast,
nonactive
barely
contributes
because
a
high
barrier,
causing
low
transmittance
bleached
state.
Furthermore,
enables
devices
exhibit
superior
response
speed,
but
negatively
affects
transparency
These
results
provide
valuable
guidance
for
high‐quality
electrodes
through
defect
engineering
developing
high‐performing
NiO‐based
devices.
Advanced Optical Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 26, 2025
Abstract
It
is
reported
that
by
introducing
structural
water
into
amorphous
tungsten
oxide
and
using
multivalent
Al
3+
as
electrolyte
ions,
the
hydrate
films
exhibit
dramatically
enhanced
dual‐band
EC
performance.
The
triggers
surface
reduction
of
at
a
relatively
low
potential,
which
governs
selective
regulation
NIR
light.
fast
electrochemical
kinetics
negligible
destruction
during
redox
process
enable
ultrastable
regulation.
Increasing
potentials,
intercalates
lattice,
accompanied
injection
electrons,
resulting
in
formation
polaron
absorbing
visible
high
charges
small
radius
,
enlarged
ion
diffusion
channels
synergistically
facilitate
insertion/extraction,
leading
to
performance
light
region.
film
used
working
electrode
pair
with
an
electrocatalytic
counter
electrode,
presence
couples
based
electrolyte,
form
full
device
exhibits
selectivity
0.66,
cycling
stability
20
000
cycles
region
8000
region,
enables
design
fabricate
large‐size
high‐performance
smart
window
for
controllable
management
solar
heat
Deleted Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 25, 2025
Abstract
Windows
are
considered
to
be
a
major
contributor
energy
consumption
in
buildings.
Smart
windows,
as
replacement
for
traditional
can
reversibly
regulate
the
transmittance
of
sunlight,
enabling
indoor
thermal
regulation
and
promising
reduce
building
consumption,
thus
attracting
increasing
attention.
Especially,
smart
windows
based
on
photochromic
(PC)
or
electrochromic
(EC)
materials
have
been
widely
researched
due
zero
input
potential
seasonal
adaptability
PC
well
unique
active
adjustment
mode
EC
windows.
These
hold
application
prospects
field
future
low
energy‐consumption
However,
issues
such
difficulty
scaling
up
slow
response
time
poor
cycling
stability
durability
common
both
limit
their
development
regulation.
Focusing
important
progresses
challenges
these
materials,
we
systematically
review
typical
researches
reported
recent
years.
This
covers
evaluation
parameters
performance,
innovative
mechanisms,
optical
optimization
methods,
developing
status
materials.
Moreover,
also
discuss
existing
with
current
propose
targeted
improving
suggestions.
Hopefully,
this
promote
further
technologies
ACS Applied Polymer Materials,
Journal Year:
2024,
Volume and Issue:
6(21), P. 13171 - 13181
Published: Oct. 29, 2024
Electrochromic
(EC)
technology,
with
its
reversible
color
changes
and
special
light
modulation,
has
a
wide
range
of
applications
in
adaptive
military
camouflage.
However,
there
are
still
some
problems
such
as
difficulties
multicolor
display,
flexible
patterned
displays,
difficult
integration
electrochromic
energy
storage
that
limit
development
portable
camouflage
devices.
In
this
work,
multicolored
conjugated
polymer,
p3DT-FSQ,
was
designed
prepared
by
electrochemical
polymerization.
The
polymer
film
exhibits
change,
high
optical
contrast,
fast
switching
time.
On
basis,
the
reflective
transmissive
zinc-based
devices
(RZECD
TZECD)
were
optimally
assembled
based
on
p3DT-FSQ
EC
layer
zinc
sheet
or
frame
counter
electrode.
Both
RZECD
TZECD
show
orange-yellow,
earthy
yellow,
army
green
colors
at
various
potentials
good
properties
excellent
flexibility,
meeting
demand
for
variation
functionality
modern
electronic
combat
environments.
It
is
even
more
intriguing
TZECDs
can
accurately
simulate
six
environments,
including
Gobi,
highland,
wilderness,
cropland,
desert,
forest.
This
work
presents
design
strategy
an
device
also
function,
making
it
choice
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: Dec. 27, 2024
Abstract
Dual-band
electrochromic
devices
capable
of
the
spectral-selective
modulation
visible
(VIS)
light
and
near-infrared
(NIR)
can
notably
reduce
energy
consumption
buildings
improve
occupants'
visual
thermal
comfort.
However,
low
optical
poor
durability
these
severely
limit
its
practical
applications.
Herein,
we
demonstrate
an
efficient
flexible
bifunctional
dual-band
device
which
not
only
shows
excellent
performance
with
a
high
long
cycle
life,
but
also
displays
capacitance
recycling
efficiency
51.4%,
integrating
energy-saving
energy-storage.
The
nanowires
structure
abundant
oxygen-vacancies
oxygen-deficient
tungsten
oxide
endows
it
flexibility
73.1%
85.3%
at
633
1200
nm
respectively.
prototype
assembled
modulate
VIS
NIR
independently
effectively
through
three
distinct
modes
life
(3.3%
capacity
loss
after
10,000
cycles)
(8.8
°C
lower
than
common
glass).
Furthermore,
simulations
that
our
outperforms
commercial
low-emissivity
glass
in
terms
most
climatic
zones
around
world.
Such
windows
represent
intriguing
potential
technology
to
building
efficiency.
Coatings,
Journal Year:
2024,
Volume and Issue:
14(6), P. 707 - 707
Published: June 4, 2024
The
development
of
novel
cathodic
materials
with
tailored
nanostructures
is
crucial
for
the
advancement
electrochromic
devices.
In
this
study,
we
synthesized
cobalt-doped
titanium
dioxide
(Ti-Co)
thin
films
using
a
facile
hydrothermal
method
to
investigate
effects
cobalt
doping
on
their
structural,
morphological,
and
properties.
Comprehensive
characterization
techniques,
including
X-ray
diffraction
Raman
analysis,
confirmed
highly
crystalline
nature
Ti-Co
films,
specific
bands
indicating
distinct
modifications
due
incorporation.
TiO2
nanorods,
optimally
doped
(TC-3),
demonstrated
enhanced
charge
transport
mobility,
significantly
improving
performance.
Among
various
compositions
studied,
TC-3
sample
exhibited
superior
lithium-ion
accommodation,
achieving
an
optical
modulation
73.6%
high
coloration
efficiency
81.50
cm2/C.
It
also
excellent
stability,
maintaining
performance
up
5000
s
coloring/bleaching
cycles.
These
results
confirm
beneficial
impact
structural
functional
properties
host
material.
Furthermore,
practical
effectiveness
film
was
validated
through
fabrication
device,
which
showed
efficient
bleaching
capabilities.
This
comprehensive
research
enhances
understanding
functionality
nanorod
architectures,
highlighting
promising
potential
advanced
applications.
