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.
Advanced Optical Materials,
Journal Year:
2024,
Volume and Issue:
12(11)
Published: Jan. 16, 2024
Abstract
As
the
proportion
of
buildings
energy
consumption
increases,
issue
low
utilization
efficiency
becomes
increasingly
prominent.
Approximately
45%
is
lost
through
doors
and
windows,
a
significant
concern
that
has
drawn
society's
attention
to
potential
electrochromic
technology,
which
can
regulate
light
transmittance
absorption
effectively.
Specifically,
dual‐band
materials
offer
promising
solution
this
issue,
as
they
manipulate
transmission
ratios
visible
(VIS)
near‐infrared
(NIR)
obtain
“bright,”
“cold,”
“warm,”
“dark”
independent
modes.
However,
research
on
smart
windows
still
infant,
many
challenges
including
performance
assembly
issues,
are
obstacles
advancement
application
technology.
This
review
clarifies
basic
characteristics
configurations,
operational
mechanisms,
assessment
parameters.
In‐depth
examination
methods
for
achieving
modulation
provided,
along
with
an
analysis
solutions
issues.
Finally,
future
prospects
(ESWs)
underscored.
The
hope
eventually
facilitate
commercial
these
significantly
contribute
creation
modern,
energy‐efficient
buildings.
ACS Sustainable Chemistry & Engineering,
Journal Year:
2024,
Volume and Issue:
12(14), P. 5459 - 5467
Published: March 29, 2024
The
dual-band
electrochromic
smart
windows
(DESW)
can
selectively
modulate
visible
(VIS)
and
near-infrared
(NIR)
transmittance,
which
is
expected
to
effectively
reduce
building
energy
consumption.
However,
the
complex
preparation
of
materials
has
restricted
further
development
DESW.
In
this
work,
amorphous
crystalline
Ti-doped
WO3·2H2O
(TiWH)
were
synthesized
by
a
simple
precipitation
method,
does
not
require
strict
control
oxygen
content
temperature.
Ti
doping
reduced
crystallinity
increased
specific
surface
area.
3%
TiWH
films
exhibited
excellent
electrochromism
with
high
transmittance
modulation
(633
nm:
83.8%,
1050
72.5%),
fast
response
time
(bleached/colored
time:
14.9/15.3
s
at
633
nm,
16.0/3.5
nm),
good
coloration
efficiency
22.8
cm2
C–1,
90.8
C–1),
capacitance
47.1
mF
cm–2
0.1
mA
cm–2.
device
still
maintain
(bright,
cool,
dark
modes).
storage
make
have
application
prospect
in
green
buildings.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(19), P. 24920 - 24928
Published: May 2, 2024
In
this
study,
we
realize
functioning
electrochromic
devices
based
on
colloidal
niobium
oxide
nanocrystals,
which
show
dual-band
behavior,
with
spectral
selectivity
between
near-infrared
and
visible
wavelengths.
Minimally
coloring
vanadium
counter
electrodes
allow
for
full
that
embody
the
behavior
of
component.
The
are
fabricated
using
solution
processing
both
glass
flexible
substrates,
demonstrating
our
platform
has
potential
development
low-cost
dynamic
solar
control
in
a
variety
form
factors
applications.
Nanoscale,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
A
cerium
acetate-doped
WO
3
film
was
prepared,
forming
Ce–O
bonds
that
increase
(002)
face
exposure,
while
acetate
ions
improve
structural
stability
and
electrochemical
properties,
enhancing
the
electrochromic
effect.
RSC Advances,
Journal Year:
2025,
Volume and Issue:
15(7), P. 5242 - 5251
Published: Jan. 1, 2025
Amorphous
WO
3
·2H
2
O
films
were
electrodeposited
from
a
monomeric
diperoxotungstate
solution
derived
[WO
(O
)H
O]·1.66H
powder.
The
open
framework
and
interlayer
water
in
enable
outstanding
dual-band
electrochromic
performance.
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
