Nano Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 17, 2025
Fabry–Pérot
(F–P)
resonators
enhance
light–matter
interactions
and
are
sought
to
incorporate
stable,
flexible
poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)
(PEDOT:PSS).
However,
existing
additives
for
PSS
phase
separation
conductivity
lack
the
ability
modify
optical
dielectric
properties
of
PEDOT
augmenting
resonation.
Here,
we
developed
a
synergistic
strategy
that
combines
electrochemical
autooxidized
doping
with
through
simple
solution
mixing
polyoxometalates.
The
approach
reduces
band
gap
significantly
enhances
from
1.03
360
S
cm–1.
Thus,
F–P
extend
PEDOT's
single
blue
state
multicolor
variations.
was
also
employed
as
active
layers
organic
transistors
(OECTs)
electrochromic
(EC)
array
pixels
(1
×
1
mm).
OECTs
1000-fold
on/off
ratio
can
control
color
changes
EC
low
gate
voltage
only
±0.8
V.
RSC Advances,
Journal Year:
2025,
Volume and Issue:
15(10), P. 7509 - 7534
Published: Jan. 1, 2025
The
current
advances
in
energy
storage
devices
has
necessitated
the
development
of
functional
polymer-based
nanocomposites
for
supercapacitor
applications.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(40)
Published: Aug. 19, 2024
Abstract
Tungsten
oxides
suffer
from
sluggish
ion
diffusion
kinetics,
limited
storage
capacity,
and
inadequate
stability
within
the
aqueous
zinc
electrolyte,
thereby
constraining
their
applicability
in
electrochromic
energy
devices
(EESDs).
Here,
amorphous
hydrated
tungsten
oxide
films
with
large
optical
modulation,
fast
response
speed,
high
cycling
are
reported,
enabled
by
tuning
contents
of
structural
water
adjusting
pH
value
electrolyte.
The
enhancement
performance
is
mainly
due
to
introduction
which
triggers
pseudocapacitive
behavior
dominated
surface
redox
reaction,
resulting
electrochemical
activity
kinetics.
Meanwhile,
relatively
low
ensures
chemical
film,
synergy
that
avoids
trapping,
leading
extraordinary
up
13000
cycles,
marking
state‐of‐the‐art
for
oxide‐based
materials
Based
on
films,
high‐capacity
stable
large‐size
EESDs
constructed
capability
visually
monitoring
status,
recovering
energy,
regulating
light.
This
work
provides
a
simple
yet
effective
strategy
enhancing
EESDs.
Langmuir,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 21, 2025
Electrode
materials
with
a
deformation
capability
are
vital
to
the
development
of
flexible
supercapacitors.
However,
preparation
porous
carbons
deformability
remains
challenging.
Herein,
compressible
carbon
foam
has
been
successfully
prepared
using
polydopamine/melamine
sponge
(PDA/MS)
as
precursor
material.
The
structure
was
controlled
by
cetyltrimethylammonium
bromide
and
K2CO3
template
activating
agent,
respectively.
resultant
PDA/MS-derived
(KDMC)
three-dimensional
network
architecture
exhibits
excellent
compressibility.
specific
surface
area
reaches
∼2890.0
m2
g–1.
Furthermore,
KDMC
demonstrates
outstanding
capacitive
performance,
including
capacitance
(365.6
F
g–1,
0.5
A
g–1),
good
rate
(86.6%
retention
from
10
cycling
stability
(only
1.9%
loss
after
10,000
cycles).
To
further
demonstrate
practical
application
potential
KDMC,
symmetric
supercapacitor
(KDMC//KDMC)
assembled
PVA/KOH
gel
electrolyte.
device
achieved
an
energy
density
10.44
W
h
kg–1.
This
work
presents
robust
method
prepare
electrode
for
high-performance
Nano Letters,
Journal Year:
2025,
Volume and Issue:
25(6), P. 2342 - 2349
Published: Jan. 31, 2025
Electrochromic
(EC)
technology
can
adjust
optical
properties
under
electrical
stimulation
with
broad
applications
in
smart
windows,
displays,
and
camouflage.
However,
significant
challenges
remain
developing
inorganic
EC
films
high
durability,
rapid
response,
mechanical
flexibility
due
to
intrinsic
brittleness
dense
microstructure.
Herein,
a
nanostructured
quasiplanar
heterointerface
(Q-PHI)
is
first
introduced
into
the
electrode/EC
interlayer
realize
robust,
ultrafast
switching
tungsten
trioxide
(WO3)
film.
The
200
nm-thick
Q-PHI
WO3
film
exhibits
remarkable
performance,
including
large
contrast
(81.8%
83.4%
at
700
1500
nm),
of
2.4
1.8
s,
excellent
stability
(10,000
cycles
21.3%
optical-contrast
loss).
A
large-area
(20
×
15
cm2)
flexible
window
also
successfully
achieved.
mechanism
lies
intense
built-in
electric
field
strong
interfacial
bonding
induced
by
unique
longitudinal
gradient
distribution,
greatly
enhancing
electron/ion
transport
kinetics,
surface
ion
adsorption,
durability.
