Synthetic Metals,
Journal Year:
2024,
Volume and Issue:
307, P. 117694 - 117694
Published: July 20, 2024
This
study
builds
upon
our
previous
research
aimed
at
enhancing
the
electrical
conductivity
of
Poly(3,4-ethylenedioxythiophene)
Polystyrene
Sulfonate
(PEDOT:PSS).
We
investigate
a
range
techniques,
including
acid
treatments,
doping
with
metal
nanoparticles
(Cu
and
Ag),
deposition
multiple
PEDOT:PSS
layers,
incorporation
mono/multiatomic
layer
graphene.
Our
investigations
reveal
that
optimizing
multilayers
treating
them
nitric
yields
superior
results
compared
to
alternative
methods
employing
optimized
process
not
only
enhances
but
also
offers
advantages
in
terms
reduced
errors,
increased
stability,
cost-effectiveness
when
use
graphene
layers
nanoparticles.
Optimization
parameters
such
as
spinning
speed,
etchant
concentration,
etching
time
are
crucial
factors
achieving
these
outcomes.
Compared
single-layer
films
same
thickness,
nine-layer
treated
demonstrates
significant
enhancement
from
0.18
S/cm
15,699
S/cm.
Furthermore,
we
address
film
aging
mitigate
reliability
issues
induced
by
ambient
conditions.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: May 23, 2024
Perovskite
solar
cells
(PSCs)
offer
low
costs
and
high
power
conversion
efficiency.
However,
the
lack
of
long-term
stability,
primarily
stemming
from
interfacial
defects
susceptible
metal
electrodes,
hinders
their
practical
application.
In
past
few
years,
two-dimensional
(2D)
materials
(e.g.,
graphene
its
derivatives,
transitional
dichalcogenides,
MXenes,
black
phosphorus)
have
been
identified
as
a
promising
solution
to
solving
these
problems
because
dangling
bond-free
surfaces,
layer-dependent
electronic
band
structures,
tunable
functional
groups,
inherent
compactness.
Here,
recent
progress
2D
material
toward
efficient
stable
PSCs
is
summarized,
including
role
both
interface
electrodes.
We
discuss
beneficial
effects
on
perovskite
growth,
energy
level
alignment,
defect
passivation,
well
blocking
external
stimulus.
particular,
unique
properties
form
van
der
Waals
heterojunction
at
bottom
are
emphasized.
Finally,
perspectives
further
development
using
provided,
such
designing
high-quality
heterojunction,
enhancing
uniformity
coverage
nanosheets,
developing
new
materials-based
Nano Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 6, 2025
Conducting
polymers
have
emerged
as
promising
active
materials
for
metasurfaces
due
to
their
electrically
tunable
states
and
large
refractive
index
modulation.
However,
existing
approaches
are
often
limited
infrared
operation
or
single-polymer
systems,
restricting
versatility.
In
this
Letter,
we
present
organic
featuring
dual
conducting
polymers,
polyaniline
(PANI)
poly(3,4-ethylenedioxythiophene)
(PEDOT),
achieve
contrasting
dynamic
optical
responses
at
visible
frequencies.
Sequential
electrochemical
polymerizations
locally
conjugate
subwavelength-thin
layers
of
PANI
PEDOT
onto
preselected
gold
nanorods,
creating
electro-plasmonic
antennas
with
distinct
optoelectronic
properties.
This
dual-polymer
approach
enables
metasurface
pixel
control
without
individual
electrode
routing,
thereby
simplifying
designs.
The
exhibit
dual-channel
functions,
including
anomalous
transmission
holography,
through
the
redox-state
switching
both
polymers.
Our
work
underscores
potential
applications,
offering
a
pathway
advanced
reconfigurable
devices
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 23, 2024
Abstract
Perovskite
light‐emitting
diodes
(Pero‐LEDs)
have
garnered
significant
attention
due
to
their
exceptional
emission
characteristics,
including
narrow
full
width
at
half
maximum,
high
color
purity,
and
tunable
colors.
Recent
efficiency
operational
stability
advancements
positioned
Pero‐LEDs
as
a
promising
next‐generation
display
technology.
Extensive
research
review
articles
on
the
compositional
engineering
defect
passivation
of
perovskite
layers
substantially
contributed
development
multi‐color
high‐efficiency
Pero‐LEDs.
However,
crucial
aspect
charge
transport
layer
(CTL)
modulation
in
remains
relatively
underexplored.
CTL
not
only
impacts
carrier
injection
balance
but
also
plays
critical
role
passivating
surface,
blocking
ion
migration,
enhancing
crystallinity,
improving
light
extraction
efficiency.
Therefore,
optimizing
CTLs
is
pivotal
for
further
Pero‐LED
performance.
Herein,
this
discusses
roles
categorizes
both
reported
potential
materials.
Then,
various
optimization
strategies
are
presented,
alongside
an
analysis
selection
criteria
high‐performance
Finally,
summary
outlook
advance
performances
provided.
