Advanced Electronic Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 4, 2024
Abstract
The
study
of
the
net
magneto‐capacitance,
C
(
B
),
in
thin
films
conducting
polymer
Poly(3
4‐ethylenedioxythiophene):poly(styrene
sulfonate)
(PEDOT:PSS)
is
presented.
In
there
are
charged
electrically‐conducting
PEDOT‐rich
regions
surrounded
by
PSS
insulating
material.
high‐conductivity
grade
PEDOT:PSS
studied
at
low
temperature,
where
hopping
conduction
dominant.
It
experimentally
observed
that
a
finite
temperature
range
T
=
1.7–3
K.
Thus,
)
direct
evidence
for
an
intra‐site
Coulomb
interaction,
U
≈
2
meV,
among
mobile
charge
carriers
regions.
lifting
spin
degeneracy
motivates
PEDOT
use
spintronic
applications.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 26, 2025
Abstract
The
desire
to
reduce
secondary
pollution
from
shielded
electronics
devices
demands
electromagnetic
interference
(EMI)
shields
with
high
green
index
(GI),
which
is
the
ratio
of
absorbance
over
reflectance.
Achieving
GI
values
simultaneously
shielding
effectiveness
(SE)
50
dB
a
serious
unresolved
challenge.
Reducing
impedance
mismatch
between
shield
and
free
space
key
reducing
reflection
incoming
radiation
enabling
more
penetration
into
body
for
absorption.
Here
sandwich
structure
gradient
conductivity
introduced
that
achieves
combination
(≈2)
SE
(70
dB).
top
layer
deliberately
uses
an
aerogel
low
MXene
nanoribbon
in
PEDOT:PSS
polymer
boost
GI.
also
reduces
permittivity
shield,
as
another
way
nonmagnetic
material.
bottom
consists
nanosheet–polymer
its
metal‐like
provide
SE.
This
successful
demonstration
expected
lead
other
novel
ways
create
EMI
shields.
Journal of Vacuum Science & Technology A Vacuum Surfaces and Films,
Journal Year:
2025,
Volume and Issue:
43(2)
Published: Feb. 11, 2025
Thiophene-based
polymers,
notably
poly(3,4-ethylenedioxythiophene)
(PEDOT)
and
its
composite
with
poly(styrenesulfonate)
(PEDOT:PSS),
are
attractive
targets
for
thermoelectric
research
because
of
their
high
ZT
values
ease
thin-film
synthesis,
but
traditional
solution-phase
routes
limit
both
chemical
control
applicable
form
factors.
Oxidative
vapor
deposition
(oCVD)
is
an
alternative
technique
capable
producing
highly
conductive
PEDOT
films
without
the
use
PSS,
yet
properties
produced
through
oCVD
have
not
been
as
thoroughly
investigated.
Here,
we
report
enhancement
in
oCVD-grown
V2O5
inclusions
treatment
polar
aprotic,
high-dielectric
organic
solvents
(DMSO,
EG,
DMF).
In
deposited
films,
performance
enhancements
from
post-deposition
treatments
such
often
attributed
to
depletion
or
segregation
insulating
PSS
phase,
similar
our
PSS-free
show
that
other
effects
on
physicochemical
nature
must
also
be
present.
Our
observations
provide
key
insights
into
optimize
vapor-phase
well
potentially
misunderstood
general.
Molecules,
Journal Year:
2025,
Volume and Issue:
30(1), P. 179 - 179
Published: Jan. 4, 2025
Conducting
polymers
represent
a
crucial
class
of
functional
materials
with
widespread
applications
in
diverse
fields.
Among
these,
poly(3,4-ethylenedioxythiophene)
(PEDOT)
and
its
derivatives
have
garnered
significant
attention
due
to
their
distinctive
optical,
electronic,
magnetic
properties,
as
well
exceptional
tunability.
These
properties
often
exhibit
intricate
interdependencies,
manifesting
synergistic,
concomitant,
or
antagonistic
relationships.
In
optics,
PEDOTs
are
renowned
for
high
transparency
unique
photoelectric
responses.
From
an
electrical
perspective,
they
display
conductivity,
thermoelectric,
piezoelectric
performance,
along
notable
electrochemical
activity
stability,
enabling
wide
array
electronic
applications.
terms
demonstrate
outstanding
electromagnetic
shielding
efficiency
microwave
absorption
capabilities.
Moreover,
these
can
be
precisely
tailored
through
molecular
structure
modifications,
chemical
doping,
composite
formation
suit
various
application
requirements.
This
review
systematically
examines
the
mechanisms
underlying
optoelectromagnetic
PEDOTs,
highlights
tunability,
outlines
prospective
research
directions.
By
providing
critical
theoretical
insights
technical
references,
this
aims
advance
landscape
PEDOTs.
Advanced Materials Technologies,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 29, 2025
Abstract
Advances
in
materials
science
and
sustainability
have
positioned
cellulose
nanofibers
(CNFs)
as
an
important
nanomaterial
for
creating
complex
3D
architectures
through
printing
techniques.
However,
the
inherent
limitations
of
3D‐printed
CNF‐based
materials,
such
poor
electrical
conductivity
restricted
mechanical
flexibility,
pose
barriers
to
their
application
next‐generation
electronics.
The
research
addresses
these
challenges
by
integrating
printed
frameworks
with
a
conductive
polymer
via
process
known
“cold
chemical
vapor
polymerization”
(CCVP).
procedure
initiates
direct
ink
writing
(DIW)
CNF
hydrogel,
which
then
undergoes
saturation
Fe
3+
ions
freeze‐drying
produce
ion‐embedded
frameworks.
Subsequently,
interconnected
pathways
poly(3,4‐ethylenedioxythiophene)
(PEDOT)
are
generated
within
structures
using
CCVP.
This
methodology
allows
precise
customization
conductivity,
resulting
production
highly
(546
S
m
−1
)
mechanically
flexible
(70%
compressible)
patterned
constructs.
advancement
is
highlighted
development
grid‐based
designed
electromagnetic
interference
(EMI)
shields.
These
innovative
shields
demonstrate
absorbance
0.71
specific
EMI
shielding
effectiveness
3406.45
dB
cm
2
g
.
Furthermore,
aerogels
function
sensitive
piezoresistive
sensors,
demonstrating
versatility
this
sustainable
approach
advancing
wearable
electronics
multifunctional
technologies.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 14, 2025
Abstract
High‐performance
wearable
textiles
made
from
poly(3,4‐ethylenedioxythiophene):poly(styrene
sulfonate)
(PEDOT:PSS)
hold
great
promise
for
electromagnetic
interference
(EMI)
shielding
in
military
and
healthcare
systems.
However,
achieving
an
optimal
balance
of
resilience,
flexibility,
electrical
properties
is
challenging
due
to
weak
interfacial
interactions
between
PEDOT:PSS
the
host
substrates.
In
this
study,
a
robust
stretchable
textile
fabricated
via
vacuum‐assisted
impregnation
presented
onto
electrospun
polyurethane
(PU)
nanofiber
mat.
The
process
creates
convoluted
interlock
network
at
interface
layer
PU
mat,
enhanced
by
large
contact
area,
effective
chemical
interactions,
vacuum‐induced
pressure.
This
results
exceptional
tensile
strength
51.2
MPa,
207%
elongation,
86%
elastic
recovery,
surpassing
practical
requirement
threshold
fibers.
PU‐PEDOT:PSS
mat
shows
normalized
EMI
effectiveness
value
365.2
dB
mm
−1
ultrathin
thickness
100
µm.
capable
maintaining
its
performance
after
continuous
loading
unloading
cyclic
tests
up
100%
strain.
Additionally,
one‐step,
durable,
fluorine‐free
spray
coating
introduced
protect
moisture
dust,
thereby
extending
service
life
outdoor
applications.
