Fabrication of Conjugated Conducting Polymers by Chemical Vapor Deposition (CVD) Method
Nanomaterials,
Год журнала:
2025,
Номер
15(6), С. 452 - 452
Опубликована: Март 16, 2025
Chemical
vapor
deposition
(CVD)
is
a
highly
adaptable
manufacturing
technique
used
to
fabricate
high-quality
thin
films,
making
it
essential
across
numerous
industries.
As
materials
fabrication
processes
progress,
CVD
has
advanced
enable
the
precise
of
both
inorganic
2D
materials,
such
as
graphene
and
transition
metal
dichalcogenides,
polymeric
offering
excellent
conformality
nanostructure
control
on
wide
range
substrates.
Conjugated
conducting
polymers
have
emerged
promising
for
next-generation
electronic,
optoelectronic,
energy
storage
devices
due
their
unique
combination
electrical
conductivity,
optical
transparency,
ionic
transport,
mechanical
flexibility.
Oxidative
(oCVD)
involves
spontaneous
reaction
oxidant
monomer
vapors
upon
adsorption
onto
substrate
surface,
resulting
in
step-growth
polymerization
that
commonly
produces
or
semiconducting
polymer
films.
oCVD
gained
significant
attention
its
ability
conjugated
under
vacuum
conditions,
allowing
over
film
thickness,
doping
levels,
engineering.
The
low
moderate
temperature
method
enables
direct
integration
films
thermally
sensitive
substrates,
including
plants,
paper,
textiles,
membranes,
carbon
fibers,
graphene.
This
review
explores
fundamentals
process
vacuum-based
manufacturing,
while
also
highlighting
recent
advancements
Язык: Английский
Effect of organic solvent treatments on oCVD-deposited PEDOT thin films
Journal of Vacuum Science & Technology A Vacuum Surfaces and Films,
Год журнала:
2025,
Номер
43(2)
Опубликована: Фев. 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.
Язык: Английский
Advancements in oxidative chemical vapor deposition (oCVD) with liquid oxidant: A true dry vacuum manufacturing approach for optoelectronic devices
MRS Communications,
Год журнала:
2024,
Номер
14(5), С. 785 - 804
Опубликована: Июнь 25, 2024
Язык: Английский
Enhanced Carrier Mobility and Thermoelectric Performance by Nanostructure Engineering of PEDOT Thin Films Fabricated via the OCVD Method Using SbCl5 Oxidant
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 1, 2024
Abstract
Air‐stable,
lightweight,
and
electrically
conductive
conjugated
polymers
have
attracted
significant
attention
for
thermoelectric
applications,
especially
in
low‐temperature
environments.
However,
their
low
carrier
mobility
has
limited
broader
adoption.
This
study
addresses
this
challenge
by
investigating
the
nanostructure
of
poly(3,4‐ethylenedioxythiophene)
(PEDOT)
thin
films
fabricated
via
oxidative
chemical
vapor
deposition
(oCVD)
at
various
temperatures.
Through
systematic
control
semi‐crystalline
orientation
π–π
stacking
distance,
a
substantial
enhancement
(23.58
±
1.71
cm
2
V
−1
s
)
electrical
conductivity
(6345
210
S
is
achieved.
The
power
factor
demonstrates
direct
correlation
with
temperature,
achieving
maximum
value
112.57
4.33
µW
m
K
−2
.
PEDOT
higher
temperatures
show
minimal
reductions
as
absolute
temperature
decreased,
reflecting
lower
resistivity
ratio
extended
metallic
state,
indicated
metal–insulator
transition
Zabrodskii
plot.
Incorporating
Seebeck
coefficient
into
parabolic
energy
band
diagram
revealed
strong
agreement
between
theoretical
experimental
mobility,
while
also
indicating
that
barrier
intercrystalline
charge
transport
decreases
increases.
highly
face‐on
reduced
distance
facilitate
quasi‐1D
conduction,
thereby
enhancing
mobility.
Язык: Английский
Deep Eutectic Solvent-Assisted Hydrothermal Synthesis of Cu/Cl-Doped TiO₂ Photocatalyst for Hydrogen Production
Journal of Alloys and Compounds,
Год журнала:
2024,
Номер
unknown, С. 178009 - 178009
Опубликована: Дек. 1, 2024
Язык: Английский
The novel nanozyme-based electrochemical-driven electrochromic visual biosensor based on PEDOT:PSS/RGO conductive film for rapid detection of nitrite in food samples
Food Chemistry,
Год журнала:
2025,
Номер
unknown, С. 143971 - 143971
Опубликована: Март 1, 2025
Язык: Английский
Manufacturing of Conducting and Semiconducting Polymers by Chemical Vapor Deposition (CVD) Method
IntechOpen eBooks,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 17, 2025
Chemical
vapor
deposition
(CVD)
is
a
versatile
technique
for
fabricating
high-quality
thin
films,
widely
used
across
various
industries.
As
materials
science
advances,
CVD
continues
to
evolve,
enabling
the
precise
of
both
inorganic
2D
and
high-purity
polymeric
films
with
excellent
conformality
on
diverse
substrates.
In
particular,
conducting
polymers
have
emerged
as
promising
next-generation
electronic,
optoelectronic,
energy
storage
devices,
offering
electrical
conductivity,
optical
transparency,
ionic
transport,
mechanical
flexibility.
Oxidative
(oCVD)
method
has
gained
significant
attention
its
ability
achieve
step-growth
polymerization
under
vacuum
conditions,
allowing
control
over
film
thickness,
doping
levels,
nanostructure
engineering.
This
review
explores
fundamentals
advancements
oCVD
in
conjugated
semiconducting
polymer
films.
Key
processing
parameters,
such
temperature
oxidant
saturation
ratio,
significantly
influence
semicrystalline
orientation,
π-π
stacking
distance,
charge
transport
properties,
including
carrier
mobility
conductivity.
The
advantages
oCVD,
low-temperature
processing,
solvent-free
fabrication,
providing
highly
conformal
coating,
industrial
scalability,
make
it
technology
devices
wearable
electronics.
Future
research
efforts
will
focus
expanding
library,
optimizing
integrating
into
commercial
applications
by
roll-to-roll
(R2R)
process.
Язык: Английский
Optimizing Mixed-Model Synchronous Assembly Lines with Bipartite Sequence-Dependent Setup Times in Advanced Manufacturing
Energies,
Год журнала:
2024,
Номер
17(12), С. 2865 - 2865
Опубликована: Июнь 11, 2024
In
advanced
manufacturing,
optimizing
mixed-model
synchronous
assembly
lines
(MMALs)
is
crucial
for
enhancing
productivity
and
adhering
to
sustainability
principles,
particularly
in
terms
of
energy
consumption
energy-efficient
sequencing.
This
paper
introduces
a
novel
approach
by
categorizing
sequence-dependent
setup
times
into
bipartite
categories:
workpiece-independent
workpiece-dependent.
strategic
division
streamlines
processes,
reduces
idle
times,
decreases
through
more
efficient
machine
usage.
A
new
mathematical
model
proposed
minimize
the
intervals
at
which
workpieces
are
launched
on
an
MMAL,
aiming
reduce
operational
downtime
that
typically
leads
excessive
use.
Given
Non-deterministic
Polynomial-time
hard
(NP-hard)
nature
this
problem,
genetic
algorithm
(GA)
developed
efficiently
find
solutions,
with
performance
compared
against
traditional
branch
bound
technique
(B&B).
method
enhances
responsiveness
MMALs
variable
production
demands
contributes
conservation
sequence
operations
align
energy-saving
objectives.
Computational
experiments
conducted
small
large-sized
problems
demonstrate
GA
outperforms
conventional
B&B
regarding
solution
quality,
diversity
level,
computational
time,
leading
reductions
enhanced
cost-effectiveness
manufacturing
settings.
Язык: Английский