Düzce Üniversitesi Bilim ve Teknoloji Dergisi,
Год журнала:
2025,
Номер
13(1), С. 26 - 36
Опубликована: Янв. 30, 2025
Herein,
Polyaniline
(PANI)/polyethylene
oxide
(PEO)
-
luffa
cylindrica
bio-composite
films
of
various
mass
fractions
(%)
have
been
prepared
via
casting
solution
emeraldine
base
polyaniline
and
cellulose
extracted
from
luffa.
The
biopolymer
were
structurally
thermally
characterized
using
X-ray
diffraction
(XRD),
Fournier
Transform-InfraRed
(FT-IR)
spectroscopy,
differential
scanning
calorimetry
analysis
(DSC).
Moreover,
the
electrical
properties
conductive
solutions
measured
by
conductivity
meter.
According
to
obtained
results,
treated
increases
biopolymers.
XRD
results
reveal
that
crystallinity
in
comparison
PANI/PEO
films.
FTIR
proved
presence
functional
groups
PANI,
PEO,
film
structure.
Also,
an
increase
weight
brings
about
peak
intensities
O-H
group.
It
is
determined
enhances
thermal
stability
composites
DSC
analysis.
The
synthesis
of
nanoparticles
using
environmentally
friendly
methods
for
applications
in
fields
such
as
food
packaging
and
biomedicine
has
been
gaining
increasing
attention.
Organic–inorganic
nanostructures
offer
opportunities
to
create
innovative
materials
suitable
use
optoelectronics
biological
applications.
In
this
study,
we
focused
on
producing
nanocomposite
films
by
blending
carboxymethyl
cellulose
(CMC)
chitosan
(CS)
polymers
equal
proportions
(50/50
wt
%)
adding
silver
(Ag
NPs)
through
a
solution
casting
process.
Our
objective
was
examine
how
the
introduction
Ag
NPs
influenced
structural,
optical,
mechanical,
electrical,
antibacterial
properties
virgin
CMC/CS
composites.
XRD
patterns
prepared
samples
indicated
presence
crystalline
phases
within
blend.
FT-IR
spectroscopy
showed
primary
vibrational
peaks
associated
with
CMC
CS,
which
exhibited
reduced
intensity
after
addition
NPs.
UV
absorption
nanocomposites
gradual
increase
shift
toward
longer
wavelengths.
electrical
are
enhanced
higher
concentrations
An
content
resulted
corresponding
enhancement
activity
against
both
Staphylococcus
aureus
Escherichia
coli.
CMC/CS-Ag-doped
demonstrated
significant
enhancements
Young's
modulus
(Y),
tensile
stress
(σt),
elongation
at
break
(εB).
These
findings
suggest
that
these
hold
promise
potential
fields.
Journal of Semiconductors,
Год журнала:
2024,
Номер
45(7), С. 072101 - 072101
Опубликована: Июль 1, 2024
Abstract
Nanocomposite
films
consisting
of
carboxymethyl
cellulose,
polyethylene
oxide
(CMC/PEO),
and
anatase
titanium
dioxide
(TO)
were
produced
by
the
use
sol-gel
solution
casting
techniques.
TiO
2
nanocrystals
effectively
incorporated
into
CMC/PEO
polymers,
as
shown
X-ray
diffraction
(XRD)
attenuated
total
reflectance
fourier
transform
infrared
(ATR-FTIR)
analysis.
The
roughness
growth
is
at
high
levels
TO
(TO
NCs),
which
means
increasing
active
sites
defects
in
CMC/PEO.
In
differential
scanning
calorimetry
(DSC)
thermograms,
change
glass
transition
temperature
(
T
g
)
values
verifies
that
polymer
blend
interacts
with
NCs.
increment
proportions
NCs
have
a
notable
impact
on
dielectric
performances
nanocomposites,
observed.
electrical
properties
CMC/PEO/TO
nanocomposite
undergo
significant
changes.
exhibit
red
alteration
absorption
edge
concentration
increases
blend.
decline
energy
gap
readily
apparent
weight
percentage
increases.
photoluminescence
(PL)
emission
spectra
indicate
luminescence
peak
maximums
show
slight
variation;
peaks
get
wider,
while
their
intensities
decrease
dramatically
These
materials
potential
for
multifunctional
applications
including
optoelectronics,
antireflection
coatings,
photocatalysis,
light
emitting
diodes,
solid
electrolytes.
