Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 13, 2024
Abstract
The
full
text
of
this
preprint
has
been
withdrawn
by
the
authors
as
it
was
submitted
and
made
public
without
consent
all
authors.
Therefore,
do
not
wish
work
to
be
cited
a
reference.
Questions
should
directed
corresponding
author.
ABSTRACT
Polymer
nanocomposites
have
garnered
significant
interest
for
their
potential
in
different
applications.
Precise
control
over
structural,
optical,
and
electrical
properties
using
hybrid
ZnO/Cu
NPs
fillers
is
crucial
optimizing
performance
these
To
address
this
need,
herein,
we
investigate
the
effect
of
zinc
oxide
(ZnO)
copper
(Cu)
nanoparticles
(NPs)
on
dielectric/electrical
polyethylene
(PEO)
polyvinylpyrrolidone
(PVP)
blends.
The
were
synthesized
by
incorporating
1.5
wt%
ZnO
varying
concentrations
Cu
(1.0%
3.0%)
into
PVP/PEO
matrix.
prepared
films
characterized
FTIR,
XRD,
UV/Vis
spectroscopy,
dielectric
analysis,
impedance
spectroscopy.
FTIR
XRD
analyses
indicated
structural
changes,
including
reduced
crystallinity
improved
polymer–nanofiller
interactions.
Optical
measurements
revealed
a
redshift
absorption
edge
decrease
optical
band
gap,
with
values
shifting
from
4.89
eV
(direct)
3.99
(indirect)
to
4.16
2.13
eV,
respectively.
Dielectric
analysis
showed
enhanced
constants
interfacial
polarization
effects,
while
AC
conductivity
demonstrated
an
increase
conductivity.
Nyquist
plot
confirmed
bulk
resistance
higher
filler
concentrations.
These
findings
underscore
applications
optoelectronic
devices
sensors.
