Journal of Physics D Applied Physics,
Год журнала:
2023,
Номер
57(3), С. 035301 - 035301
Опубликована: Окт. 13, 2023
Abstract
The
fabrication
of
polymer
nanocomposites
with
specialized
traits
is
gaining
popularity
across
the
world
due
to
novel
added
qualities.
In
this
work
we
used
a
flash
auto-combustion
method
prepare
Mn
0.5
Fe
1.5
Mg
Ni
O
4
nanoparticles
and
casting
/PVA
nanocomposite
films
doping
various
from
1–5
wt.%.
effect
addition
on
structural,
optical,
dielectric
characteristics
was
analyzed.
structural
properties
were
studied
using
x-ray
diffraction
pattern,
high
resolution
transmission
electron
microscope,
Fourier
transform
infrared,
field
emission
scanning
microscope.
effects
ac
conductivity,
electric
modulus,
impedance,
constant
investigated.
It
shows
that
have
higher
values
permittivity
conductivity
than
PVA
exhibit
lower
loss,
impedance.
optical
showed
indirect
decreased
4.8
4.4
eV.
According
experimental
results,
these
show
promise
for
laser
CUT-OFF
filters
energy
storage
devices.
Physica Scripta,
Год журнала:
2023,
Номер
98(7), С. 075935 - 075935
Опубликована: Июнь 13, 2023
Abstract
Nanocomposite
films
made
of
polystyrene
(PS)
and
polyvinyl
carbazole
(PVK)
filled
with
varying
quantities
titanium
oxide
(TiO
2
)
nanoparticles
(NPs)
were
prepared
using
the
solution
casting
process.
The
TiO
NPs’
impact
on
pure
PS/PVK
blend’s
structural,
optical,
conductive
properties
was
investigated
explained.
X-ray
diffraction
(XRD)
Transmission
electron
microscopy
(TEM)
measurements
indicate
that
synthesized
size
ranges
between
12
32
nm
has
a
tetragonal
anatase
phase.
XRD
scans
also
filling
NPs
decreases
nanocomposite
crystallinity.
Fourier
transform
infrared
(FTIR)
analysis
shows
main
distinctive
absorption
peaks
PS
PVK,
whose
intensities
changed
randomly
after
filling.
Moreover,
highest
content
showed
new
peak
at
449
cm
−1
.
UV/visible
optical
energy
gaps
for
direct
indirect
permitted
transitions
decreased
as
increased.
Using
impedance
spectroscopy
room
temperature,
AC
electrical
conductivity
mixture
containing
over
broad
frequency
range
from
10
to
7
Hz.
It
been
shown
dependence
obeys
Jonscher’s
rule,
increase
concentration
in
blend
induces
formation
percolating
network
within
composite.
composite’s
dielectric
loss
constant
nanoparticle
concentration.
Journal of Physics D Applied Physics,
Год журнала:
2023,
Номер
57(3), С. 035301 - 035301
Опубликована: Окт. 13, 2023
Abstract
The
fabrication
of
polymer
nanocomposites
with
specialized
traits
is
gaining
popularity
across
the
world
due
to
novel
added
qualities.
In
this
work
we
used
a
flash
auto-combustion
method
prepare
Mn
0.5
Fe
1.5
Mg
Ni
O
4
nanoparticles
and
casting
/PVA
nanocomposite
films
doping
various
from
1–5
wt.%.
effect
addition
on
structural,
optical,
dielectric
characteristics
was
analyzed.
structural
properties
were
studied
using
x-ray
diffraction
pattern,
high
resolution
transmission
electron
microscope,
Fourier
transform
infrared,
field
emission
scanning
microscope.
effects
ac
conductivity,
electric
modulus,
impedance,
constant
investigated.
It
shows
that
have
higher
values
permittivity
conductivity
than
PVA
exhibit
lower
loss,
impedance.
optical
showed
indirect
decreased
4.8
4.4
eV.
According
experimental
results,
these
show
promise
for
laser
CUT-OFF
filters
energy
storage
devices.
