Journal of Materials Research and Technology,
Journal Year:
2024,
Volume and Issue:
30, P. 1288 - 1300
Published: March 25, 2024
Silicon
carbide
(SiC)-reinforced
polythiophene
(PTh)
nanocomposites
were
synthesized
by
oxidative
in-situ
polymerization.
The
successful
inclusion
of
SiC
nanoparticles
into
the
PTh
was
confirmed
characteristic
peak
Si–C
bond
around
865
cm−1
in
Fourier
transform
infrared
(FT-IR)
spectra.
X-ray
diffraction
(XRD)
patterns
demonstrate
that
amorphous
nature
reduces
with
addition
SiC.
intensity
UV–Vis
absorbance
increased
proportionally
filler
loading,
indicating
improved
optical
properties
for
PThSiC7
(polythiophene/silicon
carbide,
7
wt%)
nanocomposite
compared
to
pristine
PTh.
Field
emission
scanning
electron
microscopy
(FE-SEM)
images
illustrate
changes
surface
morphology
and
uniform
dispersion
observed
PThSiC7.
formation
spherical-shaped
moieties
using
transmission
(TEM).
shifts
degradation
glass
transition
temperatures
towards
higher
values
attributed
enhanced
thermal
nanocomposites.
Temperature-dependent
studies
on
electrical
dielectric
samples
underscored
excellent
conductivity
exhibited
(7
×
10−3
S/cm)
a
low
activation
energy
0.058
eV.
In
response
growing
demand
gas
sensors,
tested
sense
ammonia
gas,
demonstrating
PThSiC
more
sensitive
than
controllable
properties,
stability,
characteristics,
sensing
performance
suggest
their
potential
as
promising
material
development
advanced
storage
systems,
optoelectronic
devices.
Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(9), P. 759 - 759
Published: April 25, 2024
Polymer
nanocomposite
films
based
on
poly(vinyl
pyrrolidone)
incorporated
with
different
amounts
of
copper
oxide
(CuO)
nanoparticles
were
prepared
by
the
solution
casting
technique.
The
PVP/CuO
nanocomposites
analyzed
X-ray
diffractometry
(XRD),
scanning
electron
microscopy,
UV-Visible
absorption
spectroscopy
and
dielectric
spectroscopy.
XRD
analysis
showed
that
monoclinic
structure
cupric
was
maintained
in
PVP
host
matrix.
key
optical
parameters,
such
as
energy
gap
E
