Surface Innovations,
Journal Year:
2024,
Volume and Issue:
13(2), P. 117 - 127
Published: Dec. 27, 2024
This
work
used
the
solution
casting
production
method
to
prepare
polyvinyl
alcohol
(PVA)/copper
oxide
(CuO)
composite
films,
which
consists
of
polymer
(PVA)
and
nanoparticles
(CuO),
for
application
in
optoelectronic.
The
films
were
treated
with
argon
beam
fluencies
3
×
10
17
,
6
9
ions/cm
2
.
X-ray
diffraction,
Fourier-transform
infrared,
ultraviolet–visible
techniques
employed
investigate,
respectively,
structural,
chemical
changes,
optical
properties
pure
films.
crystallite
size
is
reduced
from
16.4
nm
PVA/CuO
11
irradiated
by
fluence
In
addition,
band
gap
3.75
eV
3.70,
3.40,
3.10
eV,
increasing
ion
parameters
both
untreated
bombarded
samples
determined.
single
oscillator
energy
E
o
enhanced
3.3
3.90
outcome
this
study
novel
characteristics,
can
be
applied
optoelectronic
devices.
The European Physical Journal Plus,
Journal Year:
2024,
Volume and Issue:
139(5)
Published: May 6, 2024
Abstract
This
paper
presents
the
method
of
preparing
(60
−
x
)
B
2
O
3
–20
K
O–20
PbO–
NiO,
coded
as
(NiO
),
and
=
(0–10
mol%)
glass
systems
fabricated
through
melt-quench
technique.
The
prepared
was
characterized
X-ray
diffraction
spectra
(XRD);
mechanical
behavior
samples
investigated
using
ultrasonic
technique,
Fourier
transform
infrared
(FTIR)
spectra,
optical
reflectance
R
(
λ
refractive
index
n
conductivity
σ
opt
dispersion
parameters
studied
were
deduced
Wemple
Di-Domenico
models.
results
obtained
reported
in
detail.
One
fundamental
used
to
evaluate
interaction
radiation
with
shielding
material
mass
attenuation
coefficient
μ
m
which
Phy/X
software
PHITS
code
program.
It
calculate
parameters,
e.g.,
linear
L
coefficient,
effective
atomic
number
Z
eff
half
value
layer
HVL,
mean
free
path
(MFP)
average
cross
section,
σt
.
Comparing
revealed
that
10)
demonstrated
highest
compared
other
samples.
maximum
values
equal
48.13,
48.73,
49.42,
50.59,
51.08
cm
/g
for
0)
10),
recorded
at
0.015
MeV,
respectively.
study
shows
increasing
amount
NiO
preferred
leads
achieving
high-performance
materials.
Graphical
abstract
Materials,
Journal Year:
2024,
Volume and Issue:
17(6), P. 1312 - 1312
Published: March 12, 2024
Based
on
MnO2/carbon
cloth
(CC)
composite
materials,
an
Ag-doped
MnO2
nanowire,
self-assembled,
urchin-like
structure
was
synthesized
in
situ
the
surface
of
CC
using
a
simple
method,
and
novel
efficient
flexible
electrode
material
for
supercapacitors
developed.
The
morphology,
structure,
elemental
distribution,
pore
distribution
were
analyzed
SEM,
TEM,
XRD,
XPS,
BET.
electrochemical
performance
tested
cyclic
voltammetry
(CV)
galvanostatic
charge/discharge
(GCD).
In
three-electrode
system,
GCD
testing
showed
that
specific
capacitance
reached
520.8
F/g
at
0.5
A/g.
After
2000
cycles
current
density
1
A/g,
retention
rate
90.6%,
demonstrating
its
enormous
potential
application
supercapacitor
materials.
Surface Review and Letters,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 27, 2024
In
this
study,
the
composite
P(4ClAni)/CuO,
which
consists
of
Poly(4-Chloroaniline)
P(4ClAni)
and
copper
oxide
(CuO)
nanoparticles,
was
successfully
synthesized
utilizing
a
chemically
oxidative
polymerization
approach
to
be
applied
in
optoelectronics.
Both
FTIR
EDX
analyses
showed
that
CuO
has
been
integrated
into
matrix.
The
SEM
micrographs
reveal
uniform
loading
distribution
throughout
polymeric
chains.
UV–Vis
absorbance,
Urbach
energy,
band
edge
number
carbon
clusters
were
determined.
Tauc
relationship
used
determine
gaps,
revealed
decrease
as
concentration
increased.
gap
drops
from
3.84[Formula:
see
text]eV
for
3.09,
2.85,
2.64[Formula:
text]eV,
correspondingly
P(4ClAni)/CuO-1,
P(4ClAni)/CuO-2,
P(4ClAni)/CuO-3.
While,
tail
is
increased
1.66[Formula:
1.81,
1.85,
1.93[Formula:
text]eV.
results
show
composites
made
P(4ClAni)/CuO
have
better
optical
characteristics
than
pure
polymer
P(4ClAni),
suggesting
they
can
use
these
optoelectronics
devices.
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 21, 2024
Abstract
The
solution
casting
production
process
was
used
to
synthesis
the
composite
PVA/CuO
that
is
consisting
of
copper
oxide
nanoparticle
(CuONP)
with
polyvinyl
alcohol
(PVA)
for
use
in
optoelectronic.
were
then
irradiated
argon
fluences
3x10
17
,
6x10
and
9x10
ions.cm
−
2
by
cold
cathode
ion
source.
XRD,
FTIR,
UV/Vis
are
employed
investigate
structural,
functional
group,
optical
impacts
PVA/CuO.
In
addition,
dispersion
properties
investigated
films
calculated
using
Wemple
Di-Domenico
method,
which
led
determination
various
parameters.
Pure
estimated
their
susceptibility
refractive
index.
At
fluence
single
oscillator
energy
E
o
rises
from
3.25
eV
un-irradiated
film
3.89
d
0.098
0.26
eV.
Therefore,
results
reveal
more
applicable
optoelectronics.
