Journal of Materials Science Materials in Electronics,
Journal Year:
2023,
Volume and Issue:
34(36)
Published: Dec. 1, 2023
Abstract
Herein,
PVA:
PVP@Ni(OAc)
2
nanocomposite
spin-coated
thin
films
have
been
fabricated
as
a
barrier
modifier
interlayer
in
metal/polymer/semiconductor
configuration
for
light
detection
applications.
The
nanostructure,
well
the
surface
roughness
profile
of
deposited
films,
inspected
using
high-resolution
transmission
electron
microscope
(HR-TEM)
and
field
emission
scan
(FE-SEM).
obtained
results
showed
nanoplatelet
architecture
with
smooth
surfaces
average
~
7.08
nm.
optical
absorption,
reflection,
spectra
analyzed
value
film’s
energy
gap
has
confirmed
several
analytical
approaches.
Furthermore,
DC
electrical
properties
Ag/Si
(n-type
p
-type),
Ag/polymer
nanocomposite/Si
(
n
-type
investigated
under
dark
conditions.
microelectronic
estimated
thermionic
emission,
Norde’s,
Cheung-Cheung’s
models.
Besides,
mechanistic
details
charge
transport
explored
forward
reverse
bias
photoresponsive
features
designed
Ag/
PVA/PVP@Ni(OAc)
/p-Si
junction
evaluated
different
illumination
intensities.
current
device
achieved
superior
photodetection
capability
high
responsivity,
detectivity,
fast
switching
behavior.
Optical and Quantum Electronics,
Journal Year:
2024,
Volume and Issue:
56(3)
Published: Jan. 27, 2024
Abstract
Sb
2
S
3
chalcogenide
Nanopowder
was
prepared
at
low
temperatures
using
the
chemical
co-precipitation
method.
PVA/PVP
polymeric
sheets
have
been
with
a
constant
ratio
of
2:1
as
host
matrix
to
incorporate
NPS
0,
1,
3,
and
5
wt%
via
solution
casting
technique.
The
X-ray
diffraction
(XRD)
pattern
revealed
that
powder
belongs
an
orthorhombic
crystalline
structure
major
phase,
crystal
size
24
nm.
microstructure
well
/PVA/PVP
investigated
transmission
electron
microscope.
Fourier
transform
infrared
spectra
success
interaction
between
filler
material
polymer
matrix.
reflection
measured
in
wavelength
range
200–2500
nm
used
calculate
optical
band
gap
energy
refractive
index
function
wt%.
Tauc
model
absorption
spectrum
fitting
were
employed
accurately
determine
variation
value
percent.
Wemple-DiDomenico
single-oscillator
Spitzer-Fan,
models
applied
analyze
filling
wt%,
whereby
dispersion
parameters,
$${E}_{d},{E}_{o}$$
Ed,o
high-frequency
dielectric
constant,
$${\varepsilon
}_{L}$$
εL
carrier
concentration
effective
mass
ratio,
$$N/{m}^{*}$$
N/m∗
evaluated.
A
graphical
representation
conductivity
also
present.
obtained
data
indicate
possibility
nanocomposite
for
optoelectronic
applications
devices.
