Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: Nov. 28, 2023
A
ternary
nanocomposite
of
plasticized
starch
(PS),
reduced
graphene
oxide
(rGO),
and
molybdenum
disulfide
(MoS2)
was
prepared
via
a
solution
casting
process,
with
MoS2
concentrations
ranging
from
0.25
to
1.00
wt%.
The
structural,
surface
morphological,
optical,
electrochemical
properties
the
nanocomposites
were
studied.
FTIR
analysis
reveals
formation
new
chemical
bonds
between
PS,
rGO,
MoS2,
indicating
strong
interactions
among
them.
XRD
showed
reduction
in
crystallinity
40
21%
due
incorporation
nanofiller.
FESEM
micrograph
an
increment
roughness
rGO-MoS2
layers.
UV-vis
spectroscopy
demonstrated
optical
bandgap
4.71
2.90
eV,
resulting
enhanced
charge
transfer
layers
defect
states
addition
nanofillers.
increase
specific
capacitance
PS
2.78
124.98
F
g-1
at
current
density
0.10
mA
g-1.
EIS
revealed
that
nanofiller
significantly
reduces
resistance
4574
0
Ω,
facilitating
ion
transportation
PS/rGO/MoS2
also
exhibited
excellent
stability,
retaining
about
85%
its
up
10,000
charging-discharging
cycles.
These
biocompatible
polymer-based
improved
performance
synthesized
easy
economical
route
may
offer
promising
direction
fabricate
nature-friendly
electrode
material
for
energy
storage
applications.
ACS Omega,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 9, 2024
The
synthesis
of
nanoparticles
using
environmentally
friendly
methods
for
applications
in
fields
such
as
food
packaging
and
biomedicine
has
been
gaining
increasing
attention.
Organic–inorganic
nanostructures
offer
opportunities
to
create
innovative
materials
suitable
use
optoelectronics
biological
applications.
In
this
study,
we
focused
on
producing
nanocomposite
films
by
blending
carboxymethyl
cellulose
(CMC)
chitosan
(CS)
polymers
equal
proportions
(50/50
wt
%)
adding
silver
(Ag
NPs)
through
a
solution
casting
process.
Our
objective
was
examine
how
the
introduction
Ag
NPs
influenced
structural,
optical,
mechanical,
electrical,
antibacterial
properties
virgin
CMC/CS
composites.
XRD
patterns
prepared
samples
indicated
presence
crystalline
phases
within
blend.
FT-IR
spectroscopy
showed
primary
vibrational
peaks
associated
with
CMC
CS,
which
exhibited
reduced
intensity
after
addition
NPs.
UV
absorption
nanocomposites
gradual
increase
shift
toward
longer
wavelengths.
electrical
are
enhanced
higher
concentrations
An
content
resulted
corresponding
enhancement
activity
against
both
Staphylococcus
aureus
Escherichia
coli.
CMC/CS-Ag-doped
demonstrated
significant
enhancements
Young's
modulus
(Y),
tensile
stress
(σt),
elongation
at
break
(εB).
These
findings
suggest
that
these
hold
promise
potential
fields.
Journal of Vinyl and Additive Technology,
Journal Year:
2023,
Volume and Issue:
30(1), P. 230 - 243
Published: Aug. 25, 2023
Abstract
Due
to
the
novel
physicochemical
properties
of
polymeric
nanocomposites
(PNCs),
a
remarkable
role
PNCs
has
been
accomplished
in
plenty
flexible
optoelectronic
applications.
Solution
cast
procedure
performed
prepare
different
contents
(0.1,
0.5,
1.0,
5.0,
and
10
wt%)
Ag
1.6
Cu
0.2
S
(ACS)
incorporated
PVP/PVA
blend.
Fourier
transforms
infrared
scanning
electron
microscope
measurements
were
carried
out
investigate
influence
ACS
on
structure
morphology.
UV–visible
spectrophotometry
technique
was
applied
examine
optical
modifications.
Spectroscopic
analysis
reveals
that
direct/indirect
bandgap
host
shrinks
from
5.21/4.95
eV
(PVP/PVA
0
)
4.87/4.54
).
Moreover,
obvious
enrichments
whole
linear/nonlinear
parameters
are
achieved
by
doping.
For
example,
refractive
index
dielectric
constants
increased
1.69
2.87
1.91
3.63
While
two
orders
magnetite
enhancement
nonlinear
third‐order
susceptibility
via
10%
The
electrical
performance
explored,
which
discloses
DC‐electrical
conductivity
()
activation
energy.
obtained
structural,
spectroscopic
investigations
prove
could
play
an
efficient
Highlights
casting
used
loaded
with
Ag/CuS
NPs.
FT‐IR
successful
incorporation
structure.
Enrichments
Electrical
greatly
enhanced.
Journal of Materials Science Materials in Electronics,
Journal Year:
2023,
Volume and Issue:
34(20)
Published: July 1, 2023
Abstract
The
current
work
aims
to
synthesize
carboxymethyl
cellulose/polypyrrole
(CMC/PPy)
blends
with
different
PPy
concentrations
as
promising
for
energy
storage
devices
low
cost
and
excellent
chemical
physical
characteristics.
structural
dielectric
characteristics
of
CMC/PPy
were
studied.
FT-IR
spectroscopy
is
utilized
study
the
properties
present
blends,
whereas
are
explored
at
frequency
range
0.1
Hz−20
MHz.
showed
good
homogeneity
between
CMC
matrix
a
conductive
filler.
thermal
behavior
was
also
investigated
using
DSC,
where
stability
improved
after
incorporating
into
host
matrix.
results
indicated
rise
in
parameters
an
increase
content
up
8
wt%.
dependents.
constant
(ε′)
AC
electrical
conductivity
under
enhanced
by
about
33%
loss
(ε″)
values
decreased
from
3.4938
0.93071
10
kHz;
this
performance
means
that
have
possibility
various
applications,
such
sensors,
batteries,
capacitors.
