ACS Omega,
Год журнала:
2023,
Номер
8(39), С. 35682 - 35692
Опубликована: Сен. 18, 2023
Abundant
chitosan
was
rationally
used
for
the
green
fabrication
of
cadmium
oxide
nanorods
(CdO
nanorods)
owing
to
its
environmentally
benign
characteristics,
bioavailability,
low
cost,
etc.
However,
primary
unsubstituted
amino
group
interacts
with
surface
Cd
salt
at
higher
temperatures,
resulting
in
CdO
nanorod
formation.
A
one-step
hydrothermal
technique
adopted
presence
chitosan.
Optical,
structural,
and
morphology
techniques
characterized
nanorods.
According
X-ray
diffraction
crystallography,
is
well
crystallized
face-centered
cubic
lattice
an
Fm-3m
(225)
space
group.
The
AC@CdO
nanoelectrode
demonstrated
outstanding
gravimetric
capacitance
320
F
g-1
a
current
density
0.5
g-1,
nearly
three-fold
that
ordinary
AC
electrodes.
electrode
retain
90
93%
their
initial
specific
after
10,000
galvanostatic
charge
discharge
cycles.
has
lower
equivalent
series
resistance
value
than
electrode.
Moreover,
symmetric
supercapacitor
devices
achieve
excellent
results
terms
energy,
power,
retention.
Abstract
In
this
study,
chitosan‐silver
(Chs‐Ag)
composites
containing
Ag
in
different
concentrations
(0.01–0.08
M)
were
prepared.
The
characterization
and
structure
studies
of
the
0.01,
0.02,
0.04,
0.08
M
carried
out,
then
dielectric
properties
these
examined.
characterized
by
Fourier
transform
infrared
spectrophotometer
(FTIR),
scanning
electron
microscopy
energy
dispersive
spectroscopy
(SEM‐EDS),
thermogravimetric
analysis
(TGA).
electrical
investigated
depending
on
frequency
at
room
temperature,
determined
using
an
impedance
analyzer.
Spectroscopy
revealed
that
constant
(ε′),
loss
(ε′′),
real
(Z′)
imaginary
(Z″)
components
are
found
to
decrease
with
increased
for
both
Chs
Chs‐Ag
(0.01M–0.08
composites.
On
contrary,
AC
conductivity
(
σ
ac
)
samples
increasing
frequency.
ε′
ε′′
values
lower
than
when
was
added.
improved
addition
silver
particles.
results
show
as
filler.
ACS Omega,
Год журнала:
2023,
Номер
8(39), С. 35682 - 35692
Опубликована: Сен. 18, 2023
Abundant
chitosan
was
rationally
used
for
the
green
fabrication
of
cadmium
oxide
nanorods
(CdO
nanorods)
owing
to
its
environmentally
benign
characteristics,
bioavailability,
low
cost,
etc.
However,
primary
unsubstituted
amino
group
interacts
with
surface
Cd
salt
at
higher
temperatures,
resulting
in
CdO
nanorod
formation.
A
one-step
hydrothermal
technique
adopted
presence
chitosan.
Optical,
structural,
and
morphology
techniques
characterized
nanorods.
According
X-ray
diffraction
crystallography,
is
well
crystallized
face-centered
cubic
lattice
an
Fm-3m
(225)
space
group.
The
AC@CdO
nanoelectrode
demonstrated
outstanding
gravimetric
capacitance
320
F
g-1
a
current
density
0.5
g-1,
nearly
three-fold
that
ordinary
AC
electrodes.
electrode
retain
90
93%
their
initial
specific
after
10,000
galvanostatic
charge
discharge
cycles.
has
lower
equivalent
series
resistance
value
than
electrode.
Moreover,
symmetric
supercapacitor
devices
achieve
excellent
results
terms
energy,
power,
retention.
