Molecules,
Journal Year:
2023,
Volume and Issue:
28(6), P. 2489 - 2489
Published: March 8, 2023
An
innovative
form
of
2D/0D
g-C3N4/CeO2
nanostructure
was
synthesized
using
a
simple
precursor
decomposition
process.
The
2D
g-C3N4
directs
the
growth
0D
CeO2
quantum
dots,
while
also
promoting
good
dispersion
CeO2QDs.
This
shows
capacitance
202.5
F/g
and
notable
rate
capability
stability,
outperforming
electrode,
reflecting
state-of-the-art
binary
electrodes.
combination
materials
enables
an
asymmetric
device
(g-C3N4/CeO2QDs//AC)
to
deliver
highest
energy
density
(9.25
Wh/kg)
power
(900
W/kg).
superior
capacity
stability
endorsed
structural
merits
CeO2QDs
layered
g-C3N4,
which
offer
more
accessible
sites
for
ion
transport.
These
results
suggest
that
g-C3N4/CeO2QDs
is
promising
electrode
material
storage
devices.
Journal of Materials Research and Technology,
Journal Year:
2023,
Volume and Issue:
24, P. 1949 - 1972
Published: March 10, 2023
To
improve
the
properties
of
AZ31B
Mg
alloy
and
for
first
time,
rare
earth
cerium
oxide
(CeO2)
zirconium
dioxide
(ZrO2)
were
combined
synergistic
benefits
introduced
into
structural
magnesium
through
solid-state
friction
stir
processing
procedure
to
form
hybridized
Mg/ZrO2+CeO2
composites
under
variable
levels
tool's
rotational
speed
up
1200
rpm.
The
macro-/microstructure,
hardness,
shear
punching
strength,
tensile
corrosion
behaviours,
tribological
characteristics
such
as
weight/wear
loss,
wear
rate,
coefficient
friction,
worn
surfaces,
debris
hybrid
investigated
compared.
results
indicated
that
void,
tunnel
defect,
ZrO2+CeO2
agglomeration
could
not
be
prevented
at
low
(800
rpm)
while
defect-free
obtained
high
(1200
rpm).
Grain
refinement
from
7.39
μm
3.38
fragmentation
(4.52–2.49
μm)
ensued
after
a
rise
in
owing
higher
plastic
straining,
dynamic
recrystallization,
particle-aided
pinning
effects.
Improvements
hardness
(99–135
HV),
strength
(121–237
MPa),
(172–228
MPa)
composite
attained
due
defect
elimination,
inherent
finer
grains,
uniformly
dispersed
particles.
These
attributes
also
enhanced
resistance
elevated
rotating
tool.
combination
CeO2
ZrO2
particles
is
an
effective
particle-blend
improving
expand
its
application
scope.
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(3), P. 3249 - 3259
Published: Jan. 25, 2024
A
trimetallic
heterojunction-derived
Co3S4/NiS2/Cu2S
with
different
ratios
through
a
two-step
hydrothermal
method
was
successfully
synthesized,
showing
multifunctional
properties
such
as
excellent
electrochemical
behavior
and
high
photocatalytic
activity.
Both
performances
were
optimized
by
adjusting
the
concentration
of
Cu
without
any
change
in
Co
Ni
concentrations.
Among
synthesized
nanocomposites,
CNCS-0.15
(Co3S40.5/NiS20.5/Cu2S0.15)
depicted
maximum
specific
capacity
464.16
C
g–1
at
1
revealed
from
measurements.
Further
for
real-time
usage,
assembling
hybrid
supercapacitor
CNCS-0.15(+)||activated
carbon(−)
furnished
an
energy
density
84.95
W
h
kg–1
power
1134
good
retention
93.64%
5000
cycles.
In
addition,
also
displayed
remarkable
performance
under
visible
light
illumination
utilizing
Congo
red
(CR)
dye.
It
could
effectively
degrade
91%
CR
(40
mg
L–1)
double
Z-scheme
mechanism
owing
to
charge
carriers'
availability
higher
redox
ability.
The
Mott–Schottky
analysis
along
scavenging
experiment
confirmed
involvement
h+
O2–.
radicals
photodegradation.
Due
highly
interconnected
nanoflake
architectures,
holds
promising
application
electrode
active
photocatalyst.