Materials,
Journal Year:
2024,
Volume and Issue:
17(21), P. 5249 - 5249
Published: Oct. 28, 2024
This
investigation
focused
on
the
fabrication
of
ceramic
ferrimagnetic
CuFe2O4–conductive
polypyrrole
(PPy)
composites
for
energy
storage.
CuFe2O4
with
a
crystal
size
20–30
nm
and
saturation
magnetization
31.4
emu
g−1
was
prepared
by
hydrothermal
synthesis,
PPy
chemical
polymerization.
High-active-mass
composite
electrodes
were
fabricated
storage
in
supercapacitors
operation
sodium
sulfate
electrolyte.
The
addition
to
resulted
decrease
charge
transfer
resistance
an
increase
capacitance
range
from
1.20
F
cm−2
(31
g−1)
4.52
(117.4
at
1
mV
s−1
sweep
rate
1.17
(29.9
4.60
(120.1
3
mA
current
density.
showed
higher
than
other
magnetic
same
mass
containing
potential
exhibited
improved
cyclic
stability.
behavior
influenced
properties
paramagnetic
PPy.
valuable
combination
capacitive
enriched
materials
science
novel
applications
based
magnetoelectric
magnetocapacitive
properties.
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(7), P. 7883 - 7895
Published: March 20, 2024
The
development
of
a
green
and
environmentally
friendly
photocatalytic
multifunctional
coating
in
the
field
architectural
coatings
is
crucial.
To
this
end,
simple
hydrothermal
method
was
constructed
for
growth
MoS2
situ
on
modified
MoO3,
with
full-spectrum
elimination
bacterial
formaldehyde,
using
waste
bioresource
eggshells
as
substrate
MoO3@MoS2
photocatalyst.
prepared
has
an
excellent
antibacterial
effect
Gram-positive
bacteria
represented
by
S.
aureus
Gram-negative
E.
coli
also
significant
effectiveness
formaldehyde.
generates
electron–hole
pairs,
formation
S-heterojunctions
demonstrated
XPS
under
xenon
lamp
(0.28
W/cm2)
irradiation
increases
photogenerated
pair
separation
improves
performance
coating.
Combining
photothermal
increased
specific
surface
area
discarded
to
enhance
adsorption
properties,
showed
almost
99.9%
antimicrobial
resistance
against
within
10
min.
At
same
time,
rate
high
concentrations
formaldehyde
about
92.5%
30
This
offers
promising
strategy
secondary
use
bioresources
coatings.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(11), P. 2447 - 2447
Published: May 23, 2024
Effective
charge
separation
and
migration
pose
a
critical
challenge
in
the
field
of
solar-driven
hydrogen
production.
In
this
work,
Z-scheme
structured
CuInS2/ZnIn2S4
heterojunction
was
successfully
fabricated
through
two-step
hydrothermal
synthesis
method
to
significantly
enhance
efficiency
solar-to-hydrogen
energy
conversion.
Structural
characterization
revealed
that
lattice-matched
exhibits
an
enlarged
interfacial
contact
area,
which
facilitates
transfer
photogenerated
charges.
Microscopic
analysis
indicated
composite
material
has
tightly
interwoven
interface
morphology
resembling
small
sugar
cubes.
Photoelectrochemical
spectroscopy
demonstrated
structure
effectively
enhances
visible
light
absorption
efficiency,
leading
improvement
photocatalytic
activity.
Hydrogen
production
experimental
data
photocatalyst
prepared
with
CuInS2
content
20
wt%
highest
evolution
rate,
reaching
284.9
μmol·g−1·h−1.
Moreover,
maintains
robust
stability
even
after
three
consecutive
usage
cycles.
This
study
enhanced
offering
effective
structural
design
for
harnessing
solar
obtain
fuel.
Therefore,
is
promising
candidate
practical
applications
