Catalysts,
Год журнала:
2024,
Номер
14(12), С. 901 - 901
Опубликована: Дек. 9, 2024
Cobalt
ferrite
(CoFe2O4)
combined
with
multi-walled
carbon
nanotubes
(MWCNTs)
is
an
outstanding
material
regarding
photoelectrochemical
water
oxidation
(PEC-WO)
because
of
its
excellent
catalytic
properties
and
stability.
On
the
other
hand,
surface
imperfections
in
CoFe2O4
can
cause
band
bending
Fermi
level
pinning,
significantly
reducing
PEC
conversion
efficiency.
Heterostructure
engineering
essential
for
achieving
increased
light-gathering
capacity
charge
separation
efficiency
PEC-WO.
In
this
study,
a
quaternary
heterostructure
CoFe2O4/MWCNT-doped
Metal–Organic
Framework-100
(Iron),
MIL-100(Fe)/Titanium
Oxide
(TiO2)
was
synthesized
by
using
combination
hydrothermal,
solvothermal,
“dip
dry”
techniques.
Characterization
results
confirmed
formation
structural
network
MIL-100(Fe)
on
TiO2
surfaces,
enhanced
incorporation
MWCNTs
during
hydrothermal
reaction.
Under
1
sun
irradiation,
resultant
displayed
photocurrent
density
(Jph)
3.70
mA
cm−2
under
free
bias
voltage,
which
around
3.08
times
more
than
that
pristine
photoanodes
(Jph
=
1.20
cm−2).
This
investigation
highlights
advantages
improving
solar
PEC-WO
performance
photoanodes.
Catalysts,
Год журнала:
2025,
Номер
15(1), С. 66 - 66
Опубликована: Янв. 13, 2025
Fibrous
SiO2-TiO2
(FST)
is
one
of
the
most
promising
materials
for
advancing
photoelectrochemical
water-splitting
technology
due
to
its
cost-effectiveness
and
environmental
friendliness.
However,
FST
faces
intrinsic
limitations,
including
low
conductivity
wide
bandgap.
In
this
study,
significant
progress
was
made
in
modifying
overcome
some
these
limitations.
This
work
involved
synthesizing
a
new
photoanode
Ag-doped
utilizing
microemulsion
process.
The
characterized
using
XRD,
FTIR,
UV–Vis,
DRS,
N2
adsorption–desorption,
FESEM,
TEM,
XPS.
results
confirmed
formation
continuous
concentric
lamellar
structure
with
large
surface
area.
addition
Ag
species
into
matrix
caused
interactions
that
reduced
exhibited
an
impressive
photocurrent
density
13.98
mA/cm2
at
1.2
V
(vs.
RHE).
notably
higher
than
photoanodes,
which
11.65
Furthermore,
conduction
band
positioned
closer
reduction
potential
hydrogen
compared
FST,
SiO2,
TiO2,
facilitating
rapid
charge
transfer
enabling
spontaneous
generation
H2.
fabrication
provides
valuable
insights
development
high-performance
photoanodes
PEC
water
splitting.
International Journal of Nanomedicine,
Год журнала:
2025,
Номер
Volume 20, С. 2813 - 2846
Опубликована: Март 1, 2025
Abstract:
Metal-based
nanoparticles
(MNPs)
have
great
potential
for
applications
in
wound
healing
and
tissue
engineering,
due
to
their
unique
structures,
high
bioactivities,
excellent
designability
characteristics,
an
increasing
number
of
studies
been
devoted
modifying
these
species
generate
novel
composites
with
desirable
optical,
electrical,
magnetic
properties.
However,
few
systematic
detailed
reviews
performed
relating
the
modification
approaches
available
MNPs
resulting
composites.
In
this
review,
a
comprehensive
summary
is
regarding
optimized
formulations
application
dressings,
techniques
used
prepare
composite
dressings
are
discussed.
addition,
safety
profiles
nanocomposite
limitations
reported
systems
evaluated.
More
importantly,
solution
strategies
proposed
address
limitations.
Overall,
review
provides
new
ideas
design
facilitate
field
skin
repair,
also
looks
into
future
direction
biomedical
field.
Keywords:
metal-based
nanoparticles,
nanocomposite,
dressing,
multi-functional,
