In
this
study,
we
elucidate
the
synthesis
and
characterization
of
molybdenum
(Mo)
doped
zinc
oxide
(ZnO)
nanoflowers
(Mo-ZnO@NF)
fabricated
via
a
hydrothermal
approach,
showcasing
their
potential
application
in
hydrogen
generation
dye
degradation.
The
successful
these
is
achieved
through
deliberate
incorporation
Mo
ions
into
ZnO
lattice,
yielding
distinctive
hierarchical
flower-like
morphology.
Comprehensive
structural,
morphological,
optical
analyses
are
conducted
employing
suite
analytical
techniques,
encompassing
XRD,
Raman,
FESEM,
UV-Visible
spectroscopy.
XRD
analysis
confirms
retention
hexagonal
wurtzite
crystal
structure,
accompanied
by
discernible
peak
shifts
indicative
ion
integration.
FESEM
imaging
further
elucidates
architecture
Mo-ZnO,
underscoring
intricate
morphological
features.
Photocatalytic
assessment
reveals
remarkable
efficacy
Mo-ZnO@NF,
as
evidenced
an
unprecedented
evolution
rate
2024
mmol/h/g
97%
Methylene
Blue
(MB)
degradation
within
mere
40-minute
timeframe.
Furthermore,
comparative
investigation
between
pristine
varying
doping
concentrations
(ranging
from
1%
to
5%)
underscores
optimal
concentration
ZnO.
This
threshold
shown
engender
superior
photocatalytic
performance,
potentially
attributed
enhanced
charge
carrier
separation
increased
surface
area
conducive
catalytic
reactions.
Overall,
study
not
only
advances
our
understanding
Mo-ZnO@NF
nanostructures
but
also
key
insights
optimizing
for
diverse
environmental
remediation
applications.
Journal of Vacuum Science & Technology A Vacuum Surfaces and Films,
Год журнала:
2024,
Номер
42(2)
Опубликована: Фев. 29, 2024
Zinc
oxide
is
a
breakthrough
multifunctional
material
of
emerging
interest
applicable
in
the
areas
electronics,
computing,
energy
harvesting,
sensing,
optoelectronics,
and
biomedicine.
ZnO
has
direct
wide
bandgap
high
exciton
binding
energy.
It
nontoxic,
earth-abundant,
biocompatible.
However,
growth
characterization
high-quality
been
challenge
bottleneck
its
development.
Efforts
have
made
to
synthesize
device-quality
zinc
unleash
potential
for
multiple
advanced
applications.
could
be
grown
as
thin
films,
nanostructures,
or
bulk,
properties
optimized
by
tuning
techniques,
conditions,
doping.
suitable
next
generation
devices
including
spintronics,
sensors,
solar
cells,
light-emitting
diodes,
thermoelectrics,
etc.
important
urgent
collate
recent
advances
this
material,
which
would
strategically
help
further
research
developments
ZnO.
This
paper
provides
coherent
review
growth,
leading
advancing
Recent
technologies
that
address
native
defects,
current
challenges
oxide,
applications
are
reviewed
discussed
article.
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(14), С. 7876 - 7876
Опубликована: Июль 18, 2024
Iron
oxide
nanoparticles
were
synthesized
by
co-precipitation
using
three
different
iron
salt
stoichiometric
mole
ratios.
Powder
X-ray
diffraction
patterns
revealed
the
inverse
cubic
spinel
structure
of
magnetite
oxide.
Transmission
electron
microscopic
images
showed
Fe3O4
with
shapes
and
average
particle
sizes
5.48
nm
for
Fe3O4-1:2,
6.02
Fe3O4-1.5:2,
6.98
Fe3O4-2:3
an
energy
bandgap
3.27
to
3.53
eV.
The
as-prepared
used
as
photocatalysts
degrade
brilliant
green
(BG),
rhodamine
B
(RhB),
indigo
carmine
(IC),
methyl
red
(MR)
under
visible
light
irradiation.
photocatalytic
degradation
efficiency
80.4%
was
obtained
from
Fe3O4-1:2
green,
61.5%
Fe3O4-1.5:2
B,
77.9%
73.9%
both
red.
This
indicates
that
is
more
efficient
in
than
one
dye.
study
shows
degrades
most
effectively
at
pH
9,
best
6.5,
efficiently
3.
Recyclability
experiments
can
be
recycled
four
times
are
photostable.
Materials Advances,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Illustration
of
nanoparticles
exerting
antibacterial
actin
by
disrupting
bacterial
membranes,
generating
ROS,
inducing
mitochondrial
dysfunction
and
causing
DNA
protein
damage,
ultimately
leading
to
cell
death.
Physica Scripta,
Год журнала:
2023,
Номер
98(6), С. 065701 - 065701
Опубликована: Апрель 27, 2023
Abstract
In
recent
days,
metallic
oxide
semiconductor
nanoparticles
have
drawn
attention
to
the
photocatalytic
degradation
of
organic
pollutants.
present
work,
undoped
and
different
metals
(Sn,
Co,
Cu,
Ni,
Li)-doped
α
-PbO
were
successfully
synthesized
by
a
facile
chemical
precipitations
method.
The
obtained
further
studied
using
characterization
techniques.
XRD
results
confirmed
that
prepared
tetragonal,
phase
crystal
structure
without
mixing
other
PbO
phases.
optical
band
gaps
from
UV–vis
DRS
analysis
2.03
eV,
2.68
1.61
1.78
1.67
2.00
eV
for
pristine
-PbO,
Sn,
Li
doped
respectively.
From
PL
emission,
lowest
intensity
samples
indicated
low
recombination
electron-hole
pairs
improved
performance
-PbO.
SEM
EDX
used
analyze
surface
morphology
composition
nanoparticles,
activities
assessed
through
Methylene
Blue
(MB)
dye
under
visible
light
irradiation.
UV–visible
spectrophotometer
showed
MB
concentration
decreased
as
irradiation
time
varied
20
100
min.
within
min,
Sn-doped
possessed
maximum
efficiency
compared
metal-doped
with
100%
94.76%
This
was
due
increased
harvesting,
which
aided
in
dye.
