ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(7), P. 7028 - 7042
Published: March 15, 2024
This
work
explored
the
versatility
of
nanocrystalline
Sm-doped
Cu–Ni
spinel
ferrites
in
different
applications,
with
a
special
emphasis
on
hyperthermia
and
photocatalytic
activities.
By
incorporating
Sm
dopants
at
varied
percentages
nanosized
ferrites,
magnetic,
electrical,
structural
properties
host
were
tailored
to
make
them
versatile
materials
applications
various
technological
fields.
Careful
examination
powder
X-ray
diffractograms
(XRDs)
ensured
presence
pure
cubic
crystal
structure
for
all
synthesized
ferrite
samples.
Obtained
high-resolution
transmission
electron
microscopy
images
also
validated
XRD
results
along
mean
size,
morphology,
regularity
both
shape
size
examined
thoroughly.
With
increasing
percentage,
average
nanoparticles
reduced,
which
is
verified
by
gradual
increase
bandgap
as
obtained
from
Tauc
plots.
Additionally,
it
found
that
hopping
electrons
under
an
applied
alternating
electric
field
was
main
process
charge
conduction
samples,
effects
grain
boundaries
dominated
over
grains
determining
dielectric
responses.
The
incorporation
Sm3+
ions
owning
less
magnetic
moment
compared
Fe3+
reduced
coercive
saturation
magnetization
gradually
noticed
M(H)
loops.
aroused
superparamagnetic
phenomenon
room
temperature
due
doping
favored
controlled
through
induction
heating.
Bare
doped
samples
showed
excellent
heating,
obeying
clinical
safety
limits.
In
addition,
photon-mediated
degradation
ciprofloxacin
(CIP)
antibiotic
conducted
using
as-prepared
15%
sample
sufficient
remove
95.8%
CIP
solution
60
min.
Moreover,
displayed
antioxidant
antidiabetic
properties.
Hence,
nanoferrites
are
especially
photocatalysis.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Nov. 5, 2024
In
this
paper,
the
effect
of
zero-valent
iron
(Fe0)
activated
persulfate
(PDS)
on
removal
enrofloxacin
(ENR)
was
investigated,
and
mechanism
were
analyzed
by
exploring
effects
Fe0
concentration,
PDS
pH,
influence
anion
aqueous
matrix
ENR
Fe0/PDS
system.
The
results
showed
that
when
[ENR]
=
20
µmol/L,
[Fe0]
0.15
g/L,
[PDS]
0.4
mmol/L,
rate
85.3%
at
90
min,
mainradicals
HO•,
SO4•−
O2•−.
At
same
time,
system
had
a
good
mineralization
(TOC
>
40%),
in
addition,
did
not
show
obvious
toxicity
to
soil
microorganisms
after
reaction,
furthermore
wide
pH
range
(4
≤
10).
There
is
basically
no
difference
ultrapure
water
river
water.
experiment
could
provide
reference
for
antibiotics
based
advanced
oxidation
techniques
SO4•−.
Applied Sciences,
Journal Year:
2023,
Volume and Issue:
13(22), P. 12195 - 12195
Published: Nov. 10, 2023
The
presented
work
studies
the
processes
of
synthesis
ZnO
microstructures
using
atmospheric-pressure
microwave
nitrogen
plasma
and
investigates
their
photocatalytic
activity
in
degradation
2,4-dinitrophenol
antibiotic
ciprofloxacin
when
irradiated
with
sunlight.
proposes
an
effective
method
for
formation
photosensitive
powders.
Due
to
features
treatment
open
atmosphere
zinc
metal
microparticles,
structures
are
formed
sizes
from
hundreds
nanometers
several
micrometers
various
micromorphologies.
lattice
parameters
characteristic
a
hexagonal
unit
=
3.258
Å
c
5.21
Å,
volume
47.95
Å3.
size
crystallites
is
48
nm.
was
performed
by
means
2.45-GHz
plasmatron
at
power
input
1
kW
flow
rate
1–10
L/min.
Zn
microparticles
were
injected
into
mass
20
g/min.
High
photoactivity
demonstrated
(rate
constants
0.036
min−1
0.051
min−1)
synthesized
during
photo-degradation
ciprofloxacin,
respectively,
exposed
solar
radiation.
Photo-active
can
find
application
mineralization
toxic
organic
compounds.
Structures
compounds,
also
scintillation
detectors,
phosphors.
