Physica Scripta,
Journal Year:
2024,
Volume and Issue:
99(8), P. 085915 - 085915
Published: July 4, 2024
Abstract
In
this
work,
Niobium-doped
(1%,
3%,
and
5%)
titanium
dioxide
(Nb-TiO
2
)
nanosheets
were
successfully
formed
via
the
hydrothermal
route
further
characterized
using
TEM,
XRD,
XPS
UV–vis
absorption
spectroscopy
techniques.
Phase
purity
structural
information
of
prepared
materials
analysed
by
XRD
measurements.
The
band
gap
values
ranged
from
3.27
to
2.98
eV
as
Nb
doping
increased,
leading
improved
photocatalytic
activity
creating
new
energy
levels
close
conduction
band.
results
confirm
amalgamation
5+
ions
into
TiO
without
affecting
crystallinity,
structure
or
orientation
occurrence
oxygen
vacancies.
3%
Nb-doped
,
degradation
efficiency
for
removing
(Methylene
blue)
MB
dye
increased
∼96%
removal
within
70
min
in
comparison
pure
other
doped
catalysts
better
Nb-TiO
is
due
longer
time
between
electron–hole
pairs
before
they
recombine
one
pair.
Hydroxyl
radicals
(HO•)
superoxide
(O
•−
are
primary
reactive
entities
responsible
deterioration
dye.
Therefore,
incorporating
nanostructures
represents
an
auspicious
material
decomposition
hazardous
toxic
pollutants
aquatic
environments.
RSC Advances,
Journal Year:
2024,
Volume and Issue:
14(6), P. 4153 - 4164
Published: Jan. 1, 2024
Co–CeO
2
/SnO
was
synthesised
via
UV
photocatalysis,
and
supercapacitor
studies
were
conducted.
The
results
show
that
the
metal
oxide
semiconductors
perform
exceptionally
well.
Crystals,
Journal Year:
2024,
Volume and Issue:
14(6), P. 510 - 510
Published: May 27, 2024
Today,
there
is
the
roar
of
sustainable
material
development
around
globe.
Green
nanotechnology
one
extensions
sustainability.
Due
to
its
approach,
green
fabrication
nanoparticles
has
recently
surpassed
their
classical
synthesis
in
popularity.
Among
metal
nanoparticles,
contemporary
findings
have
demonstrated
that
bimetallic
possess
more
potential
for
different
applications
than
monometallic
due
synergistic
effects
two
metals.
So,
we
are
presenting
facile,
one-vessel,
and
one-step
phyto-fabrication
Ag–Fe
BMNPs
using
bud
extract
Syzygiumaromaticum.
The
synthesized
were
characterized
by
UV-VIS,
XRD,
EDX,
FTIR,
SEM.
NPs
underwent
biological
studies.
radical
scavenging
was
found
be
64%
73%,
insecticidal
80%
100%,
respectively.
Similarly,
both
exhibited
good
antibacterial
activity.
zone
inhibition
100
mg/mL
1
cm
against
all
bacterial
species,
i.e.,
K.
pneumonia,
E.
coli,
S.
aureus.
It
1.5
cm,
1.3
aureus,
respectively,
showing
activity
higher
NPs.
this
study
unlocks
eco-safe,
cost-effective,
least-harmful
methodology
with
SA
medical
agricultural
fields,
a
step
towards
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(17), P. 9575 - 9575
Published: Sept. 4, 2024
Amoxicillin
(AMX)
is
utilized
in
the
treatment
of
several
infectious
diseases,
and
its
concentration
wastewater
has
increased
quite
significantly
over
years,
posing
high
health
hazards
for
humans
other
living
organisms.
Investigations
are
progress
globally
to
eliminate
AMX
related
pollutants
using
methods
that
include
adsorption,
photolysis,
photocatalytic
degradation,
photoelectrocatalytic
electrochemical
conversion.
can
be
eliminated
efficiently
from
environment
photodegradation,
either
by
photolysis
or
a
process.
Several
types
semiconductor
NMs
have
been
used
drugs
present
wastewater.
This
review
spans
photodegradation
studies
conducted
during
years
2018–2024
degrade
aquatic
systems.
reported
different
water
streams.
These
categorized
into
TiO2-containing
non-TiO2-based
catalysts
better
comparison.
A
section
on
also
included,
showing
use
UV
alone
with
H2O2
PS
without
any
nanomaterial.
tabulated
summary
both
catalysts,
reaction
conditions,
degradation
efficiency
presented.
Researchers
variety
conditions
radiation
(UV,
solar,
visible),
pH
solution,
AMX,
number
nanomaterials,
presence
additives
activators
such
as
oxidant,
influence
salts
like
NaCl
CaCl2
efficiency.
TiO2
was
best
nanomaterial
found
achieved
highest
ultraviolet
irradiation.
doped
nanomaterials
showed
very
good
performance
under
visible
light.
WO3
investigators
effective
degradation.
Other
metal
oxides
elimination
were
derived
molybdenum,
zinc,
manganese,
copper,
cerium,
silver,
etc.
Some
researchers
and/or
irradiation
sunlight,
solid
oxidants
H2O2.
summarized
description
earlier
published
reviews
Catalysts,
Journal Year:
2025,
Volume and Issue:
15(1), P. 34 - 34
Published: Jan. 3, 2025
In
this
study,
an
electrochemical
approach
was
utilized
to
degrade
the
anionic
Chlorazol
Yellow
(CY)
dye
in
aqueous
solution
using
a
lead
oxide-modified
stainless
steel
electrode
(denoted
as
PbO2-SS).
The
fabrication
of
involved
scanning
clean
SS)
plate
within
range
−1.0
V
+1.0
against
Ag/AgCl
(saturated
KCl)
for
three
cycles
at
scan
rate
0.1
s−1
M
Pb(NO3)2
solution.
Analysis
via
X-ray
photoelectron
spectroscopy
(XPS)
confirmed
successful
fabrication,
with
Pb4+
being
predominant
species
observed
XPS
spectra.
Additionally,
electron
microscopy
(SEM)
imaging
fabricated
revealed
deposition
PbO2
flower-like,
nanostructured
form
on
SS
surface.
To
provide
cost-effective
method
treatment,
PbO2-SS
anode
oxidize
chloride
ions
(Cl−)
into
hypochlorite
(ClO−),
which
subsequently
oxidized
CY
molecules.
Optimization
parameters
such
voltage,
supporting
electrolytes,
and
pH
conducted
determine
most
effective
degradation
conditions.
achieved
efficiency
approximately
97%
over
wide
20
min,
indicating
its
applicability
across
various
Consequently,
technique
presents
promising
treatment
industrial
wastewater.
Crystals,
Journal Year:
2025,
Volume and Issue:
15(2), P. 167 - 167
Published: Feb. 9, 2025
This
experiment
investigated
the
degradation
of
amoxicillin
in
water
using
hydrogen
peroxide
(H2O2)
and
UV
Irradiation.
The
parameters
analyzed
included
initial
concentration
amoxicillin,
pH
solution,
quantity
H2O2
used.
These
factors
were
examined
to
assess
effectiveness
photodegradation
process.
No
was
observed
dark
during
stirring
for
20
min.
investigation
demonstrated
successful
as
an
oxidant
presence
irradiated
solution
significantly
influenced
with
minimal
at
acidic
a
gradual
increase
shifted
towards
more
basic
conditions.
Degradation
pronounced
higher
concentrations
H2O2,
while
it
decreased
reacting
increased.
Complete
achieved
3
mL
H2O2.
experimental
data
well-fitted
zero-order
reaction
kinetics.
findings
this
show
significant
improvements
compared
previously
reported
results
field
photocatalysis
nanomaterials
photolysis
techniques
involving
novelty
our
research
is
different
used
UV/H2O2
process,
which
distinguishes
from
other
previous
investigations.
system
proved
highly
effective
making
viable
option
degrading
organic
pollutants
commonly
found
industrial
wastewater.