Materials,
Journal Year:
2024,
Volume and Issue:
17(1), P. 267 - 267
Published: Jan. 4, 2024
The
photocatalytic
decomposition
of
ethylene
was
performed
under
UV-LED
irradiation
in
the
presence
nanocrystalline
TiO2
(anatase,
15
nm)
supported
on
porous
nickel
foam.
process
conducted
a
high-temperature
chamber
with
regulated
temperature
from
ambient
to
125
°C,
flow
reacted
gas
(ethylene
synthetic
air,
50
ppm,
rate
20
mL/min),
simultaneous
FTIR
measurements
sample
surface.
Ethylene
decomposed
higher
efficiency
at
elevated
temperatures,
maximum
28%
100–125
°C.
foam
used
as
support
for
enhanced
However,
stability
not
maintained
following
reaction
run,
but
it
100
Photocatalytic
certain
radical
scavengers
indicated
that
obtained
due
improved
separation
charge
carriers
and
increased
formation
superoxide
anionic
radicals,
which
were
formed
interface
thermally
activated
TiO2.
Journal of environmental chemical engineering,
Journal Year:
2024,
Volume and Issue:
12(3), P. 112885 - 112885
Published: April 23, 2024
Visible
light-mediated
photodegradation
offers
a
sustainable
and
environmentally
friendly
solution
for
removing
emerging
contaminants
from
water
sources.
Herein,
we
report
on
the
synergy
effect
between
adsorption
visible-light-driven
photo-degradation
of
17β-estradiol
using
(Au)TiO2
nanotubes-graphene
composites.
The
graphene
structures
(graphene
oxide
-
GO
or
thermally
reduced
trGO)
provide
platform
strong
molecules
facilitate
charge
transfer
plasmonic
Au
nanoparticles
TiO2,
leading
to
an
improvement
overall
degradation
process.
To
better
understand
TiO2
separately,
three
different
concentrations
(1%,
2.5%,
5%)
were
prepared
characterized.
estrogenic
preferred
over
trGO,
suggesting
that
hydrogen
bonds
govern
interaction
17β-estradiol.
Consequently,
higher
photocatalytic
efficiency
GO-containing
composites
was
observed
when
molecules.
role
proved
crucial
capturing
retaining
more
contaminant
composite
surface,
thus
increasing
odds
surface
reactions
with
photogenerated
carriers.
A
total
removal
has
been
obtained
nanotubes-GO.
mechanism
behind
processes
discussed.
Brazilian Journal of Animal and Environmental Research,
Journal Year:
2024,
Volume and Issue:
7(1), P. 125 - 144
Published: Jan. 31, 2024
The
photocatalytic
degradation
of
textile
dyes
using
metallic
oxides
has
been
extensively
studied
due
to
the
remarkable
results.
This
promising
approach
offers
a
more
sustainable
alternative
for
treating
effluents
contaminated
with
and
other
chemicals,
intending
mitigate
environmental
impact
caused
by
industry.
In
this
context,
study
aimed
investigate
different
classes
synthetic
used
in
industry
through
heterogeneous
photocatalysis
process.
For
purpose,
TiO2
P25
dispersed
an
aqueous
dye
medium
exposed
isolated
source
artificial
UV
light
was
used.
significance
research
lies
understanding
photodegradation
phenomena
studying
catalysis
mechanisms
applied
dyes.
Furthermore,
importance
sustainability
is
highlighted,
emphasizing
need
new
solutions
reduce
waste
emissions.
contributes
significantly
photodegradation,
providing
detailed
information
on
reaction
processes
key
factors
influencing
efficiency
TiO2-catalyzed
degradation.
results
demonstrate
real
application
potential
support
strategies
effluents,
aiming
Discover Nano,
Journal Year:
2025,
Volume and Issue:
20(1)
Published: Feb. 11, 2025
Bimetallic
inorganic
nanoparticles
are
vital
due
to
their
high
biocompatibility,
stability
and
comparatively
less
toxicity.
Nanosized
bimetallic
oxide
materials
have
been
extensively
studied
worldwide
unique
properties
such
as
electrical,
magnetic
mechanical
properties.
Present
work
is
reporting
the
size-controlled
synthesis
of
strontium
aluminate
magnesium
cobaltate
(SrAl2O4
MgCoO2)
by
self-propagating
combustion
reaction
using
polymer
fuel.
Size
prepared
SrAl2O4
MgCoO2
samples
distributed
on
DLS
spectrum
was
76
nm
100
respectively.
The
structural
morphological
characterization
nano
were
carried
out
X-ray
diffraction
(XRD)
scanning
electron
microscope
(SEM)
analysis
It
shows
crystalline
compact
nature
samples.
FT-IR
instrumentation
used
study
bonding
both
Formation
metal
metal–metal
can
supports
sample
formation.
EDX
further
confirm
presence
Sr,
Al,
Mg
Co
metals
also
characteristics
absorption
peaks
signals
demonstrate
final
phases
UV–vis
spectroscopic
fluorescence
undertaken
know
emission
behaviour
In
continuation,
thermal
electrochemical
studies
analyzed.
Thermal
investigation
assesses
samples,
which
stability.
preliminary
results
CV
concluding
that,
electro
active
show
possible
applications.
insights
gained
from
this
contribute
growing
body
knowledge
in
nanomaterials
pave
way
for
innovations
electrical
thermal-related
technologies.
