Matériaux & Techniques,
Journal Year:
2023,
Volume and Issue:
111(5-6), P. 505 - 505
Published: Jan. 1, 2023
In
this
work,
vanadate-fluorapatite,
V
2
O
5
/Ca
10
(PO
4
)
6
F
,
nanocrystals
were
successfully
synthesized
through
a
straightforward
one-step
co-precipitation
method.
This
method
was
based
on
two
toxic
solid
wastes,
which
are
mainly
generated
as
by-products
during
sulfuric
acid
manufacturing
and
in
the
phosphate
industry.
The
wastes
phosphogypsum
source
of
calcium
vanadium
pentoxide
vanadate.
comparison
to
numerous
conventional
methods
for
FAP
synthesis,
innovative
is
not
laborious,
complex,
cost-effective,
environmentally
friendly,
thanks
recovery
wastes.
Furthermore,
it
consists
mixing
various
contents
anhydrous
gypsum
with
phosphoric
acid,
pentoxide,
ammonium
fluoride
at
one
time
room
temperature
no
further
adjustment
pH.
Several
physicochemical
characterization
techniques
used,
including
X-ray
Diffraction
(XRD),
Fourier
Transform
Infrared
Spectroscopy
(FT-IR),
Ultraviolet-Visible
(UV-vis).
Whereas
SEM
analysis
crystals
obtained
showed
nanometer-scale
fluorapatite
crystallites
obtained.
results
offer
exciting
potential
applying
prepared
nanomaterial
both
photocatalysis
pollution
removal.
They
hold
great
promise
expected
generate
significant
interest
these
fields.
Journal of Saudi Chemical Society,
Journal Year:
2024,
Volume and Issue:
28(3), P. 101869 - 101869
Published: May 1, 2024
Photocatalytic
responses
and
synergistic
effects
of
V2O5,
TiO2,
V2O5/TiO2
heterostructures
with
varied
ratios
have
been
investigated,
revealing
promising
outcomes.
The
successful
synthesis
nanostructures
was
verified
through
energy-dispersive
X-ray
spectroscopy,
diffraction,
Fourier
transform
infrared
spectroscopy
analyses.
Notably,
ultraviolet–visible
photoluminescence
spectral
studies
confirmed
that
the
optical
band
gap
increases
higher
TiO2
concentrations.
These
findings
enhance
our
understanding
agglomerated
V2O5/TiO2,
particularly
1:1
1:3,
showcasing
potential
applications
in
photocatalysis.
Furthermore,
their
performance
subjected
to
Malachite
Green
dye
degradation
using
a
solar
simulator,
achieving
an
impressive
efficiency
93.29%.
Additionally,
photocatalytic
efficacy
assessed
reusability
experiments
over
three
cycles.
Remarkably,
exhibited
stability
across
these
cycles,
suggesting
for
extended
use
diverse
purposes.
importance
results
is
applicability
fabricated
as
photocatalyst
high
performance,
especially
realm
sustainable
efficient
processes.
