Catalysts,
Год журнала:
2024,
Номер
14(11), С. 820 - 820
Опубликована: Ноя. 13, 2024
In
recent
years,
the
contamination
of
aquatic
environments
by
organic
chemicals,
including
dyes
such
as
methylene
blue
(MB),
Congo
red,
and
crystal
violet,
has
become
an
increasing
concern,
their
treatment.
this
work,
titanium
dioxide
nanoparticles
(TiO2
NPs)
were
studied
for
photocatalytic
performance
measuring
degradation
MB
under
UV
light.
TiO2
NPs
synthesized
using
two
synthetic
processes
optimized
in
study:
a
green
method,
namely
leveraging
natural
properties
Aloe
vera
leaf
extract;
conventional
approach.
The
resulting
thoroughly
characterized
X-rays
Diffraction
(XRD),
Transmission
Electron
Microscopy
(TEM),
Scanning
(SEM),
Brunauer–Emmett–Teller
(BET),
UV–Vis
ζ-potential
analysis.
method
demonstrated
efficiency
(50
±
3)%
after
180
min,
which
was
significantly
higher
than
(16
achieved
through
route.
Moreover,
reaction
rate
constant
green-synthesized
found
to
be
approximately
five
times
greater
that
conventionally
NPs.
These
results
open
up
new
scenario
pollution
removal
strategy
research,
resources
accessible
nature
synthesize
with
high
activity,
could
also
useful
other
applications,
hydrogen
production.
Green Chemistry Letters and Reviews,
Год журнала:
2024,
Номер
17(1)
Опубликована: Май 16, 2024
Textile
industry
waste
such
as
methylene
blue
can
pose
a
serious
threat
to
health
and
ecosystems.
One
solution
overcome
this
problem
is
utilize
photocatalytic
technology
using
TiO2
semiconductors.
This
research
aims
make
green
synthetic
nanoparticles
(NPs)
red
spinach
(Amaranthus
Tricolor
L.)
leaf
extract
used
for
photodegradation
of
blue.
Extraction
leaves
showed
that
30
min
temperature
95°C
the
highest
phenolic
content.
In
research,
several
compounds
were
also
identified
in
extract.
For
NPs,
X-ray
diffraction
results
show
has
pure
anatase
phase.
Electron
microscope
shape
agglomerated
spherical
clusters.
The
particle
size
distribution
shows
an
average
range
77–90
nm.
had
efficiency
90.36%
180
min,
higher
than
commercial
Evonic.
result
be
attributed
small
broadband
spectra
so
photocatalysis
more
effective.
