International Journal of Science and Research (IJSR),
Год журнала:
2024,
Номер
13(1), С. 453 - 456
Опубликована: Янв. 5, 2024
Nanotechnology
is
one
of
the
most
important
these
technologies,
whose
applications
are
associated
with
lower
energy
consumption,
and
better
properties.
The
best
way
to
clean
contaminated
sites
use
a
photocatalyst
that
suitable
for
large
number
pollutants.In
this
study,
TiO
2
-Ag-TEOS-La
nanocomposite
was
synthesized
as
degradation
product
by
sol-gel
method.
samples
were
calcined
then
XRD,
FTIR,
FESEM,
analyzes
used
characterize
powders.
In
addition,
UV-Vis
study
absorption
composite.
photocatalytic
test
nanocomposites
investigated
on
methylene
blue
dye.
results
experiments
show
us
has
performance
in
role
environment
amount
concentration
finally
88%
destruction.
Crystals,
Год журнала:
2024,
Номер
14(9), С. 793 - 793
Опубликована: Сен. 7, 2024
Kaolin-based
graphitic
carbon
nitride
(g-CNx)
composite
photocatalysts
were
synthesized
from
a
urea
precursor
using
commercial
kaolin.
Structural
characterization
by
X-ray
diffraction
and
infrared
spectroscopy
(FTIR)
verified
the
successful
thermal
polycondensation
of
g-CNx
along
dehydroxylation
kaolinite
to
metakaolin
at
550
°C.
The
content
composites
estimated
thermogravimetry
CHN
analysis,
ranging
ca.
87
m/m%
2
dry
mass.
addition
kaolin
during
synthesis
was
found
have
significant
effect:
yield
in
situ
formed
drastically
decreased
(from
4.9
3.8–0.1
m/m%)
with
increasing
content.
FTIR
indicated
presence
nitrogen-rich
g-CNx,
having
specific
surface
area
50
m2/g,
which
synergistically
increased
after
67–82
m2/g.
Estimated
optical
band
gaps
affinity
absorb
visible
light
spectrum
(λ
<
413
nm).
Photocatalytic
activity
upon
both
UV
artificial
sunlight
irradiation
observed
hydroxyl
radical
evolution,
however,
without
synergistic
effect
expected
favorable
porosity.
