Novel ACr2O4 (A = Mg, Cu, Ni)/MIL-101(Cr) photocatalysts: Synthesis, characterization, performance prediction and applications for the photo–degradation of tetracycline hydrochloride
Journal of Photochemistry and Photobiology A Chemistry,
Год журнала:
2024,
Номер
unknown, С. 116173 - 116173
Опубликована: Ноя. 1, 2024
Язык: Английский
Immobilization of Nickel Oxide Nanoparticles on Cotton Fiber Under Gamma Radiation and Its Catalytic Activity
Microscopy Research and Technique,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 11, 2025
ABSTRACT
Nickel
ions
were
reduced
on
the
surface
of
cotton
fibers
under
effect
gamma
radiation.
The
NiO
nanoparticles
grew
as
semispherical
aggregates
along
with
average
crystallite
size
32
nm
calculated
from
x‐ray
diffraction
results.
FTIR
data
showed
presence
a
new
IR
peak
at
613
cm
−1
(assigned
to
NiO
stretching
vibration)
confirming
successful
loading
into
matrix.
adhered
through
complexation
hydroxyl
and
carbonyl
groups.
NiO@cotton
nanocomposite
high
performance
in
catalytic
degradation
both
4‐nitrophenol
bromophenol
blue.
rate
constant
was
8.24
×
10
−3
s
pH
=
10.
resultant
heterogeneous
catalyst
is
green,
cheap,
separable/recyclable,
has
considerable
activity.
Язык: Английский
Deep Insights into the Integration of Artificial Neural Networks (ANNs) for Predicting the Photocatalytic Activities of Metal-Based Catalysts in Water Pollutant Reduction
Journal of environmental chemical engineering,
Год журнала:
2025,
Номер
unknown, С. 116350 - 116350
Опубликована: Март 1, 2025
Язык: Английский
Iron Promoted TiO2-Activated Carbon Nanocomposites for Photocatalytic Degradation of Congo Red in Water
Catalysts,
Год журнала:
2024,
Номер
14(12), С. 844 - 844
Опубликована: Ноя. 22, 2024
Nanocomposites
containingTiO2
and
activated
carbon
were
obtained
by
the
sol-gel
method
in
presence
of
Brij
58
surfactant.
The
sample
with
a
higher
surface
area
(185.6
m2/g)
was
promoted
Fe
impregnating
it
aqueous
solution
Fe(NO3)3.
iron
loadings,
measured
using
X-ray
fluorescence,
0.83%,
3.30%
7.17%.
TiO2
anatase
identified
all
samples
diffraction
Raman
spectroscopy,
but
oxides
could
not
be
detected.
However,
infrared
spectroscopy
indicated
existence
Fe-O
Fe-O-Ti
bonds.
photoelectron
revealed
Fe2+
for
lower
content
mixture
Fe3+
7.17%
Fe.
UV-Vis
photoluminescence
showed
alongside
TiO2.
This
combination
led
to
new
properties
due
generation
intermediate
energy
levels
defects,
contributing
an
enhancement
photocatalytic
performance.
highest
photodegradation
efficiency
Congo
red
(84.46%)
under
visible
light
irradiation
acidic
conditions.
synergistic
contribution
dye
adsorption
demonstrated,
taking
into
account
ZPC
values
nanocomposites.
Kinetic
studies
completed
reaction
mechanisms
based
on
results
scavengers.
Язык: Английский