Photocatalytic Oxidation of Pesticides with TiO2-CeO2 Thin Films Using Sunlight
Catalysts,
Год журнала:
2025,
Номер
15(1), С. 46 - 46
Опубликована: Янв. 6, 2025
TiO2
thin
film
coatings
significantly
improve
catalyst
separation
in
photocatalytic
processes.
They
can
be
applied
heterogeneous
photocatalysis
under
sunlight
by
mixing
with
other
oxides,
such
as
CeO2,
for
the
removal
of
pollutants
water.
Here,
TiO2-CeO2
films
deposited
on
borosilicate
slides
were
analyzed
and
solar
oxidation
pesticides.
The
synthesized
sol-gel
method
spin
coating.
waste
solutions
from
synthesis
used
to
prepare
powders.
These
XRD
XPS
explain
behavior
films.
characterized
UV-Vis
spectroscopy
transmittance,
RDS,
profilometry,
AFM
SEM.
addition
CeO2
caused
a
decrease
average
crystal
size
an
increase
strain
index.
second
layer
made
thinner.
created
surface
electronic
defects
titania
films,
which
enhanced
their
properties
mineralization
diuron
methyl
parathion.
TiO2-CeO2-5.0%
single-layer
samples
most
active
this
study
will
undoubtedly
larger-scale
reaction
systems.
Язык: Английский
Reductive sulfur mediated Fe2+ fixation and regeneration in valorizing waste activated sludge ash to Fe2+@S-doped sodalite material for emerging contaminants degradation: Performance and mechanism
Yuting Zhou,
Hao Wu,
Jannat Javed
и другие.
Chemical Engineering Science,
Год журнала:
2025,
Номер
unknown, С. 121438 - 121438
Опубликована: Фев. 1, 2025
Язык: Английский
Sunlight-Induced Photocatalytic Removal of Paracetamol Using Au-TiO2 Nanoparticles
Nanomaterials,
Год журнала:
2025,
Номер
15(5), С. 358 - 358
Опубликована: Фев. 26, 2025
Using
sunlight
as
the
driving
force
for
photocatalytic
processes
holds
great
promise
sustainability.
As
a
starting
point
developing
material
capable
of
degrading
aquatic
pollutants
using
solar
energy
stimulus,
this
work
focuses
on
synthesizing
Au-TiO2
nanocomposites
deposition-precipitation
method.
Characterization
nanoparticles
was
performed
by
X-ray
diffraction
(XRD),
Fourier
transform
infrared
spectroscopy
(FTIR),
and
Transmission
Electron
Microscopy
(TEM).
A
model
pollutant,
paracetamol,
used
to
test
synergetic
effect
Au
(0.05
wt%)
(NPs)
with
TiO2
activity.
The
influence
parameters
pH,
loading
(0.4,
0.8,
1
g/L),
pollutant
concentration
(20,
30,
40
ppm),
contact
time
(30,
60,
90,
120,
150,
180
min)
studied
exposing
NPs
radiation.
degradation
most
effective
at
3
h,
an
initial
20
ppm,
pH
6.8.
Under
these
conditions,
paracetamol
in
g/L
can
be
degraded
more
than
99.17%
under
irradiation.
result
composite's
ability
successfully
serve
photocatalyst
sun
radiation,
water
purification
widespread,
cost-effective,
environmentally
friendly.
Язык: Английский
The Elimination of N-Chloropiperidine in Aqueous Solution by Using Ni/NiO-C3N4 Under Visible Light Illumination
Catalysts,
Год журнала:
2025,
Номер
15(3), С. 233 - 233
Опубликована: Фев. 28, 2025
One
of
the
main
challenges
in
environmental
remediation
is
creation
stable
and
effective
photocatalysts
to
eliminate
organic
contaminants
when
exposed
visible
light.
For
degradation
N-chloropiperidine,
a
persistent
pollutant
with
multiple
dangerous
issues,
we
provide
synthesis,
characterization,
photocatalytic
evaluation
Ni/NiO-incorporating
carbon
nitride
(Ni/NiO-C3N4)
composite
this
work.
The
Ni/NiO-C3N4
photocatalyst
was
created
by
single
step
thermally
polymerizing
nickel
nitrate
melamine.
Four
samples
are
ranged
Ni
concentration
from
0%
10%.
coexistence
NiO
phases
confirmed
structural
morphological
analyses
using
X-ray
diffraction
(XRD),
scanning
electron
microscopy
(SEM),
transmission
(TEM),
Fourier-transform
infrared
spectroscopy
(FTIR).
UV−Vis
diffuse
reflectance
(DRS)
also
demonstrated
an
enhanced
capacity
absorb
A
study
performance
under
light
illumination
showed
that
degraded
N-chloropiperidine
at
much
faster
rate
than
either
pure
(0.0231
min−1),
first-order
constant
0.0456
min−1.
reaction
nearly
quadrupled
10%
added
C3N4
matrix.
Furthermore,
composite’s
activity
performed
better
its
counterparts
Ni-C3N4
(0.0315
min−1)
NiO-C3N4
(0.0386
min−1).
synergistic
interaction
between
NiO,
which
promotes
charge
separation
lowers
electron–hole
recombination,
responsible
for
higher
Ni/NiO-C3N4,
increasing
production
reactive
oxygen
species.
reusability
experiments
conducted
over
four
successive
cycles
slight
decrease
activity,
indicating
prepared
reusable.
Язык: Английский
Effect of 3D branched crystalline carbon nitride on nucleic acid amplification techniques in food samples
Yaofang Fan,
Yuxin Xue,
Haoran Wang
и другие.
Food Control,
Год журнала:
2025,
Номер
unknown, С. 111299 - 111299
Опубликована: Март 1, 2025
Язык: Английский
Fe2O3@D201 Enhanced Efficiency of Food Waste Degradation by Microbial Inoculum Under Aerobic Condition
Current Microbiology,
Год журнала:
2025,
Номер
82(5)
Опубликована: Апрель 2, 2025
Язык: Английский
Recent Advances in the Design and Biocidal Mechanisms of Room-temperature Catalytic Nanomaterials for Efficient Inactivation of Bioaerosols
Surfaces and Interfaces,
Год журнала:
2025,
Номер
unknown, С. 106449 - 106449
Опубликована: Апрель 1, 2025
Язык: Английский
Sustainable Semicrystalline/Nanocrystalline UiO-66-Type Zr-MOFs as Photodegraders of Rhodamine B
Inorganics,
Год журнала:
2025,
Номер
13(5), С. 131 - 131
Опубликована: Апрель 24, 2025
UiO-type
Zr-BDC
MOFs
have
garnered
the
interest
of
scientific
community
due
to
their
exceptional
diversity
in
composition,
structure,
and
chemical
environment,
as
well
high
thermal
stabilities.
This
work
demonstrates
sustainable
synthesis
a
series
nanocrystalline/semicrystalline
UiO-66(Zr)
metal–organic
frameworks
(MOFs)
under
facile
conditions—specifically
at
room
temperature,
water,
with
yield,
without
use
modulators
or
toxic
byproducts.
The
involves
either
deprotonating
linker
utilizing
various
ratios
water
DMF
solvents.
as-prepared
materials
obtained
from
both
strategies
share
key
structural
features
conventional
short-
medium-range
physicochemical
properties,
while
exhibiting
significant
differences
crystallinity
textural
properties.
Nonetheless,
generally
lack
long-range
order
(semicrystalline),
particular
these
synthesized
following
deprotonation
strategy.
However,
prepared
using
mixed
solvent
strategy
seem
exhibit
characteristics
nanocrystalline
UiO-66(Zr).
Overall,
approaches
successfully
addressed
challenges
related
highly
sought-after
Zr-based
(MOFs).
Some
MOF
were
tested
for
photodegradation
rhodamine
B
(RhB)
mercury
light
irradiation,
evidencing
photocatalytic
efficiency
up
75
±
0.078%
within
120
min
pseudo-first-order
model.
suggests
an
interaction
between
photocatalyst
RhB
dye,
involving
electron
injection
ability
ligand-to-metal
charge
transfer
(LMCT),
which
enhances
efficient
degradation
RhB.
trapping
experiments
indicated
that
superoxide
radicals
(•O2−)
photogenerated
holes
(h+)
are
crucial
Moreover,
showed
good
recyclability
across
five
cycles.
A
plausible
reaction
mechanism
has
been
proposed
explain
findings.
Язык: Английский
Defect density of zirconium determines its binding sites and force to antibiotic resistance genes
Chemical Engineering Journal,
Год журнала:
2025,
Номер
unknown, С. 163042 - 163042
Опубликована: Апрель 1, 2025
Язык: Английский
Surface Modification of Polydopamine Particles with Polyethyleneimine Brushes for Enhanced Stability and Reduced Fragmentation
Polymers,
Год журнала:
2025,
Номер
17(9), С. 1209 - 1209
Опубликована: Апрель 28, 2025
Polydopamine
(Pdop)
particles
possess
unique
properties
but
suffer
from
inherent
instability
in
aqueous
environments
due
to
the
gradual
release
of
Pdop
fragments.
This
study
demonstrated
successful
enhancement
stability
and
reduction
fragmentation
through
surface
engineering
strategies.
Specifically,
we
investigated
effects
polyelectrolyte
multilayer
(PEM)
coating
(PE)
brush
grafting.
Our
results
showed
that
PE
grafting,
particularly
with
long-chain
polyethyleneimine
(PEI),
was
more
effective
suppressing
fragment
compared
PEM
coating.
The
L-PEI
grafted
(2.28
chains/nm2)
exhibited
remarkable
across
a
wide
pH
range
(3–9),
inhibition
rates
exceeding
90%
most
cases,
reaching
93%
at
5.
Furthermore,
direct
correlation
between
PEI
grafting
density
(0.64
2.28
rate
observed,
higher
densities
yielding
greater
stability.
These
findings
offer
promising
approach
for
stabilizing
diverse
applications.
Язык: Английский