Journal of Water Process Engineering,
Journal Year:
2024,
Volume and Issue:
65, P. 105882 - 105882
Published: Aug. 1, 2024
In
this
study,
magnetically
recyclable
NiFe2O4/CoMoS4
heterojunction
was
synthesized
by
the
one-pot
hydrothermal
method
before
being
characterized
using
XRD,
FTIR,
Raman,
TGA,
SEM,
TEM,
BET,
EIS,
UV–vis
DRS,
and
XPS,
respectively.
Its
bandgap
of
2.01
eV
aided
in
absorption
more
visible
light
for
production
reactive
radicals.
The
photocatalyst
realized
99.0
%
after
60
min
when
used
photo-Fenton
degradation
methyl
orange
(MO)
dye.
enhanced
associated
with
efficient
charge
separation
as
indicated
Nyquist
plots
electrochemical
impedance
spectroscopy
(EIS),
improved
BET
surface
area,
high
synergy
effect
from
Fenton
photocatalytic
processes.
composite
material
has
a
low
crystallite
size
(4.3
nm)
emanating
broad
diffraction
peak
compared
to
pure
NiFe2O4
(25
nm).
A
50
TOC
removal
recorded
MO
reaction.
Scavenger
tests
showed
that
HO•
•O2−
were
main
radicals
responsible
degradation.
revealed
minimal
electrical
energy
(13.744
kWh/m3)
consumption
performance
loss
five
consecutive
cycles.
Hence,
it
is
inferred
these
nanomaterials
are
highly
suitable
textile
wastewater.
Water Research X,
Journal Year:
2025,
Volume and Issue:
28, P. 100315 - 100315
Published: Feb. 8, 2025
The
structural
modulation
of
pristine
graphitic
carbon
nitride
poses
a
considerable
challenge
in
the
rational
design
catalysts
for
efficient
degradation
small
organic
pollutants
under
visible
light.
In
this
study,
we
combined
first-principles
calculations
and
structure-function
relationship
to
predict
high-performance
catalyst.
results
reveal
that
CN-8
demonstrates
remarkable
degree
electron-hole
separation.
Notably,
shows
exceptional
efficiency
towards
rhodamine
B,
tetracycline,
bisphenol
A,
fluralaner
light
irradiation.
Specifically,
rate
constants
are
11,
4,
12,
32
times
higher,
respectively,
compared
bulk
g-C3N4.
Through
density
functional
theory
investigations
relationship,
it
is
confirmed
superior
catalytic
activity
lies
modifying
amino
position,
which
alters
electron
cloud
distribution
promotes
separation
photo-generated
pairs.
This
study
provides
valuable
insights
development
eco-friendly
photocatalysts
environmental
remediation.
Advanced Sustainable Systems,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 26, 2025
Abstract
Fabrication
of
a
photocatalyst
with
the
desired
characteristics
high
charge
isolation
and
expeditious
photocatalytic
performance
is
crucial
in
photocatalysis.
Constructing
an
interfacial
chemically
bonded
S‐scheme
heterojunction
effective
path
to
realization
transfer
performance.
Herein,
Mg‐Bi
2
O
3
/dark
gray
g‐C
N
4
(MBOdCN)
Bi‐N
bond
bridges
successfully
constructed
using
situ
calcination
strategy
for
oxytetracycline
(OTC)
degradation.
The
MBOdCN
(1:5)
displays
outstanding
efficiency
rate
constant
99.56%
0.0235
min
−1
,
respectively.
synergy
n‐π*
transition,
Mg
defects,
Bi–N
enhances
heterojunction.
X‐ray
photoelectron
spectroscopy
(XPS)
analysis,
work
function
measurements,
density
functional
theory
(DFT)
reveal
formation
In
this
system,
trapping
experiments
electron‐spin
resonance
(ESR)
confirm
predominance
•
−
>
h
+
OH
during
OTC
degradation
pathways
byproducts
are
investigated
LC‐MS
toxicity
study
undertaken
on
materials.
This
provides
holistic
understanding
novel
by
introducing
chemical
defects
as
dual
channels.
