Applied Organometallic Chemistry,
Год журнала:
2024,
Номер
38(12)
Опубликована: Авг. 24, 2024
ABSTRACT
The
Bi
x
O
y
I
z
and
CoFe
2
4
combination
enhances
photocatalytic
degradation
of
tetracyclines
(TCs).
Three
TC
antibiotics
including
TC,
oxytetracycline
(OTC),
chlortetracycline
(CTC)
with
high
concentration
(50
mg
L
−1
)
were
utilized
as
target
pollutant.
5
7
I/Bi
,
its
Z‐scheme,
improves
removal
efficiency
to
1.6
times
that
1.4
.
Ternary
/CoFe
(I/I/Co)
composites
further
increase
efficiency,
I/I/Co‐2
achieving
I/I‐2.
improved
performance
is
due
an
optimized
microstructure,
which
promotes
light
absorption
carrier
transfer.
nanoparticles
on
nanosheets
create
a
double‐Z
band
structure,
enhancing
redox
activity.
Radical
trapping
experiments
indicated
the
major
active
species
(•O
−
OH
h
+
in
process
I/I/Co‐2.
Based
their
enhanced
efficiencies
for
high‐concentration
TCs,
proper
magnetic
separation
capacity,
recycling
performance,
practical
applications
I/I/Co
treat
real
wastewater
might
be
implemented.
The
Sb2WO6
photocatalyst
is
synthesized
by
introducing
oxygen
vacancies
through
acetylene
annealing.
number
of
can
be
adjusted
varying
the
annealing
duration.
Oxygen
vacancy
defects
in
change
surface
chemical
properties,
enhance
separation
carriers,
broaden
absorption
visible
light,
and
activate
catalytic
sites,
resulting
overall
enhancement
photocatalytic
properties.
significance
pertinent
mechanisms
oxidation
are
described.
Our
results
reveal
a
promising
method
to
improve
properties
Sb2WO6-based
materials
for
applications
such
as
treatment
wastewater.
