A
novel
S-scheme
BiOCl/ZnCrZr-LBMO
heterojunction
was
constructed
and
characterized
by
XRD,
SEM,
TEM,
EDS
image,
XPS,
FTIR,
UV-Vis-DRS,
transient
photocurrent
response,
electrochemical
impedance
spectroscopy.
The
photocatalytic
activity
of
composites
investigated
bisphenol
(BPA)
degradation.
results
showed
that
the
degradation
rate
BPA
(15
μg/mL,
40
mL
sample
solution)
photo-catalyzed
composite
(reached
90.1%
after
60
min)
superior
to
those
BiOCl
22.8%
ZnCrZr-LBMO
53.5%
min).
constants
k
photocatalyzed
8.1,
2.8
times
according
pseudo-first-order
kinetic
model.
Furthermore,
possible
mechanism
pathways
were
proposed
analyzing
experiments
trapping
active
species
electron
spin-resonance
spectroscopy
in
process.
Energy & environment materials,
Год журнала:
2024,
Номер
7(5)
Опубликована: Янв. 22, 2024
Heterogeneous
catalysts
promoting
efficient
production
of
reactive
species
and
dynamically
stabilized
electron
transfer
mechanisms
for
peroxomonosulfates
(PMS)
still
lack
systematic
investigation.
Herein,
a
more
stable
magnetic
layered
double
oxides
(CFLDO/N‐C),
was
designed
using
self‐polymerization
high
temperature
carbonization
dopamine.
The
CFLDO/N‐C/PMS
system
effectively
activated
PMS
to
remove
99%
(
k
=
0.737
min
−1
)
tetracycline
(TC)
within
10
min.
exhibited
favorable
resistance
inorganic
anions
natural
organics,
as
well
satisfactory
suitability
multiple
pollutants.
properties
the
catalyst
facilitated
separation
from
liquid
phase,
resulting
in
excellent
reproducibility
reducing
leaching
metal
ions.
An
electronic
bridge
constructed
between
cobalt
(the
active
platform
catalyst)
PMS,
inducing
break
O–O
bond
generate
species.
combination
static
analysis
dynamic
evolution
confirmed
effective
adsorption
on
surface
strong
radical‐assisted
process.
Eventually,
we
further
identified
sites
where
attacked
TC
evaluated
toxicity
intermediates.
These
findings
offer
innovative
insights
into
rapid
degradation
pollutants
achieved
by
transition
metals
SR‐AOPs
its
mechanistic
elaboration.
