How
to
accelerate
the
electron
transfer
promote
circulating
efficiency
of
Fe[Formula:
see
text]/Fe[Formula:
text]
is
a
key
problem
be
solved,
so
that
magnetic
particles
can
activate
peroxymonosulfate
well
efficiently
degrade
acetaminophen
(ACE).
Herein,
Fe
3
O
4
@Co
S
catalyst
was
prepared
by
modifying
Co
nanosheets
on
surface
particles.
The
Co[Formula:
in
modified
layer
accelerates
rate
between
and
text],
thus
promoting
text].
/PMS
system
over
95%
ACE
within
5[Formula:
text]min.
Quenching
experiment
ESR
tests
prove
non-radical
1
2
[Formula:
played
predominant
roles
advanced
oxidation
process.
And
after
six
cycles,
degradation
could
still
higher
than
50%.
Journal of Materiomics,
Год журнала:
2024,
Номер
unknown, С. 100928 - 100928
Опубликована: Авг. 1, 2024
Developing
high-performance
visible-light
driven
photocatalyst
(λ≥420
nm)
makes
significance
for
the
efficient
utilization
of
solar
energy.
Mass
production
and
easy
recycling
are
equally
important
practical
application
powdery
photocatalyst.
However,
it
is
challenging
to
meet
above
requirements
at
same
time.
In
this
work,
we
develop
an
responsive
layered
oxyiodide
CdBiO2I
nanosheets
prepared
by
a
facile
direct
precipitation
method
ambient
atmosphere,
demonstrate
its
upgradable
features
well
fitting
potential
application.
has
crystal
structure
consisting
[CdBiO2]+
layer
I–
single
layer,
differing
from
that
BiOI
composed
[BiO2]2+
I-
double
layers.
It
displays
absorption
edge
520
nm
in
visible
region,
with
band
gap
2.52
eV.
large
intrinsic
effective
mass
difference
hole/electron,
exceeding
8-fold,
which
results
much
higher
charge
separation
efficiency
more
reactive
species
(superoxide
radicals
holes).
The
degradation
tetracycline
hydrochloride
reaches
84%
under
light
irradiation
within
1
h,
rate
10
times
BiOI.
addition,
(12
g
catalyst
one
time)
immobilization
onto
porous
polyurethane
foam
powder
also
demonstrated,
indicates
scalable
properties
recovery
catalyst,
highlighting
advantages
current
preparation
prefiguring
applications.
This
work
may
enlighten
future
research
on
exploitation
solar-driven
high
strong
applicability.
