Materials,
Journal Year:
2022,
Volume and Issue:
15(13), P. 4629 - 4629
Published: July 1, 2022
In
this
review,
the
most
recent
advances
in
field
of
magnetic
composite
photocatalysts
with
integrated
plasmonic
silver
(Ag)
is
presented,
an
overview
their
synthesis
techniques,
properties
and
photocatalytic
pollutant
removal
applications.
Magnetic
attributes
combined
these
composites
result
enhancements
for
light
absorption,
charge-pair
generation-separation-transfer
efficiency
additional
advantage
facile
separation
from
water
solutions
after
treatment,
neutralizing
issue
silver’s
inherent
toxicity.
A
detailed
currently
utilized
methods
techniques
preparation
silver-integrated
presented.
Furthermore,
extended
critical
review
applications
via
green
photocatalysis
technology
From
survey,
potential
metals
highlighted
light-induced
treatment
purification.
Highlights:
(1)
Perspective
plasmon
metal
attributes;
(2)
Overview
synthesis;
(3)
Critical
view
removal.
Environmental Science & Technology,
Journal Year:
2023,
Volume and Issue:
57(22), P. 8414 - 8425
Published: May 25, 2023
Pharmaceuticals
and
personal
care
products
(PPCPs)
are
ubiquitous
in
sewage,
adversely
affecting
ecosystems
human
health.
In
this
study,
an
S-scheme
magnetic
ZnFe2O4/ammoniated
MoS2
(ZnFe2O4/A-MoS2)
heterojunction
as
a
visible-light-driven
PMS
activator
for
PPCP
degradation
was
developed.
ZnFe2O4/A-MoS2
achieves
improved
photocatalytic
activity
because
the
construction
of
promotes
separation
highly
reductive
photogenerated
electrons.
The
optimized
photocatalyst
(10%-ZnFe2O4/A-MoS2,
0.2
g/L)
achieved
100%
removal
2
ppm
carbamazepine
(CBZ)
within
2.5
min
at
dosage
0.5
mM
(initial
pH
7.0).
Mechanistic
investigation
revealed
that
separated
electrons
to
ZnFe2O4
reactive
center
facilitated
activation
generated
SO4·–
dominant
species
CBZ
degradation.
system
exhibited
excellent
practicability
various
samples
actual
where
most
sewage
components
negatively
impacted
Further,
chloride
ions
high-salinity
could
be
activated
generate
additional
chlorine
possesses
outstanding
reusability
stability
treating
water
conditions.
This
work
provides
mechanistic
practical
perspectives
developing
novel
S-type
heterojunctions
recalcitrant
pollutant
treatment.
