Nanomaterials,
Journal Year:
2023,
Volume and Issue:
14(1), P. 74 - 74
Published: Dec. 26, 2023
In
this
work,
the
heterojunctions
of
CuInS2
embedded
in
g-C3N4
materials
(xCuInS2/g-C3N4,
abbreviated
as
xCIS/GCN)
was
successfully
prepared
for
peroxymonosulfate
(PMS)
activation
under
visible
light.
The
catalysts
are
characterized
by
different
techniques,
such
XRD,
FTIR,
SEM,
TEM,
and
UV-vis.
unique
heterojunction
composites
can
suppress
recombination
photogenerated
pairs.
catalytic
results
showed
that
3CIS/GCN
exhibited
excellent
levofloxacin
(LVF)
degradation
efficiency,
while
more
than
98.9%
LVF
removed
60
min
over
a
wide
pH
range.
SO4•−,
O2•−,
OH•,
1O2
were
verified
main
reactive
species
via
quenching
experiments
electron
paramagnetic
resonance
technology
(EPR).
synergetic
effect
xCIS/GCN,
PMS,
light
irradiation
discussed.
possible
pathway
proposed
through
byproducts
analysis
(LC-MS).
Moreover,
3CIS/GCN/vis-PMS
system
has
very
low
metal
leaching.
Owing
to
xCIS/GCN
having
good
properties
PMS
activation,
it
potential
applications
or
other
hazardous
pollutants
degradation.
Energy & environment materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 9, 2025
Built‐in
electric
field
coupled
piezoelectric
polarization
engineering
is
a
promising
method
to
adjust
and
boost
the
catalytic
performance
of
photocatalysts.
Herein,
BiOIO
3
‐Bi
2
Te
type‐II
heterojunction
piezo‐photocatalyst
was
proposed
prepared
by
sequential
hydro‐solvothermal
method.
Due
co‐drive
photothermal‐piezoelectric
effect
certified
force
microscopy,
COMSOL
simulations,
infrared
thermography,
photocatalytic
degradation
as‐prepared
on
rhodamine
B
dramatically
improved
under
co‐excitation
visible
light
ultrasound
compared
with
single
irradiation
ultrasonic
conditions.
Typically,
photocatalyst
always
showed
significantly
better
than
pure
Bi
,
/Bi
mechanical
mixtures.
Impressively,
based
optimal
conditions
obtained
systematically
studying
effects
temperatures,
intensities,
inorganic
salts
piezo‐photocatalytic
degradation,
optimum
composite
ratio
‐20
can
also
effectively
remove
tetracycline
Cr(VI),
achieve
purpose
simultaneously
removing
mixture
these
three
pollutants
good
recycling
stability.
Such
enhanced
mainly
attributed
disruptions
electrostatic
equilibrium
saturation
built‐in
successive
photoinduced
co‐disturbance,
thus
enhancing
driving
separation
migration
photogenerated
carriers
as
verified
electrochemical
tests,
energy
band
structure
theory,
DFT
calculations.
Based
which
sacrificial
agent
experiments,
mechanism
proposed.
This
research
showcased
significant
potential
for
environmental
remediation
using
solar
cooperatively.
