Molecules,
Journal Year:
2023,
Volume and Issue:
28(11), P. 4520 - 4520
Published: June 2, 2023
ZnIn2S4
(ZIS)
is
widely
used
in
the
field
of
photocatalytic
hydrogen
production
due
to
its
unique
photoelectric
properties.
Nonetheless,
performance
ZIS
usually
faces
problems
poor
conductivity
and
rapid
recombination
charge
carriers.
Heteroatom
doping
often
regarded
as
one
effective
strategies
for
improving
catalytic
activity
photocatalysts.
Herein,
phosphorus
(P)-doped
was
prepared
by
hydrothermal
method,
whose
energy
band
structure
were
fully
studied.
The
gap
P-doped
about
2.51
eV,
which
slightly
smaller
than
that
pure
ZIS.
Moreover,
upward
shift
band,
reduction
ability
enhanced,
also
exhibits
stronger
optimized
a
rate
1566.6
μmol
g-1
h-1,
3.8
times
pristine
(411.1
h-1).
This
work
provides
broad
platform
design
synthesis
phosphorus-doped
sulfide-based
photocatalysts
evolution.
Ultrasonics Sonochemistry,
Journal Year:
2023,
Volume and Issue:
94, P. 106325 - 106325
Published: Feb. 11, 2023
In
this
work,
different
mass
percent
ratios
of
CoFe2O4
coupled
g-C3N4
(w%-CoFe2O4/g-C3N4,
CFO/CN)
nanocomposites
were
integrated
through
a
hydrothermal
process
for
the
sonocatalytic
eradication
tetracycline
hydrochloride
(TCH)
from
aqueous
media.
The
prepared
sonocatalysts
subjected
to
various
techniques
investigate
their
morphology,
crystallinity,
ultrasound
wave
capturing
activity
and
charge
conductivity.
From
investigated
composite
materials,
it
has
been
registered
that
best
degradation
efficiency
26.71
%
in
10
min
was
delivered
when
amount
25%
nanocomposite.
higher
than
bare
g-C3N4.
This
enriched
credited
accelerated
transfer
separation
e--h+
pair
S-scheme
heterojunctional
interface.
trapping
experiments
confirmed
all
three
species
i.e.
•OH,
h+
•O2-
involved
antibiotics.
A
strong
interaction
shown
up
between
FTIR
study
support
as
photoluminescence
photocurrent
analysis
samples.
work
will
provide
an
easy
approach
fabricating
highly
efficient
low-cost
magnetic
hazardous
materials
present
our
environment.
Ultrasonics Sonochemistry,
Journal Year:
2023,
Volume and Issue:
95, P. 106409 - 106409
Published: April 18, 2023
Sonocatalysis
has
attracted
excellent
research
attention
to
eradicate
hazardous
pollutants
from
the
environment
effectively.
This
work
synthesised
an
organic/inorganic
hybrid
composite
catalyst
by
coupling
Fe3O4@MIL-100(Fe)
(FM)
with
ZnS
nanoparticles
using
solvothermal
evaporation
method.
Remarkably,
material
delivered
significantly
enhanced
sonocatalytic
efficiency
for
removing
tetracycline
(TC)
antibiotics
in
presence
of
H2O2
compared
bare
nanoparticles.
By
adjusting
different
parameters
such
as
TC
concentration,
dosage
and
amount,
optimized
(20
%Fe3O4@MIL-100(Fe)/ZnS)
removed
78.25%
antibiotic
20
min
at
cost
1
mL
H2O2.
These
much
superior
activities
are
attributed
efficient
interface
contact,
effective
charge
transfer,
accelerated
transport
capabilities
strong
redox
potential
acoustic
catalytic
performance
FM/ZnS
systems.
Based
on
various
characterization,
free
radical
capture
experiments
energy
band
structures,
we
proposed
a
mechanism
degradation
based
S-scheme
heterojunctions
Fenton
like
reactions.
will
provide
important
reference
developing
ZnS-based
nanomaterials
study
sonodegradation
pollutants.
