Catalysts,
Journal Year:
2025,
Volume and Issue:
15(1), P. 95 - 95
Published: Jan. 20, 2025
In
this
study,
a
novel
Z-scheme
heterojunction
photocatalyst
was
developed
by
integrating
g-C3N4
nanoplates
into
ZnIn2S4
microspheres.
X-ray
photoelectron
spectroscopy
analysis
revealed
directional
electron
transfer
from
to
upon
formation.
Under
irradiation,
electrochemical
tests
and
paramagnetic
resonance
demonstrated
significantly
enhanced
charge
generation
separation
efficiencies
in
the
ZnIn2S4/g-C3N4
composite,
accompanied
reduced
resistance.
photocatalytic
CO2
reduction,
composite
achieved
highest
CO
yield,
1.92
5.83
times
higher
than
those
of
pristine
ZnIn2S4,
respectively,
with
notable
selectivity
91.3%
compared
H2
(8.7%).
The
mechanism,
confirmed
work,
effectively
preserved
strong
redox
capabilities
photoinduced
carriers,
leading
superior
performance
excellent
long-term
stability.
This
study
offers
valuable
insights
design
development
g-C3N4-based
heterojunctions
for
efficient
solar-driven
reduction.
Langmuir,
Journal Year:
2024,
Volume and Issue:
40(31), P. 16642 - 16652
Published: July 25, 2024
CoFe2O4
has
potential
for
application
as
a
magnetically
recoverable
visible-light
photocatalyst,
but
its
photocatalytic
activity
is
encumbered
by
the
high
recombination
probability
of
photogenerated
holes
(h+)
and
electrons
(e–).
This
work
was
undertaken
to
boost
photocatalysis
through
coupling
with
conjugated
poly(vinyl
chloride)
derivative
(CPVC).
An
easily
implementable
solvothermal−liquid
solid
mixing−evaporation
solvent−pyrolysis
method
exploited
synthesize
CoFe2O4/CPVC
nanocomposites.
The
capabilities
products
were
assessed
photocatalyzing
reduction
Cr(VI)
under
(λ
>
420
nm).
results
demonstrate
that
optimal
nanocomposite
(CoFe2O4/CPVC-2)
markedly
heightened
(3.6
times
CoFe2O4)
competent
reusability
recoverable.
Furthermore,
CoFe2O4/CPVC-2
also
shows
superior
performance
toward
treatment
diluted
Cr(VI)-containing
passivation
solution
copper
alloys.
It
deduced
based
on
photoelectricity
measurement
increased
chiefly
attributed
p–n
heterojunction
structure,
which
greatly
elevates
h+–e–
separation
transfer
efficiency.
When
waste
PVC
plastic
films
(replacing
new
pure
powder)
utilized
synthesis,
obtained
exhibited
even
better
(4
CoFe2O4).
not
only
made
recoverable,
efficient
photocatalyst
decontamination
in
water
inspirational
recycling
produce
high-valued
photocatalysts.
Nano Energy,
Journal Year:
2023,
Volume and Issue:
121, P. 109206 - 109206
Published: Dec. 17, 2023
Single
component
semiconductor
materials
with
piezoelectric
response
can
promote
the
activation
of
hydrogen
ions
(H
+
)
and
generation
2
under
action
mechanical
force,
but
high
recombination
rate
carriers
is
major
obstacle
to
strengthen
piezocatalytic
efficiency.
Here,
a
groundbreaking
Bi
MoO
6
-BaTiO
3
(BMO-BTO)
Type-I
heterojunction
piezocatalyst
successfully
fabricated
through
solvothermal
strategy,
applied
for
cocatalysts-free
H
production
reaction.
Under
ultrasonic
vibration,
BMO-0.1BTO
reach
up
nearly
152.57
µmol/g/h,
which
approximately
9.33
4.47
times
respect
that
pristine
BMO
(16.36
µmol/g/h)
BTO
(34.16
alone,
respectively.
Furthermore,
also
combined
other
commonly
used
piezocatalysts
construct
heterojunctions,
analogous
marvelous
performance
was
attained.
The
enhanced
be
credited
established
built-in
electric
field
(BIEF)
in
extraordinarily
suppressed
rates
piezocarriers,
rather
than
an
increase
piezoelectricity,
emphatically
verified
series
physics
chemical
characterizations.
This
study
presents
innovative
paradigm
fabricating
BMO-based
efficiently
convert
energy
into
energy.
attributed
remarkably
reduced
carriers,
piezoelectricity.
•
Highly
efficient
BMO-BTO
heterojunctions
were
rationally
designed.
owned
excellent
activity
stability.
An
mechanism
reasonably
elucidated.
new
BIEF,
material
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(7), P. 7122 - 7131
Published: March 19, 2024
Designing
approaches
to
synthesizing
nanostructure
photocatalysts
is
crucial
boosting
applications
in
photocatalytic
H2
production.
Herein,
a
Z-scheme
p–n
heterojunction
for
production
was
designed
and
constructed
by
decorating
p-type
CoP3
quantum
dots
on
n-type
CdZnS
nanorods.
The
flower-like
CoP3/CdZnS
nanorod
assembly
benefits
from
light
absorption
full
contact
with
the
solution.
An
internal
electric
field
forms
at
interface
of
junction,
which
provides
charge
transport
path
efficient
migration
separation
photogenerated
charges.
In
result,
hydrogen
rate
junction
33
times
that
CdZnS.
study
provided
novel
approach
synthesis
self-assembled
nanostructures
assemblies
have
important
photocatalysis
energy
conversion.
