ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(22), P. 29421 - 29438
Published: May 22, 2024
2D/2D
step-scheme
(S-scheme)
piezo-photocatalysts
for
the
production
of
fine
chemicals,
such
as
hydrogen
peroxide
(H2O2),
have
attracted
significant
attention
global
scientists
owing
to
efficiency
in
utilizing
surface
piezoelectric
effects
from
2D
materials
overcome
rapid
charge
recombination
photocatalytic
processes.
In
this
research,
we
reported
fabrication
S-doped
VOx
deposited
on
g-C3N4
produce
H2O2
via
piezo-photocatalytic
process
with
high
yields
at
20.19
mmol
g–1
h–1,
which
was
1.75
and
4.87
times
higher
than
that
solely
piezo-catalytic
generation.
The
finding
pointed
out
adding
sulfur
(S)
can
help
improve
catalytic
outcomes
by
modifying
electronic
properties
pristine
VOx.
addition,
when
coupled
g-C3N4,
presence
S
limits
formation
graphene
VOx/g-C3N4
composites,
causing
shielding
pushing
cascade
reactions
toward
water
generation
materials.
Besides,
research
also
sheds
light
transport
between
S-VOx
under
irradiation
how
composites
work
trigger
H2O2.
composite
systems
enhances
transfer
two
semiconductors
strengthening
internal
electric
fields
(IEF)
drive
electrons
moving
one
direction,
demonstrated
density
functional
theory
(DFT)
calculations.
Moreover,
significantly
relies
reduction
oxygen
generate
oxygenic
radical
species
sites.
Meanwhile,
provides
oxidative
sites
oxidize
molecules
directly
or
indirectly
O2,
will
further
participate
final
products.
This
study
confirms
validation
S-scheme
piezo-photocatalysts,
thus
encouraging
developing
heterojunction
efficiency,
be
used
practical
conditions.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(8)
Published: Nov. 22, 2023
Abstract
Semiconductor
photocatalytic
technology
holds
immense
promise
for
converting
sustainable
solar
energy
into
chemically
storable
energy,
with
significant
applications
in
the
realms
of
and
environment.
However,
inherent
issue
rapid
recombination
photogenerated
electrons
holes
hinders
performance
single
photocatalysts.
To
overcome
this
challenge,
construction
2D
S‐scheme
heterojunction
photocatalysts
emerges
as
an
effective
strategy.
The
deliberate
design
dimensionality
ensures
a
substantial
interfacial
area;
while,
charge
transfer
mechanism
facilitates
efficient
separation
maximizes
redox
capabilities.
This
review
commences
fresh
perspective
on
heterojunctions,
followed
by
comprehensive
exploration
preparation
methods
characterization
techniques.
Subsequently,
recent
advancements
are
summarized.
Notably,
behind
activity
enhancement
is
elucidated.
Finally,
prospects
development
presented.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(23)
Published: April 3, 2024
Abstract
Solar
energy
can
be
utilized
in
photocatalysis
technology
to
realize
light‐driven
hydrogen
peroxide
(H
2
O
)
production,
a
green
chemical
synthesis
route.
Designing
high‐performance
photocatalysts
is
critical
achieving
practical
solar
H
production.
During
the
past
decade,
significant
research
progress
made
photocatalytic
materials
for
Particularly
2D
materials‐based
stand
out
due
their
unique
physical
and
properties.
This
review
highlights
intricate
relationship
between
material
innovation
photochemical
It
starts
with
fundamental
principles
of
generation,
focusing
on
crucial
steps
such
as
photon
absorption,
carrier
dynamics,
surface
reactions,
challenges
that
solve
at
each
step.
Then,
various
production
are
introduced
detail.
Engineering
strategies
optimize
performance
discussed
afterward.
Finally,
future
opportunities
designing
outlined.
expected
inspire
engineering
conversion
other
chemicals.
Journal of Cleaner Production,
Journal Year:
2023,
Volume and Issue:
429, P. 139519 - 139519
Published: Nov. 3, 2023
Photocatalytic
degradation
of
pharmaceutical
pollutants
in
water
or
wastewater
is
becoming
a
hot
topic
for
environmental
clean-up.
Herein,
novel
CeFeCu
trimetal
oxide
(CFC
TMO)/Bi2O3
(CFCB)
photocatalysts
were
prepared
through
precursor
mixing,
ultrasonication,
and
calcination
methods
used
photocatalytic
sulfamethoxazole
(SMZ).
The
pseudo-first
order
kinetic
rate
CFCB-2
catalyst
on
SMZ
reached
0.0577
min−1
which
4.93
10.02
times
higher
than
α-Bi2O3
CFC
TMO
under
visible
light
illumination.
This
was
proved
by
the
strong
interaction
between
pristine
materials
as
confirmed
XPS
density
functional
theory
(DFT)
calculations.
DFT
calculations
indicated
that
having
more
orbital
distribution
could
make
it
easier
to
capture
electrons
produce
radicals
electron
transfer.
Meanwhile
by-products
showed
no
sign
cytotoxicity
towards
human
embryonic
kidney
cell
line
(HEK
293)
intestinal
epithelial
(CACO-2).
findings
scavenger
experiments
ESR
measurements
•OH
•O2−
played
superior
role
decomposition
SMZ.
Furthermore,
S-scheme
charge
carrier
transfer
pathway
are
proposed
analysed.
study
paves
ways
into
promising
strategy
construction
based
heterojunction
decontamination
can
be
extended
other
applications
such
Fenton-like
reactions
persulfate
activation.
