ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
17(1), P. 42 - 66
Published: Dec. 23, 2024
Hydrogen
peroxide
(H2O2)
finds
extensive
applications
in
various
industries,
particularly
the
environmental
field.
The
photocatalytic
production
of
H2O2
through
oxygen
reduction
reaction
(ORR)
or
water
oxidation
(WOR)
offers
a
promising
approach.
However,
several
challenges
hinder
effective
on-site
production,
such
as
rapid
electron–hole
pair
recombination,
inefficient
visible
light
utilization,
and
limited
selectivity
formation.
Thus,
developing
efficient
photocatalysts
to
overcome
these
is
crucial.
This
review
comprehensively
outlines
development
their
modification
techniques.
It
also
summarizes
compares
yield
apparent
quantum
among
with
without
use
organic
sacrificial
reagents.
Density
functional
theory
(DFT)
calculations
propose
band
structure
mechanisms
underlying
H2O2.
Finally,
this
explores
potential
photocatalytically
produced
guides
design
optimization
photocatalysts,
facilitating
continued
advancement
application
contexts.
Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 5, 2025
Hydrogen
peroxide
(H2O2)
artificial
photosynthesis
converts
low-density
solar
energy
into
storable
clean
chemical
energy,
which
is
an
important
hot
topic
in
green
chemistry.
Constructing
heterojunctions
effective
tactic
to
enhance
the
oxygen
reduction
kinetics
of
H2O2
photosynthesis,
however,
actual
source
activity
remains
ambiguous.
Here,
a
series
BiVO4@ZnIn2S4
hierarchical
(BZ-x,
x
=
0.4,
0.8,
1.2)
were
elegantly
designed
through
piecing
two-dimensional
(2D)
BiVO4
nanosheets
onto
surface
three-dimensional
(3D)
ZnIn2S4
flower-like
microspheres
by
straightforward
ethanol
ultrasound-induced
self-assembly
strategy.
These
BZ-x
photocatalysts
exhibit
significantly
enhanced
photocatalytic
production
rates
across
wide
pH
range
(3–13)
compared
with
those
pristine
and
ZnIn2S4,
optimal
BZ-0.8
showing
excellent
rate
as
high
1585.99
μmol
g–1
h–1.
Comprehensive
analysis
reveals
that
2D
3D
form
Z-scheme
heterojunction,
can
deliver
favorable
coupling
between
photogenerated
electrons
adsorption
O2
at
interface
heterojunctions,
thereby
accelerating
two-step
one-electron
kinetic
process.
This
study
provides
new
perspective
for
improving
introducing
heterojunction
strategies.
ACS Applied Energy Materials,
Journal Year:
2024,
Volume and Issue:
7(15), P. 6360 - 6375
Published: Aug. 1, 2024
Hydrogen
peroxide
(H2O2)
generation
via
a
photocatalytic
O2
reduction
reaction
has
been
considered
an
economically
efficient
and
environmentally
friendly
synthesis
method.
However,
the
productivity
of
H2O2
production
is
restricted
because
sluggish
kinetics
fast
recombination
photoinduced
excitons.
Therefore,
superior
two-dimensional
(2D)–2D
WS2/sulfur-doped
g-C3N4
(WSCN)
hybrid
material
was
successfully
fabricated
to
address
associated
limitations
through
combination
wet
impregnation
calcination
techniques
for
production.
The
effective
anchoring
WS2
nanoplates
onto
sulfur-doped
(SCN)
nanosheets
facilitates
separation
excitons
with
sturdy
redox
properties,
which
attributable
establishment
S-scheme
heterojunctions
between
SCN
W–S
bonding
as
substantiated
by
X-ray
photoelectron
spectroscopy
(XPS)
analysis.
bond
at
interface
acts
bridge
charge
segregation
pathways.
Among
all,
2.5
WSCN
displays
exceptional
817
μmol,
7.9-
2.68-fold
higher
than
those
pristine
SCN,
respectively.
solar-to-chemical
conversion
efficiency
found
be
0.24%,
whereas
apparent
quantum
yield
estimated
3.19%
420
nm
irradiation.
improved
activity
figured
out
cathodic
photocurrent
−1.51
mA
cm–2
delayed
excitons,
supported
photoluminescence
electrochemical
impedance
measurements.
charge-transfer
pathway
well
validated
radical
scavenging
experiment
work
function,
evaluated
from
VB-XPS
analysis
in
situ
XPS
measurement.
This
research
offers
paradigmatic
idea
constructing
photocatalyst
generation.
Chemical Society Reviews,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
S-scheme
heterojunctions
have
become
a
hot
topic
in
photocatalysis.
Copper
(Cu)
compounds
are
versatile
family
of
photocatalytic
materials,
including
oxides
(CuO,
Cu2O),
binary
(CuBi2O4,
CuFe2O4),
sulfides
(CuxS,
(1
≤
x
2)),
selenides
(CuSe),
phosphides
(Cu3P),
metal
organic
frameworks
(MOFs),
etc.
These
materials
characterized
by
narrow
bandgaps,
large
absorption
coefficients,
and
suitable
band
positions.
To
further
increase
the
efficiency
photoinduced
charge
separation,
Cu-based
widely
integrated
into
exploited
for
hydrogen
evolution
reaction
(HER),
CO2
reduction,
H2O2
generation,
N2
fixation,
pollutant
degradation.
This
review
comprehensively
discusses
recent
progress
heterojunctions,
highlights
their
considerable
potential
targeted
applications
sustainable
energy
conversion,
environmental
remediation,
beyond.
The
fundamentals
transfer,
design
principles
verification
tools
summarized.
Then,
describes
categorized
according
to
chemical
composition,
integration
applications.
In
particular,
implications
transfer
mechanism
on
promoting
catalytic
activity
selected
systems
analyzed.
Finally,
current
limitations
outlooks
provided
motivate
future
studies
developing
novel
advanced
photocatalysts
with
high
performance
studying
underlying
mechanisms.
RSC Advances,
Journal Year:
2025,
Volume and Issue:
15(17), P. 13313 - 13322
Published: Jan. 1, 2025
Herein,
a
new
Z-scheme
BiVO
4
/Cu
2
O/PPy
heterostructure
photocatalyst
was
developed
with
bismuth
nitrate
and
ammonium
vanadate
as
the
precursors
sodium
dodecyl
benzyl
sulfonate
soft
template.
InfoScience.,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 5, 2024
Abstract
Semiconductor
photocatalysis
is
a
promising
tactic
to
simultaneously
overcome
global
warming
and
the
energy
crisis
as
it
can
directly
convert
inexhaustible
solar
into
clean
fuels
valuable
chemicals,
hence
being
employed
in
various
applications.
However,
current
performance
of
largely
impeded
by
fast
recombination
photogenerated
charge
carriers
insufficient
light
absorption.
Among
materials,
bismuth‐based
photocatalysts
have
stood
out
excellent
candidates
for
efficient
due
their
unique
controllable
crystal
structures
relatively
narrow
band
gap.
These
features
endow
selective
exposure
active
facets
(facet
engineering)
wide
absorption
range,
resulting
tunable
photocatalytic
activity,
selectivity,
stability.
Therefore,
great
potential
use
facet‐engineered
applications
(e.g.,
water
splitting,
CO
2
reduction,
N
fixation,
H
O
production)
achieve
sustainable
development.
Herein,
introduction
provides
overview
this
research,
while
synthesis,
modification
strategy,
latest
progress
application
were
summarized
highlighted
review
paper.
Lastly,
conclusion
outlooks
topic
concluded
give
some
insights
direction
focus
future
research.