Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 13, 2025
Abstract
Developing
conductor‐mediated
S‐scheme
heterojunction
photocatalysts
imitating
natural
photosynthetic
systems
emerges
as
a
promising
approach
to
hydrogen
peroxide
(H
2
O
)
production.
However,
achieving
precise
coupling
between
two
semiconductors
with
charge
shuttle
and
modulating
the
interfacial
interactions
still
remain
significant
bottleneck.
Herein,
we
propose
catalyst
architecture
Cd
single
atom
mediated
formed
by
interfacing
CdS
TiO
nanoparticles.
This
exhibits
an
H
production
rate
high
60.33
µmol
g
−1
min
under
UV–vis
light
irradiation,
which
is
attributed
efficient
transport
at
interface
of
thanks
S‐scheme.
In‐situ
X‐ray
photoelectron
spectroscopy
(XPS)
electron
spin
resonance
(ESR)
spin‐trapping
tests
confirm
transfer
route.
Femtosecond
transient
absorption
(fs‐TA)
other
ex‐situ
characterizations
further
corroborate
across
interface.
work
offers
new
perspective
on
constructing
atoms
heterojunctions
enhance
photocatalytic
performance.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 7, 2025
Abstract
The
S‐scheme
heterojunction
exerts
a
profoundly
positive
influence
on
enhancing
carrier
separation
efficiency
and
redox
capability.
However,
there
are
few
reports
accelerating
the
reaction
rate
of
photogenerated
charge
carriers,
particularly
consumption
holes
in
heterojunction.
Herein,
an
situ
construction
strategy
is
employed
to
construct
ultra‐small
nonprecious
metal
NiO
(≈2
nm)
By
incorporating
into
heterojunctions,
photocatalytic
hydrogen
production
performance
significantly
improved
by
380
times,
nitrogen
fixation
enhanced
20
times.
Density
function
theoretical
(DFT)
calculations,
X‐ray
photoelectron
spectroscopy
(in
XPS),
Diffuse
Reflectance
Infrared
Fourier
Transform
Spectroscopy
DRIFTS)
characterization
results
indicate
that
incorporation
heterojunctions
can
not
only
enhance
photo‐generated
carriers
ability
but
also
further
promote
sacrificial
agents,
thereby
achieving
secondary
enhancement
efficiency.
Therefore,
(H
2
)
(N
markedly
improved.
successful
execution
this
work
provides
novel
approach
material
structure
design,
offering
valuable
insights
for
development
improvement
high‐performance
materials.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 15, 2024
The
regulation
of
peroxymonosulfate
(PMS)
activation
by
photo-assisted
heterogeneous
catalysis
is
under
in-depth
investigation
with
potential
as
a
replaceable
advanced
oxidation
process
in
water
purification,
yet
it
remains
significant
challenge.
Herein,
we
demonstrate
strategy
to
construct
polyethylene
glycol
(PEG)
well-coupled
dual-defect
V
Materials Horizons,
Journal Year:
2025,
Volume and Issue:
12(6), P. 1757 - 1795
Published: Jan. 1, 2025
Noble
metal-based
oxide
electrocatalysts
are
essential
for
the
development
of
H
2
production
technology
by
water
electrolysis,
and
this
review
summarises
recent
research
progress
noble
metal
oxides
in
field
electrolysis.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 16, 2025
Abstract
The
rational
design
of
S‐scheme
heterojunctions
holds
significant
potential
for
efficient
photocatalytic
energy
conversion,
attributed
to
their
enhanced
carrier
separation
efficiency
and
high
redox
capacity.
Nevertheless,
achieving
precise
control
transfer
dynamics
in
remains
a
substantial
challenge.
Herein,
unique
architecture
is
devised
featuring
porous
rod‐shaped
Fe
2
O
3
particles
loaded
onto
single‐sites
modified
g‐C
N
4
nanosheets
via
mediated
heterocomponent
anchorage,
the
directed
growth
using
as
anchoring
points,
thereby
forming
O─Fe─N
interfacial
chemical
bonds
(ICBs)
generating
abundant
nitrogen
defects
(FeO/FeCN‐N
v
).
Photophysical
processes
are
further
investigated
femtosecond
transient
absorption
spectroscopy
(fs‐TAS)
situ
irradiated
X‐ray
photoelectron
(ISI‐XPS)
with
an
adjustable
wavelength
irradiation
light
source.
Encouragingly,
results
reveal
internal
electric
field
(IEF)
constructed
at
these
semicoherent
phase
boundaries,
creating
asymmetrical
charge
distribution.
Simultaneously,
introduce
additional
defect
level
that
accelerates
electron
through
IEF,
enabling
more
rapid
migration
surface‐active
sites
both
styrene
epoxidation
hydrogen
evolution.
synergistic
effect
ICBs
coupling
regulating
offers
new
insights
into
photocatalysis,
paving
way
advancements
conversion.
