ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(6), P. 6056 - 6067
Published: March 1, 2024
Photocatalytic
hydrogen
evolution
technology
faces
great
challenges
in
designing
efficient
and
stable
catalysts
that
absorb
visible
light.
In
this
study,
a
catalyst
with
S-scheme
heterojunction
built-in
electric
fields
was
successfully
prepared
by
electrostatic
self-assembly
to
load
ZnCdS
nanoparticles
on
layered
Ni–Co.
The
ZnCdS/NiCo
double
hydroxide
(NiCo-LDH)
test
demonstrates
the
effectively
inhibit
recombination
of
photogenerated
electrons
holes,
lowering
impedance
increasing
photocurrent.
Additionally,
more
can
take
part
reduction
reaction,
producing
H2.
It
is
worth
noting
ZnCdS/NiCo-LDH
1153
μmol
5
h,
which
10
times
ZnCdS.
We
analyze
electron
transport
process,
construction
field,
formation
during
situ
X-ray
photoelectron
spectroscopy.
This
study
provides
new
perspective
for
application
LDH
photocatalysis
direction
breakthrough
photocatalytic
research.
Next Materials,
Journal Year:
2024,
Volume and Issue:
3, P. 100104 - 100104
Published: Jan. 9, 2024
Pure
water
splitting
by
charged
semiconductors
and
solar
photons
to
concurrently
generate
H2
O2
molecules
has
gained
notable
attention
due
worldwide
clean
energy
generation
storage.
Despite
significant
advancements,
challenges
facing
severe
carrier
recombination
sluggish
electron
transport
continue
hinder
the
intrinsic
efficiency
of
splitting.
Here,
we
fabricate
two-dimensional
graphitic
carbon
nitride-hybridized
sulfur
thionic
polymorphs
(CN/S100/S010
junctions)
incorporating
photoactive
within
lateral
nanosheets.
As
a
result,
charge
rectification
effect
coplanar
nitride/S100/S010
junctions
is
induced
well-designed
driving
forces:
favorable
band
offsets
cascade
polarized
surface
work
functions.
During
process,
photogenerated
electrons
are
sequentially
transferred
from
nitride
element
semiconductor
{100}
subsequently
oriented
{010}
facets.
This
unique
behavior
migration
CN/S100/S010
photocatalysts
contributes
impressive
rates
production,
reaching
740
363
µmol
g−1·h−1,
respectively,
nearly
13-fold
higher
than
that
parent
nitride.
Comprehensive
spectroscopic
theoretical
analyses
confirm
formation
hierarchies
with
long-lived
carriers
during
hydrogen
production.
introduces
novel
avenues
for
automatically
orienting
holds
promising
prospects
ACS Materials Letters,
Journal Year:
2024,
Volume and Issue:
6(4), P. 1347 - 1355
Published: March 8, 2024
For
solar-driven
overall
pure
water
splitting,
a
superior
photocatalyst
with
reasonable
atomic
and
electronic
structure
is
needed
to
be
suitable
for
both
half-reactions,
HER
OER.
TiO2
has
showcased
remarkable
catalytic
efficiency
in
the
field
of
but
it
still
encounters
obstacles
accomplishing
proficient
splitting.
Within
this
work,
following
sequential
screening
based
on
element
type,
stability,
structure,
adsorption
energy,
we
designed
TiO2-based
catalyst
workflow
This
DFT-based
significantly
reduced
time
trial-and-error
costs
associated
traditional
experimental
design.
It
precisely
guided
synthesis
highly
dispersed
Cu-loaded/N-doped
TiO2,
which
facilitated
sacrificial-agent-free
resulting
solar
fuel
0.2%
an
H2
yield
1027.7
μmol/h/g.
Advanced
DFT
calculations
revealed
that
d–p
orbital
coupling
between
Cu
N
broke
scaling
relationship
O-based
intermediates.
work
holds
promise
extension
other
reactions,
offering
valuable
insights
into
design
endeavors.
