Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(51)
Published: Aug. 27, 2024
Abstract
The
main
challenge
in
developing
Schottky‐contact
OER
catalytic
devices
based
on
layered
double
hydroxides
(LDHs)
is
to
achieve
metal–semiconductor
junctions
with
low
contact
resistance
and
high
charge
transfer
capacity.
However,
due
the
presence
of
potential
barriers
Fermi
pinning,
conventional
Schottky
contacts
are
usually
unsatisfactory,
resulting
poor‐working
electrode
performance
energy
consumption.
In
this
study,
a
new
concept
“hindrance
factor”
introduced
quantify
difficulty
electron
transfer,
low‐hindrance
factor
formed
by
strong
coupling
semiconductor
LDH
NiMo
alloy
clusters
designed.
This
interface
guides
redistribution,
optimizes
bonding
orbital
states
adsorption
sites,
enhances
targeted
OH
intermediates.
results
show
that
configured
NiMo@NiFeCe‐LDH
working
only
needs
1.445
V
(vs
RHE)
drive
reaction
shows
excellent
durability
400
h
testing.
At
same
time,
strategy
for
screening
high‐performance
developed.
provides
bridge
studying
properties,
hybridization,
reveals
mechanism
reducing
resistance,
has
important
guiding
significance
electrocatalysts
stability.
Journal of Materials Chemistry A,
Journal Year:
2023,
Volume and Issue:
12(3), P. 1714 - 1724
Published: Dec. 7, 2023
NiFeSe
4
/NiSe
2
-8
h
had
good
overall
water
splitting
performance.
The
heterostructure
of
the
prepared
promoted
redistribution
electrons
and
improved
conductivity
material.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
64(1)
Published: Oct. 25, 2024
The
lattice
oxygen
mechanism
(LOM)
endows
NiFe
layered
double
hydroxide
(NiFe-LDH)
with
superior
evolution
reaction
(OER)
activity,
yet
the
frequent
and
sluggish
regeneration
of
intensify
dissolution
active
species.
Herein,
we
overcome
this
challenge
by
constructing
hydroxide/Ni
EcoEnergy,
Journal Year:
2024,
Volume and Issue:
2(1), P. 114 - 140
Published: March 1, 2024
Abstract
Developing
efficient
electrocatalysts
for
water
electrolysis
is
critical
sustainable
hydrogen
energy
development.
For
enhancing
the
catalytic
performance
of
metal
catalysts,
dual
doping
has
attracted
enormous
interest
its
high
effectiveness
and
facile
realization.
Dual
effective
tuning
electronic
properties,
electrical
conductivity,
populating
active
sites,
improving
stability
catalysts.
In
this
review,
recent
developments
in
cation–cation,
cation–anion,
anion–anion
dual‐doped
catalysts
splitting
are
comprehensively
summarized
discussed.
An
emphasis
put
on
illustrating
how
regulates
external
internal
properties
boosts
Additionally,
perspectives
pointed
out
to
guide
future
research
engineering
high‐performance
heteroatom‐doped
electrocatalysts.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(26), P. 16413 - 16449
Published: June 21, 2024
Layered
double
hydroxides
(LDHs),
especially
those
containing
nickel
(Ni),
are
increasingly
recognized
for
their
potential
in
photo(-/)electrocatalytic
water
oxidation
due
to
the
abundant
availability
of
Ni,
corrosion
resistance,
and
minimal
toxicity.
This
review
provides
a
comprehensive
examination
Ni-based
LDHs
electrocatalytic
(EC),
photocatalytic
(PC),
photoelectrocatalytic
(PEC)
processes.
The
delves
into
operational
principles,
highlighting
similarities
distinctions
as
well
benefits
limitations
associated
with
each
method
oxidation.
It
includes
detailed
discussion
on
synthesis
monolayer,
ultrathin,
bulk
LDHs,
focusing
merits
drawbacks
inherent
approach.
Regarding
EC
oxygen
evolution
reaction
(OER),
strategies
improve
catalytic
performance
insights
structural
during
process
summarized.
Furthermore,
extensively
covers
advancements
PEC
OER,
including
an
analysis
semiconductors
paired
form
photoanodes,
focus
enhanced
activity,
stability,
underlying
mechanisms
facilitated
by
LDHs.
concludes
addressing
challenges
prospects
development
innovative
LDH
catalysts
practical
applications.
provided
this
paper
will
not
only
stimulate
further
research
but
also
engage
scientific
community,
thus
driving
field
forward.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(43)
Published: Sept. 5, 2023
Full
understanding
to
the
origin
of
catalytic
performance
a
supported
nanocatalyst
from
points
view
both
active
component
and
support
is
significant
for
achievement
high
performance.
Herein,
based
on
model
electrocatalyst
single-iridium-atom-doped
iron
(Fe)-based
layered
double
hydroxides
(LDH)
oxygen
evolution
reaction
(OER),
we
reveal
first
completed
such
nanocatalysts.
Specially,
besides
activity
enhancement
Ir
sites
by
LDH
support,
stability
surface
Fe
enhanced
doped
sites:
DFT
calculation
shows
that
can
reduce
enhance
nearby
sites;
while
further
finite
element
simulations
indicate,
distant
could
be
attributed
much
low
concentration
OER
reactant
(hydroxyl
ions,
OH-
)
around
them
induced
fast
consumption
highly
sites.
These
new
findings
about
interaction
between
main
components
supports
are
applicable
in
principle
other
heterogeneous
nanocatalysts
provide
