ACS Catalysis,
Journal Year:
2023,
Volume and Issue:
13(17), P. 11305 - 11313
Published: Aug. 11, 2023
For
electrocatalytic
oxygen
evolution
reactions
(OERs),
surface
microenvironment
associated
with
the
physicochemical
states
of
nanocatalysts
acts
as
a
crucial
role
for
determining
catalytic
performance.
Rational
modulation
oxygen-linked
(OLSME)
favorable
phase
and
valence
is
promising
strategy
promoting
OER
activities,
particularly
these
intrinsically
inert
metal
oxide
catalysts.
As
proof-of-concept,
molybdenum
oxides
are
selected
representative
catalyst
model
anionic
boron/nitrogen
species
modulators
reducing
lattice
optimizing
adsorbed
oxygen,
accompanied
by
formation
metal–boron/nitrogen
interactions.
It
concluded
that
boron
modulator
tends
to
induce
MoO2
phase,
while
nitrogen
beneficial
stabilizing
MoO3
phase.
By
virtue
comprehensive
comparison
more
enhancing
performance,
lower
overpotential
298
mV
than
(310
mV)
at
current
density
10
mA
cm–2,
without
any
obvious
performance
decay
continuous
operation
up
50
h
in
alkaline
solution.
expected
this
work
offers
some
insights
on
OLSME
engineering
provides
possibilities
activities
inactive
electrocatalysts.
Advanced Energy Materials,
Journal Year:
2023,
Volume and Issue:
13(16)
Published: March 9, 2023
Abstract
Solar‐driven
water
electrolysis
has
been
considered
to
be
a
promising
route
produce
green
hydrogen,
because
the
conventional
system
is
not
completely
renewable
as
it
requires
power
from
nonrenewable
fossil
fuel
sources.
This
review
emphasizes
strategies
for
solar‐driven
electrolysis,
including
construction
of
photovoltaic
(PV)‐water
electrolyzer
systems,
PV‐rechargeable
energy
storage
device‐water
systems
with
solar
sole
input
energy,
and
photoelectrochemical
splitting
systems.
The
basic
discussions
above
are
first
presented.
Meanwhile,
replacing
oxygen
evolution
reaction
electrooxidation
organic
compounds
can
effectively
improve
efficiency
splitting.
Also,
seawater
greatly
broadens
practical
applications
due
abundant
reserves
seawater.
Recent
years
have
witnessed
great
development
in
field
electrolysis.
recent
research
area
subsequently
reviewed.
Finally,
perspectives
on
existing
challenges
along
some
opportunities
further
provided.
Chemical Reviews,
Journal Year:
2023,
Volume and Issue:
123(23), P. 13489 - 13692
Published: Nov. 14, 2023
As
a
key
structural
parameter,
phase
depicts
the
arrangement
of
atoms
in
materials.
Normally,
nanomaterial
exists
its
thermodynamically
stable
crystal
phase.
With
development
nanotechnology,
nanomaterials
with
unconventional
phases,
which
rarely
exist
their
bulk
counterparts,
or
amorphous
have
been
prepared
using
carefully
controlled
reaction
conditions.
Together
these
methods
are
beginning
to
enable
engineering
(PEN),
i.e.,
synthesis
phases
and
transformation
between
different
obtain
desired
properties
functions.
This
Review
summarizes
research
progress
field
PEN.
First,
we
present
representative
strategies
for
direct
modulation
diverse
kinds
nanomaterials.
We
cover
ranging
from
metal
nanostructures
such
as
Au,
Ag,
Cu,
Pd,
Ru,
alloys;
oxides,
borides,
carbides;
transition
dichalcogenides
(TMDs)
2D
layered
review
growth
wet-chemical
reduction
seed-mediated
epitaxial
chemical
vapor
deposition
(CVD),
high
pressure
transformation,
electron
ion-beam
irradiation.
After
that,
summarize
significant
influence
on
various
unconventional-phase
also
discuss
potential
applications
developed
areas
including
catalysis,
electrochemical
energy
storage
(batteries
supercapacitors),
solar
cells,
optoelectronics,
sensing.
Finally,
existing
challenges
future
directions
ChemSusChem,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 4, 2024
Abstract
Electrocatalytic
water
splitting
shows
great
potential
for
producing
clean
and
green
hydrogen,
but
it
is
hindered
by
slow
reaction
kinetics.
Advanced
electrocatalysts
are
needed
to
lower
the
energy
barriers.
The
establishment
of
built‐in
electric
fields
(BIEF)
in
heterointerfaces
has
been
found
be
beneficial
speeding
up
electron
transfer,
increasing
electrical
conductivity,
adjusting
local
environment,
optimizing
chemisorption
with
intermediates.
Engineering
modifying
BIEF
heterojunctions
offer
significant
opportunities
enhance
electronic
properties
catalysts,
thus
improving
This
comprehensive
review
focuses
on
latest
advances
engineering
heterojunction
catalysts
efficient
electrolysis.
It
highlights
fundamentals,
engineering,
modification,
characterization,
application
electrocatalytic
splitting.
also
discusses
challenges
future
prospects
engineering.
Overall,
this
provides
a
thorough
examination
next
generation
electrolysis
devices.
ACS Nano,
Journal Year:
2022,
Volume and Issue:
17(1), P. 790 - 800
Published: Dec. 27, 2022
The
construction
of
efficient
and
stable
electrocatalysts
is
widespread
research
significance
for
electrocatalytic
coupling
reactions.
Herein,
an
amorphous
Rh
metallene
sulfide
with
sulfur-rich
vacancies
(a-RhS2–x
metallene)
synthesized
the
cathodic
nitrobenzene
(Ph-NO2)
electroreduction
reaction
(ERR)
to
aniline
(Ph-NH2)
coupled
anodic
sulfur
ion
(S2–)
oxidation
(SOR)
in
a
coelectrolysis
system.
On
one
hand,
structure
can
provide
enough
reactive
site.
other
amorphization
introduced
S
generate
rich
defects
ligand
unsaturated
sites
improve
intrinsic
activity
active
sites.
Due
these
advantages,
a-RhS2–x
exhibits
superior
performance
Ph-NO2
ERR
SOR.
Inspiringly,
assembled
system,
required
overpotential
only
0.442
V
at
10
mA
cm–2
drive
SOR,
which
allows
promising
energy-efficient
electrolysis
high
value-added
chemicals.
Small,
Journal Year:
2023,
Volume and Issue:
20(1)
Published: Aug. 30, 2023
Abstract
Upgrading
overall
water
splitting
(OWS)
system
and
developing
high‐performance
electrocatalysts
is
an
attractive
way
to
the
improve
efficiency
reduce
consumption
of
hydrogen
(H
2
)
production
from
electrolyzed
water.
Here,
a
Pt
cluster/Ir
metallene
heterojunction
structure
(Pt/Ir
hetero‐metallene)
with
unique
Pt/Ir
interface
reported
for
conversion
ethylene
glycol
(EG)
glycolic
acid
(GA)
coupled
H
production.
With
assistance
oxidation
(EGOR),
Pt/Ir||Pt/Ir
hetero‐metallene
two‐electrode
electrolysis
exhibits
lower
cell
voltage
0.36
V
at
10
mA
cm
−2
.
Furthermore,
Faradaic
EG
GA
as
high
87%.
The
excellent
performance
this
new
heterostructure
arise
charge
redistribution
strain
effects
induced
by
Pt–Ir
interactions
between
heterogeneous
interfaces,
well
larger
specific
surface
area
more
active
sites
due
structure.
Small,
Journal Year:
2023,
Volume and Issue:
19(25)
Published: March 18, 2023
Abstract
Metallene
with
outstanding
physicochemical
properties
is
an
efficient
two‐dimensional
electrocatalysts
for
sustainable
hydrogen
(H
2
)
production
applications.
However,
the
controllable
fabrication
of
extended
atomically
thin
metallene
nanoribbons
remains
a
formidable
challenge.
Herein,
this
work
proposes
preparation
strategy
defect‐rich
PdIr
bimetallene
(PdIr
BNRs)
thickness
only
1.5
nm
and
stable
isopropanol‐assisted
seawater
electrolytic
H
production.
When
using
BNRs
as
catalyst
to
build
electrolysis
system,
voltage
0.38
V
required
at
@10
mA
cm
−2
achieve
energy‐saving
production,
while
producing
high
value‐added
acetone
anode.
The
aberration‐corrected
high‐resolution
transmission
electron
microscopy
(HRTEM)
clearly
reveals
that
possess
abundant
structural
defects,
which
can
additionally
serve
highly
catalytically
active
sites.
Density
functional
theory
(DFT)
calculations
combined
X‐ray
absorption
spectroscopy
studies
reveal
introduction
Ir
atoms
induce
formation
localized
charge
region
shift
d
‐band
center
Pd
down,
thereby
reducing
adsorption
energy
on
in
favor
rapid
desorption
.
This
opens
way
design
construction
electrocatalytic
