Chemical Society Reviews,
Journal Year:
2019,
Volume and Issue:
48(19), P. 4979 - 5015
Published: Jan. 1, 2019
To
accelerate
the
deployment
of
hydrogen
produced
by
renewable
solar
energy,
several
technologies
have
been
competitively
developed,
including
photoelectrochemical
(PEC),
photocatalytic,
and
photovoltaic-electrolysis
routes.
In
this
review,
we
place
PEC
in
context
with
these
competing
highlight
key
advantages
systems.
After
defining
unique
performance
metrics
water
splitting
system,
recently
developed
strategies
for
enhancing
each
metric,
such
as
photocurrent
density,
photovoltage,
fill
factor,
stability
are
surveyed
conjunction
relevant
theoretical
aspects.
addition,
various
advanced
characterization
methods
discussed,
situ
techniques,
allowing
us
to
understand
not
only
basic
properties
materials
but
also
diverse
photophysical
phenomena
underlying
system.
Based
on
insights
gained
from
provide
a
resource
researchers
field
well
those
who
want
join
field,
offer
an
outlook
how
thin
film-based
studies
could
lead
commercially
viable
Advanced Energy Materials,
Journal Year:
2020,
Volume and Issue:
10(11)
Published: Feb. 6, 2020
Abstract
Electrochemical
water
splitting
plays
a
crucial
role
in
the
development
of
clean
and
renewable
energy
production
conversion,
which
is
promising
pathway
to
reduce
social
dependence
on
fossil
fuels.
Thus,
highly
active,
cost‐efficient,
robust
catalysts
must
be
developed
reaction
overpotential
increase
electrocatalytic
efficiency.
In
this
review,
recent
research
efforts
toward
developing
advanced
electrocatalysts
based
noble
metals
with
outstanding
performance
for
catalysis,
mainly
dependent
their
structure
engineering,
are
summarized.
First,
simple
description
water‐splitting
mechanism
some
engineering
strategies
given,
including
heteroatom
incorporation,
strain
interface/hybrid
single
atomic
construction.
Then,
underlying
relationship
between
metal
electronic/geometric
discussed
assistance
theoretical
simulation.
Finally,
personal
perspective
provided
order
highlight
challenges
opportunities
novel
suitable
wide
range
commercial
uses
structural
applications.
Advanced Materials,
Journal Year:
2018,
Volume and Issue:
30(10)
Published: Jan. 19, 2018
Abstract
Owing
to
its
earth
abundance,
low
kinetic
overpotential,
and
superior
stability,
NiFe‐layered
double
hydroxide
(NiFe‐LDH)
has
emerged
as
a
promising
electrocatalyst
for
catalyzing
water
splitting,
especially
oxygen
evolution
reaction
(OER),
in
alkaline
solutions.
Unfortunately,
result
of
extremely
sluggish
dissociation
kinetics
(Volmer
step),
hydrogen
(HER)
activity
the
NiFe‐LDH
is
rather
poor
environment.
Here
novel
strategy
demonstrated
substantially
accelerating
by
partially
substituting
Fe
atoms
with
Ru.
In
1
m
KOH
solution,
as‐synthesized
Ru‐doped
nanosheets
(NiFeRu‐LDH)
exhibit
excellent
HER
performance
an
overpotential
29
mV
at
10
mA
cm
−2
,
which
much
lower
than
those
noble
metal
Pt/C
reported
electrocatalysts.
Both
experimental
theoretical
results
reveal
that
introduction
Ru
into
can
efficiently
reduce
energy
barrier
Volmer
step,
eventually
kinetics.
Benefitting
from
outstanding
remained
OER
activity,
NiFeRu‐LDH
steadily
drives
electrolyzer
current
density
cell
voltage
1.52
V,
values
Pt/C–Ir/C
couple
state‐of‐the‐art
overall
water‐splitting
Energy & Environmental Science,
Journal Year:
2018,
Volume and Issue:
11(4), P. 872 - 880
Published: Jan. 1, 2018
Novel
Ni–Co–P
hollow
nanobricks
are
constructed
with
oriented
nanosheets
and
manifest
as
an
excellent
bifunctional
electrocatalyst
for
overall
water
splitting.
Advanced Materials,
Journal Year:
2019,
Volume and Issue:
31(31)
Published: March 6, 2019
Water-splitting
electrolyzers
that
can
convert
electricity
into
storable
hydrogen
are
a
fascinating
and
scalable
energy
conversion
technology
for
the
utilization
of
renewable
energies.
To
speed
up
sluggish
oxygen
evolution
reactions
(HER
OER),
electrocatalysts
essential
reducing
their
kinetic
barriers
eventually
improving
efficiency.
As
efficient
strategies
modulating
binding
ability
water-splitting
intermediates
on
electrocatalyst
surface,
support
effect
interface
drawing
growing
attention.
Herein,
some
recent
research
progress
effects
in
HER,
OER,
overall
is
highlighted.
Specifically,
correlation
between
electronic
interaction
constituent
components
electrocatalytic
performance
profoundly
discussed,
with
aim
advancing
development
highly
electrocatalysts,
which
may
replace
noble-metal-based
bring
practically
widespread
reality.
Advanced Functional Materials,
Journal Year:
2020,
Volume and Issue:
30(48)
Published: Sept. 9, 2020
Abstract
Piezoelectric‐based
catalysis
that
relies
on
the
charge
energy
or
separation
efficiency
of
carriers
has
attracted
significant
attention.
The
piezo‐potential
induced
by
strain
stress
can
induce
a
giant
electric
field,
which
been
demonstrated
to
be
an
effective
means
for
shifting
transferring
electrons
and
holes.
In
recent
years,
intense
efforts
have
made
in
this
subject,
research
mainly
focussed
two
aspects:
i)
Alteration
surface
piezocatalysis;
ii)
photo‐generated
catalytic
activity
enhancement
integrated
piezoelectric
semiconductor
coupled
system
composed
piezoelectrics
semiconductors.
Systematically
summarizing
advances
above
aspects
is
helpful
context
deepening
understanding
relevant
issues
developing
new
ideas
piezoelectric‐based
catalysis.
review,
comprehensive
summary
piezocatalysis
piezo‐photocatalysis
provided.
transfer
behaviors
mechanisms
over
large
variety
piezocatalysts
piezo‐photocatalysts
are
systematically
analyzed.
addition,
types
mechanical
energy,
strategies
enhancing
piezocatalysis,
advanced
applications
discussed.
Finally,
promising
development
directions
piezo‐photocatalysis,
such
as
materials,
assembly
forms,
future
proposed.
Advanced Energy Materials,
Journal Year:
2019,
Volume and Issue:
9(22)
Published: May 2, 2019
Abstract
The
sustainable
and
scalable
production
of
hydrogen
through
evolution
reaction
(HER)
oxygen
(OER)
in
water
splitting
demands
efficient
robust
electrocatalysts.
Currently,
state‐of‐the‐art
electrocatalysts
Pt
IrO
2
/RuO
exhibit
the
benchmark
catalytic
activity
toward
HER
OER,
respectively.
However,
expanding
their
practical
application
is
hindered
by
exorbitant
price
scarcity.
Therefore,
development
alternative
effective
for
crucial.
In
last
few
decades,
substantial
effort
has
been
devoted
to
HER/OER
catalysts
based
on
various
transition
metals
(including
Fe,
Co,
Ni,
Mo,
atomic
Pt)
which
show
promising
activities
durability.
this
review,
after
a
brief
introduction
basic
mechanism
HER/OER,
authors
systematically
discuss
recent
progress
design,
synthesis,
single
atom
cluster‐based
catalysts.
Moreover,
crucial
factors
that
can
tune
such
as
morphology,
crystal
defects,
hybridization
with
nonmetals,
heteroatom
doping,
alloying,
formation
inside
graphitic
layered
materials
are
discussed.
Finally,
existing
challenges
future
perspectives
improving
performance
addressed.
Materials Horizons,
Journal Year:
2017,
Volume and Issue:
5(1), P. 9 - 27
Published: Aug. 29, 2017
The
state-of-the-art
developments
in
the
photocatalytic
reduction
of
N2
to
NH3
are
presented
by
classifying
photocatalysts
based
on
chemical
composition.
Additionally,
correlation
between
modification
catalysts
and
their
activity
is
highlighted.
Advanced Functional Materials,
Journal Year:
2018,
Volume and Issue:
28(26)
Published: April 30, 2018
Abstract
Metal–organic
frameworks
(MOFs)
and
MOF‐derived
nanostructures
are
recently
emerging
as
promising
catalysts
for
electrocatalysis
applications.
Herein,
2D
MOFs
nanosheets
decorated
with
Fe‐MOF
nanoparticles
synthesized
evaluated
the
water
oxidation
catalysis
in
alkaline
medium.
A
dramatic
enhancement
of
catalytic
activity
is
demonstrated
by
introduction
electrochemically
inert
onto
active
nanosheets.
In
case
Ni‐MOF
(Ni‐MOF@Fe‐MOF),
overpotential
265
mV
to
reach
a
current
density
10
mA
cm
−2
1
m
KOH,
which
lowered
≈100
after
hybridization
due
nanosheet
morphology
synergistic
effect
between
Ni
centers
Fe
species.
Similar
performance
improvement
also
successfully
NiCo‐MOF
More
importantly,
real
species
hybrid
Ni‐MOF@Fe‐MOF
catalyst
unraveled.
It
found
that,
NiO
nanograins
(≈5
nm)
formed
situ
during
oxygen
evolution
reaction
(OER)
process
act
OER
well
building
blocks
porous
catalysts.
These
findings
provide
new
insights
into
understanding
MOF‐based
catalysis,
shed
light
on
designing
highly
efficient
electrocatalysis.
