Abstract
Electrochemical
carbon
dioxide
reduction
(CO
2
RR),
as
an
emerging
technology,
can
combine
with
sustainable
energies
to
convert
CO
into
high
value‐added
products,
providing
effective
pathway
realize
neutrality.
However,
the
activation
energy
of
,
low
mass
transfer,
and
competitive
hydrogen
evolution
reaction
(HER)
leads
unsatisfied
catalytic
activity.
Recently,
Indium
(In)‐based
materials
have
attracted
significant
attention
in
RR
a
series
regulation
strategies
nanostructured
engineering
are
exploited
rationally
design
various
advanced
In‐based
electrocatalysts,
which
forces
necessary
comprehensive
fundamental
summary,
but
there
is
still
scarcity.
Herein,
this
review
provides
systematic
discussion
nanostructure
for
efficient
electrocatalytic
conversion
fuels.
These
including
morphology,
size,
composition,
defects,
surface
modification,
interfacial
structure,
alloying,
single‐atom
summarized
exploring
internal
relationship
between
performance
physicochemical
properties
catalysts.
The
correlation
electronic
structure
adsorption
behavior
intermediates
highlighted
gain
in‐depth
understanding
kinetics
RR.
Moreover,
challenges
opportunities
proposed,
expected
inspire
development
other
catalysts
Chemical Reviews,
Год журнала:
2023,
Номер
123(13), С. 8859 - 8941
Опубликована: Июнь 26, 2023
Amorphous
materials
are
metastable
solids
with
only
short-range
order
at
the
atomic
scale,
which
results
from
local
intermolecular
chemical
bonding.
The
lack
of
long-range
typical
crystals
endows
amorphous
nanomaterials
unconventional
and
intriguing
structural
features,
such
as
isotropic
environments,
abundant
surface
dangling
bonds,
highly
unsaturated
coordination,
etc.
Because
these
features
ensuing
modulation
in
electronic
properties,
display
potential
for
practical
applications
different
areas.
Motivated
by
elements,
here
we
provide
an
overview
unique
general
synthetic
methods,
covered
contemporary
research
nanomaterials.
Furthermore,
discussed
possible
theoretical
mechanism
nanomaterials,
examining
how
properties
configurations
contribute
to
their
exceptional
performance.
In
particular,
benefits
well
enhanced
electrocatalytic,
optical,
mechanical
thereby
clarifying
structure–function
relationships,
highlighted.
Finally,
a
perspective
on
preparation
utilization
establish
mature
systems
superior
hierarchy
various
is
introduced,
outlook
future
challenges
opportunities
frontiers
this
rapidly
advancing
field
proposed.
Chemical Society Reviews,
Год журнала:
2023,
Номер
53(2), С. 684 - 713
Опубликована: Дек. 20, 2023
Crystalline-amorphous
hybrid
materials
(CA-HMs)
possess
the
merits
of
both
pure
crystalline
and
amorphous
phases.
Abundant
dangling
bonds,
unsaturated
coordination
atoms,
isotropic
structural
features
in
phase,
as
well
relatively
high
electronic
conductivity
thermodynamic
stability
phase
simultaneously
take
effect
CA-HMs.
Furthermore,
atomic
bandgap
mismatch
at
CA-HM
interface
can
introduce
more
defects
extra
active
sites,
reservoirs
for
promoted
catalytic
electrochemical
performance,
induce
built-in
electric
field
facile
charge
carrier
transport.
Motivated
by
these
intriguing
features,
herein,
we
provide
a
comprehensive
overview
CA-HMs
on
various
aspects-from
synthetic
methods
to
multiple
applications.
Typical
characteristics
are
discussed
beginning,
followed
representative
strategies
CA-HMs,
including
hydrothermal/solvothermal
methods,
deposition
techniques,
thermal
adjustment,
templating
methods.
Diverse
applications
such
electrocatalysis,
batteries,
supercapacitors,
mechanics,
optoelectronics,
thermoelectrics
along
with
underlying
structure-property
mechanisms
carefully
elucidated.
Finally,
challenges
perspectives
proposed
an
aim
insights
into
future
development
Developing
energy
production,
storage,
and
conversion
technologies
based
on
sustainable
or
renewable
is
essential
to
address
the
environmental
crisis.
Electrochemical
water
splitting
one
of
most
promising
approaches
realize
production
green
hydrogen.
The
design
catalytic
materials
with
low
cost,
high
activity,
long‐term
stability
exploration
specific
reaction
mechanisms
are
key
focus
for
involved
electrochemical
hydrogen
evolution
(HER).
Recently,
substantial
efforts
have
been
devoted
rational
synthesis
non‐noble
metallic
heterostructures
fascinating
synergistic
effects
among
different
components.
These
heterostructured
demonstrate
comprehensive
properties
exceeding
estimations
by
rule
mixtures
display
activity
in
industrial
conditions
HER.
Herein,
mechanism
parameters
improving
performance
HER
process
discussed
detail.
latest
advances
synthetic
methods
electrocatalytic
characteristics
from
experimental
computational
perspectives
summarized
according
role
various
insights
provided
this
review
into
an
in‐depth
understanding
as
electrocatalysts,
opportunities
challenges
scale
up
future‐oriented
developments
highlighted.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(44)
Опубликована: Май 21, 2024
Abstract
Amorphous
materials
with
a
high
number
of
unsaturated
coordinated
dangling
bonds
exhibits
macroscopic
homogeneity
and
isotropy,
making
it
easily
modifiable
to
improve
the
catalytic
properties.
At
present,
several
feasible
modification
strategies
for
amorphous
have
been
proposed
applied
multiple
fields.
This
review
aims
provide
comprehensive
overview
recent
research
advancements
in
catalysis.
First,
general
modifying
are
summarized.
Subsequently,
potential
applications
modified
electrocatalysis
photocatalysis
highlighted.
Additionally,
positive
effects
various
tools
on
properties
elucidated.
Finally,
summary
challenges
offer
critical
perspective
further
development
presented.
The
primary
goal
this
is
systematic
understanding
how
enhance
performance
stimulate
catalysts
future.
Abstract
The
development
of
efficient
and
durable
non‐precious
hydrogen
evolution
reaction
(HER)
catalysts
for
scaling
up
alkaline
water/seawater
electrolysis
is
highly
desirable
but
challenging.
Amorphous‐crystalline
(A‐C)
heterostructures
have
garnered
attention
due
to
their
unusual
atomic
arrangements
at
hetero‐interfaces,
exposed
active
sites,
excellent
stability.
Here,
a
heterogeneous
synthesis
strategy
constructing
A‐C
non‐homogeneous
interfacial
centers
electrocatalysts
on
nanocages
presented.
Isolated
PdCo
clusters
nanoscale
islands
in
conjunction
with
Co
3
S
4
A‐C,
functioning
as
bifunctional
site
“island‐sea”
synergy,
enable
the
dynamic
confinement
design
metal
atoms,
resulting
HER
catalytic
activity
durability.
hierarchical
structure
hollow
porous
nanoclusters,
along
large
surface
area
multi‐dimensional
boundaries
defects,
provides
catalyst
abundant
centers.
Theoretical
calculations
demonstrate
that
combination
regulates
redistribution
interface
electrons
effectively,
promoting
sluggish
water‐dissociation
kinetics
cluster
sites.
Additionally,
PdCo‐Co
heterostructure
exhibit
outstanding
seawater
long‐term
stability
100
h,
which
can
be
powered
by
commercial
silicon
solar
cells.
This
finding
significantly
advances
large‐scale
production.
Abstract
Crystalline
perovskite
oxides
are
regarded
as
promising
electrocatalysts
for
water
electrolysis,
particularly
anodic
oxygen
evolution
reactions,
owing
to
their
low
cost
and
high
intrinsic
activity.
Perovskite
with
noncrystalline
or
amorphous
characteristics
also
exhibit
electrocatalytic
performance
toward
electrochemical
splitting.
In
this
review,
a
fundamental
understanding
of
the
advantages
crystalline,
noncrystalline,
is
presented.
Subsequently,
recent
progress
in
development
advanced
electrolysis
by
engineering
breaking
crystallinity
reviewed,
special
focus
on
underlying
structure–activity
relationships.
Finally,
remaining
challenges
unsolved
issues
presented,
an
outlook
briefly
proposed
future
exploration
next‐generation
water‐splitting
based
oxides.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(6), С. 6998 - 7013
Опубликована: Янв. 31, 2024
The
rational
design
and
construction
of
composite
electrodes
are
crucial
for
overcoming
the
issues
poor
working
stability
slow
ionic
electron
mobility
a
single
component.
Nevertheless,
it
is
big
challenge
to
construct
core–shell
heterostructures
with
crystalline/amorphous/crystalline
heterointerfaces
in
straightforward
efficient
methods.
Here,
we
have
successfully
converted
portion
crystalline
CoGa2O4
into
amorphous
phase
by
employing
facile
sulfidation
process
(denoted
as
CoGa2O4–S),
followed
anchoring
NiCo-layered
double
hydroxide
NiCo-LDH)
nanoarrays
onto
hexagonal
plates
nucleation
points
CoGa2O4–S,
synthesizing
dual-type
flower-like
3D
CoGa2O4–S@NiCo-LDH
on
carbon
cloth.
Furthermore,
further
adjust
Ni/Co
ratio
LDH,
achieving
precise
controllable
heterostructures.
Benefiting
from
abundant
synergistic
effect
among
various
components,
CoGa2O4–S@Ni2Co1-LDH
electrode
exhibits
specific
capacity
247.8
mAh·g–1
at
1
A·g–1
good
rate
performance.
A
CoGa2O4–S@Ni2Co1-LDH//AC
flexible
asymmetric
supercapacitor
provides
an
energy
density
58.2
Wh·kg–1
power
850
W·kg–1
impressive
capacitance
retention
105.7%
after
10,000
cycles
10
A·g–1.
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