Chemical Science,
Journal Year:
2024,
Volume and Issue:
15(14), P. 5082 - 5112
Published: Jan. 1, 2024
This
review
systematically
introduces
how
to
regulate
the
electronic
structure
and
geometric
configuration
of
atomic
catalysts
achieve
high-efficiency
electrocatalysis
performances
by
analyzing
detailed
electrocatalytic
applications
mechanisms.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(14), P. 9823 - 9851
Published: March 28, 2024
With
the
increasingly
serious
greenhouse
effect,
electrochemical
carbon
dioxide
reduction
reaction
(CO2RR)
has
garnered
widespread
attention
as
it
is
capable
of
leveraging
renewable
energy
to
convert
CO2
into
value-added
chemicals
and
fuels.
However,
performance
CO2RR
can
hardly
meet
expectations
because
diverse
intermediates
complicated
processes,
necessitating
exploitation
highly
efficient
catalysts.
In
recent
years,
with
advanced
characterization
technologies
theoretical
simulations,
exploration
catalytic
mechanisms
gradually
deepened
electronic
structure
catalysts
their
interactions
intermediates,
which
serve
a
bridge
facilitate
deeper
comprehension
structure-performance
relationships.
Transition
metal-based
(TMCs),
extensively
applied
in
CO2RR,
demonstrate
substantial
potential
for
further
modulation,
given
abundance
d
electrons.
Herein,
we
discuss
representative
feasible
strategies
modulate
catalysts,
including
doping,
vacancy,
alloying,
heterostructure,
strain,
phase
engineering.
These
approaches
profoundly
alter
inherent
properties
TMCs
interaction
thereby
greatly
affecting
rate
pathway
CO2RR.
It
believed
that
rational
design
modulation
fundamentally
provide
viable
directions
development
toward
conversion
many
other
small
molecules.
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(22), P. 14954 - 14958
Published: May 28, 2024
Copper
(Cu)
single-atom
catalysts
(SACs)
exhibit
great
potential
for
generating
multicarbon
(C2+)
products,
but
the
intrinsic
activity
of
Cu
(Cu1)
under
realistic
conditions
remains
controversial.
Herein,
we
perform
extensive
calculations
with
explicit
solvation
to
investigate
underlying
mechanism
SACs,
disclosing
absence
C2+
in
Cu1
sites
regardless
different
substrates.
The
original
(first
taking
stably
anchored
on
carbon
nitride
as
an
example)
cannot
facilitate
*CO
hydrogenation
and
CO–CO
coupling
due
lack
active
nearby,
they
are
unstable
operation,
causing
leaching
aggregation
form
small
clusters.
derived
clusters
composed
at
least
three
atoms
can
efficiently
promote
coupling,
revealed
by
kinetic
analyses.
We
extend
modeling
other
typical
SACs
reveal
that
all
inactive,
while
performance
Cu-cluster
is
substrate-dependent.
This
study
offers
mechanistic
insights
into
provides
practical
guidance
their
rational
optimization.
Materials Today Advances,
Journal Year:
2024,
Volume and Issue:
22, P. 100488 - 100488
Published: May 8, 2024
Electrocatalysis
utilizing
2D
materials
is
an
encouraging
approach
for
advancing
sustainable
energy
conversion
technologies.
This
review
explores
the
strategies
employed
to
achieve
robust
electrocatalytic
activity
of
in
key
reactions,
namely,
OER,
HER,
and
CO2RR.
The
distinct
structural
electrical
characteristics
offer
opportunities
rapid
catalytic
performance,
indicating
significant
efficiency
selectivity.
We
systematically
discuss
factors
governing
two-dimensional
materials,
including
their
intrinsic
properties,
surface
modification
techniques,
heterostructure
engineering,
role
defects.
Furthermore,
we
summarize
recent
advances
experimental
theoretical
studies
understand
fundamental
mechanisms
with
respect
behavior.
For
ORR,
defect
phase
interface
heteroatom
doping
techniques
have
been
explored.
In
addition,
case
CO2RR,
modification,
surface-structure
tuning,
electrolyte
electrolyzer
optimization
were
examined.
emphasizes
prospective
as
efficient
electrocatalysts
processes.
Moreover,
it
provides
future
insights
into
this
rapidly
evolving
field
highlights
possible
challenges.
conclusion,
aims
serve
a
remarkable
resource
researchers
seeking
harness
potential
response
applications.
Chemical Science,
Journal Year:
2024,
Volume and Issue:
15(36), P. 14585 - 14607
Published: Jan. 1, 2024
The
development
of
high-efficiency
atomic-level
catalysts
for
energy-conversion
and
-storage
technologies
is
crucial
to
address
energy
shortages.
spin
states
diatomic
(DACs)
are
closely
tied
their
catalytic
activity.
Adjusting
the
DACs'
active
centers
can
directly
modify
occupancy
d-orbitals,
thereby
influencing
bonding
strength
between
metal
sites
intermediates
as
well
transfer
during
electro
reactions.
Herein,
we
discuss
various
techniques
characterizing
atomic
strategies
modulating
center
states.
Next,
outline
recent
progress
in
study
effects
DACs
oxygen
reduction
reaction
(ORR),
evolution
(OER),
hydrogen
(HER),
electrocatalytic
nitrogen/nitrate
(eNRR/NO
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(33)
Published: July 1, 2024
Abstract
Modifying
the
coordination
or
local
environments
of
single‐,
di‐,
tri‐,
and
multi‐metal
atom
(SMA/DMA/TMA/MMA)‐based
materials
is
one
best
strategies
for
increasing
catalytic
activities,
selectivity,
long‐term
durability
these
materials.
Advanced
sheet
supported
by
metal
atom‐based
have
become
a
critical
topic
in
fields
renewable
energy
conversion
systems,
storage
devices,
sensors,
biomedicine
owing
to
maximum
utilization
efficiency,
precisely
located
centers,
specific
electron
configurations,
unique
reactivity,
precise
chemical
tunability.
Several
offer
excellent
support
are
attractive
applications
energy,
medical
research,
such
as
oxygen
reduction,
production,
hydrogen
generation,
fuel
selective
detection,
enzymatic
reactions.
The
strong
metal–metal
metal–carbon
with
metal–heteroatom
(i.e.,
N,
S,
P,
B,
O)
bonds
stabilize
optimize
electronic
structures
atoms
due
interfacial
interactions,
yielding
activities.
These
provide
models
understanding
fundamental
problems
multistep
This
review
summarizes
substrate
structure‐activity
relationship
different
active
sites
based
on
experimental
theoretical
data.
Additionally,
new
synthesis
procedures,
physicochemical
characterizations,
biomedical
discussed.
Finally,
remaining
challenges
developing
efficient
SMA/DMA/TMA/MMA‐based
presented.
ACS Catalysis,
Journal Year:
2023,
Volume and Issue:
13(22), P. 15126 - 15142
Published: Nov. 8, 2023
With
the
development
of
synthetic
methodology,
recent
breakthroughs
have
been
achieved
to
prepare
metal
single-atom
catalysts
(SACs)
with
high
loadings,
leading
an
emerging
class
SACs
called
densely
populated
or
high-density
SACs.
This
type
provides
not
only
higher
mass-specific
activity
but
also
additional
interaction
among
single
sites,
which
can
further
influence
local
geometric
and
electronic
structures
individual
centers
thus
affect
intrinsic
active
sites.
Review
examines
research
progress
atomic
regulation
engineering
density
how
it
affects
catalytic
performance
in
specific
thermal
catalysis.
Last,
we
outline
challenges
prospects
for
future
work
design
EcoEnergy,
Journal Year:
2023,
Volume and Issue:
1(1), P. 154 - 185
Published: Sept. 1, 2023
Abstract
Metal‐nitrogen‐doped
carbon
material
have
sparked
enormous
attentions
as
they
show
excellent
electrocatalytic
performance
and
provide
a
prototype
for
mechanistic
understandings
of
reactions.
Researchers
spare
no
effort
to
find
catalytic
reactivity
“descriptor”,
which
is
correlated
with
catalytical
properties
could
be
utilized
guiding
the
rational
design
high‐performance
catalysts.
In
recent
years,
benefited
from
development
computational
technology,
theoretical
calculation
came
into
being
powerful
tool
understand
mechanisms
an
atomic
level
well
accelerate
process
finding
descriptor
promoting
effective
present
review,
we
latest
research
toward
energetic
electronic
descriptors
metal‐nitrogen‐doped
(M‐N‐C)
materials,
shown
understanding
This
review
uses
density
functional
theory
most
advanced
machine
learning
method
describe
exploration
four
kinds
reaction
descriptors,
namely
oxygen
reduction
reaction,
dioxide
hydrogen
evolution
nitrogen
reaction.
The
aim
this
inspire
future
high‐efficiency
M‐N‐C
catalysts
by
providing
in‐depth
insights
activity
these
materials.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Feb. 2, 2024
Abstract
Carbon
materials
hold
significant
promise
in
electrocatalysis,
particularly
electrochemical
CO
2
reduction
reaction
(eCO
RR)
and
two‐electron
oxygen
(2e
−
ORR).
The
pivotal
factor
achieving
exceptional
overall
catalytic
performance
carbon
catalysts
is
the
strategic
design
of
specific
active
sites
nanostructures.
This
work
presents
a
comprehensive
overview
recent
developments
electrocatalysts
for
eCO
RR
2e
ORR.
creation
through
single/dual
heteroatom
doping,
functional
group
decoration,
topological
defect,
micro‐nano
structuring,
along
with
their
synergistic
effects,
thoroughly
examined.
Elaboration
on
mechanisms
structure‐activity
relationships
these
provided.
In
addition
to
directly
serving
as
electrocatalysts,
this
review
explores
role
matrix
support
finely
adjusting
reactivity
single‐atom
molecular
catalysts.
Finally,
addresses
challenges
prospects
associated
designing
fabricating
providing
valuable
insights
into
future
trajectory
dynamic
field.