Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 12, 2024
It
is
of
great
significance
for
the
development
hydrogen
energy
technology
by
exploring
new-type
and
high-efficiency
electrocatalysts
(such
as
single
atom
catalysts
(SACs))
water
splitting.
In
this
paper,
combining
interface
engineering
doping
engineering,
a
unique
iron
(Fe)-doped
carbon-coated
nickel
sulfide
(Ni
Chemical Society Reviews,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
This
review
examines
the
strategies
of
symmetry
breaking
(charge/coordination/geometric)
in
single-atom
catalysts
to
regulate
active
site
electronic
structures,
greatly
enhancing
catalytic
performance.
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 17, 2024
The
electrocatalytic
reaction
pathway
is
highly
dependent
on
the
intrinsic
structure
of
catalyst.
CO2/CO
electroreduction
has
recently
emerged
as
a
potential
approach
for
obtaining
C2+
products,
but
it
challenging
to
achieve
high
selectivity
single
product.
Herein,
we
develop
Cu
atomic
ensemble
that
satisfies
appropriate
site
distance
and
coordination
environment
required
CO-to-acetate
conversion,
which
shows
outstanding
overall
performance
with
an
acetate
Faradaic
efficiency
70.2%
partial
current
density
225
mA
cm–2
formation
rate
2.1
mmol
h–1
cm–2.
Moreover,
single-pass
CO
conversion
91%
remarkable
stability
can
be
also
obtained.
Detailed
experimental
theoretical
investigations
confirm
significant
advantages
ensembles
in
optimizing
C–C
coupling,
stabilizing
key
ketene
intermediate
(*CCO),
inhibiting
*HOCCOH
intermediate,
switch
reduction
from
ethanol/ethylene
conventional
metallic
ensembles.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(32), P. 20578 - 20605
Published: Jan. 1, 2024
Molecular
engineering
of
MOF-based
electrocatalysts
for
the
CO
2
RR,
computational
simulations,
and
advanced
characterization
studies
are
discussed
summarized
to
illustrate
correlation
between
their
structure
performance.
Analytical Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 13, 2025
The
elementary
mechanism
and
site
studies
of
nanozyme-based
inhibition
reactions
are
ambiguous
urgently
require
advanced
nanozymes
as
mediators
to
elucidate
the
effect.
To
this
end,
we
develop
a
class
featuring
single
Cu–N
catalytic
configurations
B–O
sites
binding
on
porous
nitrogen-doped
carbon
substrate
(B6/CuSA)
for
inducing
modulable
transfer
at
atomic
level.
full
redistribution
electrons
across
sites,
induced
by
incorporation,
yields
B6/CuSA
with
enhanced
peroxidase-like
activity
versus
CuSA.
More
importantly,
CuSA
features
in
cysteine
expresses
competitive
through
coordination
bonds,
an
constant
0.048
mM.
Benefiting
from
way
nanozymes,
possesses
mixed
approaches
noncovalent
bonds
delivers
record-mixed
interaction
0.054
mM
noncompetitive
0.71
Based
CuSA,
multichannel
sensor
array
accomplishes
detection
various
cancer
cells,
normal
thiols.
design
principle
work
is
endowed
guidelines
preliminary
evaluation
massive
potential
thiols,
cell
discrimination,
disease
prediction.
Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 18, 2025
Abstract
Single
site
catalysts
(SSCs),
characterized
by
high
atomic
utilization
and
well‐defined
active
sites,
exhibit
significant
potential
in
the
field
of
CO
2
electroreduction
(CO
RR).
Typically,
SSCs
tend
to
a
2‐electron
transfer
reaction
RR,
there
remain
challenges
achieving
efficient
conversion
above
2‐electrons
(methane
(CH
4
)
multicarbon
products(C
2+
).
Therefore,
systematic
review
is
crucial
summarize
recent
advancements
single
electrocatalysts
their
structure‐activity
relationship.
The
discussion
begins
with
state‐of‐the‐art
characterization
techniques
SSCs.
Then
influence
central
atoms,
coordination
environments,
support
metal‐support
interactions
on
catalytic
performance
discussed
detail.
Subsequently,
regulation
strategies
improve
activity
selectivity
CH
C
products
are
discussed.
Furthermore,
dynamic
evolution
metal
sites
true
nature
during
RR
also
addressed.
Finally,
associated
for
product
formation
analyzed.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 24, 2025
Abstract
Ni
single‐atoms
(SAs)
are
active
for
electrocatalytic
CO
2
reduction
reaction
(CO
RR)
to
CO,
but
their
performance
still
needs
be
further
improved
practical
implementation.
Herein,
a
strategy
of
“short‐
and
long‐range
modulation”
is
reported
synergistically
modulate
the
electronic
structure
SAs
by
constructing
nanoparticles
(NPs)
integrated
with
N,
P‐coordinated
on
N‐doped
carbon
supports
(Ni‐P
1
N
3
/Ni
NPs
@NC).
Experiments
theoretical
calculations
reveal
that
both
short‐range
modulation
involving
Ni–P
coordination
collectively
enhance
electron
localization
around
SAs,
thus
increasing
binding
strength
key
*
COOH
intermediate.
This
results
in
an
RR
lowering
energy
barrier.
Ni‐P
@NC
exhibits
Faradaic
efficiency
exceeding
99.0%
across
wide
potential
range
from
−0.5
−1.1
V
versus
reversible
hydrogen
electrode
(vs
RHE),
highest
partial
current
density
−544
mA
cm
−2
at
vs
RHE.