Advanced Materials,
Год журнала:
2024,
Номер
36(41)
Опубликована: Авг. 16, 2024
Abstract
Heterogeneous
single‐metal‐site
catalysts
(SMSCs),
often
referred
to
as
single‐atom
(SACs),
demonstrate
promising
catalytic
activity,
selectivity,
and
stability
across
a
wide
spectrum
of
reactions
due
their
rationally
designed
microenvironments
encompassing
coordination
geometry,
binding
ligands,
electronic
configurations.
However,
the
inherent
disorderliness
SMSCs
at
both
atomic
scale
nanoscale
poses
challenges
in
deciphering
working
principles
establishing
correlations
between
performances
SMSCs.
The
rearrangement
randomly
dispersed
single
metals
into
homogeneous
atomic‐precisely
structured
periodic
single‐metal
site
(PSMSCs)
not
only
simplifies
chaos
systems
but
also
unveils
new
opportunities
for
manipulating
performance
gaining
profound
insights
reaction
mechanisms.
Moreover,
synergistic
effects
adjacent
integration
arrangement
further
broaden
industrial
application
scope
This
perspective
offers
comprehensive
overview
recent
advancements
outlines
prospective
avenues
research
design
characterizations
PSMSCs,
while
acknowledging
formidable
encountered
prospects
that
lie
ahead.
Nano-Micro Letters,
Год журнала:
2024,
Номер
16(1)
Опубликована: Апрель 30, 2024
Durable
and
efficient
bi-functional
catalyst,
that
is
capable
of
both
oxygen
evolution
reaction
hydrogen
under
acidic
condition,
are
highly
desired
for
the
commercialization
proton
exchange
membrane
water
electrolysis.
Herein,
we
report
a
robust
L-Ru/HfO
Nano-Micro Letters,
Год журнала:
2024,
Номер
16(1)
Опубликована: Июль 9, 2024
Single-atom
materials
have
demonstrated
attractive
physicochemical
characteristics.
However,
understanding
the
relationships
between
coordination
environment
of
single
atoms
and
their
properties
at
atomic
level
remains
a
considerable
challenge.
Herein,
facile
water-assisted
carbonization
approach
is
developed
to
fabricate
well-defined
asymmetrically
coordinated
Co-N
Energy & Environmental Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Single
atom
Ag-decorated
Cu
2
O
nanowires
achieve
two-ampere-level
nitrate-to-ammonia
conversion,
facilitating
further
ammonia
fixation
into
ammonium
formate
at
10
g-scale.
Nano-Micro Letters,
Год журнала:
2025,
Номер
17(1)
Опубликована: Янв. 22, 2025
Abstract
Seawater
electrolysis
offers
a
promising
pathway
to
generate
green
hydrogen,
which
is
crucial
for
the
net-zero
emission
targets.
Indirect
seawater
severely
limited
by
high
energy
demands
and
system
complexity,
while
direct
bypasses
pre-treatment,
offering
simpler
more
cost-effective
solution.
However,
chlorine
evolution
reaction
impurities
in
lead
severe
corrosion
hinder
electrolysis’s
efficiency.
Herein,
we
review
recent
advances
rational
design
of
chlorine-suppressive
catalysts
integrated
systems
architectures
chloride-induced
corrosion,
with
simultaneous
enhancement
Faradaic
efficiency
reduction
cost.
Furthermore,
directions
are
proposed
durable
efficient
systems.
This
provides
perspectives
toward
sustainable
conversion
environmental
protection.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 17, 2024
Abstract
Iron‐based
single‐atom
catalysts
(Fe─N─C)
exhibit
excellent
oxygen
reduction
activity
but
struggle
with
bifunctional
performance
due
to
their
poor
evolution
activity.
Although
the
Fe
spin
state
is
found
be
closely
associated
enhanced
activity,
controllably
regulating
remains
a
challenge.
Here,
controllable
regulation
of
directly
achieved
through
competitive
coordination
between
chlorine
and
pyridine
nitrogen
in
axial
direction
Fe─N
4
.
The
regulated
from
high
intermediate
by
modulation
ligands
weak‐field
ligand
strong‐field
pyridinic
nitrogen,
which
leads
N─FeN
small
potential
gap
(Δ
E
=
0.68
V).
Theoretical
calculations
indicate
that
turning
accompanied
an
binding
strength
sites
*OH
leading
significant
decrease
OER
barrier.
Moreover,
exhibits
sufficient
durability
for
reaction
(ORR)
(over
50
h),
(OER)
200
assembled
zinc–air
battery
1000
h).
Here
novel
approach
proposed
designing
efficient
based
on
profound
insights
into
Fe─N─C
catalysis.
