Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(6)
Published: Nov. 27, 2023
Abstract
Single‐atom
alloys
(SAAs)
show
great
potential
for
a
variety
of
electrocatalytic
reactions.
However,
the
atomic
orbital
hybridization
effect
SAAs
on
electrochemical
reactions
is
unclear
yet.
Herein,
in
situ
confinement
vanadium/molybdenum/tungsten
atoms
bismuth
nanosheet
shown
to
create
with
rich
grain
boundaries,
respectively.
With
detailed
analysis
microstructure
and
composition,
strong
p‐d
between
vanadium
enables
exceptional
performance
carbon
dioxide
(CO
2
)
reduction
Faradaic
efficiency
nearly
100%
C1
products
wide
range
from
−0.6
−1.4
V,
long‐term
electrolysis
stability
90
h.
In‐depth
investigations
theoretical
computations
reveal
that
electron
delocalization
toward
via
evokes
active
centers
efficient
CO
activation
σ‐donation
O‐to‐Bi,
thus
reduces
protonation
energy
barriers
formate
production.
such
fundamental
understanding,
SAA
electrocatalyst
employed
fabricated
solar‐driven
electrolytic
cell
5‐hydroxymethylfurfural
oxidation,
achieving
an
outstanding
2,5‐furandicarboxylic
acid
yield
90.5%.
This
study
demonstrates
feasible
strategy
rationally
design
advanced
electrocatalysts
basic
principles
hybridization.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Sept. 14, 2023
Organic
electrocatalytic
conversion
is
an
essential
pathway
for
the
green
of
low-cost
organic
compounds
to
high-value
chemicals,
which
urgently
demands
development
efficient
electrocatalysts.
Here,
we
report
a
Cu
single-atom
dispersed
Rh
metallene
arrays
on
foam
cathodic
nitrobenzene
electroreduction
reaction
and
anodic
methanol
oxidation
reaction.
In
coupled
system,
Cusingle-atom-Rh
requires
only
low
voltages
1.18
V
reach
current
densities
100
mA
cm-2
generating
aniline
formate,
with
up
~100%
conversion/
selectivity
over
~90%
formate
Faraday
efficiency,
achieving
synthesis
chemicals.
Density
functional
theory
calculations
reveal
electron
effect
between
host
catalytic
mechanism.
The
synergistic
H*-spillover
can
improve
process
reduce
energy
barrier
process,
thus
enhancing
activity
target
product
selectivity.
Journal of Materials Chemistry A,
Journal Year:
2023,
Volume and Issue:
11(13), P. 6814 - 6819
Published: Jan. 1, 2023
In
single
atoms
confined
in
amorphous
MoO
3
(In
1
/a-MoO
)
are
reported
to
be
an
efficient
catalyst
for
NO
electroreduction
NH
,
attributed
the
ability
of
single-site
inhibit
hydrogen
evolution
and
optimize
NO-to-NH
hydrogenation
energetics.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(50)
Published: Aug. 27, 2023
Abstract
Single‐atom
catalysts
(SACs)
are
desirable
in
environmental
catalysis
due
to
friendliness,
structural
stability,
and
maximum
utilization
of
active
metal
sites.
Extensive
research
has
compared
the
catalytic
performance
between
SACs
with
different
single‐atom
metals.
However,
their
is
also
highly
dependent
on
supports,
which
play
an
important
role
modulating
local
coordination
environment
SACs.
Unfortunately,
a
comprehensive
review
that
systematically
discusses
relationship
supports
environment,
as
well
combined
effects
scare.
In
this
review,
three
widely
investigated
applications
including
advanced
oxidation
processes
(AOPs),
mainly
Fenton
Fenton‐like
reactions,
nitrate
reduction
reaction
(NO
3
RR)
focused.
By
correlating
characterization
results,
performances,
computational
environments
reactivity
examined
detail,
from
origin
pathways
AOPs
NO
RR
attempted
reveal.
Finally
look
forward
for
potential
opportunities
challenges
on‐demand
applications,
provided.
Inorganic Chemistry Frontiers,
Journal Year:
2023,
Volume and Issue:
10(5), P. 1543 - 1551
Published: Jan. 1, 2023
Ce-doped
and
MoS
2−x
nanoflower
arrays
exhibit
a
high
activity
for
electrocatalytic
nitrate-to-ammonia
conversion
(NO
3
RR),
attributed
to
the
synergy
of
S-vacancy
Ce-dopant
enhance
NO
−
activation
reduce
reaction
energy
barriers.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(6)
Published: Nov. 27, 2023
Abstract
Single‐atom
alloys
(SAAs)
show
great
potential
for
a
variety
of
electrocatalytic
reactions.
However,
the
atomic
orbital
hybridization
effect
SAAs
on
electrochemical
reactions
is
unclear
yet.
Herein,
in
situ
confinement
vanadium/molybdenum/tungsten
atoms
bismuth
nanosheet
shown
to
create
with
rich
grain
boundaries,
respectively.
With
detailed
analysis
microstructure
and
composition,
strong
p‐d
between
vanadium
enables
exceptional
performance
carbon
dioxide
(CO
2
)
reduction
Faradaic
efficiency
nearly
100%
C1
products
wide
range
from
−0.6
−1.4
V,
long‐term
electrolysis
stability
90
h.
In‐depth
investigations
theoretical
computations
reveal
that
electron
delocalization
toward
via
evokes
active
centers
efficient
CO
activation
σ‐donation
O‐to‐Bi,
thus
reduces
protonation
energy
barriers
formate
production.
such
fundamental
understanding,
SAA
electrocatalyst
employed
fabricated
solar‐driven
electrolytic
cell
5‐hydroxymethylfurfural
oxidation,
achieving
an
outstanding
2,5‐furandicarboxylic
acid
yield
90.5%.
This
study
demonstrates
feasible
strategy
rationally
design
advanced
electrocatalysts
basic
principles
hybridization.
