Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(47)
Published: Aug. 14, 2024
Abstract
The
electrochemical
conversion
of
CO
2
into
valuable
chemicals
is
a
promising
route
for
renowable
energy
storage
and
the
mitigation
greenhouse
gas
emission,
production
multicarbon
(C
2+
)
products
highly
desired.
Here,
we
report
1.4
%Pd−Cu@CuPz
comprising
dispersive
CuO
x
PdO
dual
nanoclusters
embedded
in
MOF
CuPz
(Pz=Pyrazole),
which
achieves
high
C
Faradaic
efficiency
(FE
C2+
81.9
%
alcohol
FE
47.5
with
remarkable
stability
when
using
0.1
M
KCl
aqueous
solution
as
electrolyte
typical
H‐cell.
Particularly,
obviously
improved
on
compared
to
Cu@CuPz
.
Theoretical
calculations
have
revealed
that
enhanced
interfacial
electron
transfer
facilitates
adsorption
*CO
intermediate
*CO−*CO
dimerization
Cu−Pd
sites
bridged
by
Cu
nodes
Additionally,
oxophilicity
Pd
can
stabilize
key
*CH
CHO
promote
subsequent
proton‐coupled
more
efficiently,
confirming
formation
pathway
skew
towards
*C
H
5
OH.
Consequently,
play
synergistic
tandem
role
cooperatively
improving
selectivity
accelerating
reductive
The Innovation,
Journal Year:
2025,
Volume and Issue:
6(2), P. 100778 - 100778
Published: Jan. 18, 2025
Traditional
fossil
fuels
significantly
contribute
to
energy
supply,
economic
development,
and
advancements
in
science
technology.
However,
prolonged
extensive
use
of
has
resulted
increasingly
severe
environmental
pollution.
Consequently,
it
is
imperative
develop
new,
clean,
pollution-free
sources
with
high
density
versatility
as
substitutes
for
conventional
fuels,
although
this
remains
a
considerable
challenge.
Simultaneously,
addressing
water
pollution
critical
concern.
The
design,
optimization
functional
nanomaterials
are
pivotal
advancing
new
solutions
pollutant
remediation.
Emerging
porous
framework
materials
such
metal-organic
frameworks
(MOFs)
covalent
organic
(COFs),
recognized
exemplary
crystalline
materials,
exhibit
potential
applications
due
their
specific
surface
area,
adjustable
pore
sizes
structures,
permanent
porosity,
customizable
functionalities.
This
work
provides
comprehensive
systematic
review
the
MOFs,
COFs,
derivatives
emerging
technologies,
including
oxygen
reduction
reaction,
evolution
hydrogen
lithium-ion
batteries,
remediation
carbon
dioxide
reaction
management.
In
addition,
strategies
performance
adjustment
structure-effect
relationships
these
explored.
Interaction
mechanisms
summarized
based
on
experimental
discussions,
theoretical
calculations,
advanced
spectroscopy
analyses.
challenges,
future
prospects,
opportunities
tailoring
presented.
Journal of the American Chemical Society,
Journal Year:
2023,
Volume and Issue:
145(48), P. 26444 - 26451
Published: Nov. 22, 2023
Metal-organic
frameworks
(MOFs)
possess
well-defined,
designable
structures,
holding
great
potential
in
enhancing
product
selectivity
for
electrochemical
CO2
reduction
(CO2R)
through
active
site
engineering.
Here,
we
report
a
novel
MOF
catalyst
featuring
pyrazolate-stabilized
asymmetric
Ni/Cu
sites,
which
not
only
maintains
structural
stability
under
harsh
conditions
but
also
exhibits
extraordinarily
high
ethylene
(C2H4)
during
CO2R.
At
cathode
of
-1.3
V
versus
RHE,
our
catalyst,
denoted
as
Cu1Ni-BDP,
manifests
C2H4
Faradaic
efficiency
(FE)
52.7%
with
an
overall
current
density
0.53
A
cm-2
1.0
M
KOH
electrolyte,
surpassing
that
on
prevailing
Cu-based
catalysts.
More
remarkably,
the
Cu1Ni-BDP
stable
performance
4.5%
FE
25
h
electrolysis.
suite
characterization
tools─such
high-resolution
transmission
electron
microscopy,
X-ray
absorption
spectroscopy,
operando
diffraction,
and
infrared
spectroscopy─and
functional
theory
calculations
collectively
reveal
cubic
pyrazolate-metal
coordination
structure
Ni-Cu
sites
synergistically
facilitate
formation
from
CO2.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(44)
Published: July 2, 2023
Abstract
Metal
nanoclusters
(MNCs)
are
compositionally
well‐defined
and
also
structurally
precise
materials
with
unique
molecule‐like
properties
discrete
electronic
energy
levels.
Atomically
ligand‐protected
Cu
(LP‐CuNCs)
one
category
of
typical
MNCs
that
usually
demonstrate
geometric
structures
to
serve
as
electrocatalysts.
However,
the
synthesis,
application,
well
structure‐performance
relationship
LP‐CuNCs
not
adequately
studied.
Significantly,
ligands
essential
structure,
crystal
size,
structure
LP‐CuNCs,
which
determine
their
physiochemical
applications.
In
this
review,
significant
progress
in
ligand
design
application
electrocatalytic
reactions
is
introduced.
The
general
basics
(LP‐MNCs)
first
introduced
functions
emphasized.
Subsequently,
a
series
different
for
including
thiolates,
phosphines,
alkynyl,
polymers,
biomolecules
highlighted.
Thereafter,
applications
discussed.
It
believed
review
will
only
inspire
synthesis
novel
but
contribute
extension
establishment
accurate
relationships.
Small Methods,
Journal Year:
2023,
Volume and Issue:
7(9)
Published: May 31, 2023
Abstract
CO
2
conversion
is
an
anticipated
route
to
resolve
the
energy
crisis
and
environmental
pollution,
in
which
electrocatalysis
one
of
technologies
closest
industrialization.
Alloy
catalysts
are
promising
candidates
for
electrocatalysis,
high
tenability
electronic
structures
surface
physical
chemical
properties
allows
alloy
catalytic
activity
selectivity
electrocatalytic
reduction.
Herein,
recent
advances
reduction
have
been
systematically
summarized,
with
insight
into
structure
active
center,
performance,
mechanism,
uncover
key
their
performance.
The
mainly
classified
as
binary
multi‐metallic
alloys
(medium
entropy
alloy)
based
on
components
mixed
configuration
entropy,
relationship
among
mechanism
has
fully
discussed
inspire
rational
design
catalysts.
Finally,
current
challenges
future
perspectives
presented
propose
dilemma
development
direction
This
review
provides
overview
about
progress
present
a
guideline
research
work
relevant
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
63(2)
Published: Nov. 28, 2023
Abstract
Modulation
of
the
microenvironment
on
electrode
surface
is
one
effective
means
to
improve
efficiency
electrocatalytic
carbon
dioxide
reduction
(eCO
2
RR).
To
achieve
high
conversion
rates,
phase
boundary
at
should
be
finely
controlled
overcome
limitation
CO
solubility
in
aqueous
electrolyte.
Herein,
we
developed
a
simple
and
efficient
method
structure
electrocatalyst
with
superhydrophobic
by
one‐step
co‐electrodeposition
Cu
polytetrafluoroethylene
(PTFE)
paper.
The
super‐hydrophobic
Cu‐based
displayed
ethylene
(C
H
4
)
selectivity
Faraday
(FE)
67.3
%
−1.25
V
vs.
reversible
hydrogen
(RHE)
an
H‐type
cell,
which
2.5
times
higher
than
regular
without
PTFE.
By
using
PTFE
as
modifier,
activity
eCO
RR
enhanced
water
(proton)
adsorption
inhibited.
This
strategy
has
potential
applied
other
gas‐conversion
electrocatalysts.
Green Chemistry,
Journal Year:
2024,
Volume and Issue:
26(5), P. 2599 - 2604
Published: Jan. 1, 2024
The
stabilized
amorphous
Al
2
O
3
phase
stabilizes
the
Cu
+
site
through
oxidation
state
control,
thereby
improving
selectivity
and
activity
for
production
of
C
2+
product.
