Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 21, 2025
Abstract
The
development
of
effective
strategies
to
enhance
the
activity
and
selectivity
Cu‐based
catalysts
for
CO
2
reduction
reaction
(CO
RR)
remains
a
critical
challenge,
particularly
on
relatively
inert
Cu
facets
that
are
highly
active
in
competitive
hydrogen
evolution
(HER).
In
this
study,
series
Cu‐M
(M
=
Au,
Ag,
Pd)
bimetallic
tandem
interfaces
fabricated
nanocolumn
arrays
(Cu
NCAs)
with
predominantly
exposed
(200)
facets.
These
excited
significant
number
+
species
modulated
adsorption
behavior
intermediates
RR,
resulting
improved
RR
substantial
HER.
Notably,
Cu‐Au,
Cu‐Ag,
Cu‐Pd
NCAs
displayed
excellent
C
H
4
,
CO,
HCOOH
products,
optimized
faradaic
efficiency
(FE)
≈43.2,
≈48.0,
≈50.7%,
respectively.
According
situ
spectroscopic
analysis,
each
interface
exhibited
distinct
catalytic
pathways:
Cu‐Au
favored
*COOH
*CO
followed
by
C‐C
coupling
production,
Cu‐Ag
promoted
desorption
generation,
facilitated
*OCHO
formation
production.
This
study
provides
strategy
design
high‐performance
more
practical
electrodes
directly
modifying
various
commercial
substrates.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(77), P. 10618 - 10628
Published: Jan. 1, 2024
Explores
C–C
coupling
in
CO
2
reduction,
focusing
on
atomic/electronic
structure
modulation,
electron
transfer,
adsorption,
and
carbon
chain
growth.
Optimizing
catalysts
enhances
for
multi-carbon
products.
The Journal of Physical Chemistry C,
Journal Year:
2024,
Volume and Issue:
128(12), P. 4862 - 4881
Published: Feb. 12, 2024
The
electroreduction
of
carbon
dioxide
(CO2)
using
copper-based
catalysts
presents
an
effective
strategy
for
reducing
greenhouse
gas
emissions
while
generating
lucrative
chemical
feedstocks.
Copper
(Cu)
has
emerged
as
one
the
most
efficient
CO2
(CO2ER)
due
to
its
abundant
availability,
high
selectivity,
and
low
cost.
extensively
researched
CO2ER
always
depend
heavily
on
valence
states
copper.
However,
performance
Cu
can
also
vary
significantly
depending
their
crystallographic
facets.
In
recent
years,
considerable
attention
been
directed
toward
understanding
role
crystal
facets
in
impact
electrocatalytic
CO2ER.
This
review
article
aims
provide
a
comprehensive
state
art
overview
literature
with
more
emphasis
facet-dependent
thin
films.
primary
focus
is
advancements
context
electroreduction,
enhancing
selectivity
C2
products
film
electrocatalyst.
Along
this,
brief
mention
mechanistic
investigations
included.
Finally,
perspective
this
research
direction
provided
addition.
Sensors,
Journal Year:
2024,
Volume and Issue:
24(13), P. 4423 - 4423
Published: July 8, 2024
The
research
on
automatic
monitoring
methods
for
greenhouse
gases
and
hazardous
gas
emissions
is
currently
a
focal
point
in
the
fields
of
environmental
science
climatology.
Until
2023,
amount
emitted
by
livestock
sector
accounts
about
11-17%
total
global
emissions,
with
enteric
fermentation
ruminants
being
main
source
gases.
With
escalating
problem
climate
change,
accurate
effective
has
become
top
priority.
Presently,
determination
emission
indices
relies
specialized
instrumentation
such
as
breathing
chambers,
greenfeed
systems,
methane
laser
detectors,
etc.,
each
characterized
distinct
principles,
applicability,
accuracy
levels.
This
paper
first
explains
mechanisms
effects
production
ruminant
focusing
methods,
advantages,
disadvantages
concentrations,
summary
existing
reveals
their
shortcomings,
limited
low
accuracy,
high
cost.
In
response
to
current
challenges
field
equipment
from
this
outlines
future
perspectives
aim
developing
more
efficient,
user-friendly,
cost-effective
instruments.
