Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 21, 2024
Abstract
Selective
photoreduction
of
carbon
dioxide
(CO
2
)
into
high‐value
C
products
remains
a
formidable
challenge
due
to
the
elusive
C−C
coupling
step.
Herein,
novel
concept
is
first
introduced
that
an
amorphous‐crystalline
hybrid
structure
can
galvanize
previously
inert
metal
atoms,
thereby
establishing
highly
active
dual
sites.
This
ingenious
configuration
promotes
coupling,
paving
way
for
CO
products.
Taking
Bi
MoO
6
nanosheets
anchored
by
amorphous
FeOOH
species
as
example,
X‐ray
photoelectron
spectroscopy
(XPS)
spectra
and
absorption
near
edge
density
functional
theoretical
(DFT)
calculations
confirm
electron
transfer
from
nanosheets.
Thus,
introduction
activates
nonoperative
sites
construction
Bi−Mo
sites,
verified
in
situ
XPS
DFT
calculations.
Gibbs
free
energy
revealed
formation
barrier
hugely
lowed
3.41
0.45
eV
thanks
presence
species.
Therefore,
FeOOHBi
are
game
changer,
delivering
sole
liquid
product,
acetic
acid,
with
impressive
selectivity
≈86.9%.
In
contrast,
lag
behind,
only
capable
producing
monoxide
photoreduction.
ChemCatChem,
Journal Year:
2024,
Volume and Issue:
16(9)
Published: Jan. 5, 2024
Abstract
Transitioning
from
fossil
fuels
to
renewable
energy
sources
is
demanded
due
the
gradual
depletion
of
petroleum
oil/gas
and
environmental
impact
carbon
dioxide
(CO
2
)
emissions
into
atmosphere.
Electrocatalytic
photocatalytic
CO
reduction
methane
(CH
4
using
crucial
for
sustainable
chemical/fuel
production
greenhouse
gas
reduction.
In
recent
years,
extensive
research
has
focused
on
understanding
fundamental
aspects
two
approaches,
such
as
reaction
mechanisms
active
sites,
exploring/designing
novel
catalytic
materials.
This
review
initially
discusses
fundamentals,
including
performance
evaluation
indexes,
reactors,
mechanisms,
understand
reactions.
Subsequently,
various
catalyst
preparation
strategies
characterization
methods
are
summarized,
trying
outline
design
principle
based
obtained
mechanisms.
Finally,
challenges
perspectives
future
development
in
this
area
discussed
presented.
It
expected
provide
a
comprehensive
photo/electrocatalytic
methanation,
valuable
knowledge
novice
researchers,
helpful
reference
endeavors.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 21, 2024
Abstract
Selective
photoreduction
of
carbon
dioxide
(CO
2
)
into
high‐value
C
products
remains
a
formidable
challenge
due
to
the
elusive
C−C
coupling
step.
Herein,
novel
concept
is
first
introduced
that
an
amorphous‐crystalline
hybrid
structure
can
galvanize
previously
inert
metal
atoms,
thereby
establishing
highly
active
dual
sites.
This
ingenious
configuration
promotes
coupling,
paving
way
for
CO
products.
Taking
Bi
MoO
6
nanosheets
anchored
by
amorphous
FeOOH
species
as
example,
X‐ray
photoelectron
spectroscopy
(XPS)
spectra
and
absorption
near
edge
density
functional
theoretical
(DFT)
calculations
confirm
electron
transfer
from
nanosheets.
Thus,
introduction
activates
nonoperative
sites
construction
Bi−Mo
sites,
verified
in
situ
XPS
DFT
calculations.
Gibbs
free
energy
revealed
formation
barrier
hugely
lowed
3.41
0.45
eV
thanks
presence
species.
Therefore,
FeOOHBi
are
game
changer,
delivering
sole
liquid
product,
acetic
acid,
with
impressive
selectivity
≈86.9%.
In
contrast,
lag
behind,
only
capable
producing
monoxide
photoreduction.