ChemCatChem,
Journal Year:
2024,
Volume and Issue:
16(14)
Published: Jan. 25, 2024
Abstract
CO
2
emissions
have
received
a
great
deal
of
attention
in
recent
years.
The
hydrogenation
to
higher
alcohols
(HA)
by
heterogeneous
catalysis
is
promising
artificial
carbon
cycle
pathway,
which
has
important
significance
for
mitigating
energy
and
environmental
problems.
Among
the
catalysts,
supported
catalysts
exhibit
unique
catalytic
activity
due
their
abundance
surface‐tunable
active
sites
such
as
oxygen
vacancies,
surface
acidic/basic
sites,
hydroxyl
groups.
Given
complexity
reaction
networks,
however,
it
very
challenging
reveal
nature
role
interfaces/sites
induced
oxide
support.
Herein,
we
review
progress
several
common
supports
HA
over
last
decades,
illustrate
regulatory
mechanisms
oxide‐induced
synergy
on
activation
intermediates
C−C
coupling
reactions.
Based
this,
also
discuss
present
challenges
associated
with
synthesis
from
hydrogenation,
well
thinking
oriented
support‐induced
structure
changes
improve
selectivity
productivity
HA.
Chemical Society Reviews,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
The
thermocatalytic
conversion
of
CO2
with
green
or
blue
hydrogen
into
valuable
energy
and
commodity
chemicals
such
as
alcohols,
olefins,
aromatics
emerges
one
the
most
promising
strategies
for
mitigating
global
warming
concerns
in
future.
This
process
can
follow
either
a
CO2-modified
Fischer-Tropsch
synthesis
route
methanol-mediated
route,
latter
being
favored
its
high
product
selectivity
beyond
Anderson-Schulz-Flory
distribution.
Despite
progress
CO2-led
over
bifunctional
metal/zeolite
catalysts,
challenges
persist
developing
catalysts
both
activity
due
to
complexity
hydrogenation
reaction
networks
difficulty
controlling
C-O
bond
activation
C-C
coupling
on
multiple
active
sites
within
zeolites.
Moreover,
different
construction
proximity
modes
bifunctionality
involving
redox-based
metallic
acidic
zeolite
have
been
explored,
which
not
systematically
reviewed
derive
reliable
structure-reactivity
relationships.
To
bridge
this
"knowledge
gap",
review,
we
will
provide
comprehensive
critical
overview
contemporary
research
zeolite-confined
metal
alcohol
zeolite-based
tandem/cascade
catalytic
systems
C2+
hydrocarbons
via
route.
Accordingly,
special
emphasis
be
placed
evaluating
how
confinement
effects
"redox-acid"
influence
outcomes,
particularly
regarding
selectivity,
has
also
analyzed
from
mechanistic
standpoint.
review
examine
synergistic
interactions
among
various
catalyst
components
that
govern
catalysis,
offering
insights
rational
design
new
improved
systems.
By
discussing
current
recognizing
future
opportunities
using
aims
contribute
advancement
sustainable
efficient
processes
valorization.
ACS Sustainable Chemistry & Engineering,
Journal Year:
2024,
Volume and Issue:
12(8), P. 3322 - 3330
Published: Feb. 9, 2024
The
conversion
of
CO2
to
higher
alcohols
(HA)
is
a
sustainable
way
for
utilization,
but
the
development
an
efficient
catalyst
with
multifunctional
active
sites
regulate
C–C
coupling
process
remains
great
challenge.
Herein,
we
report
Fe
modified
highly
dispersed
K
and
Pd
synthesis
HA.
optimal
0.3K-1Pd/Fe2O3
displays
best
catalytic
performance
HA
STY
48
mg
gcat–1
h–1
at
320
°C,
5
MPa,
6
L
h–1,
which
3.5
times
that
1Pd/Fe2O3
35
0.3K/Fe2O3
catalyst.
We
found
in
situ
generated
PdFe
alloy
synergistically
stabilize
iron
carbide
phase,
responsible
CO
dissociation
alkyl
formation,
while
acts
as
site
nondissociative
activation
insertion.
Appropriate
amounts
can
balance
CO*
CHx*
species
on
surface,
effectively
facilitates
synthesize
ChemCatChem,
Journal Year:
2024,
Volume and Issue:
16(9)
Published: Jan. 5, 2024
Abstract
Composite
materials
integrating
precious
metals
(Au,
Ag,
Pd,
Pt,
Ru,
Rh,
Ir)
with
CeO
2
,
a
rare
earth
metal
oxide,
are
increasingly
utilized
in
photocatalytic
CO
reduction.
notable
for
its
redox
characteristics,
oxygen
storage
capacity
(OSC),
and
abundant
vacancies
(O
v
),
emerges
as
key
player
semiconductor
catalyst
research.
The
selection
of
their
application
techniques
crucial
modifying
′s
wide
bandgap
enhancing
light
absorption,
thereby
influencing
the
efficiency.
Approaches
incorporating
onto
include
single
atoms,
clusters,
nanoparticles.
This
review
provides
an
in‐depth
analysis
progress
composite
photocatalysts
comprising
It
examines
diverse
modification
strategies,
such
particle
size
adjustment
heterojunction
formation.
concisely
elucidates
principles
behind
converting
into
high‐value
products
(hydrocarbons,
C1,
C2,
C2+).
Lastly,
it
addresses
challenges
future
directions
metal‐CeO
catalysts
Journal of Materials Chemistry A,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
The
CO
2
reduction
to
ethanol
properties
of
dual-atoms
anchored
on
Ti
are
explored.
Co–Fe/Ti
emerges
as
optimal
catalyst,
exhibiting
superior
selectivity/activity
via
Co
electronic
delocalization
for
enhanced
intermediate
adsorption.
