Plasmonic Cu-supported amorphous RuP for efficient photothermal CO2 hydrogenation to CO
RSC Advances,
Год журнала:
2025,
Номер
15(3), С. 1658 - 1664
Опубликована: Янв. 1, 2025
Plasmonic
Cu-supported
amorphous
RuP
for
efficient
photothermal
CO
2
hydrogenation
to
CO.
Язык: Английский
Low-Valent Molybdenum sites as Active Hydrogen Traps in TiO2 for Facilitating High-Selectivity Photocatalytic Nitrate Synthesis from NO
Journal of Alloys and Compounds,
Год журнала:
2025,
Номер
unknown, С. 180314 - 180314
Опубликована: Апрель 1, 2025
Язык: Английский
Enhanced Photo‐Thermal CO2 Methanation with Tunable RuxNi1‐x Catalytic Sites: Alloying Beyond Pure Ru
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 15, 2024
Abstract
Developing
solid‐solution
nano‐alloys
from
immiscible
metals
has
garnered
significant
interest;
however,
the
high
formation
entropy
poses
substantial
challenges
in
synthesis,
hindering
a
comprehensive
understanding
of
catalytic
mechanisms
under
alloying
effects.
Herein,
synthesis
small‐sized
(≈2.5
nm)
Ru
x
Ni
1‐x
alloy
nanoparticles
with
precisely
controlled
Ru/Ni
ratios
across
broad
compositional
range
is
reported
for
first
time,
despite
their
bulk
immiscibility.
The
0.76
0.24
/TiO
2
catalyst,
an
optimized
ratio,
delivers
superior
photo‐thermal
activity
CO
methanation,
achieving
CH
4
production
rate
3.58
mol
g
metal
−1
h
94%
selectivity
at
250
°C
light
irradiation,
representing
2.82‐fold
enhancement
over
monometallic
Ru/TiO
.
Comprehensive
investigations
reveal
that
reconstruction
electronic
structure
Ru–Ni
active
sites
enhances
adsorption/activation
reactants,
promotes
transformation
intermediate
HCO
3
*
to
HCOO
,
and
facilitates
separation
photo‐generated
charge
carriers
witnessed
by
femtosecond
time‐resolved
transient
absorption
(fs‐TA)
spectroscopy.
These
combined
effects
collectively
result
significantly
enhanced
performance.
This
work
highlights
potential
regulating
combinations
conversion,
underscoring
promise
these
cost‐effective
alloys
heterogeneous
catalysis.
Язык: Английский
Carbon-Supported Fe-Based Catalyst for Thermal-Catalytic CO2 Hydrogenation into C2+ Alcohols: The Effect of Carbon Support Porosity on Catalytic Performance
Molecules,
Год журнала:
2024,
Номер
29(19), С. 4628 - 4628
Опубликована: Сен. 29, 2024
Carbon
materials
supported
Fe-based
catalysts
possess
great
potential
for
the
thermal-catalytic
hydrogenation
of
CO
Язык: Английский
Developing Heterogeneous Catalysts for Reverse Water–Gas Shift Reaction in CO2 Valorization
Korean Journal of Chemical Engineering,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 5, 2024
Abstract
Carbon
dioxide
capture
and
utilization
(CCU)
in
chemical
processes
is
vital
for
achieving
sustainable
economically
viable
solutions
the
context
of
climate
change
mitigation.
This
review
focuses
on
reverse
water–gas
shift
(RWGS)
reaction
as
a
promising
pathway
converting
CO₂
into
carbon
monoxide
(CO),
which
can
subsequently
be
used
precursor
synthesis
various
hydrocarbon
compounds.
The
discussion
centers
catalyst
design
strategies
aimed
at
enhancing
low-temperature
activity
RWGS
reaction,
emphasizing
roles
supports
active
sites.
Key
approaches
include
increasing
surface
area,
introducing
defect
sites,
improving
redox
properties
catalysts.
Methods
controlling
adsorption
strength
gas
reactants
products
to
enhance
CO
selectivity
are
explored,
with
particular
attention
use
ligands,
promoters,
doping,
advanced
structures
such
single-atom
or
core–shell
configurations.
Considerations
regarding
durability
reducing
environments
development
feasible
catalysts
also
addressed.
Well-designed
offer
significant
advantages
valorization,
conversion
hydrocarbons
more
readily
achieved
starting
from
CO.
Язык: Английский