ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(17), P. 20714 - 20722
Published: Aug. 21, 2024
Cd0.8Mn0.2S
is
a
ternary
particulate
chemical
substance
that
faces
significant
challenges
with
carrier
recombination
in
the
field
of
photocatalysis.
To
address
this
issue,
we
formed
an
internal
electric
and
constructed
S-scheme
heterojunctions
using
Cu2O
nanoparticles,
thereby
reducing
rate
photogenerated
carriers.
We
synthesized
hydrothermal
method,
followed
by
employing
ultrasonic
self-assembly
to
closely
couple
Cu2O.
In
configuration,
acts
as
electron
acceptor
donor.
The
Cd0.8Mn0.2S/Cu2O
structure
forms
tight
interface,
providing
shortest
transfer
distance
for
migration.
heterojunction
strategy
effectively
lowers
reaction
barriers
facilitates
vectorial
separation
Under
10
W
white
light
illumination,
composite
photocatalyst
demonstrates
remarkable
hydrogen
evolution
activity,
achieving
production
40.06
mmol·g–1·h–1.
This
interface
paves
way
structural
design
large-scale
application
highly
active
visible
photocatalysts.
ACS Catalysis,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1112 - 1122
Published: Jan. 3, 2025
The
hydrogenation
of
CO2
into
high-value
chemistry
is
seen
as
one
the
viable
strategies
for
solving
energy
crisis
future.
Light
olefins
have
attracted
considerable
attention
basic
feedstocks
in
industry.
In
this
work,
a
series
Fe–Co
bimetallic
active
site
catalysts
were
constructed
by
typical
sol–gel
strategy.
synergistic
regulation
layout
catalyst
highly
interfaces
and
exhibited
high
conversion
(56.9%)
CO2,
low
CO
selectivity
(3.6%),
(40.5%)
light
olefins,
remarkable
yield
(22.2%).
results
associated
characterization
analysis
indicate
that
activity
formed
sites
are
fundamental
reason
olefins.
introduction
cobalt
drive
RWGS
reaction
forward
(Le
Chatelier's
Principle),
which
further
enhances
conversion.
addition,
dynamic
evolution
physical
phase
structure,
elemental
composition
valence,
H2
adsorption
ability,
formation
process
during
analyzed
situ
DRIFT
spectra
other
characterizations,
potential
mechanism
to
proposed.
This
work
provides
an
effective
rational
design
strategy
bimetals
with
promote
efficient
oriented
synthesis
Small,
Journal Year:
2024,
Volume and Issue:
20(45)
Published: July 27, 2024
Abstract
Modulating
the
electronic
properties
of
transition
metal
sites
in
photocatalysts
at
atomic
level
is
essential
for
achieving
high‐activity
carbon
dioxide
photoreduction
(CO
2
PR).
An
strategy
herein
proposed
to
engineer
In‐d‐band
center
InVO
4
by
incorporating
MnO
x
nanoparticles
and
oxygen
vacancies
(V
O
)
into
holey
nanobelts
(MnO
/V
‐InVO
),
which
synergistically
modulates
a
moderate
consequently
leads
high‐efficiency
CO
PR.
The
catalyst
with
optimized
property
exhibits
single
evolution
rate
up
145.3
µmol
g
−1
h
monoxide
(CO)
product
selectivity
92.6%,
coming
out
front
reported
‐based
materials.
It
discovered
that
modulated
favors
interaction
between
In
their
intermediates,
thereby
improves
thermodynamics
kinetics
PR‐to‐CO
reaction.
This
work
not
only
demonstrates
effective
engineering
d
orbital
low‐coordination
atoms
promote
PR,
but
also
paves
way
application
tuning
d‐band
develop
catalysts.
