Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 25, 2025
Transition
metals
are
renowned
for
their
effective
catalytic
properties.
Incorporating
transition
into
halide
perovskite
derivatives
is
a
key
strategy
tuning
the
properties
of
perovskites
to
enhance
photocatalytic
performance.
Understanding
d-orbital
occupancy
and
spin
activity
these
in
CO2
photoreduction
process
essential
fully
realizing
potential
materials.
In
this
study,
layered
synthesized
using
cobalt
(Co)
copper
(Cu)
as
metal
components.
We
observed
that
Cu
Co
exhibit
complementary
absorption
attributed
configuration.
Additionally,
(DMAP)2CuCl4
(DMAP
=
4-Dimethylaminopyridine)
exhibited
highest
performance
with
remarkable
selectivity
CH4
formation
(≈97%).
Pressure-dependent
experiments
showed
higher
pressures
by
improving
saturation
adsorption,
accelerating
reaction
rate
boosting
product
yield.
The
ferromagnetism,
hysteresis,
strong
species
detection
carrier
separation
charge
availability,
conversion
efficiency.
Further,
first-principles-based
atomistic
computations
reveal
more
delocalized
conduction
band
edge
makes
mobile
electrons
available
reduction
(DMAP)2CuX4.
These
findings
guide
design
selective
photocatalysts
highlight
sustainable
energy
solutions.
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 10, 2025
Abstract
Heterojunctions,
known
for
their
decent
separation
of
photo‐generated
electrons
and
holes,
are
promising
photocatalytic
CO
2
reduction.
However,
a
significant
obstacle
in
traditional
post‐assembled
heterojunctions
is
the
high
interfacial
barrier
charge
transfer
caused
by
atomic
lattice
mismatch
at
multiphase
interfaces.
Here,
as
research
prototypes,
study
creates
lattice‐matched
co‐atomic
interface
within
CsPbBr
3
‐CsPb
Br
5
polytypic
nanocrystals
(113‐125
PNs)
through
proposed
situ
hybrid
strategy
to
elucidate
underlying
mechanism
this
unique
interface.
Compared
nanocrystals,
113–125
PNs
exhibit
remarkable
3.6‐fold
increase
reduction
activity
(173.3
µmol
−1
g
h).
Furthermore,
Kelvin
probe
force
microscopy
results
reveal
an
built‐in
electric
field
from
43.5
68.7
mV,
providing
stronger
driving
directional
migration.
Additionally,
ultrafast
transient
absorption
spectroscopy
uncovers
additional
carrier
pathways
across
Thus,
significantly
promotes
electronic
coupling
mitigates
barrier,
thus
facilitating
efficient
transfer.
These
insights
underscore
importance
structure
heterojunction
design
comprehending
intricate
interplay
between
dynamics.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 25, 2025
Transition
metals
are
renowned
for
their
effective
catalytic
properties.
Incorporating
transition
into
halide
perovskite
derivatives
is
a
key
strategy
tuning
the
properties
of
perovskites
to
enhance
photocatalytic
performance.
Understanding
d-orbital
occupancy
and
spin
activity
these
in
CO2
photoreduction
process
essential
fully
realizing
potential
materials.
In
this
study,
layered
synthesized
using
cobalt
(Co)
copper
(Cu)
as
metal
components.
We
observed
that
Cu
Co
exhibit
complementary
absorption
attributed
configuration.
Additionally,
(DMAP)2CuCl4
(DMAP
=
4-Dimethylaminopyridine)
exhibited
highest
performance
with
remarkable
selectivity
CH4
formation
(≈97%).
Pressure-dependent
experiments
showed
higher
pressures
by
improving
saturation
adsorption,
accelerating
reaction
rate
boosting
product
yield.
The
ferromagnetism,
hysteresis,
strong
species
detection
carrier
separation
charge
availability,
conversion
efficiency.
Further,
first-principles-based
atomistic
computations
reveal
more
delocalized
conduction
band
edge
makes
mobile
electrons
available
reduction
(DMAP)2CuX4.
These
findings
guide
design
selective
photocatalysts
highlight
sustainable
energy
solutions.
