Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(49)
Published: Aug. 28, 2024
Abstract
Photocatalytic
water
splitting
using
semiconductors
is
a
promising
approach
for
converting
solar
energy
to
clean
energy.
However,
challenges
such
as
sluggish
oxidation
kinetics
and
limited
light
absorption
of
photocatalyst
cause
low
solar‐to‐hydrogen
conversion
efficiency
(STH).
Herein,
we
develop
photocatalytic
overall
system
I
3
−
/I
the
shuttle
redox
couple
bridge
H
2
‐producing
half‐reaction
with
O
half‐reaction.
The
uses
halide
perovskite
benzylammonium
lead
iodide
(PMA
PbI
4
,
PMA=C
6
5
CH
NH
)
loaded
MoS
/MoS
evolution
photocatalyst,
RuO
x
‐loaded
WO
(WO
/RuO
achieving
/O
production
in
stoichiometric
ratio
an
excellent
STH
2.07
%.
This
work
provides
detour
route
help
HI
enlightens
one
integrate
utilize
multi
catalytic
strategies
solar‐driven
splitting.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 3, 2024
Abstract
Graphitic
carbon
nitride
(gC
3
N
4
)
is
an
attractive
photocatalyst
for
solar
energy
conversion
due
to
its
unique
electronic
structure
and
chemical
stability.
However,
gC
generally
suffers
from
insufficient
light
absorption
rapid
compounding
of
photogenerated
charges.
The
introduction
defects
atomic
doping
can
optimize
the
improve
carrier
separation
efficiency.
Herein,
high
efficiency
photocatalysis
hydrogen
evolution
in
visible
achieved
by
S‐modified
double‐deficient
site
strategy.
Defect
engineering
forms
abundant
unsaturated
sites
cyano
(─C≡N),
which
promotes
strong
interlayer
C─N
bonding
interactions
accelerates
charge
transport
.
S
tunes
semiconductors,
formation
C─S─C
bonds
optimizes
electron‐transfer
paths
bonding,
enhances
light.
Meanwhile,C≡N
acts
as
electron
trap
capture
photoexcited
electrons,
providing
active
reduction
H
+
hydrogen.
photocatalytic
SDCN
(1613.5
µmol
g
−1
h
31.5
times
higher
than
that
pristine
MCN
(51.2
).
situation
transfer
mechanism
photocatalysts
are
investigated
detail
a
combination
experimental
theoretical
calculations.
Chemical Society Reviews,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Regulating
the
ferroelectric
polarization
in
catalysts
is
an
emerging
strategy
to
advance
water
splitting
reactions,
with
merits
of
high
charge
transfer
rate,
creation
real
active
sites,
and
optimizing
chemisorption
energy.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(49)
Published: Aug. 28, 2024
Abstract
Photocatalytic
water
splitting
using
semiconductors
is
a
promising
approach
for
converting
solar
energy
to
clean
energy.
However,
challenges
such
as
sluggish
oxidation
kinetics
and
limited
light
absorption
of
photocatalyst
cause
low
solar‐to‐hydrogen
conversion
efficiency
(STH).
Herein,
we
develop
photocatalytic
overall
system
I
3
−
/I
the
shuttle
redox
couple
bridge
H
2
‐producing
half‐reaction
with
O
half‐reaction.
The
uses
halide
perovskite
benzylammonium
lead
iodide
(PMA
PbI
4
,
PMA=C
6
5
CH
NH
)
loaded
MoS
/MoS
evolution
photocatalyst,
RuO
x
‐loaded
WO
(WO
/RuO
achieving
/O
production
in
stoichiometric
ratio
an
excellent
STH
2.07
%.
This
work
provides
detour
route
help
HI
enlightens
one
integrate
utilize
multi
catalytic
strategies
solar‐driven
splitting.
Interdisciplinary materials,
Journal Year:
2024,
Volume and Issue:
3(4), P. 530 - 564
Published: May 26, 2024
Abstract
The
critical
challenges
of
the
energy
crisis
and
environmental
degradation
promote
innovative
approaches
for
conversion.
Semiconductor‐based
photocatalytic
technology,
which
transforms
solar
into
chemical
energy,
emerges
as
a
promising
solution.
However,
practical
application
this
technology
faces
several
challenges,
such
rapid
recombination
photogenerated
electrons
holes,
significantly
limiting
efficiency.
In
review,
we
provide
detailed
discussion,
an
insightful
perspective,
evaluation
recent
advances,
opportunities
in
field
photocatalysis
using
polar
materials.
We
present
comprehensive
examination
mechanisms,
activity,
diverse
applications
photocatalysts
based
on
also
briefly
discuss
engineering
design
experiments
its
scalability
industry.
This
review
outlines
future
trends
potential
breakthroughs
materials,
projecting
their
transformative
impact
chemistry
engineering.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 4, 2024
Abstract
We
demonstrate
an
electrostatic
confinement‐induced
charge
transfer
pathway
in
a
supramolecular
photocatalyst
comprising
of
ionic
covalent
organic
framework
(COF)
and
cationic
metal
complexes.
The
dynamic
interactions
not
only
attract
cations
around
the
COF
to
accept
photogenerated
electrons,
but
also
allow
for
retention
homogeneous
catalytic
characters
complexes,
making
subtle
balance.
Accordingly,
confinement
effect
facilitates
forward
electron
from
photoexcited
Co
complex,
realizing
remarkable
photocatalytic
CO
2
reduction
performance.
Its
efficiency
is
far
superior
counterparts
with
Van‐der‐Waals
or
hydrogen
bonding
interactions.
This
work
presents
insight
enhancing
systems,
provides
effective
approach
construction
highly
efficient
photocatalysts.
Nano Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 14, 2025
Cocatalyst
engineering
is
critical
for
advancing
photocatalysis,
as
it
suppresses
charge
carrier
recombination,
promotes
interfacial
electron/hole
extraction,
and
serves
active
sites
redox
reactions.
However,
the
incompatibility
existing
between
cocatalyst
host
photocatalyst,
along
with
its
intrinsic
properties
of
sites,
limits
further
improvements
in
separation,
surface
reaction
kinetics,
overall
performance.
Herein,
we
introduce
palladium
hydrides
(PdHx)
an
efficient
on
SrTiO3
(STO)
photocatalytic
water
splitting,
owing
to
their
similar
lattice
parameters.
The
constructed
PdHx/STO
demonstrates
a
remarkable
6.4-fold
enhancement
hydrogen
evolution
compared
Pd/STO
control,
reaching
rate
5
mmol·g-1·h-1
at
stoichiometric
H2/O2
ratio
2:1.
Structural
characterizations
theoretical
analyses
prove
that
situ
formed
PdHx
feature
advantages
accelerated
electron
extraction
modulated
adsorption
energies
evolution;
femtosecond
transient
absorption
spectroscopy
reveals
prolonged
lifetime
improved
transfer
efficiency.
