Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 1, 2024
Abstract
Driving
efficient
artificial
photosynthesis
of
H
2
O
is
highly
desirable
in
both
academic
and
industrial
fields.
Here,
a
new
core–shell
Bi
3
TiNbO
9
@C
4
N
heterojunction
constructed
for
photocatalytic
production
by
situ
encapsulating
an
ultrathin
layer
covalent
organic
framework
material
(C
N)
on
Aurivillius‐type
microsheets.
The
porous
C
found
to
enhance
visible‐light
absorption
ability
facilitate
the
adsorption
activation
reactants
intermediates.
hybrid
follows
S‐scheme
charge
transfer
with
assistance
strong
internal
electric
field
(IEF),
which
promotes
spatial
separation
photogenerated
carriers
effectively
maintains
their
redox
abilities.
As
result,
optimized
unveils
high
yield
rate
1.25(2)
mmol
g
−1
h
absence
sacrificial
agents
cocatalyst,
10.9
3.5
folds
higher
than
those
pristine
catalysts,
respectively.
This
work
provides
strategy
decorate
frameworks
(COFs)
oxide
perovskites
,
may
stimulate
intensive
investigation
interests
functional
materials/COFs
materials
various
photocatalysis
applications.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(38), С. 25850 - 25859
Опубликована: Янв. 1, 2024
Conjugated
polymers
(CPs)
have
garnered
attention
for
their
tailorable
structural
properties,
particularly
in
the
context
of
efficient
photosynthetic
hydrogen
peroxide
(H
2
O
)
production.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 5, 2024
Abstract
Electrochemical
two‐electron
water
oxidation
reaction
(2e
−
WOR)
driven
by
renewable
energy
offers
an
attractive
route
to
produce
H
2
O
,
while
the
corresponding
electrocatalyst
still
requires
further
improvement
for
activity,
selectivity,
and
resulting
yield.
Surface‐interface
engineering
of
electrocatalysts
has
great
potential
advance
2e
WOR
performance.
This
review
provides
a
succinct
yet
comprehensive
insight
into
functional
mechanisms
surface‐interfacial
properties
affecting
performance
on
electrocatalyst.
The
Gibbs
free
theoretical
framework
related
surface
electronic
structure
interfacial
reactive
kinetics
mechanism
electrolyte,
electrode–electrolyte
interface
structure,
microenvironment
are
firstly
discussed.
Afterward,
various
surface‐interface
strategies
toward
high
including
regulation
have
been
overviewed.
Rational
manipulations
above
critical
design
highly
efficient
electrocatalysts,
leading
development
green
production.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 28, 2024
Abstract
Graphitized
carbon
nitride
(C
3
N
4
)‐based
photocatalysts
provide
a
prospective
approach
for
producing
hydrogen
peroxide
(H
2
O
)
in
artificial
photosynthesis.
However,
their
activity
is
constrained
by
the
sluggish
water
oxidation
reaction
(WOR)
process,
which
hampers
supply
of
protons
and
electrons
necessary
oxygen
reduction
reaction.
Here,
this
work
demonstrates
synergistic
redox
dual‐site
strategy
via
co‐modified
with
3,4,9,10‐perylenetetracarboxylic
acid
diimide
(PDI)
Pt
single
atoms
C
support,
achieves
an
exceptional
H
yield
802
µmol
g
−1
h
selectivity
91.8%
without
sacrificial
agents.
Mechanistic
studies
reveal
that
act
as
photogenerated
electron‐rich
sites
to
effectively
activate
form
superoxide
radicals,
PDI
promotes
WOR
driving
force
abundant
protons.
The
optimized
half‐reactions
improve
proton‐coupled
electron
transfer
thereby
enhancing
selective
photosynthesis
.
This
underscores
importance
finely
controlling
photocatalytic
processes
promote
efficient
overall
reactions.
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 1, 2024
Abstract
Driving
efficient
artificial
photosynthesis
of
H
2
O
is
highly
desirable
in
both
academic
and
industrial
fields.
Here,
a
new
core–shell
Bi
3
TiNbO
9
@C
4
N
heterojunction
constructed
for
photocatalytic
production
by
situ
encapsulating
an
ultrathin
layer
covalent
organic
framework
material
(C
N)
on
Aurivillius‐type
microsheets.
The
porous
C
found
to
enhance
visible‐light
absorption
ability
facilitate
the
adsorption
activation
reactants
intermediates.
hybrid
follows
S‐scheme
charge
transfer
with
assistance
strong
internal
electric
field
(IEF),
which
promotes
spatial
separation
photogenerated
carriers
effectively
maintains
their
redox
abilities.
As
result,
optimized
unveils
high
yield
rate
1.25(2)
mmol
g
−1
h
absence
sacrificial
agents
cocatalyst,
10.9
3.5
folds
higher
than
those
pristine
catalysts,
respectively.
This
work
provides
strategy
decorate
frameworks
(COFs)
oxide
perovskites
,
may
stimulate
intensive
investigation
interests
functional
materials/COFs
materials
various
photocatalysis
applications.
