Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
34(13)
Published: Dec. 21, 2023
Abstract
Photoreduction
of
CO
2
into
hydrocarbon
fuels
is
a
promising
avenue
for
achieving
sustainable
alternative
to
the
artificial
carbon
cycle.
Photocatalytic
conversion
chemical
transformation
photogenerated
carriers
and
adsorbed
at
active
sites
catalysts.
Active
can
regulate
kinetic
process
carriers,
control
adsorption
intermediates,
lower
activation
barriers,
promote
C‐C
coupling.
This
review
mainly
concentrates
on
efficiency
selectivity
regulation
target
products
through
construction
sites.
First,
principles
photoreduction,
such
as
influencing
factors
specific
pathways
monocarbon
multicarbon
(C
2+
)
formation,
are
discussed.
Then,
leading
works
focusing
improving
catalytic
regulating
product
introduction
highlighted,
concerning
underlying
mechanism
performance,
especially
C
generation.
Subsequently,
an
overview
currently
available
in
situ
techniques
theoretical
calculation
identifying
provided.
Finally,
challenges
emerging
strategies
achieve
recycling
from
scientific,
technical,
economic
perspectives
considered.
offers
deep
insight
site
with
atomic
precision
efficient
photocatalytic
generation
high
selectivity.
Small,
Journal Year:
2023,
Volume and Issue:
20(12)
Published: Nov. 6, 2023
Abstract
Crystalline
carbon
nitride
(CCN),
derived
from
amorphous
polymeric
CN,
is
considered
as
a
new
generation
of
metal‐free
photocatalyst
because
its
high
crystallinity.
In
order
to
further
promote
the
photocatalytic
performance
CCN,
p‐type
MnO
nanoparticles
are
in
situ
synthesized
and
merged
with
n‐type
CCN
through
one‐pot
process
form
p–n
heterojunction.
The
formed
interfacial
electric
field
between
semiconductors
different
work
functions
efficiently
breaks
coulomb
interaction
CCN.
prepared
catalysts
exhibit
drastically
increased
hydrogen
evolution
(PHE)
activity
integrated
oxidation
alkyl
aryl
alcohols
under
irradiation
visible
light.
aqueous
solution
benzyl
alcohol
(BzOH),
rate
over
MnO/CCN
(39.58
µmol
h
−1
)
nearly
7
times
37
that
pure
(5.76
CN
(1.06
),
respectively,
combining
BzOH
benzaldehyde.
This
proposes
an
avenue
for
construction
novel
2D
material‐based
S‐scheme
heterojunction
extends
application
solar
energy
conservation
utilization.
