Two-dimensional
(2D)
porous
semiconductors
with
rich
pores
on
their
surface
have
presented
great
potential
in
photocatalysis
fields
by
fantastic
structural
merits.
In
comparison
to
the
bulk
photocatalysts,
2D
semiconductor
photocatalysts
display
several
obvious
merits
including
a
shortened
charge
shift
route,
facilitated
mass
transportation
channels,
abundant
active
centers,
and
improved
light
harvesting
capability.
Up
now,
variety
of
experimental
strategies
been
explored
for
synthesis
photocatalytic
activity
various
reactions
being
achieved.
this
mini-review,
recent
advances
advanced
efficient
clean
energy
evolution
pollution
elimination
were
critically
reviewed.
Meanwhile,
methods
fundamental
mechanism
emphasized.
particular,
effects
structural,
morphology,
electronic
structure,
carrier
migration
advantages
process
highlighted.
Finally,
prospects
challenges
large-scale
industrial
utilization
overlooked
discussed.
We
cordially
look
forward
critical
review
can
offer
snapshot
solar
conversion
inspire
new
concepts
designing
high-performance
photocatalysts.
Carbon Neutralization,
Journal Year:
2024,
Volume and Issue:
3(4), P. 557 - 583
Published: May 8, 2024
Abstract
Currently,
the
concentration
of
carbon
dioxide
(CO
2
)
has
exceeded
400
ppm
in
atmosphere.
Thus,
there
is
an
urgent
need
to
explore
CO
reduction
and
utilization
technologies.
Photocatalytic
technology
can
convert
valuable
hydrocarbons
(CH
4
,
CH
3
OH,
C
H
5
etc.),
realizing
conversion
solar
energy
chemical
as
well
solving
problems
fossil
fuel
shortage
global
warming.
Graphitic
nitride
(g‐C
N
),
a
two‐dimensional
nonmetallic
semiconductor
material,
shows
great
potential
field
photoreduction
due
its
moderate
bandgap,
easy
synthesis
method,
low
cost,
visible
light
response
properties.
This
review
elaborates
research
progress
g‐C
‐based
photocatalysts
for
photocatalytic
reduction.
The
modification
strategies
(e.g.,
morphology
engineering,
elemental
doping,
crystallinity
modulation,
cocatalyst
modification,
constructing
heterojunction)
application
have
been
discussed
detail.
Finally,
challenges
development
prospects
materials
are
presented.
