Materials & Design,
Journal Year:
2021,
Volume and Issue:
210, P. 110040 - 110040
Published: Aug. 13, 2021
With
the
rapid
development
of
photocatalysis
field,
photocatalysts
have
received
increasing
attention
due
to
their
important
role
in
environmental
pollution
and
energy
crisis.
As
a
nonmetallic
polymeric
material,
graphite
carbon
nitride
(g-C3N4)
is
rich
sources
its
preparation
simple,
thus
has
been
widely
used
as
visible-light-responsive
photocatalyst.
In
this
review,
we
summarized
recent
progress
related
design,
modification,
construction
g-C3N4
based
with
excellent
photocatalytic
performances.
First,
described
basic
structure
properties
g-C3N4.
Thereafter,
pointed
out
that
defects
pristine
illustrated
general
design
principles
for
all
modified
strategies.
Subsequently,
discussed
various
strategies
optimize
detail,
including
constructing
Z-scheme
heterojunctions
on
g-C3N4,
morphological
controlling,
metal
deposition,
ion
doping,
dye
sensitization,
quantum
dots
acid
treatment.
Particularly,
comprehensively
explicated
critical
factors
governing
performance
photocatalyst
enhanced
mechanisms
each
modification
strategy
examples.
Finally,
indicated
challenges
technology
using
proposed
opportunities
further
development.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(23)
Published: March 17, 2023
Abstract
Multifunctional
separation
membrane
is
usually
realized
by
multi‐component
collaborative
construction,
which
makes
the
preparation
method
complicated
and
uncontrollable.
Herein,
a
novel
multifunctional
photocatalytic
prepared
vacuum
self‐assembly
of
single
seaweed‐like
g‐C
3
N
4
photocatalyst.
The
gives
certain
roughness,
large
specific
surface
area,
excellent
hydrophilicity
abundant
transport
channels.
Through
systematic
study,
exhibits
five
oil‐in‐water
emulsions
with
maximum
flux
3114.0
±
113.0
L
m
−2
h
−1
bar
for
1,
2‐dichloroethane‐in‐water
(Dc/W)
emulsion
efficiency
97.4
0.1%
chloroform‐in‐water
(C/W)
emulsion.
In
addition,
area
narrow
bandgap
render
visible
light
absorption
characteristics
accelerate
e
−
‐h
+
pairs
rate,
giving
degradation
antibacterial
properties.
shows
good
eight
different
pollutants,
among
effect
rhodamine
B
(RhB),
methylene
blue
(MB),
crystal
violet
(CV)
were
≈100%.
against
E.
coli
S.
aureus
also
close
to
100%.
After
35
consecutive
separations
C/W
10
degradations
RhB,
still
maintains
performance.
This
long‐lasting
broad
application
prospects
in
complex
wastewater
purification.
Small,
Journal Year:
2023,
Volume and Issue:
19(14)
Published: Jan. 2, 2023
Abstract
Recently,
graphitic
carbon
nitride
(g‐C
3
N
4
)
has
attracted
increasing
interest
due
to
its
visible
light
absorption,
suitable
energy
band
structure,
and
excellent
stability.
However,
low
specific
surface
area,
finite
response
range
(<460
nm),
rapid
photogenerated
electron–hole
(e
−
–h
+
pairs
recombination
of
the
pristine
g‐C
limit
practical
applications.
The
small
size
quantum
dots
(QDs)
endows
properties
abundant
active
sites,
wide
absorption
spectrum,
adjustable
bandgap,
but
inevitable
aggregation.
Studies
have
confirmed
that
integration
QDs
not
only
overcomes
these
limitations
individual
component,
also
successfully
inherits
each
advantage.
Encouraged
by
advantages,
synthetic
strategies
fundamental
QDs/g‐C
composites
are
briefly
elaborated
in
this
review.
Particularly,
synergistic
effects
analyzed
comprehensively,
including
enhancement
photocatalytic
performance
avoidance
Then,
applications
fields
environment
described
further
combined
with
DFT
calculation
reveal
reaction
mechanisms.
Moreover,
stability
reusability
analyzed.
Finally,
future
development
solution
existing
problems
prospected.
Nanoscale,
Journal Year:
2024,
Volume and Issue:
16(12), P. 6109 - 6131
Published: Jan. 1, 2024
N-rGO/g-C
3
N
4
as
a
metal-free
photocatalyst
has
been
synthesised
via
facile
and
eco-friendly
hydrothermal
route
that
exhibits
remarkable
photodegradation
efficiency
towards
organic
pollutants
antibiotics
under
the
simulated
solar
irradiation.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 11, 2024
Abstract
MXene‐based
photocatalytic
membranes
provide
significant
benefits
for
wastewater
treatment
by
effectively
combining
membrane
separation
and
degradation
processes.
MXene
represents
a
pioneering
2D
photocatalyst
with
variable
elemental
composition,
substantial
surface
area,
abundant
terminations,
exceptional
photoelectric
performance,
offering
advantages
in
producing
high‐performance
membranes.
In
this
review,
an
in‐depth
overview
of
the
latest
scientific
progress
is
provided.
Initially,
brief
introduction
to
structure
capabilities
provided,
highlighting
their
pivotal
role
promoting
process.
Subsequently,
pursuit
optimal
membrane,
critical
factors
such
as
morphology,
hydrophilicity,
stability
MXenes
are
meticulously
taken
into
account.
Various
preparation
strategies
membranes,
including
blending,
vacuum
filtration,
dip
coating,
also
discussed.
Furthermore,
application
mechanism
micropollutant
removal,
oil–water
separation,
antibacterial
examined.
Lastly,
challenges
development
practical
well
future
research
direction
delineated.
