ChemistrySelect,
Journal Year:
2025,
Volume and Issue:
10(15)
Published: April 1, 2025
Abstract
The
remarkable
synergy
and
versatility
of
TiO2/g‐C3N4
composites
in
photocatalytic
applications,
particularly
for
the
removal
organic
pollutants,
have
attracted
considerable
interest.
This
review
provides
a
comprehensive
overview
modifications
employed
to
enhance
properties
binary
heterostructures.
examination
encompasses
modification
systems
with
various
materials,
including
metal
nonmetal
dopants,
carbonaceous
supports,
other
semiconductors,
among
others.
effects
parameters,
such
as
synthesis
methods,
types
precursors,
calcination
procedures,
concentrations
are
also
correlated
physicochemical
performance
materials.
in‐depth
exploration
highlights
advancements
engineering,
more
advanced
smart
materials
enhanced
visible
light
utilization
charge‐transfer
ability.
Additionally,
need
further
investigation
into
underlying
mechanisms
involved
advancement
techniques
that
both
scalable
environmentally
sustainable.
Future
directions
improving
TiO2/g‐C3N4‐based
heterostructures
presented,
an
emphasis
on
potential
revolutionize
photocatalysis
environmental
remediation
sustainable
energy
generation.
Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(1), P. 103 - 103
Published: Jan. 1, 2024
Graphitic
carbon
nitride
(g-C3N4)
is
a
metal-free
photocatalyst
used
for
visible-driven
hydrogen
production,
CO2
reduction,
and
organic
pollutant
degradation.
In
addition
to
the
most
attractive
feature
of
visible
photoactivity,
its
other
benefits
include
thermal
photochemical
stability,
cost-effectiveness,
simple
easy-scale-up
synthesis.
However,
performance
still
limited
due
low
absorption
at
longer
wavelengths
in
range,
high
charge
recombination.
addition,
exfoliated
nanosheets
easily
aggregate,
causing
reduction
specific
surface
area,
thus
photoactivity.
Herein,
we
propose
use
ultra-thin
porous
g-C3N4
overcome
these
limitations
improve
photocatalytic
performance.
Through
optimization
novel
multi-step
synthetic
protocol,
based
on
an
initial
treatment,
nitric
acid
(HNO3),
ultrasonication
step,
were
able
obtain
very
thin
well-tuned
material
that
yielded
exceptional
photodegradation
methyl
orange
(MO)
under
light
irradiation,
without
need
any
co-catalyst.
About
96%
MO
was
degraded
as
short
30
min,
achieving
normalized
apparent
reaction
rate
constant
(k)
1.1
×
10−2
min−1mg−1.
This
represents
highest
k
value
ever
reported
using
C3N4-based
photocatalysts
degradation,
our
thorough
literature
search.
Ultrasonication
not
only
prevents
agglomeration
but
also
tunes
pore
size
distribution
plays
key
role
this
achievement.
We
studied
their
evolution
(HER),
production
1842
µmol
h−1
g−1.
profound
analysis
all
samples’
structure,
morphology,
optical
properties,
provide
physical
insight
into
improved
optimized
sample
both
reactions.
research
may
serve
guide
improving
activity
two-dimensional
(2D)
semiconductors
irradiation.
Materials Chemistry Frontiers,
Journal Year:
2023,
Volume and Issue:
7(20), P. 4782 - 4809
Published: Jan. 1, 2023
MOF/COF
composites
constructed
by
heterojunction,
functionalization,
or
integration
show
enhanced
performance
in
photo-,
thermo-,
and
electrocatalysis.
This
review
is
informative
for
rational
design
mechanism
understanding
of
catalysts.
