Arabian Journal of Chemistry,
Journal Year:
2023,
Volume and Issue:
16(3), P. 104542 - 104542
Published: Jan. 5, 2023
Graphitic
carbon
nitride
(g-C3N4)
is
a
remarkable
semiconductor
catalyst
that
has
attracted
widespread
attention
as
visible
light
photo-responsive,
metal-free,
low-cost
photocatalytic
material.
Pristine
g-C3N4
suffers
fast
recombination
of
photogenerated
electron-hole
pairs,
low
surface
area,
and
insufficient
absorption,
resulting
in
efficiency.
This
review
presents
the
recent
progress,
perspectives,
persistent
challenges
development
g-C3N4-based
materials.
Several
approaches
employed
to
improve
absorption
materials
including
metal
non-metal
doping,
co-doping,
heterojunction
engineering
have
been
extensively
discussed.
These
approaches,
general,
were
found
decrease
material's
bandgap,
increase
reduce
charge
carrier
recombination,
promote
thereby
enhancing
overall
performance.
The
material
widely
used
for
different
applications
such
hydrogen
production,
water
splitting,
CO2
conversion,
purification.
work
also
identified
various
limitations
weaknesses
associated
with
hinders
its
maximum
utilization
under
illumination
presented
state-of-the-art
solutions
reported
recently.
summary
this
would
add
an
invaluable
contribution
photocatalysis
research
facilitate
efficient
light-responsive
semiconducting
International Journal of Molecular Sciences,
Journal Year:
2022,
Volume and Issue:
23(15), P. 8130 - 8130
Published: July 24, 2022
The
existence
of
antibiotics
in
the
environment
can
trigger
a
number
issues
by
fostering
widespread
development
antimicrobial
resistance.
Currently,
most
popular
techniques
for
removing
antibiotic
pollutants
from
water
include
physical
adsorption,
flocculation,
and
chemical
oxidation,
however,
these
processes
usually
leave
significant
quantity
reagents
polymer
electrolytes
water,
which
lead
to
difficulty
post-treating
unmanageable
deposits.
Furthermore,
though
cost-effectiveness,
efficiency,
reaction
conditions,
nontoxicity
during
degradation
are
hurdles
overcome,
variety
photocatalysts
be
used
degrade
pollutant
residuals,
allowing
potential
solutions
issues.
Thus,
urgent
need
effective
rapid
photocatalytic
leads
an
increased
interest
finding
more
sustainable
catalysts
degradation.
In
this
review,
we
provide
overview
removal
pharmaceutical
through
photocatalysis,
detail
recent
progress
using
different
nanostructure-based
photocatalysts.
We
also
review
possible
sources
released
ecological
chain
consequences
damages
caused
wastewater
on
human
health.
fundamental
dynamic
nanomaterials
mechanisms
then
discussed,
studies
regarding
materials
some
typical
commonly
comprehensively
summarized.
Finally,
major
challenges
future
opportunities
highlighted.
ACS Catalysis,
Journal Year:
2022,
Volume and Issue:
12(9), P. 5605 - 5660
Published: April 26, 2022
As
a
group
of
large-surface-area
nonmetal
materials,
polymeric
carbon
nitride
(CxNy)
and
its
hybrid
structures
are
nowadays
ever-increasing
interest
for
use
in
energy
devices
involved
conversion
storage,
offering
low
expenses
facile
production
processes.
With
the
growing
requirement
clean
renewable
generation
storage
systems,
progress
replacement
expensive
noble-metal
catalysts
with
CxNy-based
materials
as
efficient
electrocatalysts
has
expanded
considerably,
demand
these
increased.
The
modified
CxNy
architectures
beneficial
to
electrocatalytic
applications,
improving
their
moderate
electrical
conductivities
capacity
loss.
present
review
strives
highlight
recent
advances
research
on
aforementioned
identities
CxNy-derived
structurally
polymorphs.
This
also
discusses
fuel
cells,
metal–air
batteries,
water
splitting
supercapacitor
applications.
Herein,
we
deal
oxidation
reduction
reactions
such
hydrogen
evolution,
oxygen
reduction,
CO2
nitrogen
etc.
Each
device
been
studied
clearer
understanding
patent
relevant
experiments
reviewed
separately.
Additionally,
role
some
general
redox
capable
being
exploited
any
is
included.
RSC Sustainability,
Journal Year:
2023,
Volume and Issue:
2(2), P. 265 - 287
Published: Dec. 4, 2023
g-C
3
N
4
:
a
sustainable
game-changer
in
photocatalysis.
This
work
explores
synthesis,
properties,
mechanisms,
and
applications,
addresses
challenges,
charts
future
trends.
Nanomaterials,
Journal Year:
2023,
Volume and Issue:
13(2), P. 305 - 305
Published: Jan. 11, 2023
In
this
work,
ZnIn2S4/g-C3N4
(ZIS/CN)
composites
were
synthesized
by
in-situ
growth
method,
which
showed
excellent
photocatalytic
activity
in
the
degradation
of
tetracycline
and
hydrogen
production
from
water
under
visible
light
irradiation.
ZnIn2S4
quantum
dots
(ZIS
QDs)
tightly
combined
with
sheet
g-C3N4
(CN)
to
accelerate
separation
transportation
photogenerated
charges
for
enhanced
activity.
Among
prepared
nanocomposites,
20%ZnIn2S4
QDs/g-C3N4
(20%ZIS/CN)
delivered
highest
After
120
min
irradiation,
rate
20%ZIS/CN
was
54.82%,
3.1
times
that
CN
while
75.2
μmol·g-1·h-1.
According
optical
electrochemical
characterization
analysis,
it
concluded
activities
composite
materials
mainly
due
following
three
points:
enhancement
absorption
capacity,
acceleration
charge
transport,
reduction
carrier
recombination
through
formation
S-scheme
heterojunction
system.
The
high
ZIS/CN
provides
a
new
idea
develop
highly
efficient
photocatalysts.
Molecules,
Journal Year:
2023,
Volume and Issue:
28(7), P. 3199 - 3199
Published: April 4, 2023
Industrial
effluents
containing
dyes
are
the
dominant
pollutants,
making
drinking
water
unfit.
Among
dyes,
methylene
orange
(MO)
dye
is
mutagenic,
carcinogenic
and
toxic
to
aquatic
organisms.
Therefore,
its
removal
from
bodies
through
effective
economical
approach
gaining
increased
attention
in
last
decades.
Photocatalytic
degradation
has
ability
convert
economically
complex
molecules
into
non-toxic
smaller
species
via
redox
reactions,
by
using
photocatalysts.
g-C3N4
a
metal-free
n-type
semiconductor,
typical
nonmetallic
non-toxici
polymeric
photocatalyst.
It
widely
used
photocatalytic
materials,
due
easy
simple
synthesis,
fascinating
electronic
band
structure,
high
stability
abundant
availability.
As
photocatalyst,
major
drawbacks
limited
efficiency
separating
photo-excited
electron–hole
pairs,
separated
charge
recombination,
low
specific
surface
area,
absorption
coefficient.
In
this
review,
we
report
recent
modification
strategies
adopted
for
efficient
photodegradation
of
MO
dye.
The
different
approaches,
such
as
nanocomposites
heterojunctions,
well
doping
defect
introductions,
briefly
discussed.
mechanism
future
perspectives
This
review
paper
will
predict
fabrication
an
g-C3N4-based
photocatalyst
