Molecules,
Journal Year:
2025,
Volume and Issue:
30(6), P. 1240 - 1240
Published: March 10, 2025
The
S-Scheme
heterojunction
design
offers
a
promising
pathway
to
enhance
the
photocatalytic
activity
of
semiconductors
for
antibiotic
degradation
in
aquatic
environments.
Graphitic
carbon
nitride
(g-C3N4)
stands
out
due
its
robust
visible
light
absorption,
exceptional
charge
separation
efficiency,
and
abundant
active
sites,
rendering
it
an
ideal
candidate
sustainable
energy-efficient
photocatalysis.
This
review
delves
into
potential
g-C3N4-based
heterojunctions
degradation,
with
particular
emphasis
on
principles,
inherent
advantages,
application
prospects.
We
discuss
various
semiconductor
materials,
including
metal
oxides,
multicomponent
magnetic
sulfides,
which
can
be
paired
g-C3N4
fabricate
heterojunctions.
Furthermore,
we
explore
common
preparation
techniques
synthesizing
composites,
such
as
hydrothermal
method,
solvothermal
calcination
self-assembly
situ
growth,
etc.
Additionally,
summarize
applications
these
antibiotics,
focusing
specifically
quinolones
tetracyclines.
By
providing
insights
development
heterojunctions,
actively
contribute
ongoing
exploration
innovative
technologies
field
degradation.
Our
findings
underscore
vast
addressing
challenge
contamination
water
sources.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(8)
Published: Nov. 22, 2023
Abstract
Semiconductor
photocatalytic
technology
holds
immense
promise
for
converting
sustainable
solar
energy
into
chemically
storable
energy,
with
significant
applications
in
the
realms
of
and
environment.
However,
inherent
issue
rapid
recombination
photogenerated
electrons
holes
hinders
performance
single
photocatalysts.
To
overcome
this
challenge,
construction
2D
S‐scheme
heterojunction
photocatalysts
emerges
as
an
effective
strategy.
The
deliberate
design
dimensionality
ensures
a
substantial
interfacial
area;
while,
charge
transfer
mechanism
facilitates
efficient
separation
maximizes
redox
capabilities.
This
review
commences
fresh
perspective
on
heterojunctions,
followed
by
comprehensive
exploration
preparation
methods
characterization
techniques.
Subsequently,
recent
advancements
are
summarized.
Notably,
behind
activity
enhancement
is
elucidated.
Finally,
prospects
development
presented.
Chemistry - A European Journal,
Journal Year:
2024,
Volume and Issue:
30(24)
Published: Feb. 19, 2024
Abstract
The
Fenton
reaction
refers
to
the
in
which
ferrous
ions
(Fe
2+
)
produce
hydroxyl
radicals
and
other
reactive
oxidizing
substances
by
decomposing
hydrogen
peroxide
(H
2
O
).
This
paper
reviews
mechanism,
application
system,
materials
employed
including
conventional
homogeneous
non‐homogeneous
reactions
as
well
photo‐,
electrically‐,
ultrasonically‐,
piezoelectrically‐triggered
reactions,
summarizes
applications
degradation
of
soil
oil
pollutions,
landfill
leachate,
textile
wastewater,
antibiotics
from
a
practical
point
view.
mineralization
paths
typical
pollutant
are
elucidated
with
relevant
case
studies.
concludes
summary
outlook
further
development
Fenton‐like
reactions.
The Journal of Physical Chemistry C,
Journal Year:
2022,
Volume and Issue:
127(1), P. 22 - 40
Published: Dec. 30, 2022
Step-scheme
(S-scheme)
heterojunctions
comprising
two
semiconductors
having
sets
of
charge
carriers
at
different
sites
with
an
outstanding
redox
capability
have
emerged
as
a
prospective
tactic
for
H2O2
production
and
antibiotic
remediation.
Herein,
0D/2D
Fe2O3
QD/B-g-C3N4
(F-BN)
was
successfully
fabricated
via
in
situ
nucleation
quantum
dots
(FQDs)
over
boron-doped
g-C3N4
(BCN)
sheets
photo-Fenton
amoxicillin
(AMX)
degradation.
Empirical
results
demonstrate
that
the
F-BN
composite
shows
superior
catalytic
activity
compared
to
parent
material
optimized
3F-BN
attains
best
generation
(729
μmol
solar-to-chemical
conversion
efficiency
(SCC)
0.12%)
AMX
degradation
(93%)
"k"
0.0891
min–1,
which
is
3.34
7.01
times
higher
than
those
pristine
materials.
The
could
be
attributed
effective
separation
utilization
excitons
through
S-scheme
transfer
pathway.
Moreover,
corridor
along
continuous
Fe3+/Fe2+
shuttling
responsible
activity.
Additionally,
influence
variation
experimental
conditions
also
studied
detail.
high
photocurrent,
lower
EIS
semicircle,
low
PL
intensity
indicate
e–/h+
material.
Furthermore,
scavenging
experiment
terephthalic
acid
(TA),
nitro
blue
tetrazolium
chloride
(NBT),
EPR
measurements
not
only
evidence
generated
reactive
oxygen
species
(•OH
•O2–)
participated
photocatalytic
activities
but
validate
charge-transfer
mechanism
further
confirmed
from
in-situ
XPS
analysis.
