Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Дек. 28, 2024
Abstract
MXene-based
(nano)materials
have
recently
emerged
as
promising
solutions
for
antibiotic
photodegradation
from
aquatic
environments,
yet
they
are
limited
by
scalability,
stability,
and
selectivity
challenges
in
practical
settings.
We
formulated
Fe
2
O
3
-SiO
/MXene
ternary
nano-photocomposites
via
coupled
wet
impregnation
sonochemistry
approach
optimised
tetracycline
(TC)
removal
(the
second
most
used
worldwide)
water
using
response
surface
methodology-central
composite
design
(RSM-CCD).
The
photocatalysts
containing
various
loading
of
/SiO
(5–45
wt%)
on
the
MXene
with
a
range
calcination
temperatures
(300–600
°C)
RSM
optimisation
were
synthesised,
characterised
regarding
crystallinity
properties,
morphology,
binding
energy,
light
absorption
capability,
analysed
TC
degradation
efficiency.
25FeS/MX-450
among
all
samples
demonstrated
superior
efficiency
photocatalytic
(98%)
under
conditions
(TC
degradation:
39.75
mg/L,
time:
68.28
min,
pH:
5.57,
catalyst
dosage:
0.75
g/L).
developed
area,
reduced
band
gap
due
to
FeS
nanoparticles
incorporation
improved
within
visible
spectrum,
played
crucial
role
heterostructure
matrix,
enhancing
photogenerated
carriers’
separation
transportation
capabilities.
photoreduction
mechanism
involved
electron
transfer
MXene,
engaging
produce
•O
−,
attributed
high
mobility
MXene.
Our
findings
such
materials
can
underscore
considerable
potential
nanomaterials
pharmaceutical
waterways.
Advanced Sustainable Systems,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 27, 2024
Abstract
Photocatalysis
plays
a
crucial
role
in
tackling
environmental
challenges
by
efficiently
breaking
down
organic
pollutants
water.
This
study
highlights
the
significant
contribution
of
2D
materials
advancing
photocatalytic
technology
for
sustainable
remediation.
It
explores
various
aspects
processes,
including
important
performance
metrics
such
as
reaction
rate,
quantum
yield,
space
energy
consumption,
and
figure
merit.
The
main
focus
is
on
materials‐based
structures,
metal
oxide
supported
graphene
oxides,
MXene,
or
MoS
2
(referred
2D‐MO
NPs),
well
more
complex
nanocomposite
configurations
NCs).
Furthermore,
research
examines
interaction
between
compositional
operational
factors
that
influence
activity,
different
mechanisms
active
species.
Finally,
it
addresses
current
limitations
degradation
field
applications
discusses
prospects
this
technology.
Catalysts,
Год журнала:
2024,
Номер
14(11), С. 762 - 762
Опубликована: Окт. 29, 2024
China
is
a
significant
global
producer
and
consumer
of
pesticides
antibiotics,
with
their
excessive
use
leading
to
substantial
water
pollution
that
poses
challenges
for
subsequent
treatment.
Photocatalytic
degradation,
leveraging
renewable
solar
energy,
presents
an
effective
approach
decomposing
organic
pollutants
reducing
residual
contaminant
levels
in
bodies.
This
represents
one
way
addressing
environmental
challenges.
paper
classifies
representative
photocatalytic
materials
by
structural
design
degradation
principles
including
MOFs
(Metal–Organic
Frameworks),
metal-
nonmetal-doped,
mesoporous
material-loaded,
carbon
quantum
dot-modified,
floatation-based,
heterojunction
photocatalysts.
We
also
discuss
research
on
pathways
reaction
mechanisms
antibiotics.
Of
particular
importance
are
several
key
factors
influencing
efficiency,
which
summarized
within
this
work.
These
include
the
separation
charge
transfer
rate
catalyst
surface
carriers,
wide-spectrum
response
capabilities
photocatalysts,
as
well
persulfate
activation
efficiency.
Furthermore,
emphasis
placed
role
played
intrinsic
driving
forces
such
built-in
electric
fields
catalytic
systems.
Moreover,
introduces
promising
composite-structure
technologies
from
both
perspectives
(e.g.,
Aerogel-based
composites)
composite-method
molecularly
imprinted
synthesis
method).
latest
development
status,
along
future
prospects,
presenting
valuable
insights
pollutant
targets.
work
aims
facilitate
efficient
materials,
while
providing
theoretical
references
governance
technologies.
