Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(21), P. 1746 - 1746
Published: Oct. 30, 2024
The
escalating
release
of
multi-walled
carbon
nanotubes
(MWCNTs)
into
the
environment
has
raised
concerns
due
to
their
potential
ecotoxicological
impacts.
However,
combined
phytotoxicity
with
heavy
metals
such
as
copper
(Cu)
is
still
unclear.
This
study
investigated
individual
and
toxic
effects
MWCNTs
(MWCNT,
MWCNT-OH,
MWCNT-COOH)
Cu
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Dec. 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.