Fullerenes Nanotubes and Carbon Nanostructures,
Год журнала:
2024,
Номер
unknown, С. 1 - 8
Опубликована: Ноя. 27, 2024
The
methods
of
removing
various
pollutants
from
water,
due
to
the
limitation
drinking
water
resources
and
also
increase
in
production
industries,
have
been
widely
considered.
A
green
technique
that
has
emerged
as
a
promising
process
degradation
numerous
organic
is
photocatalytic
process.
Here,
Fe2O3-ZnO/rGO
nanocomposites
with
0.5,
1,
2
mass
percentages
rGO
nanosheets
were
successfully
fabricated.
These
characterized
by
XRD
analysis,
FESEM,
Raman
spectroscopy
UV-vis
spectrophotometer.
Next,
activity
RhB
dye
was
studied.
Fe2O3-ZnO/1%
nanocomposite
showed
best
performance
percentage
100%
180
min
rate
constant
0.020
min−1
half-life
34.7
min.
Finally,
this
optimal
attributed
smaller
optical
gap
nanocomposite.
Resources Chemicals and Materials,
Год журнала:
2024,
Номер
3(4), С. 294 - 316
Опубликована: Июнь 1, 2024
This
article
explores
an
in-depth
analysis
of
eco-friendly
green
synthesis
methods
to
manufacture
zinc
oxide
nanoparticles
(ZnO
NPs).
Although
chemical
and/or
physical
approaches
may
initially
provide
better
results,
in
the
long
term,
a
biological
approach
using
or
natural
pathways
plant
extracts,
enzymes,
and
microbes
be
more
cost-effective.
review
addresses
various
techniques
their
potential
biomedical
applications,
elucidating
mechanisms.
Additionally,
highlights
pivotal
role
ZnO
NPs
diabetes,
cancer,
wound
healing,
drug
delivery,
other
marvels.
Overall,
it
importance
green-synthesized
building
future
sustainable
breakthroughs.
RSC Advances,
Год журнала:
2025,
Номер
15(3), С. 1590 - 1603
Опубликована: Янв. 1, 2025
The
sonochemical
synthesis
of
a
chitosan-ZnO/Fe3O4
nanocomposite
yielded
highly
porous
structure
and
large
surface
area
for
enhancing
the
photocatalytic
degradation
cationic
(rhodamine
B,
RhB)
anionic
(methyl
orange,
MO)
dyes
in
aqueous
solution.
Chitosan-ZnO/Fe3O4
demonstrated
significant
enhancement
photodegradation
efficiency
99.49%
MO
(C
0
=
5.32
mg
L-1,
t
150
min)
90.73%
RhB
5.03
under
visible
light
due
to
its
narrow
bandgap
2.84
eV.
performance
was
investigated
by
varying
pH,
dye
concentration,
reaction
time,
catalyst
dose.
obeyed
Langmuir-Hinshelwood
kinetic
model
owing
high
rate
constant
0.031
(min-1)
0.013
RhB,
respectively.
activity
lost
18.37%
(MO
degradation)
11.08%
(RhB
after
first
four
cycles.
presented
results
highlight
irradiation
with
reusable
magnetically
retrievable
abilities.