Materials Science and Technology,
Journal Year:
2024,
Volume and Issue:
40(3), P. 262 - 272
Published: Jan. 8, 2024
In
this
study,
manganese
selenide/copper
oxide
nanocomposites
anchored
on
multi-walled
carbon
nanotubes
(MnSe/CuO/MWCNTs)
were
fabricated
with
different
ratios
and
their
characteristic
properties
evaluated.
Microscopic
images
show
the
decoration
of
CuO
MnSe
without
changing
morphology.
UV–Vis
analysis
indicates
that
best
optical
MnSe/CuO/MWCNT
nanomaterials
via
2.06
eV
as
a
band
gap
energy.
The
photocatalytic
ability
was
evaluated
by
decomposition
rhodamine
B
(RhB)
(97.23%)
malachite
green
(MG)
(100.0%)
under
visible
LED
irradiation
within
45
min.
Furthermore,
antibacterial
activity
prepared
nanosamples
investigated
against
Escherichia
coli
Staphylococcus
aureus
strains.
results
MnSe/CuO/MWCNTs
can
be
used
stronger
agent.
Molecules,
Journal Year:
2023,
Volume and Issue:
28(4), P. 1805 - 1805
Published: Feb. 14, 2023
Carbon-based
nanomaterials
(CBM)
have
shown
great
potential
for
various
environmental
applications
because
of
their
physical
and
chemical
properties.
The
unique
hybridization
properties
CBMs
allow
the
tailored
manipulation
structures
morphologies.
However,
owing
to
poor
solar
light
absorption,
rapid
recombination
photogenerated
electron-hole
pairs,
pristine
carbon
materials
typically
unsatisfactory
photocatalytic
performances
practical
applications.
main
challenge
in
this
field
is
design
economical,
environmentally
friendly,
effective
photocatalysts.
Combining
carbonaceous
with
semiconductors
different
results
carbon-based
catalysts,
which
offers
a
promising
approach
achieving
efficient
application.
Here,
we
review
contribution
dimensions,
catalytic
removal
organic
pollutants
from
wastewater
by
catalyzing
Fenton
reaction
processes.
This
review,
therefore,
aims
provide
an
appropriate
direction
empowering
improvements
ongoing
research
work,
will
boost
future
contribute
overcoming
existing
limitations
field.
Heliyon,
Journal Year:
2024,
Volume and Issue:
10(3), P. e25430 - e25430
Published: Jan. 27, 2024
Synthesis
of
nanoparticles
through
the
green
approach
using
plant
and
vegetable
extracts
has
gained
popularity
since
they
are
thought
to
be
efficient
cost-effective
materials.
This
study
is
designed
synthesize
zinc
oxide
(ZnO-NPs)
from
onion
waste
peel
extract
(
Molecules,
Journal Year:
2023,
Volume and Issue:
28(2), P. 882 - 882
Published: Jan. 16, 2023
Photocatalysis
is
a
hopeful
technology
to
solve
various
environmental
problems,
but
it
still
technical
task
produce
large-scale
photocatalysts
in
simple
and
sustainable
way.
Here,
nano-flower
β-Bi2O3/TiO2
composites
were
prepared
via
facile
solvothermal
method,
the
photocatalytic
performances
of
with
different
Bi/Ti
molar
ratios
studied.
The
Bi2O3/TiO2
studied
by
SEM,
XRD,
XPS,
BET,
PL.
PL
result
proved
that
construction
staggered
heterojunction
enhanced
separation
efficiency
carriers.
degradation
RhB
was
applied
study
materials.
results
showed
increased
from
61.2%
99.6%
when
ratio
2.1%.
It
mesoporous
approach
enhance
properties
forming
composites,
which
increases
generated
carriers
improves
properties.
photoactivity
has
no
evident
changes
after
fifth
recovery,
indicating
composite
distinguished
stability.
Journal of Taibah University for Science,
Journal Year:
2024,
Volume and Issue:
18(1)
Published: Feb. 1, 2024
Nowadays,
waste
discharge
and
contaminants
in
drinking
water
have
emerged
as
a
significant
global
problem.
Therefore,
it
is
necessary
to
remove
these
pollutants
from
the
photocatalysis
best
technique
for
this
purpose.
The
co-precipitation
was
employed
produce
NiMn2O4
ZnMn2O4
photocatalyst
containing
NiMn2O4/ZnMn2O4
heterostructure
nanocomposite.
Various
analytical
techniques
been
ascribed
examine
physical,
morphological
optical
features
of
fabricated
catalysts.
XRD
diffraction
peak
patterns
were
utilized
confirm
presence
cubic
NiMn2O4,
tetragonal
phases
In
photodegradation
tests,
nanocomposite
catalyst
outperformed
individual
After
60
minutes
visible
light
exposure,
eliminated
methylene
blue
(MB)
dye,
attaining
substantially
higher
degradation
rates
than
pure
(66%)
(77%).
highly
effective
against
dye
with
efficiency
92%.
