Key engineering materials,
Journal Year:
2024,
Volume and Issue:
1003, P. 31 - 42
Published: Dec. 20, 2024
In
this
work,
the
co-precipitation
method
is
used
for
synthesis
of
copper
sulfide
(CuS)
nanoparticles
use
in
solar
cells.
X-ray
diffraction
(XRD),
scanning
electron
microscopy
(SEM),
energy
dispersive
x-ray
analysis
(EDX),
UV-Visible
spectroscopy
(UV-Vis),
photoluminescence
(PL),
and
Fourier
transform
infrared
(FTIR)
are
to
analyse
synthesized
CuS
nanoparticles.
with
hexagonal
phases
crystallite
sizes
ranging
from
19
nm
24
identified
by
X-ray.
The
morphology
SEM
images
changes
being
asymmetrical
spherical.
UV-Vis
was
carried
out
optical
powder.
band
gap
samples
determined
using
a
tauc
plot,
it
found
be
decreasing
an
increase
sulfur
concentration,
going
2.01
eV
1.88
eV.
Surface
imperfections
green
emission
bands
related
electro-hole
recombination
visible
PL
spectra.
Cu-S
stretching
vibrations
present
at
618
cm
-1
,
according
FTIR
ChemistrySelect,
Journal Year:
2025,
Volume and Issue:
10(16)
Published: April 1, 2025
Abstract
Copper
sulfide
(CuS)
is
a
p‐type
semiconductor
material
with
narrow
band
gap
and
easy
to
be
excited
by
visible
light,
which
makes
it
has
broad
application
prospect
in
the
field
of
organic
pollutant
treatment.
This
work
provides
some
significant
insights
into
photo‐Fenton
catalytic
performance
CuS
materials
degradation
dye
MB.
Via
changing
copper
source,
photocatalytic
performances
products
prepared
using
different
sources
such
as
CuSO
4
,
Cu(NO
3
)
2
CuCl
Cu(C
H
O
were
studied.
The
results
indicated
that
due
difference
sources,
obtained
samples
varied
greatly.
For
example,
properties
specimens
via
significantly
better
than
those
.
Meanwhile,
MB
same
specimen
light
irradiation
condition
dark
environment.
Specifically,
sample
source
was
best,
when
added
form
system,
excellent
ability
for
both
environments.
Indian Journal of Science and Technology,
Journal Year:
2024,
Volume and Issue:
17(31), P. 3190 - 3198
Published: Aug. 24, 2024
Objectives:
To
enhance
the
degradation
rate
of
all
moieties
(azo,
naphthalene,
and
phenyl)
Congo
Red
(CR)
dye
by
using
CuS
nanoflowers
under
darkness,
white
light,
solar
light.
Method:
are
synthesized
employing
a
simple
wet
chemical
method.
The
sample
is
characterized
its
microstructural
optical
properties.
nanoflower
added
to
CR
solution
investigate
efficiency
in
dark
Findings:
shows
significant
absorption
between
300
700
nm,
followed
quick
reduction.
This
study
first
show
that
can
act
as
both
catalyst
photocatalyst
degrade
(CR),
an
environmental
pollutant,
100%
takes
place
24
min,
36
52
min
presence
respectively.
When
comparing
experimental
settings
(consecutively
light),
change
for
azo,
phenyl
with
time
highest
light
darkness
order.
reactions
pseudo-first-order
kinetics
according
Langmuir-Hinshelwood
(L-H)
model.
irradiation,
lower
lowest
darkness.
Additionally,
exhibit
exceptional
recyclability.
Novelty:
moiety
degraded
enhanced
due
greater
surface
area
nanoflowers.
best
our
knowledge,
present
one
report
this
work
Keywords:
nanoflowers,
Photocatalyst,
Catalyst,
degradation,
Rate
efficiency.
