Environmental applications of carbon dots: Addressing microplastics, air and water pollution
Journal of Hazardous Materials Advances,
Journal Year:
2025,
Volume and Issue:
17, P. 100591 - 100591
Published: Jan. 5, 2025
Language: Английский
Synthesis of Eco-Friendly Narrow-Band CuAlSe2/Ga2S3/ZnS Quantum Dots for Blue Quantum Dot Light-Emitting Diodes
Shenghua Yuan,
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Liyuan Liu,
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Xiaofei Dong
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et al.
Coatings,
Journal Year:
2025,
Volume and Issue:
15(2), P. 245 - 245
Published: Feb. 19, 2025
Quantum
dot
light-emitting
diodes
(QLEDs)
based
on
high-color-purity
blue
quantum
dots
(QDs)
are
crucial
for
the
development
of
next-generation
displays.
I-III-VI
type
QDs
have
been
recognized
as
eco-friendly
luminescent
materials
QLED
applications
due
to
their
tunable
band
gap
and
high-stable
properties.
However,
efficient
blue-emitting
remain
rare
owing
high
densities
intrinsic
defects
surface
defects.
Herein,
narrow-band
blue-emissive
CuAlSe2/Ga2S3/ZnS
is
synthesized
via
a
facile
strategy.
The
resulting
exhibit
sharp
emission
peak
at
450
nm
with
full
width
half
maximum
(FWHM)
35
nm,
achieved
by
coating
double-shell
structure
Ga2S3
ZnS,
which
associated
near-complete
passivation
Cu-related
(e.g.,
Cu
vacancies)
that
enhances
band-edge
emission,
accompanied
an
improvment
in
photoluminescence
yield
up
69%.
QLEDs
fabricated,
exhibiting
electroluminescence
453
FWHM
39
current
efficiency
3.16
cd
A−1,
external
0.35%.
This
research
paves
way
high-efficiency
QLEDs.
Language: Английский
The latest breakthroughs in green and hybrid nanoparticle synthesis for multifaceted environmental applications
Journal of the Taiwan Institute of Chemical Engineers,
Journal Year:
2025,
Volume and Issue:
unknown, P. 106157 - 106157
Published: April 1, 2025
Language: Английский
Enhancing the Optoelectronic Properties of Copper Sulphide Nanoparticles for Photovoltaic Applications
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
Language: Английский