Ultralow Concentration in Parts Per Trillion with Nanomolar Level Detection for Monodispersed Upconversion Nanoparticles of Li-Co-doped NaYF4:Ho3+/Yb3+: Potential Materials in Multimodal Applications
Leishangthem Sanatombi Devi,
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Manas Srivastava,
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Ruchi Agrawal
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et al.
ACS Applied Optical Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 11, 2025
Language: Английский
Fabrication and electrochemical characterization of RGO-Y2O3: Eu3+/Li+ nanocomposite modified glassy carbon electrode for enhanced dopamine detection
Inorganic Chemistry Communications,
Journal Year:
2025,
Volume and Issue:
unknown, P. 114515 - 114515
Published: April 1, 2025
Language: Английский
Structural, surface, and upconversion luminescence properties of pulsed laser-deposited Y2O3:Ho3+,Yb3+ thin films
Vhahangwele Makumbane,
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M.Y.A. Yagoub,
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E. Coetsee
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et al.
Journal of Vacuum Science & Technology B Nanotechnology and Microelectronics Materials Processing Measurement and Phenomena,
Journal Year:
2024,
Volume and Issue:
42(5)
Published: Sept. 1, 2024
As
a
potential
upconverting
layer
for
solar
cell
applications,
the
effect
of
substrate
temperature
on
structural,
surface,
and
upconversion
(UC)
properties
Y2O3:Ho3+,Yb3+
thin
films
was
studied.
On
soda-lime
glass
substrates,
pulsed
laser
deposition
used
to
generate
films.
The
structural
compositional
analyses
were
performed
using
x-ray
powder
diffraction
photoelectron
spectroscopy
(XPS).
thicknesses
prepared
estimated
XPS
depth
profiles
cross-sectional
scanning
electron
microscopy
measurements.
UC
cathodoluminescence
emissions
revealed
green,
red,
infrared
emission
bands
from
Ho3+
ion
transitions
observed
at
540,
550,
668,
757
nm,
corresponding
5F4
→
5I8,
5S2
5F5
5I7
under
980
nm
excitation
high-energy
excitation,
respectively.
measurements
power
dependency
showed
that
two-photon
step
method
proceed
with
emission.
Furthermore,
energy
transfer
process
thoroughly
explored.
efficient
results
suggested
can
be
suitable
applications.
Language: Английский
Structural and Luminescence Properties of Y2O3:Ho3+ Phosphor: Potential Applications in Plant Cultivation LEDs and Thermoluminescent Dosimetry
Chemical Physics Impact,
Journal Year:
2024,
Volume and Issue:
unknown, P. 100746 - 100746
Published: Sept. 1, 2024
Language: Английский