Abstract
Lanthanum
phosphate
is
a
well‐known
potential
host
for
rare
earth
activators
phosphor‐converted
white
LED
application.
Na
+
and
Bi
3+
codoped
Eu
activated
LaPO
4
nanophosphor
successfully
synthesized
using
citrate‐based
hydrothermal
method
at
ambient
condition
confirmed
by
XRD,
EDS
XPS
analysis.
The
excitation
spectra
of
the
sample
exhibit
sharp
f‐f
characteristics
peak
393
nm
that
found
to
be
most
dominant.
comparative
photoluminescence
studies
La
1‐x
PO
:xEu
(
x
=
0.10),
1‐x‐y
,
yNa
0.10,
y
0.05),
1‐x‐y‐z
zBi
z
0.05)
reveal
progressive
enhancement
orange
emission
from
as
(Na
)
ions
are
incorporated
into
matrix.
dominance
5
D
0
‐
7
F
1
magnetic
dipole
transition
contributing
major
part
luminescence
nanophosphors
symmetric
site
occupancy
was
justified
observed
trend
in
Judd–Ofelt
intensity
parameters.
CIE
confirm
improvement
color
purity
32.5%
90.6%
due
presence
ions.
New Journal of Chemistry,
Год журнала:
2024,
Номер
48(19), С. 8933 - 8962
Опубликована: Янв. 1, 2024
Nanostructured
materials
are
widely
researched
for
energy
applications
like
solar
cells,
catalysts,
batteries,
and
graphene-based
due
to
their
high
surface
area,
favorable
transport
properties,
tunable
physical
attributes,
confinement
effects
at
the
nanoscale.
