Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 25, 2025
Sr2MgSi2O7/Eu2+,
Dy3+
(SMSED)
phosphors
show
promise
for
persistent
luminescence
applications
due
to
their
long
afterglow
and
robust
chemical
stability.
However,
a
trade-off
exists
between
achieving
precise
size
shape
control
of
SMSED
maintaining
prolonged
intensity
duration
during
synthesis.
Herein,
we
unveil
molten-salt
method
that
successfully
produces
uniform
single-crystalline
plate-like
the
first
time.
This
synthesis
significantly
reduces
both
sintering
temperature
time
compared
classic
solid-state
reaction
(SSR)
method.
Owing
nanoplates
structure,
distribution,
single-crystal
nature,
resulting
exhibited
excellent
performance
thermal
stability,
with
sustained
blue
exceeding
24
h
retaining
>70%
its
initial
up
523
K,
outperforming
most
reported
phosphors.
These
remarkable
properties
underscore
considerable
potential
in
fingerprint
detection.
work
unlocks
new
synthetic
frontier
controllable
phosphors,
paving
way
future
optimizations
aimed
at
development
advanced
luminescent
