Journal of Optical Technology,
Год журнала:
2024,
Номер
91(6), С. 429 - 429
Опубликована: Июнь 1, 2024
Subject
of
study.
Lead-free
perovskite
nanocrystals
(LFPNCs),
their
main
characteristics,
synthesis
methods,
and
optical
properties
are
examined.
Aim
The
aim
is
to
analyze
the
state-of-the-art
research
data
on
methods
LFPNCs.
In
addition,
formation
processes
LFPNCs,
dependence
nanocrystal
size
photoluminescence
quantum
yield
(PLQY)
parameters
(such
as
method,
temperature,
ligand
type)
determined.
Main
results.
LFPNCs
analyzed
based
LaMer
cluster
growth
models.
According
data,
primary
for
preparing
these
(NCs)
hot-injection
ligand-assisted
reprecipitation
(LARP).
Evidently,
average
increases
with
increasing
reaction
temperature.
For
NCs
synthesized
by
LARP,
temperature
100°C
leads
a
slight
decrease
in
yield.
However,
prepared
hot-injection,
PLQY
remains
independent
Additionally,
using
oleic
acid
results
narrow
distribution
NCs,
whereas
mixture
ligands
exhibiting
highest
PLQY.
Practical
significance.
literature
analysis
show
that
LARP
method
most
promising
synthesizing
owing
its
ease
implementation,
energy
efficiency,
scalability.
produced
this
can
be
applied
active
materials
sensor
technologies,
photovoltaics,
optoelectronic
devices.
This
study
investigated
the
energy
transfer
from
CsPbI3
nanocrystals
to
Er3+
ions
embedded
within
a
borosilicate
glass
matrix.
NCs
were
synthesized
via
fusion
method
and
subsequently
incorporated
into
Er3+-doped
Transmission
electron
microscopy
images
confirmed
formation
of
nanocrystals,
while
X-ray
diffraction
data
revealed
an
orthorhombic
crystal
structure
for
NCs.
The
overlap
observed
between
optical
absorption
photoluminescence
spectra
provided
compelling
evidence
time-resolved
monitored
at
698
nm
reveals
existence
two
distinct
emitting
levels.
Journal of Optical Technology,
Год журнала:
2024,
Номер
91(6), С. 429 - 429
Опубликована: Июнь 1, 2024
Subject
of
study.
Lead-free
perovskite
nanocrystals
(LFPNCs),
their
main
characteristics,
synthesis
methods,
and
optical
properties
are
examined.
Aim
The
aim
is
to
analyze
the
state-of-the-art
research
data
on
methods
LFPNCs.
In
addition,
formation
processes
LFPNCs,
dependence
nanocrystal
size
photoluminescence
quantum
yield
(PLQY)
parameters
(such
as
method,
temperature,
ligand
type)
determined.
Main
results.
LFPNCs
analyzed
based
LaMer
cluster
growth
models.
According
data,
primary
for
preparing
these
(NCs)
hot-injection
ligand-assisted
reprecipitation
(LARP).
Evidently,
average
increases
with
increasing
reaction
temperature.
For
NCs
synthesized
by
LARP,
temperature
100°C
leads
a
slight
decrease
in
yield.
However,
prepared
hot-injection,
PLQY
remains
independent
Additionally,
using
oleic
acid
results
narrow
distribution
NCs,
whereas
mixture
ligands
exhibiting
highest
PLQY.
Practical
significance.
literature
analysis
show
that
LARP
method
most
promising
synthesizing
owing
its
ease
implementation,
energy
efficiency,
scalability.
produced
this
can
be
applied
active
materials
sensor
technologies,
photovoltaics,
optoelectronic
devices.
