Designing Polychromatic Luminescence in Mn2+-Doped Cs2NaLuCl6 Double Perovskite Crystals via Energy Transfer Engineering for Optical Thermometry and X-ray Imaging
Inorganic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 2, 2025
Metal
halide
double
perovskites
with
splendid
optical
features
have
been
considerably
investigated
for
optoelectronic
applications.
Herein,
a
series
of
Mn2+-doped
Cs2NaLuCl6
perovskite
crystals
were
prepared.
Via
adopting
the
density
functional
theory
calculation,
effect
Mn2+
doping
on
electronic
structure
compound
was
discussed.
It
found
that
crystal
can
emit
intense
blue
light
from
host
self-trapped
exciton
(STE)
emission.
Excited
by
320
nm,
STE
and
emissions
simultaneously
observed
in
resulting
crystals.
Owing
to
efficient
energy
transfer
Mn2+,
polychromatic
luminescence
final
products.
Moreover,
taking
advantage
various
responses
emission
intensities
temperature,
thermometric
characteristics
investigated,
their
maximum
relative
sensitivity
is
0.99%
K-1,
which
hardly
impacted
content.
Furthermore,
prepared
exhibit
good
X-ray
radioluminescence
properties,
low
detection
limitation
0.99
μGyair
s-1.
Additionally,
utilizing
designed
crystal,
flexible
imaging
high
resolution
20
lp
mm-1
be
operated
high-temperature
environment
realized.
These
results
indicated
are
suitable
thermometry
imaging.
Язык: Английский
Hydrogen bonding evolution and efficient blue light emission in a series of Zn-based organic–inorganic hybrid metal halide crystals
Science China Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 17, 2025
Язык: Английский
Near‐Unity PLQY of Cs₃Cu₂X₅ (X = Cl, Br) for High‐Efficiency White Light‐Emitting Diodes with Exceptional Color Quality
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 2, 2025
Metal
halide
perovskites
and
their
derivatives
have
emerged
as
highly
promising
materials
for
next-generation
optoelectronic
devices,
owing
to
intrinsic
defect
tolerance
exceptional
electrical
optical
properties.
Among
these,
lead-free
copper(I)-based
perovskite
derivatives,
Cs₃Cu₂X₅
(X
=
Cl,
Br,
I)
(CHPs),
garnered
significant
attention
environmentally
friendly
stable
alternatives
lead-based
perovskites.
In
this
study,
a
cost-effective
sustainable
synthesis
route
Cs₃Cu₂Cl₅
Cs₃Cu₂Br₅
powders
is
developed,
which
exhibit
strong
green
(≈526
nm)
blue
(≈458
emissions,
achieve
remarkable
photoluminescence
quantum
yields
(PLQYs)
of
100%
92%,
respectively.
Br)
are
incorporated
into
3D-printed
structures,
exhibiting
excellent
transparency
color
stability.
Furthermore,
white
LEDs
fabricated
by
using
the
green-emitting
blue-emitting
yellow-emitting
double
(PLQY≈
73%),
resulting
in
devices
with
an
exceptionally
high
rendering
index
(CRI)
up
98
tunable
correlated
temperatures
(CCTs)
ranging
from
3864
9677
K,
closely
mimicking
natural
light.
Beyond
solid-state
lighting,
superior
performance
stability
open
new
avenues
application
photovoltaics
other
devices.
Язык: Английский
Crown Ether‐Assisted Alkali‐Metal Copper(I) Iodide Supramolecular Scintillators with Near‐Unity Emission for Ultrahigh‐Resolution X‐Ray Imaging
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 17, 2025
Abstract
Harnessing
supramolecular
interactions
to
regulate
the
structure
and
performance
of
functional
materials
is
a
key
challenge
in
chemistry.
Herein,
study
utilizes
18‐crown‐6
(18C6)
ether‐assisted
alkali‐metal
(Na,
K,
Cs)
copper(I)
iodide
assemblies
precisely
material
structures.
This
approach
facilitated
transition
from
1D
mono‐royal
crown
coordination
(18C6@KCuI
2
,
CKCI)
0D
di‐royal
((18C6)
@Na
(H
O)
3
Cu
4
I
6
CNCI)
tri‐royal
@Cs
CCCI)
Interestingly,
CCCI
single‐crystal
exhibits
outstanding
scintillation
properties,
with
high
relative
light
yield
71
000
photons
MeV
−1
an
ultralow
detection
limit
39.3
nGy
s
which
can
be
attributed
synergistic
effects
18C6
copper‐iodide
clusters.
It
stabilizes
self‐trapped
exciton
state,
enhances
localization,
reduces
non‐radiative
losses,
thus
resulting
large
Stokes
shift
193
nm
near‐unity
photoluminescence
quantum
99.4%.
Additionally,
promote
crystal
nucleation
growth,
making
it
easy
prepare
centimeter‐scale
transparent
single
crystals
>80%
transmittance,
such
as
achieve
ultrahigh‐resolution
X‐ray
imaging
26.3
lp
mm
.
demonstrates
that
halide
scintillators
regulated
through
interactions,
provides
new
for
developing
high‐performance
scintillator
materials.
Язык: Английский
Two-coordinate copper(I) complexes enable efficient X-ray scintillation and imaging
Science China Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 20, 2025
Язык: Английский
Blue-Light-Excitable Yellow Emissive One-Dimensional Hybrid Copper(I) Iodide for White-Light-Emitting Diode and Methanol Sensing Application
Inorganic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 4, 2025
Copper(I)
halides
are
promising
candidates
for
advanced
optoelectronics,
such
as
white-light-emitting
diodes
(WLEDs),
scintillators,
and
photodetectors.
Designing
synthesizing
low-dimensional
hybrid
copper
with
blue-light
excitation
remains
an
enormous
challenge.
Herein,
we
have
prepared
two
one-dimensional
(1D)
Cu(I)-based
metal
iodides,
namely,
(C6H7N)CuI
(C6H8N)CuI2
single
crystals,
by
deliberately
adjusting
the
ratio
of
reactants
4-methylpyridine
(4-MePy)
CuI.
crystals
nonluminous,
while
exhibit
unusual
yellow
emission
a
broad
band
in
range
260-500
nm
Furthermore,
prototypical
WLED
is
fabricated
combining
commercial
430
blue
chip
phosphor,
which
exhibits
correlated
color
temperature
(CCT)
5645
K
CIE
coordinate
(0.329,
0.334),
thus
demonstrating
potential
application
white
lighting.
Remarkably,
emit
red
fluorescence
upon
adsorption
methanol
but
fail
all
other
alcohols.
Notably,
initial
luminescence
can
be
recovered
volatilization
from
achieving
reversible
photoluminescence
switching.
This
work
not
only
presents
important
reference
blue-light-excitable
iodide
phosphor
WLEDs
also
provides
intriguing
sensor
detection
methanol.
Язык: Английский
[Ga(C2H6OS)6](SbBr6): A Highly Luminescent Organic–Inorganic Hybrid Bimetallic Bromide Synthesized via a Cation Hybridization Strategy
Inorganic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Июнь 4, 2025
In
this
report,
a
new
organic-inorganic
hybrid
bimetallic
halide
with
excellent
luminescent
properties,
namely,
[Ga(C2H6OS)6](SbBr6),
has
been
synthesized
and
characterized.
This
compound
crystallizes
in
the
trigonal
space
group
R3̅
=
b
13.83069(14)
Å,
c
15.7632(3)
V
2611.34(7)
Å3,
Z
3,
features
zero-dimensional
structure
composed
of
isolated
[Ga(C2H6OS)6]3+
cation
clusters
(SbBr6)3-
inorganic
anion
octahedra.
[Ga(C2H6OS)6](SbBr6)
crystals
exhibit
bright
yellowish-green
photoluminescent
broadband
emission
centered
at
540
nm
full
width
half-maximum
115
nm,
large
Stokes
shift
175
high
photoluminescence
quantum
yield
43.1%.
Moreover,
displays
impressive
radioluminescence
performance
when
excited
by
X-rays,
light
13
500
photons
MeV-1
radiation
resistance.
Flexible
films
incorporating
polydimethylsiloxane
illustrate
X-ray
imaging
ability
spatial
resolution
approximately
10
lp
mm-1
low
detection
limit
161.2
nGyair
s-1.
These
preliminary
investigations
demonstrate
considerable
potential
for
applications
radiography.
Язык: Английский
Zero-dimensional cuprous halide scintillator with ultra-high anti-water stability for X-ray imaging
Inorganic Chemistry Frontiers,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
A
cuprous
hybrid
halide
with
high
efficient
photoluminescence
and
anti-water
stability
was
prepared
by
reasonably
selecting
a
hydrophobic
organic
cation,
which
allows
this
as
high-performance
scintillator
for
X-ray
imaging.
Язык: Английский
Water-Stable Zero-Dimensional Hybrid Zinc Halide Modulated by π-π Interactions: Efficient Blue Light Emission and Third-Order Nonlinear Optical Response
Inorganic Chemistry Frontiers,
Год журнала:
2024,
Номер
11(23), С. 8431 - 8438
Опубликована: Янв. 1, 2024
Waterproof
0D
hybrid
Zn
halide
with
highly
efficient
blue
emission
and
third-order
nonlinear
optical
response
was
constructed
by
the
microregulating
of
π–π
interactions,
offering
new
insights
for
designing
stable
multifunctional
materials.
Язык: Английский
Rational Design of Single‐Component White‐Light Emissive Molecular Copper Clusters
Alain Rocheteau,
Lanig Lemeur,
Marie Cordier
и другие.
Advanced Optical Materials,
Год журнала:
2024,
Номер
13(2)
Опубликована: Ноя. 21, 2024
Abstract
The
development
of
low‐cost
and
earth‐abundant
phosphors
for
substituting
expensive
noble
metals
toxic
lead
materials
is
currently
major
importance
sustainable
solid‐state
lighting
technologies.
Hybrid
copper
halide
are
receiving
considerable
attention
due
to
their
unique
diverse
structural
photophysical
properties
combined
low
cost
toxicity.
This
article
reports
the
rational
design
iodide
compounds
developing
single‐component
white
light
emitters.
By
a
ligand
engineering
strategy,
energy
layout
molecular
clusters
can
be
adjusted
variation
in
relative
intensity
two
emission
bands
obtained,
enabling
emitted.
Temperature
dependence
this
dual‐emission
feature
also
allows
high
contrast
luminescence
thermochromism.
Thanks
good
solubility
properties,
studied
have
been
successfully
incorporated
within
organic
polymer
leading
with
processability
suitable
application
development.
Therefore,
potential
applicability
these
composite
has
demonstrated
various
fields
as
ratiometric
thermometry,
emitters
phosphor‐converted
white‐light
emitting
diodes,
ink
anticounterfeiting
properties.
study
highlights
power
strategy
develop
multifunctional
based
on
light‐emitting
materials.
Язык: Английский