Luminescent Properties and Thermal Stability of [PPh4][Cu3I4] with a Unique Helical Structure
Molecules,
Год журнала:
2025,
Номер
30(3), С. 543 - 543
Опубликована: Янв. 25, 2025
Hybrid
halocuprates
(I)
with
organic
cations
show
great
potential
for
optoelectronic
applications
due
to
their
tunable
luminescence
and
high
thermal
stability.
In
this
study,
the
iodocuprate
[PPh4][Cu3I4],
featuring
unique
helical
chains
of
face-sharing
tetrahedra,
was
synthesized
characterized.
This
compound
exhibits
a
bandgap
3.1
eV
orange
at
low
temperature,
attributed
self-trapped
exciton
emission.
[PPh4][Cu3I4]
demonstrates
exceptional
stability
among
hybrid
decomposition
above
380
°C,
forming
stable
melt
~255
°C
without
Cu+
oxidation
in
ambient
atmosphere.
Язык: Английский
Emission regulation in 0D hybrid copper halides via structural transformation: from defect to non-defect states for information encryption and storage
Chinese Chemical Letters,
Год журнала:
2025,
Номер
unknown, С. 110858 - 110858
Опубликована: Янв. 1, 2025
Язык: Английский
Thermally Activated Delayed Fluorescence of Organic–Inorganic Hybrid Menshutkin-Type Cu–Sb Halides
Inorganic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 19, 2025
Organic-inorganic
hybrid
metal
halides
have
attracted
much
attention
due
to
their
excellent
optoelectronic
properties.
The
heterometallic
structure
is
expected
achieve
more
complex
luminescence
centers,
thereby
improving
the
tunability
of
fluorescent
materials.
This
paper
reports
synthesis
crystals
[Cu(2,2'-bpy)(PPh3)2][CuCl2(PPh3)2Sb2OCl4]
(1,
2,2'-bpy
=
2,2'-bipyridine,
PPh3
triphenylphosphine)
and
(Mim)2[Sb2OCl6]
(2,
Mim
1-methylimidazole).
Crystal
1
a
new
Menshutkin-type
compound
with
double-layer
hamburger-type
structure,
which
characterized
by
main
group
(lone
pair)···π
(arene)
supramolecular
interactions.
shows
bright
yellow
light
emission
at
room
temperature
has
thermally
activated
delayed
fluorescence
(TADF)
characteristic
than
twice
increase
PL
intensity
from
170
320
K.
crystal
arises
charge
transfer
cation
unit,
as
confirmed
comparison
study
2.
Density
functional
theory
(DFT)
calculations
further
clarify
that
enhanced
performance
narrower
bandgap
are
additional
Cu(I)
unit.
good
thermal
stability
air
stability,
ensuring
its
anti-counterfeiting
application.
work
provides
strategy
for
construction
Cu-Sb
compound.
Язык: Английский
Novel Orange–Red Emissive Organic–Inorganic Hybrid Copper Halide for White Light-Emitting Diodes Application
Lingling Xie,
Ning Lv,
Xuelu Wang
и другие.
Optics Letters,
Год журнала:
2025,
Номер
50(8), С. 2731 - 2731
Опубликована: Март 24, 2025
Organic–inorganic
hybrid
copper(I)-based
metal
halides
(OIHCMHs)
have
emerged
as
promising
alternatives
to
lead
perovskites
due
their
exceptional
optical
properties.
However,
the
lack
of
low-energy
light-emitting
compounds
prohibits
further
applications.
Herein,
we
report
an
orange–red
emissive
(C
19
H
18
P)
2
Cu
4
Br
6
with
a
zero-dimensional
structure.
The
photoluminescence
(PL)
peak
locates
at
640
nm
PL
quantum
yield
69.3%,
and
large
Stokes
shift
is
245
nm.
Experimental
analyses
demonstrate
bright
broadband
light
emission
derived
from
synergistic
effect
metal-to-ligand
charge
transfer
or
halide-to-ligand
(MLCT/HLCT)
excited
state
cluster-centered
(CC)
state.
Furthermore,
can
be
used
phosphor
for
didoes
(LEDs),
by
adding
other
blue-
cyan-emitting
phosphors,
white
LED
high
color
rendering
index
over
94
achieved.
This
work
not
only
demonstrates
material
design
strategies
preparing
OIHCMHs
but
also
inspires
potential
low-dimensional
in
quality
Язык: Английский
Near-unity room-temperature phosphorescence quantum yield induced by halogen–halogen interaction in chiral hybrid copper(i) iodide clusters
Inorganic Chemistry Frontiers,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
In
this
study,
two
pairs
of
0D
chiral
copper
iodide
clusters
were
synthesized.
The
structural
rigidity
is
increased
by
halogen
modulation
to
obtain
a
near
unity
PLQY.
applications
in
white
LED
and
X-ray
imaging
are
extremely
promising.
Язык: Английский
One‐Step Synthesis of Recyclable 0D Hybrid Mn(II)‐Based Halide Scintillator for X‐Ray Imaging
Laser & Photonics Review,
Год журнала:
2025,
Номер
unknown
Опубликована: Июнь 1, 2025
Abstract
0D
organic‐inorganic
hybrid
metal
halides
(OIHMHs)
are
renowned
as
promising
candidates
for
the
next‐generation
X‐ray
scintillators
due
to
their
intense
radioluminescence
and
eco‐friendliness.
However,
conventional
solution‐processing
method
synthesizing
OIHMHs
is
not
amenable
large‐scale
production,
hindering
widespread
application.
In
this
study,
a
highly
efficient
recyclable
scintillator
based
on
OIHMHs,
(EDMIM)
2
MnBr
4
(EDMIM
=
C
7
H
13
N
),
which
can
be
produced
using
one‐step
synthesis
process,
introduced.
The
as‐synthesized
exhibits
bright
green
emission
peaking
at
532
nm,
with
remarkable
photoluminescence
quantum
yield
(PLQY)
of
92.49%.
corresponding
perform
an
excellent
linear
response
dose
rates,
light
58,843
photons
MeV
−1
low
detection
limit
93
nGy
s
.
By
employing
spatially
confined
strategy
combined
gradient
cooling
technique,
scintillation
screen
achieving
ultra‐high
spatial
resolution
19.3
lp
mm
fabricated.
Furthermore,
outstanding
thermoplastic
recyclability
enables
its
reuse
in
imaging.
This
work
only
offers
novel
approach
facile
fabrication
high‐performance
halide
scintillators,
but
also
significantly
advances
development
imaging
applications.
Язык: Английский