Chemical Science,
Год журнала:
2024,
Номер
15(45), С. 18933 - 18942
Опубликована: Янв. 1, 2024
Hot
exciton
organic
scintillators
offer
promising
prospects
due
to
their
efficient
generation
of
bright
triplet
excitons
and
ultrafast
response
time,
having
potential
applications
in
security
detection
medical
diagnostics.
However,
fabricating
large-area,
highly
transparent
scintillator
screens
still
remains
challenging,
impeding
the
realization
high-resolution
X-ray
imaging.
Herein,
we
firstly
demonstrate
a
novel
highly-transparent
hot
glassy
(>87%
transmittance
@
450-800
nm),
produced
using
low-temperature
melt-quenching
method
with
2',5'-difluoro-
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(31), С. 41165 - 41175
Опубликована: Июль 25, 2024
Commercially
available
rare-earth-doped
inorganic
oxide
materials
have
been
widely
applied
as
X-ray
scintillators,
but
the
fragile
characteristics,
high
detection
limit,
and
harsh
preparation
condition
seriously
restrict
their
wide
applications.
Furthermore,
it
remains
a
huge
challenge
to
realize
flexible
imaging
technology
for
real-time
monitoring
of
curving
interface
complex
devices.
To
address
these
issues,
we
herein
report
two
isostructural
cuprous
halides
zero-dimensional
(0D)
[AEPipz]CuX3·X·H2O
(AEPipz
=
N-aminoethylpiperazine,
X
Br
I)
with
controllable
size
nanosize
crystal
highly
efficient
scintillators
toward
imaging.
These
exhibit
cyan
photoluminescence
radioluminescence
emissions
highest
quantum
yield
92.1%
light
62,400
photons
MeV–1,
respectively,
surpassing
most
commercially
scintillators.
Meanwhile,
ultralow
limit
95.7
nGyair
s–1
was
far
below
dose
required
diagnosis
(5.5
μGyair
s–1).
More
significantly,
film
is
facilely
assembled
excellent
foldability
crack
resistance,
which
further
acts
scintillation
screen
achieving
spatial
resolution
17.4
lp
mm–1
in
imaging,
demonstrating
potential
application
wearable
radiation
radiography.
The
combined
advantages
yield,
low
flexibility
promote
0D
promising
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 2, 2025
0D
hybrid
metal
halide
(HMH)
luminescent
glasses
have
garnered
significant
attentions
for
its
chemical
diversity
in
optoelectronic
applications
and
it
also
retains
the
skeleton
connectivity
coordination
mode
of
crystalline
counterparts
while
exhibiting
various
physics/chemistry
characteristics
distinct
from
states.
However,
understanding
glass-forming
ability
specific
structural
origins
underpinning
properties
HMH
remains
elusive.
In
this
review,
is
started
solid-liquid
phase
transition
thermodynamic
analysis
HMHs
formed
through
melt-quenching,
summarize
current
compounds
capable
stably
forming
glassy
phases
via
design.
The
characterization
methods
are
further
discussed
highlight
exceptional
transparency,
properties,
glass
crystallization
behaviors.
Moreover,
application
prospects
demonstrated
by
these
been
presented
accordingly
X-ray
detection
imaging,
anti-counterfeiting,
information
encryption.
Finally,
perspective
offered
into
future
development
emerging
family
their
applications.
Advanced Optical Materials,
Год журнала:
2024,
Номер
12(27)
Опубликована: Июнь 25, 2024
Abstract
Organic–inorganic
copper(I)
halides
(OICHs)
have
recently
attracted
great
attentions
for
their
unique
optoelectronic
properties.
However,
most
of
them
poor
stability
and
narrow
excitation
in
UV
region,
which
seriously
hinder
applications
efficient
white
light‐emitting
diodes
(WLEDs).
Herein,
0D
(C
19
H
18
P)
2
Cu
4
I
6
with
super
broad‐band
(300–500
nm)
yellow
emission
the
absolute
photoluminescence
quantum
yield
87.4%
is
synthesized
a
quantity
gram
scale.
Specifically,
possesses
exceptional
thermal‐,
photo‐,
air‐stability,
can
maintain
even
if
soaked
water,
ethyl
acetate,
isopropanol
over
30
days.
WLEDs
remarkable
color
under
various
driven
currents
are
fabricated
using
450,
400,
365,
310
nm
LED
chips.
The
ideal
based
on
single
by
450
chip
presents
high
rendering
index
86.7,
outstanding
luminous
efficiency
90
lm
W
−1
.
To
best
knowledge,
this
highest
value
that
achieved
single‐component
OICHs
blue
light
chip.
This
work
not
only
promotes
prospect
but
also
significantly
broadens
application
special
lighting
fields,
such
as
underwater
illumination.
Chemical Communications,
Год журнала:
2024,
Номер
60(68), С. 9034 - 9037
Опубликована: Янв. 1, 2024
Copper(
i
)
halides
with
different
polyhedron
units
were
obtained
via
solvent
volatilization,
showing
consecutive
structural
evolution
and
photoluminescence
tuning.
Inorganic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 18, 2025
The
glassy
state
of
inorganic-organic
hybrid
metal
halides
combines
their
excellent
optoelectronic
properties
with
the
outstanding
processability
glass,
showcasing
unique
application
potential
in
solar
devices,
display
technologies,
and
plastic
electronics.
Herein,
by
tailoring
organic
cation
from
N-phenylpiperazine
to
dimethylamine
gradually,
four
types
zero-dimensional
antimony
are
obtained
various
optical
thermal
properties.
guest
water
molecules
crystal
(N-phenylpiperazine)2SbCl6·Cl·5H2O
lead
largest
distortion
Sb-halogen
unit,
resulting
red
emission
different
yellow
other
compounds.
More
importantly,
molecule-induced
hydrogen-bond
network
would
prolong
relaxation
time
into
an
equilibrium
state,
formation
state.
This
is
previous
strategy
adopting
large
cations
for
glass
transition.
Through
rheological
studies,
we
shape
initial
understanding
underlying
kinetics
halide
glass.
work
provides
a
simpler
more
convenient
approach
developing
superior
processing
performance.
Inorganic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 24, 2025
Copper-based
halides
have
attracted
significant
attention
due
to
their
unique
photophysical
properties
and
diverse
coordination
configurations.
However,
enhancing
water
stability
modulating
structural
transitions
in
cuprous
halide
materials
remain
challenging.
In
this
work,
we
successfully
synthesized
three
copper(I)
halides,
(C24H28P)CuBr2
(L1,
[C24H28P]+
=
hexyltriphenylphosphonium),
(C24H28P)2Cu4Br6
(L2),
(C24H28P)2Cu4I6
(L3),
via
solvent
volatilization,
demonstrating
exceptional
even
after
27
days
of
submersion.
Crystals
L1
L2
emit
yellow
orange
light,
respectively,
under
ultraviolet
excitation,
while
L3
emits
green
light
when
excited
by
blue
light.
A
rapid
phase
transition
between
occurs
stimulated
with
methanol
at
room
temperature.
Further
exposure
a
NaI
solution
can
result
substitution
Br–
ions
I–
[Cu4Br6]2–
form
L3.
Multimodal
anticounterfeiting
luminescent
labels
high-security
levels
been
manufactured
based
on
sequential
→
transition.
Moreover,
test
paper
designed
be
applied
for
low-level
detection.
This
work
accomplishes
the
coregulation
transformations
luminescence
switching
combining
simulations
halogen
strategies,
which
not
only
deepens
understanding
structure–property
relationships
but
also
broadens
optical
applications
these
materials.
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.
Laser & Photonics Review,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 12, 2025
Abstract
0D
organic
Cu(I)
halides
have
gained
much
attention
for
their
fascinating
optical
properties.
However,
the
narrow
excitation
in
UV
region,
strong
afterglow,
and
poor
stability
severely
limit
applications.
Herein,
three
of
[Ba
2
(18‐crown‐6)
]Cu
4
Cl
8
·H
3
PO
·6H
O
(Compound‐Cl),
[Ba(18‐crown‐6)
Br
6
·CH
OH·H
(Compound‐Br),
I
(Compound‐I)
are
synthesized
via
supramolecular
assembly.
Compared
to
Compound‐Cl
with
Compound‐Br
feeble
photoluminescence
quantum
yield
(PLQY),
Compound‐I
exhibits
broadband
blue
light
characteristics,
excellent
stability,
efficient
yellow
emission
a
PLQY
99.4%.
A
high‐performance
single‐component
white
emitting
diode
is
fabricated
by
coating
powders
on
460
nm
chip,
which
shows
ultra‐high
luminous
efficiency
106
lm
W
−1
.
Under
X‐ray
irradiation,
has
high
87
100
photons
MeV
low
detection
45.9
nG
air
y
s
Moreover,
scintillation
screen
made
using
cold
pressing
method,
spatial
resolution
20.6
lp
mm
Based
remarkable
properties
short
decay
lifetime
1.9
µs
Compound‐I,
3D
image
reconstruction
screws
wrapped
capsule
combining
real‐time
dynamic
fusion,
as
well
multi‐angle
imaging
successfully
demonstrated.
