Simultaneous achieving color‐tuning long persistent luminescence and phosphorescent quantum yield of 81.05% in 2D organic metal halide perovskite
Aggregate,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 24, 2024
Abstract
Ionically
bonded
organic
metal
halide
perovskite‐like
luminescent
materials,
which
incorporate
cations
and
halides,
have
emerged
as
a
versatile
multicomponent
material
system.
However,
these
materials
still
face
challenges
in
terms
of
low
phosphorescence
quantum
yields
limited
long
persistent
luminescence
(LPL)
colors.
Herein,
we
present
the
design
synthesis
an
intraligand
charge‐transfer
organic‐based
material,
form
compact
supramolecular
hydrogen‐bonded
framework
(HOF)
structure,
exhibiting
crystallization‐induced
emission
ligand,
while
halides
unique
two‐dimensional
(2D)
structure
that
displays
intrinsic
self‐trapped
excitons
(STE)
under
radiation
UV
light.
Notably,
hybrid
is
found
to
exhibit
enhanced
phosphorescent
photoluminescence
efficiency
up
81.05%
tunable
LPL
from
cyan
orange
compared
pristine
phosphor,
due
structural
distortion
scaffolding
effects
2D
well
well‐packed
HOF
structure.
Optical
characterizations
theoretical
calculations
reveal
charge
transfer
halogen
ligand
STE
inorganic
layers
are
responsible
for
LPL.
Meanwhile,
high‐efficiency
yield
attributed
stronger
hydrogen
bond
stacking
bands.
Thus,
obtained
provides
potentials
anti‐counterfeiting,
security
systems,
so
on.
Язык: Английский
One-dimensional Hybrid Copper Halides with High-Efficiency Photoluminescence as Scintillator
Zhongliang Gong,
Jie Zhang,
Ying-Yue Liu
и другие.
Chemical Communications,
Год журнала:
2024,
Номер
60(76), С. 10528 - 10531
Опубликована: Янв. 1, 2024
A
new
one-dimensional
hybrid
[APCHA]Cu
Язык: Английский
Controllable Multi‐exciton Zero‐dimensional Antimony‐based Metal Halides for White‐light Emission and β‐ray Detection
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 11, 2024
Self-trapped
exciton
(STE)
emission,
typified
by
antimony
(Sb),
with
broadband
characteristics,
represents
the
next
generation
of
materials
for
solid-state
lighting
and
radiation
detection.
However,
little
is
known
about
multiexciton
behavior
Sb
emission
center.
Here,
we
proposed
a
general
approach
designing
antimony-centered
multi-exciton
emitting
through
self-assembly.
Benefitting
from
controllable
behavior,
dual-band
white
light
spanning
entire
visible
spectrum
was
achieved.
Relying
on
reduction
an
effective
atomic
number
brought
self-assembly,
excellent
scintillation
response
to
β-rays
attained.
This
study
offers
unprecedented
insight
into
hybrid
single/triple
STE
unveils
new
avenues
single-emitter
white-light
as
well
radiographic
testing
using
low-risk
sources.
Язык: Английский
Emerging Hybrid Metal Halide Glasses for Sensing and Displays
Sensors,
Год журнала:
2024,
Номер
24(16), С. 5258 - 5258
Опубликована: Авг. 14, 2024
Glassy
hybrid
metal
halides
have
emerged
as
promising
materials
in
recent
years
due
to
their
high
structural
adjustability
and
low
melting
points,
offering
unique
merits
that
overcome
the
limitations
of
crystalline
polycrystalline
counterparts
well
other
conventional
amorphous
semiconductors.
This
review
article
comprehensively
explores
characteristics,
electronic
properties,
chemical
coordination
halides,
emphasizing
role
glass
transition
from
phase
phase.
We
examine
intrinsic
disorder
within
facilitates
light
transmission
discuss
advances
device
architecture
interface
engineering
by
optimizing
charge
transport
glassy
for
high-quality
applications.
With
full
theoretical
understanding
rational
design,
potential
applications
displays,
information
storage,
X-ray
imaging,
sensing
are
highlighted,
underscoring
transformative
impact
fields
science
science.
Язык: Английский
Controllable Multi‐exciton Zero‐dimensional Antimony‐based Metal Halides for White‐light Emission and β‐ray Detection
Angewandte Chemie,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 11, 2024
Abstract
Self‐trapped
exciton
(STE)
emission,
typified
by
antimony
(Sb),
with
broadband
characteristics,
represents
the
next
generation
of
materials
for
solid‐state
lighting
and
radiation
detection.
However,
little
is
known
about
multiexciton
behavior
Sb
emission
center.
Here,
we
proposed
a
general
approach
designing
antimony‐centered
multi‐exciton
emitting
through
self‐assembly.
Benefitting
from
controllable
behavior,
dual‐band
white
light
spanning
entire
visible
spectrum
was
achieved.
Relying
on
reduction
an
effective
atomic
number
brought
self‐assembly,
excellent
scintillation
response
to
β‐rays
attained.
This
study
offers
unprecedented
insight
into
hybrid
single/triple
STE
unveils
new
avenues
single‐emitter
white‐light
as
well
radiographic
testing
using
low‐risk
sources.
Язык: Английский