Chemical Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
Eco-friendly
chiral
Mn
complexes
with
Binapo
ligands
show
red
CPL
(
g
lum
=
5.1
×
10
−3
)
and
efficient
(EQE
>
4%
EL
−8.5
),
outperforming
many
Pt
Ir-based
devices,
paving
the
way
for
sustainable
materials.
Nanoscale,
Год журнала:
2023,
Номер
15(33), С. 13628 - 13634
Опубликована: Янв. 1, 2023
All-inorganic
metal
halide
perovskite
(MHP)
materials
have
been
widely
studied
because
of
their
unique
optoelectronic
properties,
whereas
there
has
little
research
reported
on
X-ray
afterglow
imaging
properties.
Herein,
we
report
the
design
and
synthesis
Mn2+-doped
hexagonal
CsCdCl3
MHP
crystals
with
excellent
scintillation
induced
afterglow.
The
orange
emission
from
Mn2+
shows
a
red
shift
due
to
strong
interaction
Mn2+-Mn2+
dimers
formed
at
higher
doping
concentrations.
high-energy
X-rays
electron
filling
capacity
feed
shallow
(0.71
eV)
deep
(0.90-1.08
traps
enable
long
for
more
than
300
min.
can
be
rejuvenated
effectively
by
870
nm
stimulus
or
heating
even
after
72
h
decay.
Finally,
demonstrate
proof-of-concept
applications
fabricated
flexible
scintillator
films
real-time
online
spatial
resolution
12.2
lp
mm-1,
as
well
time-lapse
recorded
cell
phone,
which
promise
being
able
do
offline
late-time
detection
in
future.
ACS Nano,
Год журнала:
2024,
Номер
18(26), С. 16715 - 16725
Опубликована: Июнь 14, 2024
Nonlead
low-dimensional
halide
perovskites
attract
considerable
attention
as
X-ray
scintillators.
However,
most
scintillation
screens
exhibit
pronounced
light
scattering,
which
detrimentally
reduces
the
quality
of
imaging.
Herein,
we
employed
a
simple
and
straightforward
solvent-free
melt-quenching
method
to
fabricate
large-area
zero-dimension
(0D)
antimony-based
perovskite
transparent
medium,
namely
(C
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 5, 2024
Organic-inorganic
hybrid
manganese(II)
halides
(OIMnHs)
have
garnered
tremendous
interest
across
a
wide
array
of
research
fields
owing
to
their
outstanding
optical
properties,
abundant
structural
diversity,
low-cost
solution
processibility,
and
low
toxicity,
which
make
them
extremely
suitable
for
use
as
new
class
luminescent
materials
various
optoelectronic
applications.
Over
the
past
years,
plethora
OIMnHs
with
different
dimensionalities
multifunctionalities
such
efficient
photoluminescence
(PL),
radioluminescence,
circularly
polarized
luminescence,
mechanoluminescence
been
newly
created
by
judicious
screening
organic
cations
inorganic
Mn(II)
polyhedra.
Specifically,
through
precise
molecular
engineering,
series
near-unity
PL
quantum
yields,
high
anti-thermal
quenching
excellent
stability
in
harsh
conditions
devised
explored
applications
light-emitting
diodes
(LEDs),
X-ray
scintillators,
multimodal
anti-counterfeiting,
fluorescent
sensing.
In
this
review,
latest
advancements
development
are
summarized,
covers
from
fundamental
physicochemical
properties
advanced
applications,
an
emphasis
on
functionality
design
especially
LEDs
detection
imaging.
Current
challenges
future
efforts
unlock
potentials
these
promising
also
envisioned.
Advanced Optical Materials,
Год журнала:
2024,
Номер
12(16)
Опубликована: Фев. 21, 2024
Abstract
Antimony
(III)‐containing
halide
hybrids
possess
a
distinctive
stereoactivity
with
5s
2
lone
pair,
which
further
induces
significant
structural
distortions
upon
light
excitation.
Herein
disordered
dis
‐[TPPen]
SbBr
5
(TPPen
=
triphenylpentylphosphonium)
and
ordered
ord
,
have
been
synthesized
exhibit
self‐trapped
excitons
(STEs)
emissions
in
the
red‐to‐near
infrared
(NIR)
range.
Benefiting
from
high
distortion
degree
of
STEs
confined
within
[SbBr
]
2−
unit
pronounced
alterations
Sb─Br
bond
lengths
blue‐light
excitation,
achieves
greater
level
excited
state
larger
Stokes
shift
than
those
.
The
fabrication
blue
NIR
light‐emitting
device
based
on
demonstrates
prospective
application
night
vision
supplemental
lighting
non‐destructive
examination.
This
work
provides
valuable
molecular
design
strategies
for
luminescent
materials
hybrid
metal
halides.
Inorganic Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 23, 2024
The
increasing
demands
in
optoelectronic
applications
have
driven
the
advancement
of
organic–inorganic
hybrid
metal
halides
(OIMHs),
owing
to
their
exceptional
optical
and
scintillation
properties.
Among
them,
zero-dimensional
(0D)
low-toxic
manganese-based
scintillators
garnered
significant
interest
due
transparency
elevated
photoluminescence
quantum
yields
(PLQYs),
making
them
promising
for
colorful
light-emitting
diodes
X-ray
imaging
applications.
In
this
study,
two
OIMH
single
crystals
(Br-PrTPP)2MnBr4
(Br-PrTPP
=
(3-bromopropyl)
triphenylphosphonium)
(Br-BuTPP)2MnBr4
(Br-BuTPP
(4-bromobutyl)
were
prepared
via
a
facile
saturated
crystallization
method.
Benefiting
from
tetrahedrally
coordinated
[MnBr4]2–
polyhedron,
both
exhibited
strong
green
emissions
peaked
at
517
nm
d–d
electron
transition
Mn2+
with
near-unity
PLQYs
99.33
86.85%,
respectively.
Moreover,
benefiting
high
transparencies
remarkable
luminescence
properties,
these
manganese
also
exhibit
excellent
radioluminescent
performance
highest
light
yield
up
68,000
photons
MeV–1,
negligible
afterglow
(0.4
ms),
linear
response
dose
rate
lowest
detection
limit
45
nGyair
s–1.
imaging,
flexible
film
made
by
composite
PDMS
shows
an
ultrahigh
spatial
resolution
12.78
lp
mm–1,
which
provides
potential
visualization
tool
radiography.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(38)
Опубликована: Апрель 25, 2024
Abstract
Inorganic
scintillators
play
a
pivotal
role
in
diverse
fields
like
medical
imaging,
nondestructive
detection,
homeland
security,
and
high‐energy
physics.
However,
traditional
inorganic
encounter
challenges
such
as
high
fabrication
costs
low
light
yield.
Recently,
low‐dimensional
metal
halide
(LDMHS)
have
witnessed
rapid
progress,
owing
to
their
distinctive
crystal
structure
superior
radioluminescence
performance.
Herein,
an
overview
of
recent
advancements
proposed
instructive
pathways
for
achieving
high‐performance
LDMHS
is
provided.
First,
the
scintillation
physical
mechanism
emphasis
on
essential
requirements
applications
are
elucidated.
Furthermore,
classified
according
B‐site
cations,
respective
characteristics
introduced.
This
encompasses
understanding
structure‐property
relationships
routes
rules
optimizing
Finally,
persisting
this
burgeoning
field
potential
research
directions
future
exploration
discussed.
Chemistry of Materials,
Год журнала:
2024,
Номер
36(6), С. 2963 - 2970
Опубликована: Март 13, 2024
Processing
luminescent
metal
halide
microcrystals
into
counterpart
nanocrystals
(NCs)
can
rationally
enhance
the
resolution
in
X-ray
scintillation
imaging.
It
remains
a
challenge
for
controlled
synthesis
of
hybrid
NC
luminescence
materials,
which
is
important
fabrication
organic
films.
Herein,
we
design
copper(I)-based
Cu6I8(bu-ted)2
(Cu6I8C20H42N4)
(bu-ted:
1-butyl-1,4-diazabicyclo
[2.2.2]
octan-1-ium)
NCs
via
surfactant-assisted
method
utilizing
surface
tension
to
limit
crystal
size.
with
prominent
near-to-unity
photoluminescence
quantum
yield
results
ultrahigh
light
output
that
calculated
be
480%
commercial
Lu3Al5O12:Ce3+
scintillator
low
detection
32
nGy/s.
imaging
spatial
17
lp
mm–1
demonstrated
based
on
large-area
composite
screens.
This
study
provides
foundation
nanocrystallize
scintillators