Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(25)
Published: April 18, 2024
Abstract
All‐inorganic
metal
halides
with
afterglow
emission
have
attracted
increasing
attention
due
to
their
significantly
longer
duration
and
higher
stability
compared
organic–inorganic
hybrid
counterparts.
However,
colors
not
yet
reached
the
blue
spectral
region.
Here,
we
report
all‐inorganic
copper‐doped
Rb
2
AgBr
3
single
crystals
ultralong
(>300
s)
by
modulating
defect
states
through
doping
engineering.
The
introduction
of
copper(I)
ions
into
facilitates
formation
bromine
vacancies,
thus
density
trap
available
for
charge
storage
enabling
bright,
persistent
after
ceasing
excitation.
Moreover,
cascade
energy
transfer
between
distinct
emissive
centers
in
results
ultra‐broadband
photoluminescence,
only
covering
whole
white
light
near‐unity
quantum
yield
but
also
extending
near‐infrared
This
‘cocktail’
exotic
light‐emission
properties,
conjunction
excellent
crystals,
allowed
us
demonstrate
implementation
solid‐state
lighting,
night
vision,
intelligent
anti‐counterfeiting.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(44)
Published: Feb. 28, 2023
Abstract
Recently,
the
newly‐emerging
lead‐free
metal‐halide
materials
with
less
toxicity
and
superior
optoelectronic
properties
have
received
wide
attention
as
safer
potentially
more
robust
alternatives
to
lead‐based
perovskite
counterparts.
Among
them,
ternary
copper
halides
(TCHs)
become
a
vital
group
due
their
unique
features,
including
abundant
structural
diversity,
ease
of
synthesis,
unprecedented
properties,
high
abundance,
low
cost.
Although
recent
efforts
in
this
field
made
certain
progresses,
some
scientific
technological
issues
still
remain
unresolved.
Herein,
comprehensive
up‐to‐date
overview
progress
on
fundamental
characteristics
TCH
versatile
applications
is
presented,
which
contains
topics
such
as:
i)
crystal
electronic
structure
features
synthesis
strategies;
ii)
mechanisms
self‐trapped
excitons,
luminescence
regulation,
environmental
stability;
iii)
burgeoning
devices
phosphor‐converted
white
light‐emitting
diodes
(WLEDs),
electroluminescent
LEDs,
anti‐counterfeiting,
X‐ray
scintillators,
photodetectors,
sensors,
memristors.
Finally,
current
challenges
together
future
perspectives
development
are
also
critically
described,
considered
be
critical
for
accelerating
commercialization
these
rapidly
evolving
technologies.
ACS Energy Letters,
Journal Year:
2023,
Volume and Issue:
8(3), P. 1362 - 1370
Published: Feb. 10, 2023
Copper-based
halide
scintillators
have
attracted
considerable
interest
because
of
their
high
light
yields,
low
detection
limits,
toxicity,
and
moderate
fabrication
conditions.
Here,
we
synthesized
two
Cu(I)
iodide
inks,
comprising
zero-dimensional
Cu4I6(L1)2
nanoparticles
(L1
=
1-propyl-1,4-diazabicyclo[2.2.2]octan-1-ium)
one-dimensional
Cu4I6(L2)2
nanorods
(L2
4-dimethylamino-1-ethylpyridinium)
for
X-ray
imaging
application.
The
exhibited
broadband
green
yellow
emission
with
an
ultrahigh
photoluminescence
quantum
yield
95.3%
92.2%,
respectively.
Consequently,
the
ink-based
screens
limits
96.4
102.1
nGy
s–1,
respectively,
which
are
approximately
55
times
lower
than
dose
required
standard
medical
diagnosis
(5.5
μGy
s–1).
Importantly,
both
scintillation
extraordinary
resolutions
exceeding
30
lp
mm–1,
more
double
those
conventional
CsI:Tl
Ga2O2S:Tb
scintillators.
This
study
provides
a
new
avenue
exploring
high-resolution
on
basis
Cu-based
ink
radiography
nondestructive
detection.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(26)
Published: March 27, 2023
High-performance
X-ray
scintillators
with
low
detection
limits
and
high
light
yield
are
of
great
importance
a
challenge
for
low-dose
imaging
in
medical
diagnosis
industrial
detection.
In
this
work,
the
synthesis
new
2D
perovskite,
Cs2
CdBr2
Cl2
,
via
hydrothermal
reaction
is
reported.
By
doping
Mn2+
into
yellow
emission
located
at
593
nm
obtained,
photoluminescence
quantum
(PLQY)
:5%Mn2+
perovskite
reaches
highest
value
98.52%.
The
near-unity
PLQY
negligible
self-absorption
enable
excellent
scintillation
performance
64
950
photons
MeV-1
limit
17.82
nGyair
s-1
.
Moreover,
combining
poly(dimethylsiloxane)
to
fabricate
flexible
scintillator
screen
achieves
resolution
12.3
line
pairs
(lp)
mm-1
results
suggest
that
promising
candidate
high-resolution
imaging.
study
presents
approach
designing
high-performance
through
metal-ion
doping.
Chemistry of Materials,
Journal Year:
2023,
Volume and Issue:
35(17), P. 6598 - 6611
Published: Aug. 17, 2023
Multifunctional
stimuli-responsive
luminescent
and
optical
switching
is
extremely
crucial
for
wide
advanced
photonic
applications,
but
it
remains
a
challenging
objective
halide
perovskites.
Herein,
by
performing
single-crystal
to
(SC–SC)
transformation
as
dynamic
molecular
strategy,
we
realized
reversible
triple-mode
photoluminescence,
radioluminescence
(PL
RL),
nonlinear
(NLO)
in
pair
of
zero-dimensional
(0D)
hybrid
cuprous
halides
[ETPP]2Cu4Br6
[ETPP]CuBr2.
Specifically,
[ETPP]CuBr2
display
highly
efficient
yellow
green
light
emissions
under
UV
excitation
with
the
highest
quantum
yield
up
near
unity.
Simultaneously,
identical
can
also
be
activated
using
X-ray
RL
57,974
photons
MeV–1,
surpassing
most
previously
reported
halides.
Most
remarkably,
SC–SC
between
them
an
ethanol
impregnation-heating
process,
which
provides
PL/RL
transitions
two
light-emitting
states.
Additionally,
this
process
accompanied
transition
centrosymmetric
NLO-inactive
noncentrosymmetric
NLO-active
through
second
harmonic
generation
(SHG)
"silent-active"
switching.
To
best
our
knowledge,
first
PL,
RL,
SHG
perovskite
chemistry,
realize
applications
data
storage,
information
security,
logic
gates,
etc.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 9, 2024
Abstract
Research
on
organic–inorganic
hybrid
materials
(OIHMs)
has
experienced
explosive
growth
in
the
past
decades.
The
diversity
of
organic
components
allows
for
introduction
various
spatial
scales,
functional
groups,
and
polarities,
while
inorganic
provide
higher
hardness,
heat
resistance,
stability,
their
flexible
combination
facilitates
formation
diverse
structures.
Furthermore,
simple
cost‐effective
synthesis
methods,
such
as
room
temperature
solution
processes
mechanochemical
techniques,
enable
precise
control
over
materials'
properties
at
different
thus
achieving
adjustable
structure–performance
relationships.
This
review
will
discuss
recent
research
progress
OIHMs
within
field
optoelectronics
related
optoelectronic
device
applications.
According
to
dimension
nature
interface,
this
divides
into
four
structural
categories.
ongoing
revealed
applications
fields
solar
cells,
light‐emitting
devices,
detectors,
memristors.
As
an
outlook,
potential
perovskite
0D
metal
halide
materials,
which
are
currently
most
studied,
enhancing
performance
stability
is
discussed.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(24)
Published: April 15, 2024
Exploration
of
efficient
red
emitting
antimony
hybrid
halide
with
large
Stokes
shift
and
zero
self-absorption
is
highly
desirable
due
to
its
enormous
potential
for
applications
in
solid
light
emitting,
active
optical
waveguides.
However,
it
still
challenging
rarely
reported.
Herein,
a
series
(TMS)
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 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.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(26), P. 16715 - 16725
Published: June 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
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(45)
Published: Sept. 25, 2023
Abstract
Eco‐friendly
lead‐free
organic–inorganic
manganese
halides
(OIMHs)
have
attracted
considerable
attention
in
various
optoelectronic
applications
because
of
their
superior
optical
properties
and
flexible
solution
processibility.
Herein,
we
report
a
novel
pseudo‐2D
layered
OIMH
(MTP)
2
MnBr
4
(MTP:
methyltriphenylphosphonium),
which
exhibits
intense
green
emission
under
UV/blue
or
X‐ray
excitation,
with
near‐unity
photoluminescence
quantum
yield,
high
resistance
to
thermal
quenching
(I
150
°C
=84.1
%)
good
photochemical
stability.
These
features
enable
as
an
efficient
phosphor
for
blue‐converted
white
light‐emitting
diodes,
demonstrating
commercial‐level
luminous
efficiency
101
lm
W
−1
wide
color
gamut
116
%
NTSC.
Moreover,
these
crystals
showcase
outstanding
scintillation
properties,
delivering
light
yield
67000
photon
MeV
,
detection
limit
82.4
nGy
s
competitive
spatial
resolution
6.2
lp
mm
imaging.
This
work
presents
new
avenue
the
exploration
eco‐friendly
luminescent
OIMHs
towards
multifunctional
applications.
ACS Applied Materials & Interfaces,
Journal Year:
2023,
Volume and Issue:
15(40), P. 47238 - 47249
Published: Sept. 28, 2023
Zero-dimensional
(0D)
Mn2+-based
metal
halides
used
as
luminescent
materials
and
scintillators
have
become
a
research
hotspot
in
the
field
of
photoelectric
devices
due
to
their
unique
composition,
structure,
fluorescence
properties.
It
is
great
value
explore
new
achieve
multifunctional
applications.
Herein,
novel
0D
halide
single
crystal
(BPTP)2MnBr4
synthesized
by
simple
solvent–antisolvent
recrystallization
method.
Under
excitation
at
468
nm,
shows
pronounced
narrow-band
green
luminescence
centered
515
nm
derived
from
d–d
transition
Mn2+
ion.
This
emission
has
relatively
narrow
full
width
half
maximum
43
high
photoluminescence
quantum
yield
(PLQY)
82%.
In
addition,
exhibits
good
thermal
stability
393
K
with
retention
79%
initial
intensity
298
K.
Benefiting
its
strong
blue
light
excitation,
PLQY,
stability,
we
manufacture
an
ideal
white
light-emitting
diode
(LED)
device
using
460
LED
chip,
green-emitting
(BPTP)2MnBr4,
commercial
K2SiF6:Mn4+
red
phosphor.
20
mA
drive
current,
luminous
efficiency
112
lm/W
wide
color
gamut
110.8%,
according
National
Television
System
Committee
standard.
crystals
show
X-ray
absorption.
Based
on
Lu3Al5O12:Ce3+
scintillator,
calculated
reaches
up
about
136,000
photons/MeV
detection
limit
0.282
μGyair
s–1.
Additionally,
melt
quenching
approach
construct
clear
glass
scintillation
screen,
realizing
spatial
resolution
10.1
lp/mm.
The
proper
performances
phosphor-converted
scintillator
addition
eco-friendly,
low-cost
solution
processability
make
potential
for