Advanced Materials Technologies,
Journal Year:
2023,
Volume and Issue:
8(17)
Published: June 21, 2023
Abstract
Layered
metal
halide
perovskites
have
attracted
enormous
research
attention
over
the
last
few
years,
befitting
their
unique
optical
and
electronic
properties.
Low‐dimensional
layered
demonstrate
great
potential
for
various
optoelectronic
sensing
applications
beyond
photovoltaics.
Herein,
recent
progress
opportunities
in
2D
quasi‐2D
light‐emitting
diodes
(LEDs),
lasers,
memristors,
neuromorphic/synaptic
applications,
UV–vis
photodetection,
X‐ray
detection,
scintillators,
photocatalytic
are
reviewed.
First,
crystal
structure,
characteristics,
fundamental
properties
of
discussed.
Recent
efforts
developments
perovskite
with
excellent
luminescence
Unique
perovskites,
such
as
negligible
leakage
current
due
to
restricted
carrier
transport,
high
stability,
hydrophobicity,
make
them
viable
memristor
devices.
After
discussing
neuromorphic
devices
using
outstanding
performance
photodetection
including
polarization‐sensitive
is
recently
proved
a
superior
candidate
detection
stability.
Further,
scintillation
ionizing
radiation
Finally,
some
very
achievements
present
future
outlook,
exciting
this
burgeoning
field
highlighted.
Advanced Science,
Journal Year:
2022,
Volume and Issue:
10(1)
Published: Dec. 1, 2022
Abstract
In
the
past
decade,
metal
halide
perovskite
(HP)
has
become
a
superstar
semiconductor
material
due
to
its
great
application
potential
in
photovoltaic
and
photoelectric
fields.
fact,
HP
initially
attracted
worldwide
attention
because
of
excellent
efficiency.
However,
derivatives
also
show
promise
X‐ray
detection
their
strong
absorption,
high
bulk
resistivity,
suitable
optical
bandgap,
compatibility
with
integrated
circuits.
this
review,
basic
working
principles
modes
both
direct‐type
indirect‐type
detectors
are
first
summarized
before
discussing
applicability
for
these
two
types
based
on
pros
cons
different
perovskites.
Furthermore,
authors
expand
view
preparation
methods
developed
including
single
crystals
polycrystalline
materials.
Upon
systematically
analyzing
photoelectronic
characteristics
basis
structures
dimensions
(0D,
2D,
3D),
recent
progress
HPs
(mainly
polycrystalline)
applied
flexible
reviewed,
practicability
feasibility
discussed.
Finally,
by
reviewing
current
research
HP‐based
detection,
challenges
field
identified,
main
directions
prospects
future
suggested.
Accounts of Chemical Research,
Journal Year:
2022,
Volume and Issue:
56(1), P. 37 - 51
Published: Dec. 19, 2022
X-ray
luminescence
is
an
optical
phenomenon
in
which
chemical
compounds
known
as
scintillators
can
emit
short-wavelength
light
upon
the
excitation
of
photons.
Since
X-rays
exhibit
well-recognized
advantages
deep
penetration
toward
tissues
and
a
minimal
autofluorescence
background
biological
samples,
has
been
increasingly
becoming
promising
tool
for
tackling
challenges
fields
imaging,
biosensing,
theragnostics.
In
recent
years,
emergence
nanocrystal
have
further
expanded
application
scenarios
luminescence,
such
high-resolution
autofluorescence-free
detection
biomarkers,
noninvasive
phototherapy
tissues.
Meanwhile,
holds
great
promise
breaking
depth
dependency
deep-seated
lesion
treatment
achieving
synergistic
radiotherapy
with
phototherapy.In
this
Account,
we
provide
overview
advances
developing
advanced
applications
theragnostics,
optogenetics
neuromodulation.
We
first
introduce
solution-processed
lead
halide
all-inorganic
perovskite
that
are
able
to
convert
photons
multicolor
luminescence.
developed
nanoscintillator-based
detector
imaging
internal
structure
electronic
circuits
samples.
development
flexible
using
solution-processable
lanthanide-doped
nanoscintillators
featuring
long-lived
image
three-dimensional
irregularly
shaped
objects.
also
outline
general
principles
high-contrast
vivo
combines
functional
biomolecules
aptamers,
peptides,
antibodies.
High-quality
nanoprobes
were
engineered
achieve
high-sensitivity
various
enabled
avoidance
interference
from
matrix
photon
scattering.
By
marrying
probes
stimuli-responsive
materials,
multifunctional
theragnostic
nanosystems
constructed
on-demand
gas
excellent
therapeutic
effects.
taking
advantage
capability
penetrate
skull,
demonstrated
controllable,
wireless
optogenetic
neuromodulation
while
obviating
damage
traditional
fibers.
Furthermore,
discussed
detail
some
future
terms
scintillator
synthesis
surface
modification,
mechanism
studies,
their
other
potential
useful
guidance
advancing
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(38)
Published: June 1, 2023
Halide
perovskites
(HPs)
recently
have
emerged
as
one
class
of
competitive
scintillators
for
X-ray
detection
and
imaging
owing
to
its
high
quantum
efficiency,
short
decay
time,
superior
absorption
capacity,
low
cost,
ease
crystal
growth.
The
tunable
structure
versatile
chemical
compositions
halide
provide
distinguishable
advantages
over
traditional
inorganic
optimizing
scintillation
performance.
Since
the
first
observation
phenomenon
in
HPs,
substantial
efforts
been
devoted
expanding
inventory
HP
regulating
material
properties.
Understanding
relationship
between
properties
is
essential
developing
materials
with
improved
capacities.
This
review
summarizes
strategies
improving
light
yield
provides
a
roadmap
Additionally,
methods
controlling
propagation
direction
are
highlighted
resolution.
Finally,
we
highlight
current
challenge
perspective
on
future
development
this
emerging
scintillator.
Communications Materials,
Journal Year:
2023,
Volume and Issue:
4(1)
Published: March 13, 2023
Abstract
Inorganic
scintillators
play
a
major
role
in
ionizing
radiation
detection
due
to
their
high
versatility
detect
multiple
sources
such
as
X-rays,
gamma-rays,
alpha,
beta,
and
neutron
particles,
fast
light
yield,
making
them
especially
convenient
for
imaging,
spectroscopy,
timing
applications.
Scintillators-based
systems
are
found,
among
various
applications,
medical
homeland
security,
high-energy
physics,
industrial
control,
oil
drilling
explorations,
energy
management.
This
Review
discusses
advances
prospects
of
perovskite
scintillators,
particularly
low-dimensional
hybrid
organic-inorganic
crystals
all-inorganic
nanocrystals.
We
highlight
the
promise
two-dimensional
lithium-doped
(PEA)
2
PbBr
4
CsPbBr
3
nanocrystals
with
yields,
exceeding
20
photons/keV,
decay
times
less
than
15
ns.
Such
combination
may
result
fast-spectral
X-ray
an
output
count
rate
30
Mcps/pixel
photon-counting
computed
tomography,
coincidence
resolution
100
ps
positron
emission
tomography.
review
recent
strategies
further
improve
time,
through
light-matter
interactions
extraction
efficiency
enhancement
Purcell-enhanced
scintillators.
These
advancements
yields
will
be
useful
security
Advanced Optical Materials,
Journal Year:
2023,
Volume and Issue:
11(15)
Published: May 23, 2023
Abstract
Lead‐free
metal
halides
are
considered
a
new
generation
of
optoelectronic
materials
due
to
their
low
toxicity,
superior
properties,
ease
synthesis,
structural
diversity,
and
cost.
In
particular,
Mn
2+
‐based
have
earned
intensive
attention
owing
high
emission
quantum
efficiency,
rich
physical
properties
(e.g.,
triboluminescence
stimuli‐responsivity),
cost,
toxicity.
Due
the
different
coordination
environments
ions,
can
exhibit
green,
red,
near‐infrared
emissions.
This
review
summarizes
recent
progress
in
synthesis
methods,
mechanisms,
photophysical
representative
applications
X‐ray
scintillations,
white
light‐emitting
diodes,
optical
anti‐counterfeiting
technologies,
fluorescent
sensors.
Finally,
challenges
potential
research
directions
toward
developing
also
predicted.
Nano-Micro Letters,
Journal Year:
2023,
Volume and Issue:
15(1)
Published: May 20, 2023
Abstract
Metal
halide
perovskites
have
recently
emerged
as
promising
candidates
for
the
next
generation
of
X-ray
detectors
due
to
their
excellent
optoelectronic
properties.
Especially,
two-dimensional
(2D)
afford
many
distinct
properties,
including
remarkable
structural
diversity,
high
energy,
and
balanced
large
exciton
binding
energy.
With
advantages
2D
materials
perovskites,
it
successfully
reduces
decomposition
phase
transition
perovskite
effectively
suppresses
ion
migration.
Meanwhile,
existence
a
hydrophobic
spacer
can
block
water
molecules,
thus
making
obtain
stability.
All
these
attracted
much
attention
in
field
detection.
This
review
introduces
classification
summarizes
synthesis
technology
performance
characteristics
direct
detector,
briefly
discusses
application
scintillators.
Finally,
this
also
emphasizes
key
challenges
faced
by
practical
presents
our
views
on
its
future
development.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(47)
Published: July 31, 2023
Abstract
Lead‐free
metal
halides
have
recently
received
sustained
attention
because
of
their
nontoxicity,
low‐cost,
as
well
excellent
stability
and
optoelectronic
properties.
However,
most
the
reported
lead‐free
are
synthesized
via
slow
solution‐processing
at
high
temperature
in
toxic
solvents,
which
may
impede
commercial
applications.
Here,
a
solvent‐free
strategy
is
proposed
to
synthesize
inorganic
rubidium
copper
(Rb
2
CuX
3
,
X
=
Cl,
Br)
room
temperature,
exhibit
efficient
violet
emission
dominated
by
self‐trapped
excitons
(STEs)
mechanism
attractive
stabilities
against
ultraviolet
illumination
heating.
Thus,
Rb
powders
employed
emitters
scintillators
applied
wireless
light
communication
X‐ray
imaging
technologies.
Under
orthogonal
frequency
division
multiplexing
modulation,
demonstrate
broad
−3
dB
bandwidth
26.3
MHz
data
rate
205.1
Mbps.
Additionally,
flexible
scintillation
films
based
on
as‐prepared
fabricated
show
outstanding
properties,
including
spatial
resolution
18.1
lp
mm
−1
low
detection
limit
104
nGy
air
s
promising
performance
for
irregular
objects.
These
results
suggest
large‐scale
production
nontoxic
potential
commercialization
fields
high‐speed
radiography.
Journal of the American Chemical Society,
Journal Year:
2023,
Volume and Issue:
145(25), P. 13816 - 13827
Published: June 19, 2023
Zero-dimensional
(0D)
scintillation
materials
have
drawn
tremendous
attention
due
to
their
inherent
advantages
in
the
fabrication
of
flexible
high-energy
radiation
screens
by
solution
processes.
Although
considerable
progress
has
been
made
development
0D
scintillators,
such
as
current
leading
lead-halide
perovskite
nanocrystals
and
quantum
dots,
challenges
still
persist,
including
potential
issues
with
self-absorption,
air
stability,
eco-friendliness.
Here,
we
present
a
strategy
overcome
those
limitations
synthesis
self-assembly
new
class
scintillators
based
on
metal
nanoclusters.
We
demonstrate
gram-scale
an
atomically
precise
nanocluster
Cu-Au
alloy
core
exhibiting
high
phosphorescence
yield,
aggregation-induced
emission
enhancement
(AIEE)
behavior,
intense
radioluminescence.
By
controlling
solvent
interactions,
AIEE-active
nanoclusters
were
self-assembled
into
submicron
spherical
superparticles
solution,
which
exploited
novel
building
block
for
particle-deposited
films
high-resolution
X-ray
imaging
performance.
This
work
reveals
superstructures
promising
practical
applications
detection
imaging.
Small Methods,
Journal Year:
2023,
Volume and Issue:
7(4)
Published: Feb. 21, 2023
Spectral
sensing
plays
a
crucial
part
in
imaging
technologies,
optical
communication,
and
other
fields.
However,
complicated
elements,
such
as
prisms,
interferometric
filters,
diffraction
grating,
are
required
for
commercial
multispectral
detectors,
which
hampers
their
advance
toward
miniaturization
integration.
In
recent
years,
metal
halide
perovskites
have
been
emerging
optical-component-free
wavelength-selective
photodetectors
(PDs)
because
of
continuously
tunable
bandgap,
fascinating
optoelectronic
properties,
simple
preparation
processes.
this
review,
advances
perovskite
PDs,
including
narrowband
dual-band
multispectral-recognizable
X-ray
highlighted,
with
an
emphasis
on
device
structure
designs,
working
mechanisms,
performances.
Meanwhile,
the
applications
PDs
image
single-/dual-color
imaging,
full-color
introduced.
Finally,
remaining
challenges
perspectives
field
presented.
