Nanophotonics,
Journal Year:
2024,
Volume and Issue:
13(11), P. 1953 - 1962
Published: April 12, 2024
Abstract
Following
the
discovery
of
X-rays,
scintillators
are
commonly
used
as
high-energy
radiation
sensors
in
diagnostic
medical
imaging,
physics,
astrophysics,
environmental
monitoring,
and
security
inspections.
Conventional
face
intrinsic
limitations
including
a
low
extraction
efficiency
scintillated
light
emission
rate,
leading
to
efficiencies
that
less
than
10
%
for
commercial
scintillators.
Overcoming
these
will
require
new
materials
scintillating
nanomaterials
(“nanoscintillators”),
well
photonic
approaches
increase
scintillation
process,
rate
materials,
control
directivity
light.
In
this
perspective,
we
describe
emerging
nanoscintillating
three
nanophotonic
platforms:
(i)
plasmonic
nanoresonators,
(ii)
crystals,
(iii)
high-Q
metasurfaces
could
enable
high
performance
We
further
discuss
how
combination
nanoscintillators
structures
can
yield
“super
scintillator”
enabling
ultimate
spatio-temporal
resolution
while
significant
boost
extracted
emission.
RSC Advances,
Journal Year:
2024,
Volume and Issue:
14(10), P. 6656 - 6698
Published: Jan. 1, 2024
Perovskite-based
X-ray
detection
and
imaging
have
reached
new
milestones
due
to
rapid
advancements
in
evolution
of
materials,
cost-effective
fabrication
techniques,
architectural
modifications
device
design.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(8), P. 6095 - 6110
Published: Feb. 19, 2024
Halide
perovskites
have
emerged
as
highly
promising
materials
for
ionizing
radiation
detection
due
to
their
exceptional
characteristics,
including
a
large
mobility-lifetime
product,
strong
stopping
power,
tunable
band
gap,
and
cost-effective
crystal
growth
via
solution
processes.
Semiconductor-type
X-ray
detectors
employing
various
micro/nano
perovskite
shown
impressive
progress
in
achieving
heightened
sensitivity
lower
limits.
Here,
we
present
comprehensive
review
of
the
applications
direct
type
detection,
with
focus
on
requirements
assembly
device
properties
advanced
detectors.
We
explore
diverse
processing
techniques
optoelectronic
considerations
applied
Additionally,
this
highlights
challenges
opportunities
detector
arrays
real-world
applications,
potentially
necessitating
further
research
efforts.
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.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 2, 2025
Organic-inorganic
halide
2D
perovskite
single
crystals
have
recently
emerged
as
promising
scintillators
for
gamma
(γ)
rays
and
fast
neutrons
(nf)
detection.
However,
their
energy
resolution
in
γ-rays
detection
still
significantly
lags
behind
that
of
semiconductor
detectors.
Improving
crystal
defects
enhancing
light
yield
to
optimize
output
detected
by
the
photomultiplier
tube
are
crucial
strategies
addressing
this
issue.
Herein,
it
is
demonstrated
Zn2+
Sb3+
cation
interstitial
doping
strategy
can
effectively
reduce
internal
within
phenylethylammonium
lead
bromide
(PEA2PbBr4)
regulating
lattice
expansion.
This
approach
also
suppresses
loss
caused
exciton-exciton
annihilation
accelerates
electron-hole
recombination
processes,
optimizing
both
luminescence
intensity
decay
lifetime
scintillator.
The
PEA2PbBr4
scintillator
achieve
an
optimal
4.84%
5.65%
at
662
keV
photopeak,
respectively.
Additionally,
241Am-Be
field,
effective
identification
nf
around
1100
keVee
achieved
using
a
pulse
shape
discrimination
(PSD)
method,
with
figure
merit
(FOM)
being
0.85
1.03,
work
provides
reliable
new
scintillation
performance
promotes
application
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.
Angewandte Chemie,
Journal Year:
2023,
Volume and Issue:
135(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.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(22)
Published: March 29, 2024
Abstract
Perovskite
single
crystals
have
attracted
tremendous
attention
owing
to
their
excellent
optoelectronic
properties
and
stability
compared
typical
multicrystal
structures.
However,
the
growth
of
high‐quality
perovskite
(PSCs)
generally
relies
on
temperature
gradients
or
introduction
additives
promote
crystal
growth.
In
this
study,
a
vacuum
evaporation
crystallization
technique
is
developed
that
allows
PSCs
be
grown
under
extremely
stable
conditions
at
constant
without
requiring
The
new
method
enables
unprecedented
quality,
is,
MAPbBr
3
exhibit
an
ultranarrow
full
width
half
maximum
0.00701°,
which
surpasses
all
previously
reported
values.
addition,
deliver
exceptional
performance,
including
long
carrier
lifetime
1006
ns,
ultralow
trap‐state
density
3.67
×
10
9
cm
−3
,
ultrahigh
mobility
185.86
2
V
−1
s
.
This
applicable
various
types
PSCs,
organic–inorganic
hybrids,
fully
inorganic
structures,
low‐dimensional
Nano Letters,
Journal Year:
2024,
Volume and Issue:
24(8), P. 2503 - 2510
Published: Jan. 23, 2024
X-ray
scintillators
have
utility
in
radiation
detection,
therapy,
and
imaging.
Various
materials,
such
as
halide
perovskites,
organic
illuminators,
metal
clusters,
been
developed
to
replace
conventional
due
their
ease
of
fabrication,
improved
performance,
adaptability.
However,
they
suffer
from
self-absorption,
chemical
instability,
weak
stopping
power.
Addressing
these
limitations,
we
employ
alkali
doping
turn
nonemissive
CsPb
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 29, 2024
Abstract
Vacuum‐evaporated
metal
halides
(MHs)
scintillator
thick
films
have
received
much
attention
in
the
X‐ray
imaging
field
due
to
their
excellent
light
yield
and
uniform
large‐area
preparation.
However,
inevitable
heteromorphic
homologs
MHs
(e.g.,
Copper‐based
(Cu‐MHs):
CsCu
2
X
3
∖Cs
Cu
5
)
change
of
film
structural
backbone
will
result
spectral
hybridization
(phase
purity),
eventually
detaches
(lattice
mismatches).
Herein,
a
single‐source
vacuum
evaporation
method
prepare
(≈10
µm)
Cu‐MHs
(as
an
example)
scintillators
is
realized:
1)
Presynthesis
pure
phase
materials
by
solution
with
protective
agent
ensure
purity
without
precise
control
component
ratios
process;
2)
One‐shot
formation
avoids
stress
accumulation
utilize
longitudinal
growth
characteristics
crystalline
obtain
crystal
orientations
better
optical
outputs.
Finally,
obtained
comparable
partially
single‐crystal
(53
983
photons
MeV
−1
resolution
(14.1
lp
mm
partial
template
method.
The
detection
system
based
on
prepared
exhibits
good
response
speed
linearity
different
radiation
intensities
exposure
times.
further
drive
application
believed.
