Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 17, 2025
Abstract
Flux‐regulated
crystallization
(FRC),
a
method
that
dynamically
monitors
and
adjusts
crystal
growth
from
solutions
in
real
time
using
computer
vision
feedback
control,
has
been
recently
introduced.
Using
FRC,
centimeter‐scale
perovskite
single
crystals
at
linear
rate
of
0.2
mm
h
−1
with
standard
deviation
(
σ
)
0.061
is
synthesized.
Here,
machine
learning
integrated
into
FRC
to
predict
solvent
evaporation
rates
during
time,
thus
leading
an
over
threefold
decrease
0.018
.
This
also
results
improved
reproducibility
crystallinity,
as
evidenced
by
average
full
width
half
maximum
22
±
5
arcsec
X‐ray
rocking
curve
measurements;
detectors,
sensitivity
4500
500
µC
Gy
air
cm
−2
electric
field
100
V
across
13
devices.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(8)
Published: Sept. 20, 2023
The
past
decade
has
witnessed
a
rapid
rise
in
the
performance
of
optoelectronic
devices
based
on
lead-halide
perovskites
(LHPs).
large
mobility-lifetime
products
and
defect
tolerance
these
materials,
essential
for
optoelectronics,
also
make
them
well-suited
radiation
detectors,
especially
given
heavy
elements
present,
which
is
strong
X-ray
γ-ray
attenuation.
Over
decade,
LHP
thick
films,
wafers,
single
crystals
have
to
direct
detectors
that
outperformed
incumbent
technologies
terms
sensitivity
(reported
values
up
3.5
×
10
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(26)
Published: April 5, 2024
2D
perovskites
have
greatly
improved
moisture
stability
owing
to
the
large
organic
cations
embedded
in
inorganic
octahedral
structure,
which
also
suppresses
ions
migration
and
reduces
dark
current.
The
suppression
of
by
effectively
excessive
device
noise
baseline
drift
shows
excellent
potential
direct
X-ray
detection
field.
In
addition,
gradually
emerged
with
many
unique
properties,
such
as
anisotropy,
tunable
bandgap,
high
photoluminescence
quantum
yield,
wide
range
exciton
binding
energy,
continuously
promote
development
ionizing
radiation
detection.
This
review
aims
systematically
summarize
advances
progress
halide
perovskite
semiconductor
scintillator
detectors,
including
reported
alpha
(α)
particle,
beta
(β)
neutron,
X-ray,
gamma
(γ)
ray
structural
features
their
advantages
are
discussed.
Development
directions
proposed
overcome
limitations
detectors.
InfoMat,
Journal Year:
2024,
Volume and Issue:
6(5)
Published: March 28, 2024
Abstract
Near‐infrared
(NIR)
luminescent
metal
halide
(LMH)
materials
have
attracted
great
attention
in
various
optoelectronic
applications
due
to
their
low‐temperature
solution‐processable
synthesis,
abundant
crystallographic/electronic
structures,
and
unique
properties.
However,
some
challenges
still
remain
luminescence
design,
performance
improvement,
application
assignments.
This
review
systematically
summarizes
the
development
of
NIR
LMHs
through
classifying
origins
into
four
major
categories:
band‐edge
emission,
self‐trapped
exciton
(STE)
ion
defect‐related
emission.
The
mechanisms
different
types
are
discussed
detail
by
analyzing
typical
examples.
Reasonable
strategies
for
designing
optimizing
luminescence/optoelectronic
properties
summarized,
including
bandgap
engineering,
self‐trapping
state
chemical
composition
modification,
energy
transfer,
other
auxiliary
such
as
improvement
synthesis
scheme
post‐processing.
Furthermore,
prospects
based
on
devices
revealed,
phosphor‐converted
light‐emitting
diodes
(LEDs),
electroluminescent
LEDs,
photodetectors,
solar
cells,
x‐ray
scintillators,
well
demonstrations
related
practical
applications.
Finally,
existing
future
perspectives
LMH
critically
proposed.
aims
provide
general
understanding
guidance
design
high‐performance
materials.
image
Advanced Theory and Simulations,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 29, 2025
Abstract
CsGeI
2
Br‐based
perovskites
with
a
favorable
bandgap
and
high
absorption
coefficient,
show
great
promise
as
candidates
for
efficient
lead‐free
perovskite
solar
cells
(PSCs).
However,
the
significant
defect
recombination
energy
alignment
mismatch
at
perovskite‐transport
layer
interface
limit
both
device's
performance
long‐term
stability.
To
overcome
these
challenges,
photovoltaic
potential
of
device
is
unlocked
by
optimizing
optical
electronic
parameters
through
rigorous
numerical
simulation,
including
transport
materials,
doping
density,
bulk/interface
carrier
mobility.
As
result,
optimized
achieved
champion
power
conversion
efficiency
28.00%.
further
elucidate
inherent
physical
behavior,
activator
recombination,
along
conduction
valence
band
offsets,
are
also
investigated.
Additionally,
different
types
structures,
p‐i‐n
HTL‐free
briefly
examined.
Finally,
detailed
roadmap
enhancing
proposed,
offering
valuable
insights
improving
inorganic
Br
in
optoelectronic
applications.
ACS Energy Letters,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1050 - 1056
Published: Feb. 3, 2025
Cs2AgBiBr6
shows
promise
for
solution-processable
optoelectronics,
such
as
photovoltaics,
photocatalysis,
and
X-ray
detection.
However,
various
spectroscopic
studies
report
rapid
charge
carrier
mobility
loss
in
the
first
picosecond
after
photoexcitation,
limiting
collection
efficiencies.
The
origin
of
this
is
still
unclear.
Here,
we
directly
compare
hot
excitation
with
over
indirect
fundamental
bandgap,
using
transient
absorption
THz
spectroscopy
on
same
thin
film
sample.
From
spectroscopy,
find
that
carriers
cool
toward
band-edges
a
cooling
rate
0.58
ps–1,
which
coincides
observed
from
spectroscopy.
Hence,
our
study
establishes
direct
link
between
ultrafast
time
scale.
Sensors,
Journal Year:
2024,
Volume and Issue:
24(3), P. 725 - 725
Published: Jan. 23, 2024
CdZnTe
(CZT)
is
a
new
type
of
compound
semiconductor
that
has
emerged
in
recent
years.
Compared
to
other
materials,
it
possesses
an
ideal
bandgap,
high
density,
and
electron
mobility,
rendering
excellent
room-temperature
composite
material
for
X-ray
γ-ray
detectors.
Due
the
exceptional
performance
CZT
material,
detectors
manufactured
using
exhibit
energy
resolution,
spatial
detection
efficiency.
They
also
have
advantage
operating
at
room
temperature.
array
detectors,
furthermore,
demonstrate
outstanding
three-dimensional
imaging
capabilities.
Researchers
worldwide
conducted
extensive
studies
on
this
subject.
This
paper,
building
upon
foundation,
provides
comprehensive
analysis
crystals
summarizes
existing
research
offer
valuable
insights
envisioning
detector
methodologies.
Advanced Optical Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 9, 2024
Abstract
Nanomaterials
have
superior
electronic,
optical,
and
mechanical
properties
making
them
highly
suitable
for
a
range
of
applications
in
optoelectronics,
biomedical
fields,
photonics.
Nanomaterials‐based
IR
detectors
are
rapidly
growing
due
to
enhanced
sensitivity,
wide
spectral
range,
device
miniaturization
compared
commercial
photodetectors.
This
review
paper
focuses
on
the
significant
role
nanomaterials
infrared
detection,
an
area
critical
enhancing
night
vision
health
monitoring
technologies.
The
latest
advancements
photodetectors
that
employ
various
their
hybrids
discussed.
manuscript
covers
operational
mechanisms,
designing,
performance
optimization
strategies,
material
challenges.
aims
provide
comprehensive
overview
current
developments
nanomaterial‐based
identify
key
directions
future
research
technological
advancements.
