Advanced Materials Technologies,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 20, 2024
Abstract
On‐line
in
situ
monitoring
of
radiation
emitted
by
radiotracers
during
intravenous
injection
is
crucial
importance
for
the
safety
patients
and
personnel
involved
nuclear
medicine
treatments
analysis.
The
aim
this
work
to
assess
wearable
perovskite
ionizing
detectors
such
application.
With
purpose
pixelated
direct
detector
based
on
thin
films
2D
layered
PEA
2
PbBr
4
are
tested
gamma‐rays
18
F
radiopharmaceutical
under
different
experimental
conditions.
here
demonstrated
being
able
detect
real‐time
annihilation
radiotracer.
Its
reliability
assessed
half‐life
measurement
with
a
maximum
accuracy
deviation
within
8%.
also
successes
its
validation
foreseen
application,
demonstrating
monitor
whole
process
extravasation
event.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 1, 2024
Abstract
Passive
dosimeters
enabling
accurate
measurement
of
doses
from
gamma
rays
to
visible
light
are
necessary
ensure
efficient
utilization
electromagnetic
radiation
in
numerous
fields
like
medical
diagnostics
and
industrial
manufacturing.
The
specific
requirements
for
terms
dosimetry
range,
sensitivity,
accuracy,
stability
each
application
have
led
the
development
various
based
on
new
materials
mechanisms.
Here,
a
comprehensive
review
different
types
classified
according
response
signal,
namely
electron
paramagnetic
resonance,
electrical,
optical,
is
provided.
This
starts
with
general
introduction
dosimetry,
classification
dosimeters,
an
elucidation
necessity
ranges
spectrum.
followed
by
overview
fundamental
explanation
procedure,
dosimetric
quantities.
Emphasis
given
working
mechanism,
design
concept,
applications
type
dosimeter
as
well
their
respective
strengths
drawbacks.
Challenges
prospects
presented
at
end
review.
provides
insightful
material‐mechanism‐characteristics‐application
relationship
that
hopefully
can
serve
inspiration
devices.
Nano-Micro Letters,
Год журнала:
2024,
Номер
17(1)
Опубликована: Сен. 30, 2024
Abstract
The
rapid
advancement
of
nanotechnology
has
sparked
much
interest
in
applying
nanoscale
perovskite
materials
for
photodetection
applications.
These
are
promising
candidates
next-generation
photodetectors
(PDs)
due
to
their
unique
optoelectronic
properties
and
flexible
synthesis
routes.
This
review
explores
the
approaches
used
development
use
devices
made
different
architectures,
including
quantum
dots,
nanosheets,
nanorods,
nanowires,
nanocrystals.
Through
a
thorough
analysis
recent
literature,
also
addresses
common
issues
like
mechanisms
underlying
degradation
PDs
offers
perspectives
on
potential
solutions
improve
stability
scalability
that
impede
widespread
implementation.
In
addition,
it
highlights
encompasses
detection
light
fields
dimensions
other
than
intensity
suggests
avenues
future
research
overcome
these
obstacles
fully
realize
state-of-the-art
systems.
provides
comprehensive
overview
guides
efforts
towards
improved
performance
wider
applicability,
making
valuable
resource
researchers.
Nano-Micro Letters,
Год журнала:
2025,
Номер
17(1)
Опубликована: Фев. 8, 2025
Quasi-two-dimensional
(2D)
perovskite
embodies
characteristics
of
both
three-dimensional
(3D)
and
2D
perovskites,
achieving
the
superior
external
environment
stability
structure
perovskites
alongside
high
efficiency
3D
perovskites.
This
effect
is
realized
through
critical
structural
modifications
in
device
fabrication.
Typically,
have
an
octahedral
structure,
generally
ABX3,
where
organic
ammonium
cation
(A')
participates
forming
with
A'(n)
(n
=
1
or
2)
sandwiched
between
A(n-1)B(n)X(3n+1)
layers.
Depending
on
whether
A'
a
monovalent
divalent
cation,
are
classified
into
Ruddlesden-Popper
Dion-Jacobson
perovskite,
each
generating
different
structures.
Although
achieves
similar
effects,
they
incorporate
distinct
mechanisms
their
formation.
And
according
to
these
structures,
various
properties
appear,
additive
optimizing
methods
increase
also
exist
In
this
review,
scientific
understanding
engineering
perspectives
quasi-2D
investigated,
optimal
optimization
discussed
provide
insight
field.
Materials,
Год журнала:
2024,
Номер
17(11), С. 2722 - 2722
Опубликована: Июнь 3, 2024
Perovskite
solar
cells
(PSCs)
have
attracted
considerable
interest
owing
to
their
low
processing
costs
and
high
efficiency.
A
crucial
component
of
these
devices
is
the
electron
transport
layer
(ETL),
which
plays
a
key
role
in
extracting
transmitting
light-induced
electrons,
modifying
interfaces,
adjusting
surface
energy
levels.
This
minimizes
charge
recombination
PSCs,
critical
factor
performance.
Among
various
ETL
materials,
titanium
dioxide
(TiO
Advanced Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 21, 2024
Abstract
Developing
high‐quality
perovskite
wafers
is
essential
for
integrating
technology
throughout
the
chip
industry
chain.
In
this
article,
a
spontaneous
cooling
strategy
with
hot‐pressing
technique
presented
to
develop
high‐purity,
wafer‐scale,
pinhole‐free
reflective
surface.
This
method
can
be
extended
variety
of
wafers,
including
organic–inorganic,
2D,
and
lead‐free
perovskites.
Besides,
size
wafer
diameters
10,
15,
20
mm
tailored
by
changing
mold.
Furthermore,
mechanism
improving
quality
revealed.
Finally,
Cs
3
Cu
2
I
5
demonstrate
excellent
X‐ray
detection
performances
high
sensitivity
3433.6
µC
Gy
air
−1
cm
−2
low
limit
33.17
nGy
s
.
Moreover,
exhibit
outstanding
environmental
operational
stability
even
without
encapsulation.
These
research
presents
achieve
perovskites
mirror‐like
surfaces
detection,
paving
way
into
electronic
optoelectronic
devices
promoting
practical
application
detectors.
Chemical Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
The
remarkable
FE-PV
effect
driven
stable
and
self-powered
X-ray
detection
in
a
green
halide
hybrid
ferroelectric
crystal
[H
2
mdap]BiBr
5
with
relatively
high
sensitivity,
low
limit,
good
stability,
advancing
towards
safer
more
detection.
Journal of Materials Chemistry A,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Through
surface
reconstruction
and
defect
healing,
the
self-powered
perovskite
microcrystalline
X-ray
detectors
exhibit
high
sensitivity
low
detection
limit,
enabling
clear
imaging
at
ultra-low
dose
rate.
