Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(32)
Published: June 12, 2024
Abstract
Thermo‐responsive
smart
materials
have
aroused
extensive
interest
due
to
the
particular
significance
of
temperature
sensing.
Although
various
photoluminescent
are
explored
in
thermal
detection,
it
is
not
applicable
enough
X‐ray
radiation
environment
where
accuracy
and
reliability
will
be
influenced.
Here,
a
strategy
proposed
by
introducing
concept
radio‐luminescent
functional
building
units
(RBUs)
construct
thermo‐responsive
lanthanide
metal‐organic
frameworks
(Ln‐MOFs)
scintillators
for
self‐calibrating
thermometry.
The
rational
designs
RBUs
(including
organic
ligand
Tb
3+
/Eu
)
with
appropriate
energy
levels
lead
high‐performance
radio‐luminescence.
Ln‐MOFs
exhibit
perfect
linear
response
X‐ray,
presenting
low
dose
rate
detection
limit
(min
≈156.1
nGy
air
s
‐1
).
Self‐calibrating
based
on
ratiometric
XEL
intensities
achieved
good
absolute
relative
sensitivities
6.74
8.1%K
,
respectively.
High
light
yield
(max
≈39000
photons
MeV
−1
),
imaging
spatial
resolution
≈18
lp
mm
irradiation
stability
(intensity
≈100%
at
368
K
total
up
215
Gy
giant
color
transformation
visualization
benefit
applications,
especially
situ
imaging.
Such
provides
promising
way
develop
novel
photonic
excellent
scintillator
performances.
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:
unknown
Published: Sept. 23, 2024
The
growing
demands
for
X-ray
imaging
applications
impose
diverse
and
stringent
requirements
on
advanced
detectors.
Among
these,
flexibility
stands
out
as
the
most
expected
characteristic
next-generation
Flexible
detectors
can
spatially
conform
to
nonflat
surfaces,
substantially
improving
resolution,
reducing
exposure
dosage,
enabling
extended
application
opportunities
that
are
hardly
achievable
by
conventional
rigid
flat-panel
Over
past
years,
indirect-
direct-conversion
flexible
have
made
marvelous
achievements.
In
particular,
microscale
nanoscale
engineering
technologies
play
a
pivotal
role
in
defining
optical,
electrical,
mechanical
properties
of
this
Perspective,
we
spotlight
recent
landmark
advancements
from
aspects
micro/nano
strategies,
which
broadly
categorized
into
two
prevailing
modalities:
materials-in-substrate
materials-on-substrate.
We
also
discuss
existing
challenges
hindering
development
detectors,
well
prospective
research
mitigate
these
issues.
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 16, 2024
Organic
phosphorescence
or
thermally
activated
delayed
fluorescence
(TADF)
scintillators,
while
effective
in
utilizing
triplet
excitons,
are
sensitive
to
temperature
changes,
which
can
impact
radioluminescence
performance.
In
this
study,
we
have
developed
a
type
of
temperature-adaptive
organic
scintillator
with
and
TADF
dual
emission.
These
scintillators
automatically
switch
modes
enabling
efficient
from
77
400
K.
The
highest
photoluminescence
quantum
yield
light
83.2%
78,229
±
562
photons
MeV
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(22), P. 29210 - 29216
Published: May 21, 2024
Cs3Cu2I5
nanocrystals
(NCs)
are
considered
to
be
promising
materials
due
their
high
photoluminescence
efficiency,
lack
of
lead
toxicity,
and
X-ray
responsiveness.
However,
during
the
crystallization
process,
NCs
prone
agglomeration
exhibit
uneven
size
distribution,
resulting
in
several
light
scattering
that
severely
affect
imaging
resolution.
Herein,
we
successfully
developed
a
high-resolution
scintillator
film
by
growing
copper-based
perovskite
within
hybrid
polymer
matrix.
By
leveraging
ingenious
integration
polyvinylidene
fluoride
(PVDF)
polymethyl
methacrylate
(PMMA),
distribution
uniformity
can
effectively
controlled.
Consequently,
spatial
resolution
14.3
lp
mm–1
low
detection
limit
105
nGy
s–1
achieved,
has
excellent
flexibility
stability.
These
results
highlight
application
films
low-cost,
flexible,
high-performance
medical
imaging.
Journal of the American Chemical Society,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 13, 2025
Triplet
excitons,
driven
by
spin-flip
processes,
play
a
crucial
role
in
enabling
efficient
room-temperature
phosphorescence
across
various
applications.
However,
attaining
significant
accumulation
of
long-lived
excitons
is
impeded
the
simultaneous
influence
nonradiative
and
radiative
decay
pathways
alongside
intersystem
crossing
efficiencies.
Here,
we
introduce
solvent
intercalation
approach
that
leverages
triplet
exciton
processes
family
zero-dimensional
organic-inorganic
halides,
A2ZnBr4
(A
=
organic
phosphonium
cations).
By
intercalating
inactive
molecules
into
these
their
can
be
reconfigured.
This
leads
to
significantly
amplified
but
attenuated
transitions,
which
give
rise
16-
6-fold
increases
lifetime
quantum
yield,
respectively.
Our
single
crystal
X-ray
diffraction,
transient
absorption,
theoretical
calculation
results
reveal
such
dramatic
improvement
attributed
unique
spatial
effect
on
both
electrons
holes
induced
intercalated
molecules.
The
consequently
reduced
orbital
degeneracy
number
spin-allowed
channels,
promoting
crossing,
while
synergistically
enhanced
electron
localization
diminishes
decay,
leading
high
efficiency
enduring
phosphorescence.
findings
offer
new
pathway
for
manipulating
process
boost
emission
with
potential
applications
designing
wide
spectrum
phosphorescent
materials.
Crystals,
Journal Year:
2025,
Volume and Issue:
15(4), P. 364 - 364
Published: April 16, 2025
Low-dimensional
organic–inorganic
hybrid
metal
halides
(OIMHs)
have
garnered
significant
research
attention
due
to
their
remarkable
optical,
electrical,
and
mechanical
properties.
These
materials
feature
tunable
optoelectronic
characteristics,
high
photovoltaic
efficiency,
exceptional
scalability
processability
ease
of
fabrication.
By
selecting
appropriate
organic
inorganic
components,
it
is
possible
achieve
molecular-level
dimensional
control
the
halides.
Here,
this
review
provides
an
in-depth
analysis
structure
synthesis
methods
OIMHs
materials,
explores
optical
properties,
summarizes
current
applications
in
areas
such
as
white-light
LEDs,
X-ray
detectors,
sensors,
solar
cells.
Finally,
we
also
discuss
challenges
faced
by
these
offer
a
perspective
on
future
development,
aiming
serve
reference
for
advancing
OIMHs.
Journal of Inorganic and Organometallic Polymers and Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 2, 2025
Abstract
Manganese(II)
halides
have
attracted
significant
research
attention
because
of
their
unique
zero-dimensional
structures,
low
toxicity,
structural
diversity,
and
tunable
photoluminescent
properties.
However,
the
development
neutral
manganese(II)
chlorides
has
lagged
behind
bromide
counterparts
in
X-ray
imaging
applications.
Herein,
we
report
a
green-emitting
monodentate
chloride
complex
(
H-Cl
)
by
introducing
cyclohexyldiphenylphosphine
oxide
as
ligand,
which
could
be
synthesized
via
simple
room-temperature
solvent
evaporation
method.
Complex
exhibits
bright
photoluminescence
with
an
emission
peak
at
516
nm
full-width
half-maximum
(FWHM)
61
nm,
achieves
quantum
yield
(PLQY)
16.69%,
surpassing
most
reported
chlorides.
As
scintillator,
realizes
detection
limit
1.581
µGy/s,
is
much
lower
than
that
standard
for
medical
diagnostics.
It
also
shows
high
spatial
resolution
exceeding
9.6
lp/mm,
highlighting
its
potential
advanced
scintillator
design
high-resolution
technology.
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