Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 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 Optical Materials,
Год журнала:
2024,
Номер
12(14)
Опубликована: Янв. 15, 2024
Abstract
It
is
imminent
to
develop
phosphors
with
multiple
stimuli
responses
due
the
increasing
demand
on
anti‐counterfeiting
and
information
encryption
technologies.
Here,
a
zero
dimensional
(0D)
organic–inorganic
hybrid
(DPPE)
2
MnBr
4
·H
O
(DPPE
=
4,4‐Difluoropiperidine,
1
),
which
emits
green
light
exhibits
reversible
thermo‐
vapor‐luminescence
heat
organic
solvents
reported.
Specifically,
when
heated
above
100
°C
for
30
s,
transforms
into
yellow‐emitting
.
Upon
exposure
dichloromethane
(DCM),
it
red‐emitting
3
Experimental
analysis
reveals
that
Mn
2+
‐Mn
magnetic
coupling
interactions
coordination
configuration
transformation
are
responsible
obvious
switching
of
photoluminescence.
Owing
its
extraordinary
triple‐mode
characteristics,
enabling
luminescence‐adjustable
transformations
such
as
yellow,
red,
yellow
red
emission,
this
metal‐halide
promising
application
in
encryption.
Inorganic Chemistry,
Год журнала:
2024,
Номер
63(6), С. 3173 - 3180
Опубликована: Фев. 1, 2024
Currently,
organic–inorganic
hybrid
cuprous-based
halides
are
receiving
substantial
attention
for
their
eco-friendliness,
distinctive
structures,
and
outstanding
photophysical
properties.
Nevertheless,
most
of
the
reported
demand
deep
ultraviolet
excitation
with
a
narrow
range
that
can
meet
commercial
requirement.
Herein,
zero-dimensional
(0D)
halide
(C4H10N)4Cu4I8
single
crystals
(SCs)
were
synthesized,
an
ultrabroad
band
ranging
260–450
nm
greenish-yellow
emission
peaking
at
560
nm.
Excitingly,
also
features
large
Stokes
shift
300
nm,
high
photoluminescence
quantum
yield
(PLQY)
up
to
84.66%,
long
lifetime
137
μs.
Furthermore,
density
functional
theory
calculations
performed
explore
relationship
between
structure
properties,
performance
originates
from
electron
interactions
in
[Cu2I4]2–
clusters.
Taking
advantage
broad
excellent
photoluminescent
performances,
luminescence
characteristic
UV-pumped
light-emitting
diode
(LED)
device
remarkable
color
stability
was
fabricated
by
employing
as-synthesized
SCs,
which
present
promising
applications
low-dimensional
solid-state
lighting.
Advanced Optical Materials,
Год журнала:
2023,
Номер
12(7)
Опубликована: Ноя. 7, 2023
Abstract
Zinc
halides
have
been
less
explored
even
though
they
are
a
promising
lead‐free
family
with
the
merits
of
environmental
friendliness
and
low
cost.
Here,
organic–inorganic
hybrid
zinc
screened
aromatic
molecules
containing
amino
groups
(MXDA:
m‐Xylylenediamine,
ABI:
2‐Aminobenzimidazole,
pipda:
2‐piperidylmethylamine,
p‐MPEA:
p‐Methylphenethylamine),
six
new
compounds
discovered:
(MXDA)ZnCl
4
(
1
),
(ABI)
2
ZnCl
(pipda)
H
OZnCl
3
[(pipda)
Zn
Br
]·H
O
(p‐MPEA)
5
ZnBr
6
).
The
discovered
exhibit
diverse
efficient
light
emissions
(blue,
green,
yellow,
ultraviolet)
under
ultraviolet
irradiation.
By
doping
Sb
Mn
at
site,
exhibits
different
colors
excitation
wavelengths,
so
it
is
successfully
used
for
anti‐counterfeiting.
(MXDA)Zn
0.91
0.09
Cl
also
found
to
be
an
X‐ray
scintillator
imaging.
Among
as‐explored
phases,
maximum
photoluminescent
quantum
yield
82.60%
realized,
enabling
utilization
white
light‐emitting
diodes.
results
suggest
that
superior
optoelectronic
properties,
which
can
multiple
applications.
Advanced Materials Technologies,
Год журнала:
2024,
Номер
9(8)
Опубликована: Фев. 20, 2024
Abstract
Organic–inorganic
hybrid
metal
halides
are
widely
used
in
X‐ray
detection
and
imaging
due
to
their
high
absorption
efficiency,
ease
of
synthesis,
efficient
luminescence.
However,
the
issue
lead
toxicity
remains
a
concern.
In
this
study,
non‐toxic,
0D
2,2′‐(Ethylenedioxy)bis(ethylamine)
manganese
(II)
bromide
(EDBEMnBr
4
)
is
synthesized
using
simple
mechanical
grinding
method
solution
that
exhibits
intense
green
emission
at
≈525
nm.
Moreover,
change
structure
under
influence
temperature
water
significantly
affects
its
fluorescence
color
UV
light.
Scintillator
materials
with
without
moisture
exposure
showed
spatial
resolutions
7
lp
mm
−1
,
low
limits
4.62
5.25
µGy
air
s
respectively,
meeting
medical
industry
standards
(<5.5
).
Furthermore,
based
on
apparent
luminescence
triggered
by
for
EDBEMnBr
preliminary
attempt
made
apply
it
humidity
monitoring
showing
boundary
has
good
linear
dependence
time.
This
work
provides
new
opportunities
Mn‐based
both
as
well
detection.
Laser & Photonics Review,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 3, 2024
Abstract
All‐inorganic
Cd‐based
metal
halide
is
widely
studied
and
applied
in
the
field
of
optoelectronics
due
to
its
superior
stability,
diverse
phase
structure,
unique
photoelectric
properties.
However,
all‐inorganic
0D
not
their
extreme
synthesis
conditions.
In
this
paper,
a
simple
mild
solution
method
devised
successfully
synthesize
Cs
3
CdBr
5
by
manipulating
crystal
growth
kinetics.
Simultaneously,
influence
doping
element
Mn
on
transition
matrix
optical
properties
are
investigated.
By
with
an
appropriate
concentration
2+
,
green
emission
(520
nm)
photoluminescence
quantum
yield
(PLQY)
as
high
97.39%
obtained.
Benefiting
from
near‐unity
PLQY
excellent
properties,
white
emitting
light‐emitting
diodes
(WLEDs)
:20%Mn
phosphor
exhibit
warm
light
color
rendering
index
(CRI)
91
correlated
temperature
(CCT)
4108
K.
addition,
also
demonstrates
X‐ray
scintillation
low
detection
limit
32.83
nGy
air
·s
−1
.
The
results
show
that
:Mn
only
promising
candidate
for
solid‐state
lighting
but
low‐dose
high‐resolution
imaging.
