Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 9, 2025
Abstract
Metal
halide
perovskites
have
gained
worldwide
attention
as
excellent
optoelectronic
materials.
Over
the
past
decade,
perovskite‐based
color
conversion
technology
has
shown
significant
promise
for
commercialization,
particularly
in
display
applications.
Prototypes
of
displays
utilizing
this
made
remarkable
achievements.
As
slightly
more
than
a
decade
elapsed
since
discovery
metal
perovskite
light‐emitting
diodes,
comprehensive
review,
and
outlook
is
crucial
to
advance
explore
its
full
potential
next‐generation
displays.
To
end,
paper
systematically
outlined
strategies
enhancing
material
performance
patterning
fabrication
techniques
converters.
Building
on
current
technological
advancements,
review
also
summarizes
new
chances
emerging
morphologies.
Furthermore,
key
challenges
hindering
commercialization
converters
are
pointed
out
guide
future
research
development.
This
aims
offer
valuable
insights
into
advanced
Journal of the American Chemical Society,
Год журнала:
2024,
Номер
146(30), С. 21120 - 21128
Опубликована: Июль 22, 2024
Since
the
concept
of
"multiferroic"
was
first
proposed
in
1968,
coupling
effect
between
different
ferroic
orders
has
attracted
great
interest
energy,
information,
and
biomedical
fields.
However,
fully
ferroelectric-fully
ferroelastic
never
been
experimentally
observed
hybrid
perovskites,
even
though
this
predicted
to
exist
half
a
century
ago.
Realizing
such
cross-linking
effects
polarization
vectors
strain
tensors
always
huge
challenge
because
complex
difference
these
two
origins.
Here,
we
report
multiferroic
with
full
ferroelectricity
ferroelasticity
two-dimensional
(2D)
perovskites
based
on
ferroelectrochemistry.
The
dynamic
molecular
reorientations
endow
(cyclohexanemethylaminium)
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 29, 2025
Abstract
Light‐emitting
diodes
(LEDs)
based
on
halide
perovskite
nanocrystals
have
attracted
extensive
attention
due
to
their
considerable
luminescence
efficiency,
wide
color
gamut,
high
purity,
and
facile
material
synthesis.
Since
the
first
demonstration
of
LEDs
MAPbBr
3
was
reported
in
2014,
community
has
witnessed
a
rapid
development
performances.
In
this
review,
historical
perspective
is
provided
then
comprehensive
survey
current
strategies
for
high‐efficiency
lead‐based
LEDs,
including
synthesis
optimization,
ion
doping/alloying,
shell
coating
presented.
Then
basic
characteristics
emission
mechanisms
lead‐free
perovskite‐related
emitters
environmentally
friendly
from
standpoint
different
colors
are
reviewed.
Finally,
progress
LED
applications
covered
an
outlook
opportunities
challenges
future
developments
field
provided.
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.
Advanced Materials,
Год журнала:
2024,
Номер
36(25)
Опубликована: Март 18, 2024
Abstract
Lead
halide
perovskites
possess
great
application
potential
in
flexible
displays
and
wearable
optoelectronics
owing
to
their
prominent
optoelectronic
properties.
However,
the
intrinsic
instability
upon
moisture,
heat,
ultraviolet
(UV)
light
irradiation
hinders
development
application.
In
this
work,
an
ultra‐stable
CsPbX
3
(X
=
Cl,
Br,
I)
perovskite
luminescent
filament
(PLF)
with
high
stretchability
(≈2400%)
luminescence
performance
(photoluminescence
quantum
yield
(PLQY)
of
24.5%,
tunable
emission
spectrum,
color
purity)
is
introduced
by
a
facile
environmental‐friendly
wet‐spinning
technology
via
solvent
extraction.
Benefiting
from
situ
encapsulation
hydrophobic
thermoplastic
polyurethane
(TPU)
chelation
Lewis
base
CO
TPU
acid
Pb
2+
,
CsPbBr
PLF
demonstrates
ultra‐high
photoluminescence
(PL)
stability
when
stored
ambient
air
humidity
circumstance,
annealed
at
50
°C,
dipped
water
for
30
days,
illuminated
under
300
min,
immersed
organic
solvents
solutions
pH
1‐13
5
respectively.
Impressively,
it
retains
80%
its
initial
PL
after
being
recycled
five
times.
Overall,
promising
prospects
multifunctional
applications,
including
dyes
tensile
strain
sensing,
pattern
displays,
secondary
anti‐counterfeiting,
hazard
warning
systems.
Micropatterning
quantum
dots
(QDs)
is
a
key
process
for
making
high-performance
dot
light-emitting
diodes
(QLEDs),
which
have
shown
advantages
in
lighting
and
displays.
So
far,
various
solution
processes
been
developed
fabricating
micropatterned
QDs,
where
both
uniform
distribution
well-defined
edges
are
desirable.
Very
recently,
with
the
flourishing
of
near-eye
displays,
high-resolution
QD
micropatterns
appear
particularly
attractive,
regretfully
progressed
poorly
due
to
extremely
complicated
liquid
dynamics
at
microscale.
Here,
we
systematically
discussed
several
representative
strategies
micropatterning
including
transfer
printing,
photolithography,
inkjet
structure-confined
transfer.
The
fundamentals
involved
manipulation
applications
QLEDs
were
summarized,
as
well
remaining
challenges
possible
solutions
from
viewpoint
QDs
high
uniformity,
resolution,
multicolor.
We
believe
that
perspective
would
inspire
fabrication
high-quality
QLEDs.
Laser & Photonics Review,
Год журнала:
2024,
Номер
18(10)
Опубликована: Май 30, 2024
Abstract
Patterning
is
crucial
for
advancing
perovskite
materials
into
color
conversion
micro‐display
applications,
but
achieving
inkjet‐printed
patterns
with
high
performance
and
precision
remains
challenging.
Here,
novel
CsPbBr
3
/PDMS
nanoparticles
as
a
promising
candidate
proposed
precise
perfect
inkjet
printing
patterns.
The
as‐prepared
ensure
exceeding
brightness,
exceptional
stability,
uniform
fluorescence
emission,
resolution
reaching
the
highest
of
drop‐on‐demand
printing.
Specifically,
stability
are
enhanced
through
two‐step
optimization
involving
dodecyl
benzene
sulfonic
acid
(DBSA)
ligand
modification
polydimethylsiloxane
(PDMS)
in
situ
coating,
resulting
photoluminescence
quantum
yield
(PLQY)
92%
among
/polymer
core‐shell
composites
so
far.
branched
structure
DBSA
PDMS
shell
provide
steric
hindrance
effectively
prevent
agglomeration
during
storage
or
patterning.
viscous
coating
inhibits
coffee
ring
effect,
not
only
leading
to
excellent
near‐unity
emission
also
promoting
formation
smaller
more
elaborate
droplets,
increasing
by
up
surprisingly
300%.
Importantly,
impeccably
displayed,
high‐resolution
formed
versatile
have
demonstrated
significant
potential
pixel
density
Micro‐LED
displays,
enabling
efficient
stable
conversion.
Laser & Photonics Review,
Год журнала:
2024,
Номер
18(11)
Опубликована: Июнь 18, 2024
Abstract
Narrow‐band
cyan‐emitting
materials
for
white
light‐emitting
diode
(wLED)
application
have
shown
great
potential
in
increasing
the
maximum
accessible
display
gamut
and
improving
color
rendering
of
full‐spectrum
healthy
lighting.
However,
discovery
novel
narrow‐band
cyan
emitters
with
excellent
luminescence
performances
remains
challenging.
Here,
an
ultra‐narrow‐band
Na
5
K
3
(Li
SiO
4
)
8
:Eu
2+
(N
phosphor
(λ
em
=
483
nm)
full
width
at
half
(FWHM)
only
18
nm
is
developed
from
some
typical
UCr
C
frameworks
phosphors
by
slightly
modifying
crystal
structure
symmetry.
Through
controllable
regulation
ratio
6
2
to
N
,
lattice
sites
forming
shoulder
peaks
are
further
squeezed
generate
narrowest
emission.
Moreover,
exhibits
low
photoluminescence
thermal
quenching
(90%@150
°C)
high
internal
quantum
efficiency
(IQE)
50%.
The
index
wLED
health
lighting
enhanced
92
94.
Using
this
short‐wavelength
emission
instead
a
part
blue
chip
can
effectively
prevent
“blue
hazard”.
This
work
provides
basic
principles
design
phosphors,
thus
achieving
their
applications
fields
eye‐friendly
display.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 6, 2024
Abstract
Halide
perovskite
light‐emitting
diodes
(PeLEDs)
hold
great
potential
for
applications
in
displays
and
lighting.
To
enhance
the
external
quantum
efficiency
(EQE)
of
PeLEDs,
it
is
crucial
to
boost
photoluminescence
yield
(PLQY)
films.
The
use
additives
has
emerged
as
a
powerful
chemical
strategy
control
crystallization
process
solution‐processed
different
types
that
can
be
used
reflect
various
interactions
with
materials,
influencing
their
possible
ways.
Understanding
relationship
between
these
impact
on
key
step
designing
emitters
improved
PLQY
devices
superior
EQE.
Following
logic
chain
additive–perovskite
interactions,
impacts
crystallization,
subsequent
enhancement
EQE,
this
review
discusses
how
play
pivotal
role
Furthermore,
assessment
addresses
open
challenges
outlines
future
prospects
development
PeLEDs.
Perovskite
quantum
dots
(PeQDs)
with
a
pure
emission
and
solution-processable
path
are
highly
desirable
for
color
conversion
materials
to
achieve
full
high-resolution
display.
Yet,
operational
stability
precise
deposition
methods
remain
critical
factors
that
limit
their
applications.
Additionally,
the
traditional
high-temperature
synthesis
suffers
from
short
reaction
time
window,
making
it
difficult
realize
large-scale
practical
Here,
an
in
situ
reacted
multiple-anchoring
ligands
strategy
is
reported
effectively
extend
synthesizing
PeQDs
5
200
s,
endowing
sufficient
window
mass
heat
transfer
processes.
This
simultaneously
improves
photo-thermal
of
PeQD
patterned
films.
Uniform
microarrays
fabricated
by
inkjet
printing
through
exquisite
control
solvent
engineering
substrate
optimization,
exhibiting
reversible
fluorescence
when
suffering
high
temperatures
up
100
°C.
approach
enables
large-area
(10
×
10
cm2)
red
green
dual-color
microarrays,
covering
gamut
128%
NTSC
96%
BT.
2020.
These
advancements
mark
significant
step
toward
scalable,
high-performance
displays,
highlighting
great
potential
next-generation
display
technologies.
