All-inorganic
lead
halide
perovskite
quantum
dots
(PQDs)
have
emerged
as
highly
promising
materials
for
photonic
and
optoelectronic
devices,
solar
cells,
photocatalysts.
However,
PQDs
encounter
instability
color
separation
issues
because
of
ion
diffusion.
Current
strategies
mainly
address
stability
in
green
CsPbBr3
PQDs,
with
limited
focus
on
the
red-mixed
their
inferior
compared
PQDs.
Our
study
provides
a
new
dual-protection
methodology
synthesizing
high-efficiency
red
mixed-halide
PQD
films.
Red
CsPb(Br0.4I0.6)3
are
embedded
silicone
resin
then
incorporated
poly(methyl
methacrylate)
(PMMA)
matrix
to
form
PQDs@silicone/PMMA
The
high
photoluminescence
yield
(PLQY)
great
recorded
pure-red
polymer
film.
ultrabright
film
was
also
successfully
fabricated
an
outstanding
PLQY
beyond
94%.
These
films
exhibited
enhanced
against
thermal
environmental
degradation,
attributed
dense
protective
layer
PMMA
matrices
by
formation
Si–halide
Pb–O
bonds,
thereby
reducing
surface
defects.
Theoretical
calculations
reveal
that
combining
improves
interactions,
eliminating
uncoordinated
Pb2+
enhancing
stability.
Applied
white
light-emitting
diodes
(WLEDs),
these
demonstrated
broad
gamut
143.4%,
indicating
potential
efficient
WLED
backlighting.
The
growing
focus
on
enhancing
color
quality
in
liquid
crystal
displays
(LCDs)
and
organic
light-emitting
diodes
(OLEDs)
has
spurred
significant
advancements
color-conversion
materials.
Furthermore,
conversion
is
also
important
for
the
development
commercialization
of
Micro-LEDs.
This
article
provides
a
comprehensive
review
different
types
methods
as
well
We
summarize
current
status
patterning
process,
discuss
key
strategies
to
enhance
display
performance.
Finally,
we
speculate
future
prospects
roles
that
will
play
ultra-high-definition
micro-
projection
displays.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(19), P. 24908 - 24919
Published: May 6, 2024
Perovskite
nanocrystal
(PeNC)
arrays
are
showing
a
promising
future
in
the
next
generation
of
micro-light-emitting-diode
(micro-LED)
displays
due
to
narrow
emission
linewidth
and
adjustable
peak
wavelength.
Electrohydrodynamic
(EHD)
inkjet
printing,
with
merits
high
resolution,
uniformity,
versatility,
cost-effectiveness,
is
among
competent
candidates
for
constructing
PeNC
arrays.
However,
fabrication
red
light-emitting
CsPbBrxI(3–x)
micro-LED
still
faces
challenges,
such
as
low
brightness
poor
stability.
This
work
proposes
design
colloidal
ink
that
specialized
EHD
printing
three-dimensional
enhanced
luminescence
stability
well
being
adaptable
both
rigid
flexible
substrates.
Made
mixture
PeNCs,
polymer
polystyrene
(PS),
nonpolar
xylene
solvent,
enables
precise
control
array
sizes
shapes,
which
facilitates
on-demand
micropillar
construction.
Additionally,
inclusion
PS
significantly
increases
environmental
By
adopting
this
ink,
printer
successfully
fabricated
full-color
3D
spatial
resolution
over
2500
ppi.
It
shows
potential
strategy
high-resolution
robust
color
conversion
layers
displays.
Advanced Optical Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 25, 2025
Abstract
Perovskite
materials
have
received
considerable
research
attention
owing
to
their
high
carrier
mobility,
photoluminescence
quantum
yield,
and
light
absorption
coefficient.
Their
excellent
optoelectronic
properties
low
material
costs
make
them
a
strong
competitive
raw
for
future
electronic
high‐temperature
superconducting
materials.
In
particular,
when
applied
light‐emitting
diodes
(LEDs)
solar
cells,
conversion
efficiency
relatively
simple
preparation
process
revolutionary
that
may
change
the
pattern
of
perovskite‐based
devices
overcome
limits
industrialization.
However,
with
development
technology,
traditional
treatment
methods
perovskites
no
longer
meet
increasing
demands
industry.
Laser
technology
is
widely
used
its
remarkable
compatibility
perovskite
Therefore,
this
review
summarizes
applications
laser
materials,
including
laser‐induced
nucleation
film
formation,
annealing,
ablation,
printing,
patterning,
discusses
achievements
researchers
in
using
regulate
recent
years,
highlights
prospects
technology.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 5, 2025
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.
Nano Materials Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 1, 2024
The
preparation
of
red,
green,
and
blue
quantum
dot
(QD)
pixelated
arrays
with
high
precision,
resolution,
brightness
poses
a
significant
challenge
on
the
development
advanced
micro-displays
for
virtual,
augmented,
mixed
reality
applications.
Alongside
controlled
synthesis
high-performance
QDs,
reliable
QD
patterning
technology
is
crucial
in
overcoming
this
challenge.
Among
various
methods
available,
photolithography-based
technologies
show
great
potentials
producing
ultra-fine
patterns
at
micron
scale.
This
review
article
presents
recent
advancements
field
using
photolithography
techniques
explores
their
applications
micro-display
technology.
Firstly,
we
discuss
through
employing
photoresist
(PR),
which
falls
into
two
categories:
PR-assisted
QDPR.
Subsequently,
direct
based
photo-induced
crosslinking
photosensitive
groups
ligand
cleavage
mechanisms
are
thoroughly
reviewed.
Meanwhile,
assess
performance
fabricated
these
integration
light
emitting
diode
display
devices
as
well
color
conversion-based
micro
devices.
Lastly,
summarize
most
developments
outline
future
prospects.
International Journal of Extreme Manufacturing,
Journal Year:
2024,
Volume and Issue:
7(1), P. 012008 - 012008
Published: Nov. 13, 2024
Abstract
Electrohydrodynamic
(EHD)
jet
printing
represents
a
novel
micro/nano-scale
additive
manufacturing
process
that
utilises
high-voltage
induced
electric
field
between
the
nozzle
and
substrate
to
print
micro/nanoscale
structures.
EHD
is
particularly
advantageous
for
fabrication
on
flexible
or
non-flat
substrates
of
large
aspect
ratio
micro/nanostructures
composite
multi-material
Despite
this,
has
yet
be
fully
industrialised
due
its
low
throughput,
which
primarily
caused
by
limitations
serial
technology.
The
parallel
multi-nozzle
array-based
become
most
promising
option
achieve
large-scale
increasing
number
nozzles
realise
multichannel
printing.
This
paper
reviews
recent
development
technology,
analyses
motion
with
multi-nozzle,
explains
origins
crosstalk
effect
under
discusses
several
widely
used
methods
overcoming
it.
work
also
summarises
impact
different
parameters
describes
current
using
as
well
method
they
can
realised
independently.
In
addition,
it
presents
an
additional
significant
utilisation
aside
from
enhancing
single-nozzle
production
efficiency,
phase
change
materials
through
multi-nozzle.
Finally,
future
direction
discussed
envisioned.
