Strategies for Stabilizing Metal Halide Perovskite Light-Emitting Diodes: Bulk and Surface Reconstruction of Perovskite Nanocrystals
ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 7, 2025
Light-emitting
colloidal
lead
halide
perovskite
nanocrystals
(PeNCs)
are
considered
promising
candidates
for
next-generation
vivid
displays.
However,
the
operational
stability
of
light-emitting
diodes
(LEDs)
based
on
PeNCs
is
still
lower
than
those
polycrystalline
films,
which
requires
an
understanding
defect
formation
in
PeNCs,
both
inside
crystal
lattice
("bulk")
and
at
surface.
Meanwhile,
uncontrollable
ion
redistribution
electrochemical
reactions
under
LED
operation
can
be
severe,
also
related
to
bulk
surface
quality
a
well-designed
device
architecture
boost
carrier
injection
balance
radiative
recombination.
In
this
review,
we
consider
reconstruction
by
enhancing
rigidity
rationally
selecting
ligands.
Degradation
pathways
applied
voltage
discussed,
strategies
avoid
undesirable
migration
PeNC
films.
Subsequently,
other
critical
issues
hindering
commercial
application
LEDs
including
toxicity
Pb
perovskites,
scale-up
deposition
design
active-matrix
prototypes
high-resolution
modules.
Language: Английский
In-Situ Surface Repair of FAPbBr3 Quantum Dots toward High-Performance Pure-Green Perovskite Light-Emitting Diodes
Jibin Zhang,
No information about this author
Dandan Zhang,
No information about this author
Xin Zhou
No information about this author
et al.
Nano Letters,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 20, 2024
Metal
halide
perovskite
light-emitting
diodes
(PeLEDs)
are
ideal
for
high-resolution
displays
due
to
their
tunable
emission,
narrow
spectra,
and
low-cost
processing.
Colloidal
FAPbBr
Language: Английский
Unlocking Brightness in CsPbCl3 Perovskite Nanocrystals: Screening Ligands and Metal Halides for Effective Deep Trap Passivation
Nadesh Fiuza‐Maneiro,
No information about this author
Junzhi Ye,
No information about this author
Shilendra Kumar Sharma
No information about this author
et al.
ACS Energy Letters,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1623 - 1632
Published: March 12, 2025
Language: Английский
Surface-driven phase transition of Cs4PbBr6 nanocrystals in droplets: a humidity-responsive mechanism and its application in information security
Journal of Colloid and Interface Science,
Journal Year:
2025,
Volume and Issue:
694, P. 137674 - 137674
Published: April 25, 2025
Language: Английский
Oleylammonium Fluoride Passivated Blue-Emitting 2D CsPbBr3 Nanoplates with Near-Unity Photoluminescence Quantum Yield: Safeguarding against Threats by External Perturbations
Chemical Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Post-synthetic
treatment
of
two-dimensional
(2D)
colloidal
CsPbBr
3
nanoplates
by
oleylammonium
fluoride
has
boosted
the
PLQY
upto
near
unity
with
significant
enhancement
stability
from
external
exposures
like
heat,
UV
light,
water
and
oxygen.
Language: Английский