Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 3, 2024
Abstract
Metal
lead
perovskite
(MHP)
single
crystals
(SCs)
with
extraordinary
optical
properties
are
promising
candidates
for
high‐performance
SC‐based
light‐emitting
diodes
(SC‐PeLEDs).
However,
the
heating
process
involved
in
traditional
methods
to
initiate
crystal
nucleation
and
growth
inevitably
induces
massive
defects
MHP
SCs,
leading
inferior
electroluminescence
performance
poor
operational
stability
of
SC‐PeLEDs.
Preparation
low‐defect
thin
SCs
SC‐PeLEDs
remains
a
formidable
challenge.
Here,
facile
pre‐nucleation
strategy
is
developed
enable
room‐temperature
(RT)
high‐quality
MAPbBr
3
(MA
+
=
CH
NH
)
SCs.
By
avoiding
detrimental
effect
high
temperature,
prepared
at
RT
show
improved
crystallinity
lower
trap‐state
density,
giving
rise
higher
photoluminescence
quantum
yield
uniform
fluorescence.
Consequently,
‐based
achieve
external
efficiency
up
9.7%,
along
an
ultrahigh
luminance
126
800
cd
m
−2
,
which
among
highest
Moreover,
demonstrate
remarkably
half‐lifetimes
as
long
594
min
33.2
initial
luminances
≈1000
≈10
000
respectively.
The
work
has
excellent
universality
paves
way
toward
fabrication
future
lighting,
display,
laser
applications.
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
124(19), P. 10623 - 10700
Published: Aug. 29, 2024
Recently,
there
has
been
an
extensive
focus
on
inverted
perovskite
solar
cells
(PSCs)
with
a
p-i-n
architecture
due
to
their
attractive
advantages,
such
as
exceptional
stability,
high
efficiency,
low
cost,
low-temperature
processing,
and
compatibility
tandem
architectures,
leading
surge
in
development.
Single-junction
perovskite-silicon
(TSCs)
have
achieved
certified
PCEs
of
26.15%
33.9%
respectively,
showing
great
promise
for
commercial
applications.
To
expedite
real-world
applications,
it
is
crucial
investigate
the
key
challenges
further
performance
enhancement.
We
first
introduce
representative
methods,
composition
engineering,
additive
solvent
processing
innovation
charge
transporting
layers,
interface
fabricating
high-efficiency
stable
PSCs.
then
delve
into
reasons
behind
excellent
stability
Subsequently,
we
review
recent
advances
TSCs
PSCs,
including
perovskite-Si
TSCs,
all-perovskite
perovskite-organic
TSCs.
achieve
final
deployment,
present
efforts
related
scaling
up,
harvesting
indoor
light,
economic
assessment,
reducing
environmental
impacts.
Lastly,
discuss
potential
PSCs
future.
Materials Futures,
Journal Year:
2024,
Volume and Issue:
3(2), P. 022102 - 022102
Published: April 24, 2024
Abstract
Perovskite
(PVK)
solar
cells
(PSCs)
have
garnered
considerable
research
interest
owing
to
their
cost-effectiveness
and
high
efficiency.
A
systematic
annual
review
of
the
on
PSCs
is
essential
for
gaining
a
comprehensive
understanding
current
trends.
Herein,
analysis
papers
reporting
key
findings
in
2023
was
conducted.
Based
results,
were
categorized
into
six
classifications,
including
regular
n–i–p
PSCs,
inverted
p–i–n
PVK-based
tandem
cells,
PVK
modules,
device
stability,
lead
toxicity
green
solvents.
Subsequently,
detailed
overview
summary
advancements
within
each
classification
presented.
Overall,
this
serves
as
valuable
resource
guiding
future
endeavors
field
PSCs.
ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 13, 2025
The
power
conversion
efficiencies
(PCEs)
of
polycrystalline
perovskite
solar
cells
(PC–PSCs)
have
now
reached
a
plateau
after
decade
rapid
development,
leaving
distinct
gap
from
their
Shockley-Queisser
limit.
To
continuously
mitigate
the
PCE
deficit,
nonradiative
carrier
losses
resulting
defects
should
be
further
optimized.
Single-crystal
perovskites
are
considered
an
ideal
platform
to
study
efficiency
limit
due
intrinsically
low
defect
density,
as
demonstrated
in
bulk
single
crystals.
However,
current
single-crystal
(SC-PSCs)
based
on
thin
film
(SCTF)
suffer
severe
at
interface
and
simultaneously
immature
SCTF
growth
techniques.
In
this
study,
we
show
that
SC-PSCs
can
outperform
state-of-the-art
PC–PSCs,
with
MAPbI3
example,
by
suppressing
device-compatible
SCTFs
through
precisely
controlling
growth.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 10, 2024
Abstract
Metal
halide
perovskite
single
crystals
(MHP
SCs)
have
attracted
extensive
attention
due
to
their
superior
properties,
such
as
higher
carrier
mobility,
longer
diffusion
length,
and
better
stability
than
polycrystalline
counterparts.
In
particular,
the
suppression
of
ion
migration
Auger
recombination
endows
MHP
SCs
with
excellent
electroluminescence
(EL)
thus
holding
great
potential
for
highly
efficient
stable
light‐emitting
devices.
this
review,
general
overview
crystal
structures
are
begin,
highlight
merits
in
terms
outstanding
optoelectronic
properties
high
stability.
Then,
appropriate
growth
methods
high‐quality,
thickness‐controlled
EL
device
applications
systematically
summarized.
Subsequently,
recent
advancements
developing
SC‐based
diodes
(PeLEDs)
discussed,
effective
strategies
further
enhance
performance
reviewed.
Moreover,
application
electrically
pumped
lasers
is
highlighted.
Finally,
review
concluded
a
detailed
account
current
challenges
perspective
on
key
approaches
opportunities
optimization
SC
growth,
improvement
integration
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 3, 2024
Abstract
Metal
halide
perovskite
single
crystals
are
promising
for
photovoltaic
applications
due
to
their
outstanding
properties.
However,
the
high
surface
trap
density
causes
severe
nonradiative
recombination
and
ion
migration,
hindering
device
performance
stability.
Herein,
mitigation
of
deficient
crystal
is
reported
by
optimized
polishing
engineering,
resulting
in
stoichiometric
lead‐iodine
ratio
with
reduced
iodide
vacancies,
increased
migration
activation
energy,
suppressed
recombination.
As
a
result,
Cs
0.05
FA
0.95
PbI
3
(FA
=
formamidinium)
devices
exhibit
an
impressive
efficiency
23.1%,
which
one
highest
values
single‐crystal
solar
cells
(PSCs).
Moreover,
multiple
recycling
degraded
PSCs
higher
stability
achieved
removing
deteriorated
surface,
validating
dominates
degradation
while
role
bulk
buried
interface
negligible,
different
from
polycrystalline
devices.
The
T85
lifetime
(remain
85%
initial
efficiency)
increases
1150
h
after
process,
much
better
than
that
previously
PSCs.
Since
universal
issues
materials,
this
work
will
promote
development
stable
other
optoelectronic
devices,
such
as
X‐ray
detectors,
light‐emitting
diodes,
etc.
ACS Energy Letters,
Journal Year:
2024,
Volume and Issue:
9(11), P. 5679 - 5687
Published: Oct. 31, 2024
Interface
engineering
has
significantly
boosted
perovskite
solar
cell
efficiency
and
stability.
However,
numerous
approaches
focus
on
addressing
defects
at
the
interfaces
between
transport
layers
while
neglecting
potential
issues
within
bulk
material.
Here,
a
multifunctional
molecule,
sodium
lignosulfonate
(SL),
containing
three
types
of
functional
groups,
was
introduced
as
chemical
bridge
perovskite/SnO2
interface.
The
SL
bridges
promote
energy
level
alignment
interface
regulate
crystallization
process.
Meanwhile,
coordinated
interactions
components
with
−OH
−SO3–
groups
SL,
coupled
Na+
diffusion,
effectively
passivate
buried
bulk.
As
result,
champion
SnO2–SL
based
n-i-p
PSC
achieved
power
conversion
efficiencies
25.73%
25.13%
rigid
flexible
substrates,
respectively.
Unencapsulated
devices
maintained
92.9%
their
initial
after
2,550
h
maximum
point-tracking
under
1-sun
illumination
in
an
inert
atmosphere.
ACS Omega,
Journal Year:
2024,
Volume and Issue:
9(35), P. 36865 - 36873
Published: Aug. 20, 2024
Among
novel
semiconductors,
perovskites
have
gained
significant
attention
due
to
their
versatility,
combining
tunable
optoelectronic
properties
with
relatively
easy
fabrication
processes.
However,
certain
issues
still
hinder
widespread
use,
often
related
the
presence
of
defects
and
traps
within
material.
Beyond
defect
passivation
in
polycrystalline
thin
films,
an
alternative
approach
enhancing
material
quality
lies
single
crystals.
This
review
aims
provide
overview
promising
approaches
explored
address
specific
challenges
that
benefit
from
crystal
nature,
restricting
our
analysis
perovskite
films
(PSC-TF).
We
will
discuss
techniques
highlight
recent
achievements
devices,
such
as
photodetectors,
solar
cells,
transistors.
By
examining
fundamental
already
discovered
showcasing
latest
advancements,
we
aim
perspectives
open
for
PSC-TF
next-generation
devices.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(47), P. 64424 - 64446
Published: Nov. 16, 2024
Due
to
the
advantages
of
low
interface
resistance,
high
work
function,
and
stability,
PACz
family
materials
have
developed
rapidly
in
p-i-n
structure
perovskite
solar
cells
(PSCs)
recent
years.
Numerous
studies
shown
that
PSCs
prepared
on
basis
or
their
derivatives
as
hole
transport
layers
(HTLs)
generally
exhibit
superior
performance
compared
organic
HTL
PTAA
inorganic
NiO
