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.
Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 5, 2025
Abstract
The
complete
phase
transition
from
DMAPbI
3
and
Cs
4
PbI
6
intermediates
to
the
final
CsPbI
perovskite
is
pivotal
for
fabricating
high‐quality
inorganic
films.
In
this
study,
reaction
energy
barrier
between
sought
be
reduced
by
increasing
their
surface
energy,
where
a
perfluorinated
compound
designed
using
DFT
modeling
saturate
of
effectively
prevent
crystalline
growth.
Consequently,
smaller
with
ultrahigh
react
more
energetically
facilitate
rapid
conversion
desired
phase.
It
found
that
resultant
shows
improved
crystallinity
morphology,
as
demonstrated
suppressed
non‐radiative
recombination
prolonged
carrier
lifetimes.
As
result,
optimized
solar
cells
(PSCs)
achieve
power
efficiency
(PCE)
over
20%,
along
significantly
light
thermal
stability.
This
work
provides
way
regulate
crystallization
dynamics
advanced
quality
perovskites.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(19), P. 6974 - 7016
Published: Jan. 1, 2024
This
review
overviews
the
challenges
at
buried
interface
of
PSCs,
defect
passivation
capabilities
SAMs,
and
its
effectiveness
compared
to
other
passivating
agents.
Communications Materials,
Journal Year:
2024,
Volume and Issue:
5(1)
Published: July 23, 2024
Abstract
In
the
last
decade,
laboratory-scale
single-junction
perovskite
solar
cells
have
achieved
a
remarkable
power
conversion
efficiency
exceeding
26.1%.
However,
transition
to
industrial-scale
production
has
unveiled
significant
gap.
The
central
challenge
lies
in
difficulty
of
achieving
uniform,
high-quality
films
on
large
scale.
To
tackle
this
issue,
various
innovative
strategies
for
manipulating
crystallization
emerged
recent
years.
Based
an
in-depth
fundamental
understanding
nucleation
and
growth
mechanisms
large-area
prepared
through
blade/slot-die
coating
methods,
review
offers
critical
examination
manipulation
modules.
Lastly,
we
explore
future
avenues
aimed
at
enhancing
stability
PSMs,
thereby
steering
field
toward
commercially
viable
applications.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 12, 2024
Abstract
As
the
core
component
of
sandwich‐like
perovskite
solar
cells
(PSCs),
quality
layer
is
a
challenge
for
further
progress
in
PSCs
due
to
unfavorable
defects
and
uncontrollable
crystallization.
Here,
surface
post‐treatment
strategy
employing
ethyl
thioglycolate
(ET)
as
ligand
molecule
developed
property
manipulation
films.
ET
can
lower
energy
facets
induces
secondary
growth
grains,
giving
films
with
higher
crystallinity
defect
density.
Meanwhile,
both
carbonyl
sulfhydryl
bind
Pb
2+
,
thus
forming
bidentate
anchoring
on
passivation.
Besides,
perovskite/ET/C
60
interface
presents
improved
charge
transfer
owing
well‐aligned
levels.
Consequently,
power‐conversion‐efficiency
(PCE)
boosted
22.42%
23.56%
(certified
23.29%)
FA
0.85
Cs
0.15
Pb(I
0.95
Br
0.05
)
3
0.9
MA
PSCs,
respectively,
‐based
PSC
larger
area
(1.03
cm
2
delivers
PCE
20.01%.
Importantly,
demonstrates
effective
management
I
PbI
thereby
preventing
accelerated
degradation
lead
leakage
devices.
Thanks
multiple
effects
ET,
resulting
devices
exhibit
significantly
enhanced
ambient
stability
over
course
800
h,
thermal
1500
h
while
maintaining
80.4%
its
original
efficiency.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 19, 2025
Abstract
Nickel
oxide
(NiO
x
)
is
considered
as
a
potential
hole
transport
material
in
the
fabrication
of
lead‐tin
(Pb‐Sn)
perovskite
solar
cells
(PSCs)
for
tandem
applications.
However,
energy
level
mismatch
and
unfavorable
redox
reactions
between
Ni
≥3+
species
Sn
2+
at
NiO
/perovskite
interface
pose
challenges.
Herein,
high‐performance
Pb‐Sn‐based
inorganic
PSCs
are
demonstrated
by
modulating
with
multifunctional
4‐aminobenzenesulfonic
acid
(4‐ABSA)
interlayer.
The
4‐ABSA
interlayer
induces
formation
an
oriented
dipole
moment
directed
from
to
perovskite,
effectively
elevating
valance
band
maximum
film,
thus
balancing
difference
promoting
charge
carrier
extraction
device.
Moreover,
molecules
interact
both
suppressing
reaction
highly
active
perovskites
while
regulating
crystallization.
This
results
films
reduced
defect
density
enlarged
grains.
Consequently,
remarkable
device
efficiency
17.4%
obtained,
representing
highest
reported
value
far.
Furthermore,
enhances
UV‐radiation
operational
stability
resulting
devices,
maintaining
over
80%
90%
initial
after
240
h
UV‐light
exposure
480
1
sun
illumination,
respectively.
RSC Advances,
Journal Year:
2024,
Volume and Issue:
14(15), P. 10219 - 10228
Published: Jan. 1, 2024
Metallic
perovskites
have
advantageous
optical
and
electrical
properties,
making
them
a
valuable
class
of
semiconductors
for
the
manufacturing
solar
cells.
Device,
Journal Year:
2024,
Volume and Issue:
2(5), P. 100285 - 100285
Published: Feb. 12, 2024
In
this
study,
the
crystalline
quality
of
CsPbBr3
is
significantly
improved
through
a
two-pronged
strategy
using
two-step
process.
Specifically,
we
combined
etching
effect
PEG
on
PbBr2
with
strong
permeation
CsBr
aqueous
solution
in
preparation.
Under
1-sun
illumination,
PCE
printable
mesoscopic
perovskite
solar
cells
(p-MPSCs)
based
reached
an
impressive
10.04%,
marking
highest
reported
value
to
date.
By
capitalizing
excellent
thermal
stability
and
fully
harnessing
surface
energy
device
thermal-to-electricity
generator
(TEG)
module,
assembled
p-MPSC-TEG
series-connected
four-terminal
tandem
achieves
power
output
up
28.35
mW
cm−2
under
concentrated
light.
This
groundbreaking
research
not
only
establishes
new
benchmark
for
all-inorganic
p-MPSCs
but
also
underscores
their
potential
high
output,
stability,
simultaneous
utilization
photothermal
applications.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 10, 2024
Abstract
In
the
rapidly
advancing
realm
of
perovskite
solar
cells,
rectification
defects
has
surfaced
as
a
crucial
scientific
challenge.
The
control
over
defect
states,
especially
in
printable
mesoscopic
cells
(p‐MPSCs),
is
hindered
by
complexities
screen‐printing
technology.
Here
novel
“two‐in‐one”
passivation
strategy
presented,
through
doping
TiO
2
paste
with
cesium
halide
salts
(CsX,
where
X
=
F,
Cl,
Br,
I)
to
integrate
all‐inorganic
Cs
halides,
particularly
CsF,
into
electron
transport
layer
p‐MPSCs.
Owing
robust
interaction
between
F
−
ions
and
compared
+
ions,
inability
infiltrate
lattice,
play
distinct
roles
starting
from
buried
interface
Specifically,
can
rectify
oxygen
vacancies
on
surface,
thus
alleviating
residual
stress
at
perovskite's
interface.
Simultaneously,
diffuses
top
mends
methylamine
vacancies.
As
result,
PCE
optimal
device,
based
F‐doped
,
witnesses
significant
improvement
16.18%
(control)
18.24%.
two‐in‐one
utilizing
CsX
well
realize
rectification,
thereby
offering
promising
prospect
for
enhancement
p‐MPSC
performance.
