The
growing
demand
for
sustainable
energy
solutions
has
made
the
development
of
scalable,
efficient,
and
cost‐effective
perovskite
solar
cells
(PSCs)
increasingly
important.
Wide‐bandgap
perovskites
(WB‐PSCs)
stand
out
due
to
their
efficiency
in
low‐light
conditions
use
tandem
cells.
WB‐PSCs
are
currently
behind
conventional
PSCs
upscaling,
with
limited
success
printing
wide
bandgap
PSCs.
Developing
upscaling
methods
is
essential
fully
realize
potential
renewable
sector.
This
research
addresses
roll‐to‐roll
(R2R)
slot‐die
coating
Cs
0.05
FA
0.95
PbBr
3
‐based
by
focusing
on
improving
film
formation
process
ink
formulation.
By
adding
optimal
concentration
CsBr
performing
situ
characterization,
we
obtained
films
enhanced
morphology
crystallinity
ambient
(50%
RH),
without
inducing
secondary
phase
formation.
In
addition,
defects
eliminated
through
introducing
DMSO:
Butanol
(9:1)
solvent
system.
R2R
coated
wide‐bandgap
reaches
a
power
conversion
(PCE)
up
8.97%
under
1‐sun
18.3%
PCE
indoor
conditions.
corresponding
modules
5
×
cm
2
active
area
achieve
5.8%,
representing
crucial
step
towards
high‐throughput,
production
modules.
Advanced Materials,
Год журнала:
2024,
Номер
36(37)
Опубликована: Янв. 16, 2024
This
review
outlines
the
rapid
evolution
of
flexible
perovskite
solar
cells
(f-PSCs)
to
address
urgent
need
for
alternative
energy
sources,
highlighting
their
impressive
power
conversion
efficiency,
which
increases
from
2.62%
over
24%
within
a
decade.
The
unique
optoelectronic
properties
materials
and
inherent
mechanical
flexibilities
instrumental
in
development
f-PSCs
are
examined.
Various
strategies
proposed
material
modification
device
optimization
significantly
enhance
efficiency
bending
durability.
transition
small-scale
devices
large-area
photovoltaic
modules
diverse
applications
is
discussed
addition
challenges
innovative
solutions
related
film
uniformity
environmental
stability.
provides
succinct
yet
comprehensive
insights
into
f-PSCs,
paving
way
integration
various
potential
renewable
landscape.
Advanced Materials Technologies,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 20, 2025
Abstract
The
urgency
for
a
sustainable
mitigation
of
the
environmental
impacts
caused
by
climate
change
highlights
importance
renewable
energy
technologies
to
fight
this
challenge.
Perovskite
solar
cells
(PSCs)
emerge
as
promising
alternative
traditional
photovoltaic
(PV)
due
their
unprecedented
increase
in
efficiency
(currently
peaking
at
26.95%)
and
long‐term
stability
proven
successful
completion
industry
relevant
International
Electrotechnical
Commission
(IEC)
testing
standards.
Flexible
PSCs
(f‐PSCs)
offer
significant
advantages
such
lightweight
high
power‐per‐weight
ratio,
mechanical
flexibility,
throughput
roll‐to‐roll
(R2R)
manufacturing.
These
make
f‐PSCs
ideal
implementation
various
applications
areas,
wearable
electronics,
portable
devices,
space
PV,
building‐
or
automotive‐integrated
PVs,
more.
Notably,
efficiencies
over
23%
now
mark
milestone
f‐PSCs,
demonstrating
competitiveness
with
rigid
panels.
This
review
explores
breakthroughs
focusing
on
flexible
substrates,
electrode
materials,
perovskite
inks,
encapsulation
strategies.
It
also
covers
recent
advancements
studies
fabricated
scalable
deposition
methods
emphasizes
interfacial
engineering
enhancing
durability.
concludes
summary
key
findings,
remaining
challenges,
perspectives
market
uptake
f‐PSCs.
Perovskite
solar
cells
(PSCs)
have
exceeded
26%
efficiency.
One
attribute
of
PSCs
is
their
printability
at
relatively
low
temperatures,
particularly
advantageous
for
flexible
cells.
However,
developing
efficient,
fully
printable
on
rough
and
soft
plastic
substrates
remains
a
challenge.
Herein,
efficient
fabricated
by
only
scalable
methods
in
ambient
conditions
are
reported.
First,
the
source
issue
fabricating
PSCs—the
presence
charge
carrier
shorting
pathways
within
electron‐transport
layer
(ETL)
due
to
incomplete
coverage
surface
substrates—is
identified.
To
address
this
challenge,
ETL
deposition
ink
modified
with
phase‐transfer
catalyst,
often
used
synthetic
organic
chemistry.
Dynamic
light
scattering
nuclear‐magnetic
resonance
studies
show
that
catalyst
enhances
particle‐to‐particle
interaction
ink,
eventually
leading
conformal
substrates.
As
result,
power
conversion
efficiency
17.6%
all‐scalable
n–i–p
‐structured
based
methylammonium
lead
iodide
(MAPbI
3
)
demonstrated,
among
highest
reported
date
PSCs,
all
air.
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 5, 2024
Abstract
As
the
world
edges
closer
to
perovskite
solar
cell
(PSC)
commercialization,
state‐of‐the‐art
materials
and
processes
become
publicized
a
much
lesser
degree.
From
current
insights
into
industry
standards,
slot‐die
coating
is
number
one
method
for
fabricating
layer.
Other
significant
layers
can
be
done
using
varying
techniques.
Hence,
in
this
review
article,
all
115
existing
slot‐die‐based
PSC
publications
date
together
with
related
literature
are
crystallized
set
stages
future
scalable
research.
Through
investigation
of
effects
materials,
processes,
structures
on
performance,
stability,
cost
presented.
In
end,
power
output
x
operating
lifetime
per
most
influential
factor
market
consideration.
The
roll‐to‐roll
compatibility
low‐cost
lean
present
cost‐effective
strategy
successful
commercialization.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 19, 2024
Abstract
The
commercialization
of
perovskite
solar
cells
(PSCs),
as
an
emerging
industry,
still
faces
competition
from
other
renewable
energy
technologies
in
the
market.
It
is
essential
to
ensure
that
PSCs
are
durable
and
stable
high‐temperature
environments
order
meet
varied
market
demands
hot
regions
or
seasons.
influence
high
temperatures
on
complex,
encompassing
factors
such
lattice
strain,
crystal
phase
changes,
creation
defects,
ion
movement.
Furthermore,
it
intensifies
vibrations
phonon
scattering,
which
turn
impacts
migration
rate
charge
carriers.
This
review
focuses
durability
organic–inorganic
hybrid
under
temperatures.
begins
by
analyzing
impact
external
temperature
variations
internal
dynamics
PSCs.
Subsequently,
outlines
various
mechanisms
provided
different
functional
molecules,
applied
interface
stabilization,
grain
boundary
passivation,
growth
control,
electrode
protection,
development
new
hole
transport
layers,
enhance
thermal
stability
Additionally,
machine
learning
(ML)
discussed
for
predicting
structure
stability,
operational
material
screening,
with
a
focus
potential
deep
explainable
artifical
intelligence
(AI)
techniques
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 28, 2025
Abstract
Flexible
perovskite
solar
cells
(F‐PSCs)
have
emerged
as
a
promising
area
of
research
in
photovoltaics,
achieving
power
conversion
efficiencies
(PCEs)
surpassing
26%.
Compared
to
rigid
PSCs,
the
selection
deposition
techniques
and
materials
optimization,
among
other
factors,
significantly
influence
efficiency
long‐term
stability
F‐PSCs.
This
review
comprehensively
analyzes
state‐of‐the‐art
F‐PSC
fabrication
methods,
including
spin
coating,
blade
slot‐die
inkjet
printing,
screen
vacuum
evaporation.
Additionally,
it
evaluates
advanced
strategies
for
refining
charge
transport
materials,
such
doping,
additive
engineering,
interfacial
modification.
Critical
challenges
unique
F‐PSCs
are
also
discussed,
their
integration
into
tandem
cells,
encapsulation
reliability,
compatibility
with
flexible
substrates.
Ultimately,
this
offers
forward‐looking
perspective
on
commercialization,
proposing
actionable
solutions
address
technical
bottlenecks
facilitate
transition
from
lab‐scale
innovation
industrial
application.
Defect
management
in
perovskite
solar
cells
(PSCs)
via
surface
passivation
has
become
a
cornerstone
maximizing
both
stability
and
solar‐to‐electrical
power
conversion
efficiency
(PCE)
of
devices
by
reducing
defect
densities
and/or
improving
energetic
alignment
between
the
charge‐transporting
layers.
Despite
this,
few
reports
explore
use
roll‐to‐roll
compatible
technologies
to
deposit
such
interfacial
treatments,
limiting
applicability
real‐world
contexts.
In
this
work,
iso‐butylammonium
bromide
(i‐BABr)
is
spray‐coated
onto
Cs
0.15
FA
0.85
PbI
2.85
Cl
which
deposited
using
gas‐assisted
ultrasonic
spray
coating.
It
found
that
i‐BABr
treatments
result
formation
quasi‐2D
layer.
The
treatment
results
an
impressive
80
mV
improvement
median
open‐circuit
voltage
with
respect
untreated
devices.
Importantly,
very
similar
positive
benefits
application
spin‐coated
demonstrating
promise
spray‐passivation
methodology.
shown
created
manner
demonstrate
PCEs
up
21.0%
(19.4%
stabilized),
representing
highest
reported
for
one‐step,
methylammonium‐free
PSCs.
This
work
represents
first
demonstration
high‐throughput,
processing.
