Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 3, 2025
Abstract
Uncontrolled
deposition
of
tin
oxide
(SnO
2
)
colloidal
nanoparticles
and
perovskite
precursors
poses
challenges
for
improving
the
efficiency
stability
solar
cells
(PSCs).
Modifying
electron
transport
layer
(ETL)
can
both
enhance
its
own
performance
influence
crystallization
kinetics
upper
layer.
This
study
incorporates
chain‐like
surfactants
with
spatially
opposite
charges
ETL
modification.
It
is
found
that
molecular
conformational
changes
induced
by
flexibility
carbon
chain
lead
to
collapse
urchin‐like
structure,
impacting
passivation
effect
SnO
deposition.
Due
more
stable
conformation
short‐chain
surfactant,
fully
extended
chains
in
micelles
form
a
establishing
stronger
aggregation
barrier
ensures
uniform
The
ordered
distribution
molecules
allows
functional
groups
be
exposed
on
surface
facilitates
interlayer
approach
enhances
across
layers,
alleviates
interfacial
tensile
stress,
promotes
contact,
extends
processing
window
perovskite,
thereby
ensuring
high‐performance
PSCs.
Ultimately,
an
optimized
substrate
strategy
increases
PSC
device
from
22.21%
24.12%,
greatly
improves
unencapsulated
under
various
conditions,
providing
new
option
modification
engineering.
Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 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.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 16, 2025
Abstract
The
brittle
buried
interface,
characterized
by
weak
adhesion
to
the
substrate,
numerous
imperfections,
and
unfavorable
strain,
poses
a
significant
challenge
that
impairs
overall
performance
long‐term
stability
of
perovskite
solar
cells
(PSCs).
Herein,
robust
molecular
zipper
is
constructed
through
in
situ
polymerization
self‐assembly
monomer
4‐vinylbenzoic
acid
(VA),
tightly
link
interface
substrate
n‐i‐p
PSCs
with
an
adhesive
strength
as
high
10.77
MPa.
modified
exhibits
improved
morphology,
suppressed
defects,
released
matched
energy
level
alignment.
resulting
deliver
absolute
gain
≥1.67%
champion
power
conversion
efficiency
based
on
both
one‐step
deposition
protocol
two‐step
one,
demonstrating
universality
this
strategy
across
different
film‐processing
scenarios.
unencapsulated
can
retain
94.2%
their
initial
after
550
h
linear
extrapolated
T
90
value
1230
h,
per
ISOS‐L‐2
protocol.
This
work
provides
facile
reinforce
PSCs.
Science,
Год журнала:
2025,
Номер
387(6738), С. 1069 - 1077
Опубликована: Март 6, 2025
The
lattice
deformation
and
structural
evolution
of
perovskite
films
in
response
to
electric
fields,
temperature,
light
limit
the
operational
endurance
solar
cells.
We
mechanically
reinforced
thin
by
integrating
a
polymer-coupled
monolithic
single-layer
graphene
interface
that
led
twofold
enhancement
modulus
hardness.
synergistic
effect
poly(methyl
methacrylate)
restricted
photoinduced
expansion
decreased
ratio
from
0.31
0.08%,
which
minimized
damage
caused
dynamic
evolution.
Solar
cell
devices
maintained
>97%
their
initial
power
conversion
efficiency
after
maximum
point
tracking
for
>3670
hours
under
full-spectrum
air
mass
1.5
global
(AM
G)
sunlight
at
90°C.
Perovskite
solar
cells
(PSCs)
have
gained
significant
attention
due
to
their
high
efficiency
and
potential
for
low‐cost
production.
The
upscaling
of
PSCs
is
key
its
final
large‐scale
commercial
deployment.
In
recent
several
years,
considerable
advancements
been
obtained
on
large‐area
perovskite
modules
(PSMs).
Several
deposition
methods
employed
fabricate
PSMs,
mainly
including
spin‐coating,
doctor‐blading,
slot‐die
coating,
meniscus
printing,
screen
vacuum
deposition.
Among
them,
coating
technique
plays
a
critical
role
in
preparing
high‐efficiency
which
most
widely
adopted
until
now.
this
review,
the
fundamentals
important
parameters
application
PSMs
are
first
introduced.
Then,
challenges
corresponding
solutions
discussed.
Finally,
some
development
directions
issues
presented
advance
photovoltaic
devices
toward
practical
application.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 31, 2025
Abstract
Thermally
induced
tensile
strain
that
remains
in
perovskite
films
after
annealing
is
one
of
the
key
reasons
for
diminishing
performance
and
operational
stability
solar
cells
(PSCs).
Herein,
a
glass
transition
temperature
(
T
g
)
regulation
(TR)
strategy
developed
by
introducing
two
polymerizable
monomers,
2‐(N‐3‐Sulfopropyl‐N,
N
‐dimethyl
ammonium)ethyl
methacrylate
(SBMA)
2‐Hydroxyethyl
acrylate
(HEA),
into
layer.
SBMA
HEA
undergo
situ
polymerization,
which
regulates
nucleation
crystal
growth
film.
In
addition,
adjusting
ratio
to
lower
resulting
polymer
effectively
releases
The
modified
film
exhibits
significantly
reduced
strain,
decreased
trap
density
improved
stability.
As
result,
optimized
PSCs
achieve
champion
power
conversion
efficiency
(PCE)
26.15%
(certified
as
25.59%).
Furthermore,
encapsulated
device
demonstrates
prominent
enhanced
operation
stability,
maintaining
90.3%
its
initial
500
h
continuous
sunlight
exposure.
Although
C
60
is
usually
the
electron
transport
layer
(ETL)
in
inverted
perovskite
solar
cells,
its
molecular
nature
of
leads
to
weak
interfaces
that
lead
non-ideal
interfacial
electronic
and
mechanical
degradation.
Here,
we
synthesized
an
ionic
salt
from
,
4-(1',5′-dihydro-1'-methyl-2'
H
-[5,6]
fullereno-C
-
I
h
-[1,9-c]pyrrol-2'-yl)
phenylmethanaminium
chloride
(CPMAC),
used
it
as
shuttle
PSCs.
The
CH
2
-NH
3
+
head
group
CPMA
cation
improved
ETL
interface
enhanced
packing,
leading
~3-fold
increase
toughness
compared
.
Using
CPMAC,
obtained
~26%
power
conversion
efficiencies
(PCEs)
with
~2%
degradation
after
2,100
hours
1-sun
operation
at
65°C.
For
minimodules
(four
subcells,
6
centimeters
square),
achieved
PCE
~23%
<9%
2,200
55°C.
