Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 25, 2025
Abstract
Perovskite
solar
cells
(PSCs)
have
emerged
as
a
prominent
focus
in
energy
research
owing
to
their
remarkable
power
conversion
efficiency
(PCE).
However,
the
realization,
maintenance,
and
even
repair
of
high
perovskite
are
still
difficult
issues.
Herein,
synergistic
strategy
grating
microstructures
ion‐conducting
elastomers
(ICE)
based
on
dynamic
hindered
urea‐carbamate
bonds
is
proposed
realize
high‐efficiency
long‐term
stable
PSCs.
The
microstructured
PbI
2
(G‐PbI
)
can
initially
optimize
crystallization
behavior
perovskite,
fact
that
introduction
ICE
achieves
25.61%
efficient
featuring
graded
demonstrates
triple‐functionality:
i)
Abundant
carbonyl
(‐C(O)‐)
coordination
sites
within
strongly
interact
with
,
enhancing
kinetics;
ii)
intrinsic
conductivity
facilitates
charge
carrier
transport
extraction
at
grain
boundaries
interfaces;
iii)
moisture‐responsive
urea
coupled
bond
reorganization
endows
device
exceptional
hydrothermal
stability
(T
80
>1500
h),
more
interestingly,
ICE‐containing
devices
be
simply
heat‐treated
recover
photovoltaic
performance.
A
hierarchical
covalent
networks
opens
new
insights
into
field
constructing,
maintaining,
restoring
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 16, 2025
Abstract
Perovskite
technologies
has
taken
giant
steps
on
its
advances
in
only
a
decade
time,
from
fundamental
science
to
device
engineering.
The
possibility
exploit
this
technology
thin
flexible
substrate
gives
an
unbeatable
power
weight
ratio
compares
similar
photovoltaic
systems,
opening
new
possibilities
and
integration
concepts,
going
building
integrated
applied
photovoltaics
(BIPV,
BAPV)
internet
of
things
(IoT).
In
perspective,
the
recent
progress
perovskite
solar
substrates
are
summarized,
focusing
challenges
that
researchers
face
upon
using
substrates.
A
dig
into
material
is
necessary
understand
what
kind
mechanisms
limiting
efficiency
compare
rigid
substrates,
which
physical
mechanism
limits
upscaling
substrate.
Furthermore,
overview
stability
test
modules
will
be
described,
suggesting
common
standard
procedure
guidelines
follow,
showing
additional
issues
bending,
how
prevent
degradation
providing
ad‐hoc
encapsulation.
Finally,
devices
market
shown,
giving
outline
exploited
still
missing
need
stakeholders’
attention.
Energy & Environmental Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Herein,
we
have
proposed
a
novel
tridentate
chelation
strategy
to
manage
the
excessive
amount
of
unreacted
PbI
2
in
perovskite
films,
achieving
inverted
PSC
device
with
PCE
25.66%
by
sequential
deposition
method.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 13, 2025
Abstract
Flexible
perovskite
solar
cells
offer
significant
potential
for
portable
electronics
due
to
their
exceptional
power
density.
However,
the
commercialization
of
these
devices
is
hampered
by
challenges
related
mechanical
flexibility,
primarily
inadequate
adhesion
between
absorber
layer
and
flexible
substrate.
Herein,
this
delamination
issue
addressed
employing
a
bifacial
linker,
potassium
benzyl(trifluoro)borate
(BnBF
3
K),
enhance
at
SnO
2
/perovskite
interface.
This
approach
not
only
improves
stability
but
also
reduces
buried
surface
defects
optimizes
energy
level
alignment.
Consequently,
record
efficiency
21.82%
(certified
21.39%)
achieved
module
with
an
area
12.80
cm
high
24.15%
cell.
Furthermore,
modules
exhibit
outstanding
retaining
96.56%
initial
after
6000
bending
cycles,
demonstrating
suitability
various
practical
applications.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 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.
Small Methods,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 29, 2024
The
perovskite
solar
cells
(PSCs)
technology
translated
on
flexible
substrates
is
in
high
demand
as
an
alternative
powering
solution
to
the
Internet
of
Things
(IOTs).
An
efficiency
∼26.1%
rigid
and
∼25.09%
has
been
achieved
for
PSCs.
Further,
it
also
reported
that
F-PSC
modules
have
a
surface
area
∼900
cm
Flexible
perovskite
solar
cells
(f-PSCs)
show
unique
charm
in
the
electronics
industry
due
to
their
mechanical
flexibility,
portability,
and
compatibility
with
curved
surfaces.
However,
severe
interfacial
defects
residual
tensile
strain
remain
pivotal
limitations
performance
stability.
Here,
a
novel
strategy
using
4-amino-2-(trifluoromethyl)
benzonitrile
(ATMB)
multiple
functional
groups
(−NH2,
−CF3,
−C≡N)
is
proposed
modify
interface
of
perovskite/Spiro-OMeTAD,
realizing
significant
improvements
both
efficiency
stability
PSCs.
The
comprehensive
defect
passivation
effects
ATMB
result
great
reduction
density
on
surface
grain
boundaries
films.
Moreover,
introduction
as
top
layer
reduces
Young's
modulus
films
then
releases
stress.
Furthermore,
modification
induces
an
upshift
valence
band
perovskite,
facilitating
hole
extraction.
Consequently,
rigid
PSC
attained
best
PCE
22.46%,
f-PSC
achieved
21.42%
modification,
significantly
exceeding
PCEs
20.32%
19.01%
control
devices.
combined
phytic
acid
(PA)-doped
SnO2,
23.04%
21.66%
were
obtained
for
flexible
PSCs,
respectively.
humidity
stability,
light
flexibility
devices
obviously
increased.
