Advanced Optical Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 31, 2024
Abstract
The
efficiency
of
solar
cells
based
on
organic–inorganic
hybrid
perovskite
materials
has
already
met
the
standards
for
commercial
applications.
However,
there
remains
an
gap
≈30%
between
small‐area
devices
and
industrial‐scale
devices.
Large‐area
devices,
in
particular,
tend
to
exhibit
lower
optoelectronics
reduced
environmental
stability.
ink
fluid
behavior
significantly
influences
crystal
process
large‐area
films
during
printing
fabrication,
which
cannot
be
disregarded.
As
manufacturing
area
total
solvent
volatilization
increase,
impact
inhomogeneous
migration
by
colloidal
particles
gradually
intensifies.
This
work
focuses
elucidating
rheological
properties
crystalline
quality
device
optoelectronic
performance
deposition.
It
explores
throughout
process,
effects
additives
motion
particles,
how
ink's
change
when
modifying
agents
interact
with
particles.
Additionally,
functional
aspects
controlling
film
formation
optimizing
photovoltaic
(PSCs)
are
thoroughly
discussed.
Ultimately,
preparation
improvement
precursor
solution
current
technical
barriers
commercialization
summarized
prospected.
Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: Jan. 2, 2025
The
primary
challenge
in
commercializing
perovskite
solar
cells
(PSCs)
mainly
stems
from
fragile
and
moisture-sensitive
nature
of
halide
materials.
In
this
study,
we
propose
an
asynchronous
cross-linking
strategy.
A
multifunctional
initiator,
divinyl
sulfone
(DVS),
is
firstly
pre-embedded
into
precursor
solutions.
DVS,
also
as
a
special
co-solvent,
facilitates
intermediate-dominated
crystallization
manipulation,
favouring
formamidine-DVS
based
solvate
transition.
Subsequently,
DVS-embedded
as-cast
films
are
post-treated
with
nucleophilic
reagent,
glycerinum,
to
trigger
controllably
three-dimensional
co-polymerization.
resulting
scaffold
provides
enhanced
water-resistance,
releases
residual
tensile
strain,
suppresses
deep-level
defects.
We
achieve
maximum
efficiency
over
25%
(certified
24.6%)
VOC
1.229
V,
corresponding
mere
0.30
V
deficit,
reaching
97.5%
the
theoretical
limit,
which
highest
reported
all
systems.
This
strategy
generally
applicable
efficiencies
approaching
26%.
All-around
protection
significantly
improves
PSC's
operational
longevity
thermal
endurance.
Here,
authors
multi-functional
high-performance
stable
devices
voltage
deficit.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 15, 2025
Carbon-based
printable
mesoscopic
solar
cells
(p-MPSCs)
offer
significant
advantages
for
industrialization
due
to
their
simple
fabrication
process,
low
cost,
and
scalability.
Recently,
the
certified
power
conversion
efficiency
of
p-MPSCs
has
exceeded
22%,
drawing
considerable
attention
from
community.
However,
key
challenge
in
improving
device
performance
is
achieving
uniform
high-quality
perovskite
crystallization
within
mesoporous
structure.
This
review
highlights
recent
advancements
p-MPSCs,
with
an
emphasis
on
controlling
kinetics
regulating
morphology
confined
mesopores.
It
first
introduces
offering
a
solid
foundation
understanding
behavior.
Additionally,
summarizes
mechanisms
crystal
nucleation
growth,
explaining
how
these
processes
influence
quality
perovskites.
Furthermore,
commonly
applied
strategies
enhancing
quality,
such
as
additive
engineering,
solvent
evaporation
controlling,
post-treatment
techniques,
are
also
explored.
Finally,
proposes
several
potential
suggestions
aimed
at
further
refining
crystallization,
inspiring
continued
innovation
address
current
limitations
advance
development
p-MPSCs.
Science Advances,
Journal Year:
2025,
Volume and Issue:
11(5)
Published: Jan. 31, 2025
Flexible
perovskite
solar
cells
(f-PSCs)
are
considered
the
most
promising
candidates
in
portable
power
applications.
However,
high
sensitivity
of
crystallization
on
substrate
and
intrinsic
brittleness
usually
trade
off
performance
f-PSCs.
Herein,
we
introduced
an
initiator-free
cross-linkable
monomer
(2,5-dioxopyrrolidin-1-yl)
5-(dithiolan-3-yl)pentanoate
(FTA),
which
can
chemically
passivate
defects
enable
real-time
fine
regulation
crystallization.
The
resulting
film
exhibited
higher
crystallinity,
enlarged
grain
size,
reduced
dependence
substrate.
In
addition,
cross-linked
FTA
[CL(FTA)]
distributed
along
boundaries
effectively
released
residual
stress
securely
bound
grains
together.
Consequently,
CL(FTA)-modified
flexible
PSCs
achieved
a
record-breaking
efficiency
24.64%
(certified
24.08%).
Moreover,
scalable
potential
has
been
verified
by
corresponding
rigid
modules,
delivering
impressive
efficiencies
19.53
17.13%,
respectively.
Furthermore,
optimized
device
demonstrated
bending
durability
improved
operational
stability,
thereby
advancing
progress
f-PSCs
toward
industrialization.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(12)
Published: Jan. 26, 2024
Abstract
This
review
addresses
the
self‐healing
effects
in
perovskite
solar
cells
(PSCs),
emphasizing
significance
of
chemical
and
physical
bonding
as
core
mechanisms.
Polymeric
additives
play
a
vital
role
inducing
phenomena
along
with
intrinsic
properties
materials,
both
which
are
discussed
herein.
As
relatively
underexplored
area,
effect
induced
by
polymeric
PSCs
is
reviewed
from
perspective.
The
bonds
involved
include
isocyanate,
disulfide,
carboxylic
acid
groups.
related
to
primarily
hydrogen
chelation.
Self‐healing
flexible
devices
extends
their
lifespan
improves
mechanical
robustness
against
environmental
stressors.
discussion
delves
into
initiation
methods
for
self‐healing,
conditions
required,
recovery‐rate
profiles.
not
only
catalogs
various
approaches
but
also
considers
fundamental
limitations
potential
this
phenomenon
PSCs.
In
addition,
insights
an
outlook
on
perovskite‐based
optoelectronics
provided,
offering
guidance
future
research
applications.
ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 22, 2025
Flexible
perovskite
solar
cells
(FPSCs)
have
advanced
significantly
because
of
their
excellent
power-per-weight
performance
and
affordable
manufacturing
costs.
The
unsatisfactory
efficiency
mechanical
stability
FPSCs
are
bottleneck
challenges
that
limit
application.
Here,
we
explore
the
use
octylammonium
acetate
(OAAc)
with
a
long,
intrinsic,
flexible
molecular
chain
on
films
for
surface
adhesion
releasing.
results
showed
OAAc
high
structural
flexibility
strong
interactions
can
act
as
release
layer
in
releasing
residual
tensile
stress,
confirmed
by
film
device
characterizations
well
finite-element
simulation.
Moreover,
passivation
could
increase
formation
energy
defects
including
I
vacancy,
Pb
Pb-I
antisite.
experimental
trap
states
perovskites
were
suppressed
after
modification,
which
is
beneficial
to
construction
high-quality
films.
With
open-circuit
voltage
1.196
V,
OAAc-treated
devices
increased
from
23.14%
25.47%
rigid
substrate
(23.12%
substrate),
yielding
superior
long-term
durability.
corresponding
retains
74%
initial
value
even
8000
bending
cycles
at
radius
5
mm.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 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.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 13, 2025
Abstract
Perovskite
photodetectors
with
superior
optoelectronic
properties,
lightweight,
and
compatibility
flexible
substrates
have
attracted
much
attention
in
wearable
electronics.
However,
the
large
bandgap,
inherent
brittleness,
poor
environmental
stability,
weak
interfacial
adhesion
interaction
between
perovskites
hinder
application
of
near‐infrared
(NIR)
devices.
Herein,
a
universal
strategy
to
enhance
performance
mechanical
stability
perovskite
NIR
photodetector
arrays
is
demonstrated
through
combination
mussel‐inspired
self‐assembled
monolayer
(SAM)
bridging
interface
precise
modulation
nano‐array
size,
which
enables
significantly
increase
adhesion,
crystallinity,
crystallographic
orientation,
reduce
stresses
single‐crystal
arrays.
Moreover,
inserting
paddle‐wheel
metal–organic
cluster
ligands
lead
an
unprecedented
small
bandgap
1.04
eV,
enhanced
lattice
rigidity,
for
2D
perovskite.
The
robustness
record
are
revealed
maximum
response
wavelength
1050
nm,
responsivity
1.66
A
W
−1
,
detectivity
6.19
×
10
12
Jones,
high
fidelity
imaging,
extra‐long
stability.
This
work
pioneers
new
insight
into
integration
high‐performance
mechanically
durable
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(34)
Published: March 30, 2024
Abstract
The
mechanical
durability
and
efficiency
of
all‐inorganic
flexible
perovskite
solar
cells
(f‐PSCs)
still
require
enhancement
for
practical
applications.
In
this
study,
a
creative
debridement
strategy
to
improve
the
photovoltaic
performance
f‐PSCs
by
pre‐bending
film
then
depositing
passivation
agent
2‐mercaptopyridine
is
proposed.
process
induced
generation
microcracks
in
surface,
can
more
effectively
penetrate
interior
through
microcracks,
thereby
further
passivating
deep
surface
defects.
These
defects
be
perfectly
repaired
2‐mercaptopyridine.
Bidentate
coordination
sites
S
N
show
stronger
binding
energy
with
enhanced
crystallization
markedly
inhibited
crack
propagation
during
film's
bending
process.
optimized
device
achieves
champion
power
conversion
(PCE)
14.74%.
pre‐bent
passivated
f‐PSC
shows
104%
its
initial
PCE
after
15
000
cycles
at
curvature
radius
3
mm.
Remarkably,
even
undergoing
70
5
mm,
pre‐bent,
retain
over
93%
PCE,
exhibiting
excellent
durability.
