Coatings,
Год журнала:
2024,
Номер
15(1), С. 15 - 15
Опубликована: Дек. 27, 2024
Flexible
perovskite
solar
cells
(F-PSCs)
hold
great
potential
for
lightweight
photovoltaic
applications
due
to
their
flexibility,
bending
compatibility,
and
low
manufacturing
cost.
However,
tin
oxide
(SnO2),
as
a
common
electron
transport
layer
(ETL)
used
in
F-PSCs,
typically
suffers
from
high-density
surface
defects
that
hinder
the
charge
extraction
efficiency
deteriorate
crystallization
quality
of
upper
film.
Additionally,
poor
buried
interface
intensifies
lattice
extrusion
strain
residue
across
films,
further
aggravating
mechanical
brittleness
devices.
To
address
issues,
we
developed
molecular
bridging
strategy
by
introducing
2,2′-oxybis(ethylenediamine)
dihydrochloride
(DO)
at
perovskite/SnO2
interface.
The
diammonium
groups
spacer
ligands
can
achieve
bidentate
anchoring
on
SnO2
cooperating
with
oxygen
atom
alkyl
chain
passivate
charged
tailored
properties
also
endow
optimized
films
significantly
alleviate
tensile
strengthen
perovskite’s
pliability.
As
result,
F-PSCs
achieved
champion
23.50%,
outperforming
value
21.87%
control
device.
Furthermore,
devices
exhibited
excellent
robustness,
maintaining
90%
initial
PCE
after
6000
cycles
radius
4
mm.
This
work
presents
reliable
synergistic
optimization
contact
interface,
contributing
development
efficient
stable
F-PSCs.
Flexible
perovskite
solar
cells
(FPSCs),
featured
with
lightweight,
high
efficiency,
and
low
cost,
have
attracted
much
attention
anticipating
in
applications
on
wearable
electronics,
near‐space
vehicles,
internet
of
things.
High
efficiency
mechanical
stability
are
two
main
factors
the
study
FPSCs
toward
practical
applications.
In
recent
few
years,
many
breakthroughs
materials
modification
device
innovation
make
power
conversion
reach
over
25%.
A
comprehensive
review
thus
is
conducted
to
elucidate
critical
issues
including
flexible
substrates,
transparent
electrodes,
charge
transport
layers,
films,
modifications
for
enhancement
FPSCs,
which
expected
promote
future
development
FPSCs.
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.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 7, 2025
Abstract
The
performance
of
flexible
perovskite
solar
modules
(FPSMs)
remains
inferior
to
their
rigid
counterparts,
primarily
due
poor
crystallinity
and
homogeneity
resulting
from
disordered
colloid
transfer
during
the
printing
process.
Here,
study
introduces
an
Elastic
Porous
Meniscus
(EPM)
strategy
mitigate
island
effect
coffee‐ring
effect.
By
increasing
peak
shear
rate,
effectively
disperses
islands.
issue
heterogeneous
deposition
is
addressed
by
controlling
force
surface
tension.
Additionally,
Laplace
regulated
weaken
Marangoni
flow,
enabling
large‐area,
high‐quality
films.
results
show
that
time
window
for
initialized
crystallization
greatly
extended
a
factor
four
(from
2.5
11
s),
formation
uniform
films
with
high
crystal
uniformity.
Consequently,
cells
(FPSCs)
achieve
record‐breaking
power
conversion
efficiency
(PCE)
25.54%
(certified
25.44%)
based
on
1.01
cm
2
,
exceptional
repeatability.
EPM‐printed
FPSMs
active
area
100
demonstrate
PCE
16.39%
15.65%),
comparable
modules.
This
advancement
significantly
enhances
market
potential
commercial
value
photovoltaics
across
diverse
applications.
Journal of Semiconductors,
Год журнала:
2025,
Номер
46(5), С. 051801 - 051801
Опубликована: Май 1, 2025
Abstract
Due
to
advantages
of
high
power-conversion
efficiency
(PCE),
large
power-to-weight
ratio
(PWR),
low
cost
and
solution
processibility,
flexible
perovskite
solar
cells
(f-PSCs)
have
attracted
extensive
attention
in
recent
years.
The
PCE
f-PSCs
has
developed
rapidly
over
25%,
showing
great
application
prospects
aerospace
wearable
electronic
devices.
This
review
systematically
sorts
device
structures
compositions
f-PSCs,
summarizes
various
methods
improve
its
stability
In
addition,
the
applications
potentials
space
vehicle
aircraft
was
discussed.
At
last,
we
prospect
key
scientific
technological
issues
that
need
be
addressed
for
at
current
stage.
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
ACS Nano,
Год журнала:
2024,
Номер
18(35), С. 24495 - 24504
Опубликована: Авг. 22, 2024
The
short
longevity
of
perovskite
solar
cells
(PSCs)
is
the
major
hurdle
toward
their
commercialization.
In
recent
years,
mechanical
stability
has
emerged
as
a
pivotal
aspect
in
enhancing
overall
durability
PSCs,
prompting
myriad
strategies
devoted
to
this
issue.
However,
degradation
mechanisms
PSCs
remain
largely
unexplored,
with
corresponding
studies
mainly
limited
single
crystals,
neglecting
complexity
and
nuances
present
PSC
devices
based
on
polycrystalline
thin
films.
Herein,
we
reveal
underlying
formamidinium-based
which
are
most
prevalent
high-performance
candidates.
Under
uniaxial
tensile
loads,
found
that
attributed
sequential
increase
density
micropores
halide
defects
within
This
phenomenon
consistent
across
various
compositions
environmental
conditions.
Our
findings
elucidate
mechanistic
insights
for
more
targeted
mitigation
aimed
at
addressing
devices.
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 26, 2024
Abstract
This
5th
annual
“
Emerging
PV
Report”
highlights
the
latest
advancements
in
performance
of
emerging
photovoltaic
(e‐PV)
devices
across
various
e‐PV
research
areas,
as
documented
peer‐reviewed
articles
published
since
August
2023.
Updated
graphs,
tables,
and
analyses
are
provided,
showcasing
several
key
parameters,
including
power
conversion
efficiency,
open‐circuit
voltage,
short‐circuit
current,
fill
factor,
light
utilization
stability
test
energy
yield.
These
parameters
presented
functions
bandgap
average
visible
transmittance
for
each
technology
application
contextualized
using
benchmarks
such
detailed
balance
efficiency
limit.
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 20, 2024
Abstract
While
the
efficiencies
of
lab‐sized
perovskite
solar
cells
are
continuously
rising,
a
variety
challenges
have
to
be
overcome
realize
remotely
similar
in
an
industrial
context.
Any
changes
preparation
process,
device
size,
architecture,
and
material
type
likely
result
efficiency
loss.
To
date,
there
been
no
solutions
that
can
produce
large‐area
modules
with
performance
comparable
laboratory
devices.
However,
depending
on
deposition
dominant
loss
mechanisms
differ
significantly,
which
guide
further
optimization
processes
In
this
study,
meta‐analysis
state‐of‐the‐art
different
methods,
area
sizes,
compositions,
is
presented.
Moreover,
losses
divided
into
five
figures
merit
they
visualized
discuss
efficiency‐limiting
must
for
commercialization.
