Abstract
Flexible
perovskite
solar
cells
(f‐PSCs)
as
a
promising
power
source
have
grabbed
surging
attention
from
academia
and
industry
specialists
by
integrating
with
different
wearable
portable
electronics.
With
the
development
of
low‐temperature
solution
preparation
technology
application
engineering
strategies,
conversion
efficiency
f‐PSCs
has
approached
24%.
Due
to
inherent
properties
scenarios
f‐PSCs,
study
strain
in
these
devices
is
recognized
one
key
factors
obtaining
ideal
promoting
commercialization.
The
strains
mainly
change
bond
lattice
volume
can
promote
phase
transformation,
induce
decomposition
film,
decrease
mechanical
stability,
etc.
However,
effect
on
performance
not
been
systematically
summarized
yet.
Herein,
sources
strain,
evaluation
methods,
impacts
strategies
modulate
are
summarized.
Furthermore,
problems
future
challenges
this
regard
raised,
solutions
outlooks
offered.
This
review
dedicated
summarizing
enhancing
research
into
provide
some
new
insights
that
further
improve
optoelectronic
stability
flexible
devices.
Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
62(40)
Опубликована: Июнь 24, 2023
Abstract
Flexible
perovskite
solar
cells
(FPSCs)
with
excellent
recoverability
show
a
wide
range
of
potential
applications
in
portable
power
sources.
The
FPSCs
requires
outstanding
bendability
each
functional
layer,
including
the
flexible
substrates,
electrodes,
light
absorbers,
and
charge
transport
materials.
This
review
highlights
recent
progress
practical
high‐recoverability
FPSCs,
illustrates
routes
toward
improvement
environmental
stability
through
choice
substrates
preparation
high‐quality
films,
as
well
optimization
charge‐selective
contacts.
In
addition,
we
explore
intrinsic
properties
layer
from
physical
perspective
analyze
how
to
select
suitable
layers.
Additionally,
some
effective
strategies
are
summarized,
material
modification
engineering
selective
contacts,
additives
interface
interlayers,
which
can
release
mechanical
stress
increase
power‐conversion
efficiency
(PCE)
FPSCs.
challenges
making
high‐performance
long‐term
high
discussed.
Finally,
future
perspectives
for
discussed,
aiming
promote
more
extensive
commercialization
processes
lightweight
durable
Advanced Energy Materials,
Год журнала:
2023,
Номер
13(36)
Опубликована: Авг. 8, 2023
Abstract
Flexible
perovskite
solar
cells
(FPSCs)
are
attracting
widespread
research
and
attention
for
their
benefits
as
the
next‐generation
wearable
electronic
products.
However,
there
still
many
challenges
in
quest
to
achieve
dense,
pinhole‐free,
high
crystal
quality,
low
defect,
stable
films,
which
limit
further
improvement
efficiency
stability
of
FPSCs.
Herein,
a
novel
technique
incorporation
quaternary
ammonium
halide
(QAH)
additives
prepare
fluffy
porous
lead
iodide
layers
by
using
two‐step
sequential
deposition
method,
is
reported.
Benefiting
from
good
diffusion
organic
amine
salts
on
PbI
2
layers,
flat
dense
films
produced
with
large
particle
sizes,
few
defects,
quality.
Finally,
champion
rigid
flexible
p‐i‐n
PSCs
2‐(acetyloxy)‐N,N,N‐trimethylethanium
chloride
(AtaCl)
additive
achieves
exciting
power
conversion
efficiencies
(PCE)
23.40%
21.10%,
respectively.
The
device
AtaCl
retains
over
90%
its
original
PCE
under
ambient
conditions
(40
±
5%
relative
humidity
(RH))
1000
h
aging
without
encapsulation.
In
addition,
shows
excellent
mechanical
bending
conditions,
retaining
≈85%
after
10
000
cycles
(bending
radius
=
5
mm).
Advanced Energy Materials,
Год журнала:
2023,
Номер
14(4)
Опубликована: Дек. 15, 2023
Abstract
Following
the
3rd
release
of
“Emerging
PV
reports”
,
best
achievements
in
performance
emerging
photovoltaic
(e‐PV)
devices
diverse
e‐PV
research
subjects
are
summarized,
as
reported
peer‐reviewed
articles
academic
journals
since
August
2022.
Updated
graphs,
tables,
and
analyses
provided
with
several
parameters,
such
power
conversion
efficiency,
open‐circuit
voltage,
short‐circuit
current
density,
fill
factor,
light
utilization
stability
test
energy
yield.
These
parameters
presented
a
function
bandgap
average
visible
transmittance
for
each
technology
application,
put
into
perspective
using,
example,
detailed
balance
efficiency
limit.
The
4th
installment
discusses
“PV
emergence”
classification
respect
to
generations”
waves”
highlights
latest
device
progress
multijunction
flexible
photovoltaics.
Additionally,
Dale‐Scarpulla's
plots
efficiency‐effort
terms
cumulative
publication
count
also
introduced.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(25)
Опубликована: Фев. 7, 2024
Abstract
Inverted
perovskite
solar
cells
(IPSCs)
have
attracted
unprecedented
attention
due
to
their
negligible
hysteresis,
long‐term
operational
stability,
low
temperature,
and
cost‐effective
fabrication
process,
as
well
wide
applications.
The
power
conversion
efficiency
(PCE)
of
IPSCs
has
skyrocketed
from
3.9%
in
2013
certified
26.1%
2023,
which
is
over
the
25.8%
regular
counterpart,
benefiting
emergence
a
great
number
organic
hole‐transporting
materials
(HTM).
This
review
provides
an
overview
recent
development
stability
IPSCs,
including
small
molecules
conjugated
conductive
polymers.
effective
strategies
for
charge‐transport
layer
films
are
also
discussed.
Finally,
prospective
further
outlined,
developing
novel
fabricating
techniques
meet
requirements
commercial
application.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(14)
Опубликована: Фев. 10, 2024
Abstract
The
main
obstacles
to
promoting
the
commercialization
of
perovskite
solar
cells
(PSCs)
include
their
record
power
conversion
efficiency
(PCE),
which
still
remains
below
Shockley–Queisser
limit,
and
poor
long‐term
stability,
attributable
crystallographic
defects
in
films
open‐circuit
voltage
(
V
oc
)
loss
devices.
In
this
study,
potassium
(4‐tert‐butoxycarbonylpiperazin‐1‐yl)
methyl
trifluoroborate
(PTFBK)
was
employed
as
a
multifunctional
additive
target
modulate
bulk
carrier
dynamics
PSCs.
Apart
from
simultaneously
passivating
anionic
cationic
defects,
PTFBK
could
also
optimize
energy‐level
alignment
devices
weaken
interaction
between
carriers
longitudinal
optical
phonons,
resulting
lifetime
greater
than
3
μs.
Furthermore,
it
inhibited
non‐radiative
recombination
improved
crystallization
capacity
film.
Hence,
rigid
flexible
p‐i‐n
PSCs
yielded
champion
PCEs
24.99
%
23.48
%,
respectively.
More
importantly,
due
hydrogen
bonding
formamidinium
fluorine,
exhibited
remarkable
thermal,
humidity,
operational
tracking
at
maximum
point
stabilities.
reduced
Young's
modulus
residual
stress
layer
provided
excellent
bending
stability
for
Advanced Materials,
Год журнала:
2024,
Номер
36(24)
Опубликована: Март 8, 2024
Crystallization
orientation
plays
a
crucial
role
in
determining
the
performance
and
stability
of
perovskite
solar
cells
(PVSCs),
whereas
effective
strategies
for
realizing
oriented
crystallization
is
still
lacking.
Herein,
facile
efficient
top-down
strategy
reported
to
manipulate
via
treating
wet
film
with
propylamine
chloride
(PACl)
before
annealing.
The
PA
Advanced Materials,
Год журнала:
2024,
Номер
36(18)
Опубликована: Янв. 14, 2024
Abstract
The
remarkable
progress
in
perovskite
solar
cell
(PSC)
technology
has
witnessed
a
leap
efficiency
within
the
past
decade.
As
this
continues
to
mature,
flexible
PSCs
(F‐PSCs)
are
emerging
as
pivotal
components
for
wide
array
of
applications,
spanning
from
powering
portable
electronics
and
wearable
devices
integrating
seamlessly
into
electronic
textiles
large‐scale
industrial
roofing.
F‐PSCs
characterized
by
their
lightweight,
mechanical
flexibility,
adaptability
cost‐effective
roll‐to‐roll
manufacturing,
hold
immense
commercial
potential.
However,
persistent
concerns
regarding
overall
stability
robustness
these
loom
large.
This
comprehensive
review
delves
recent
strides
made
enhancing
F‐PSCs.
It
covers
spectrum
crucial
aspects,
encompassing
material
optimization,
precise
crystal
grain
regulation,
film
quality
enhancement,
strategic
interface
engineering,
innovational
developed
transparent
electrodes,
judicious
substrate
selection,
integration
various
functional
layers.
By
collating
analyzing
dedicated
research
endeavors,
illuminates
current
landscape
addressing
challenges
surrounding
stability.
Furthermore,
it
provides
valuable
insights
obstacles
bottlenecks
that
demand
attention
innovative
solutions
field
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Март 12, 2024
Abstract
Bifacial
perovskite
solar
cells
have
shown
great
promise
for
increasing
power
output
by
capturing
light
from
both
sides.
However,
the
suboptimal
optical
transmittance
of
back
metal
electrodes
together
with
complex
fabrication
process
associated
front
transparent
conducting
oxides
hindered
development
efficient
bifacial
PSCs.
Here,
we
present
a
novel
approach
devices
using
single-walled
carbon
nanotubes
as
and
electrodes.
offer
high
transparency,
conductivity,
stability,
enabling
PSCs
bifaciality
factor
over
98%
generation
density
36%.
We
also
fabricate
flexible,
all-carbon-electrode-based
power-per-weight
value
73.75
W
g
−1
excellent
mechanical
durability.
Furthermore,
show
that
our
much
lower
material
cost
than
conventional
monofacial
Our
work
demonstrates
potential
SWCNT
efficient,
stable,
low-cost
photovoltaics.
Energy & Environmental Science,
Год журнала:
2024,
Номер
17(17), С. 6256 - 6267
Опубликована: Янв. 1, 2024
Crystallization
kinetics
modulation
of
high-performance
flexible
perovskite
photovoltaics
achieving
autonomous
energy
generation
under
outdoor
settings.