Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(14)
Published: Feb. 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
Science,
Journal Year:
2023,
Volume and Issue:
382(6668), P. 284 - 289
Published: Oct. 19, 2023
P-i-n
geometry
perovskite
solar
cells
(PSCs)
offer
simplified
fabrication,
greater
amenability
to
charge
extraction
layers,
and
low-temperature
processing
over
n-i-p
counterparts.
Self-assembled
monolayers
(SAMs)
can
enhance
the
performance
of
p-i-n
PSCs
but
ultrathin
SAMs
be
thermally
unstable.
We
report
a
robust
hole-selective
layer
comprised
nickel
oxide
(NiOx)
nanoparticle
film
with
surface-anchored
(4-(3,11-dimethoxy-7H-dibenzo[c,g]carbazol-7-yl)butyl)phosphonic
acid
(MeO-4PADBC)
SAM
that
improve
stabilize
NiOx/perovskite
interface.
The
energetic
alignment
favorable
contact
binding
between
NiOx/MeO-4PADBC
reduced
voltage
deficit
various
compositions
led
strong
interface
toughening
effects
under
thermal
stress.
resulting
1.53-electron-volt
devices
achieved
25.6%
certified
power
conversion
efficiency
maintained
>90%
their
initial
after
continuously
operating
at
65
degrees
Celsius
for
1200
hours
1-sun
illumination.
Science,
Journal Year:
2023,
Volume and Issue:
382(6672), P. 810 - 815
Published: Nov. 16, 2023
Compared
with
the
n-i-p
structure,
inverted
(p-i-n)
perovskite
solar
cells
(PSCs)
promise
increased
operating
stability,
but
these
photovoltaic
often
exhibit
lower
power
conversion
efficiencies
(PCEs)
because
of
nonradiative
recombination
losses,
particularly
at
perovskite/C60
interface.
We
passivated
surface
defects
and
enabled
reflection
minority
carriers
from
interface
into
bulk
using
two
types
functional
molecules.
used
sulfur-modified
methylthio
molecules
to
passivate
suppress
through
strong
coordination
hydrogen
bonding,
along
diammonium
repel
reduce
contact-induced
achieved
field-effect
passivation.
This
approach
led
a
fivefold
longer
carrier
lifetime
one-third
photoluminescence
quantum
yield
loss
certified
quasi-steady-state
PCE
25.1%
for
PSCs
stable
operation
65°C
>2000
hours
in
ambient
air.
also
fabricated
monolithic
all-perovskite
tandem
28.1%
PCE.
Science,
Journal Year:
2023,
Volume and Issue:
382(6677), P. 1399 - 1404
Published: Nov. 23, 2023
The
power
conversion
efficiency
(PCE)
of
inverted
perovskite
solar
cells
(PSCs)
is
still
lagging
behind
that
conventional
PSCs,
in
part
because
inefficient
carrier
transport
and
poor
morphology
hole
layers
(HTLs).
We
optimized
self-assembly
[4-(3,6-dimethyl-9H-carbazol-9-yl)butyl]phosphonic
acid
(Me-4PACz)
onto
nickel
oxide
(NiOx)
nanoparticles
as
an
HTL
through
treatment
with
hydrogen
peroxide,
which
created
a
more
uniform
dispersion
high
conductivity
attributed
to
the
formation
Ni3+
well
surface
hydroxyl
groups
for
bonding.
A
25.2%
certified
PCE
mask
size
0.074
square
centimeters
was
obtained.
This
device
maintained
85.4%
initial
after
1000
hours
stabilized
output
operation
under
1
sun
light
irradiation
at
about
50°C
85.1%
500
accelerated
aging
85°C.
obtained
21.0%
minimodule
aperture
area
14.65
centimeters.
Science,
Journal Year:
2024,
Volume and Issue:
383(6688), P. 1236 - 1240
Published: March 14, 2024
Power
conversion
efficiencies
(PCEs)
of
inverted
perovskite
solar
cells
(PSCs)
have
been
improved
by
the
use
a
self-assembled
monolayer
(SAM)
hole
transport
layer.
Long-term
stability
PSCs
requires
keeping
SAM
compact
under
layer
during
operation.
We
found
that
strong
polar
solvents
in
precursor
desorb
if
it
is
anchored
on
substrates
hydrogen-bonded,
rather
than
covalently
bonded,
hydroxyl
groups.
used
atomic-layer
deposition
to
create
an
indium
tin
oxide
substrate
with
fully
covalent
hydroxyl-covered
surface
for
anchoring,
as
well
trimethoxysilane
group
exhibited
tridentate
anchoring
substrate.
The
resulting
achieved
PCEs
24.8
(certified
24.6)
and
23.2%
aperture
areas
0.08
1.01
square
centimeters,
respectively.
devices
retained
98.9
98.2%
initial
PCE
after
1000
hours
damp-heat
test
operation
maximum
power
point
tracking
at
85°C
1200
standard
illumination,
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(15)
Published: Jan. 12, 2024
Perovskite
(PVSK)
photovoltaic
(PV)
devices
are
undergoing
rapid
development
and
have
reached
a
certified
power
conversion
efficiency
(PCE)
of
26.1%
at
the
cell
level.
Tremendous
efforts
in
material
device
engineering
also
increased
moisture,
heat,
light-related
stability.
Moreover,
solution-process
nature
makes
fabrication
process
perovskite
feasible
compatible
with
some
mature
high-volume
manufacturing
techniques.
All
these
features
render
solar
modules
(PSMs)
suitable
for
terawatt-scale
energy
production
low
levelized
cost
electricity
(LCOE).
In
this
review,
current
status
cells
(PSCs)
their
potential
applications
first
introduced.
Then
critical
challenges
identified
commercialization
propose
corresponding
solutions,
including
developing
strategies
to
realize
high-quality
films
over
large
area
further
improve
stability
meet
commercial
demands.
Finally,
directions
issues
requiring
attention
future,
mainly
focusing
on
dealing
toxicity
recycling
whole
device,
attainment
highly
efficient
perovskite-based
tandem
modules,
which
can
reduce
environmental
impact
accelerate
LCOE
reduction
put
forwarded.
Science,
Journal Year:
2024,
Volume and Issue:
384(6700), P. 1126 - 1134
Published: June 6, 2024
The
light-emitting
diodes
(LEDs)
used
in
indoor
testing
of
perovskite
solar
cells
do
not
expose
them
to
the
levels
ultraviolet
(UV)
radiation
that
they
would
receive
actual
outdoor
use.
We
report
degradation
mechanisms
p-i-n-structured
under
unfiltered
sunlight
and
with
LEDs.
Weak
chemical
bonding
between
perovskites
polymer
hole-transporting
materials
(HTMs)
transparent
conducting
oxides
(TCOs)
dominate
accelerated
A-site
cation
migration,
rather
than
direct
HTMs.
An
aromatic
phosphonic
acid,
[2-(9-ethyl-9H-carbazol-3-yl)ethyl]phosphonic
acid
(EtCz3EPA),
enhanced
at
perovskite/HTM/TCO
region
a
group
bonded
TCOs
nitrogen
interacting
lead
perovskites.
A
hybrid
HTM
EtCz3EPA
strong
hole-extraction
polymers
retained
high
efficiency
improved
UV
stability
devices,
champion
minimodule-independently
measured
by
Perovskite
PV
Accelerator
for
Commercializing
Technologies
(PACT)
center-retained
operational
>16%
after
29
weeks
testing.