Stability
and
scalability
are
essential
urgent
requirements
for
the
commercialization
of
perovskite
solar
cells
(PSCs),
which
retarded
by
non-ideal
interface
leading
to
non-radiative
recombination
degradation.
Extensive
efforts
devoted
reducing
defects
at
surface.
However,
effects
buried
on
degradation
need
be
further
investigated.
Herein,
an
omnibearing
strategy
modify
top
surfaces
film
reduce
interfacial
defects,
incorporating
aluminum
oxide
(Al2
O3
)
as
a
dielectric
layer
growth
scaffolds
(buried
surface)
phenethylammonium
bromide
passivation
surfaces),
is
demonstrated.
Consequently,
open-circuit
voltage
extensively
boosted
from
1.02
1.14
V
with
incorporation
Al2
filling
voids
between
grains,
resulting
in
dense
morphology
reduced
centers.
Finally,
impressive
efficiencies
23.1%
(0.1
cm2
22.4%
(1
achieved
superior
stability,
remain
96%
89%
its
initial
performance
after
1200
2500
h
illumination,
respectively.
The
dual
modification
provides
universal
method
revealing
promising
prospect
developing
high-performance
PSCs
modules.
Science,
Год журнала:
2024,
Номер
384(6692), С. 189 - 193
Опубликована: Апрель 11, 2024
Inverted
(pin)
perovskite
solar
cells
(PSCs)
afford
improved
operating
stability
in
comparison
to
their
nip
counterparts
but
have
lagged
power
conversion
efficiency
(PCE).
The
energetic
losses
responsible
for
this
PCE
deficit
pin
PSCs
occur
primarily
at
the
interfaces
between
and
charge-transport
layers.
Additive
surface
treatments
that
use
passivating
ligands
usually
bind
a
single
active
binding
site:
This
dense
packing
of
electrically
resistive
passivants
perpendicular
may
limit
fill
factor
PSCs.
We
identified
two
neighboring
lead(II)
ion
(Pb
Progress in Photovoltaics Research and Applications,
Год журнала:
2023,
Номер
32(1), С. 3 - 13
Опубликована: Ноя. 29, 2023
Abstract
Consolidated
tables
showing
an
extensive
listing
of
the
highest
independently
confirmed
efficiencies
for
solar
cells
and
modules
are
presented.
Guidelines
inclusion
results
into
these
outlined
new
entries
since
July
2023
reviewed.
Science,
Год журнала:
2023,
Номер
382(6668), С. 284 - 289
Опубликована: Окт. 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,
Год журнала:
2023,
Номер
382(6672), С. 810 - 815
Опубликована: Ноя. 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,
Год журнала:
2023,
Номер
380(6647), С. 823 - 829
Опубликована: Май 25, 2023
The
defective
bottom
interfaces
of
perovskites
and
hole-transport
layers
(HTLs)
limit
the
performance
p-i-n
structure
perovskite
solar
cells.
We
report
that
addition
lead
chelation
molecules
into
HTLs
can
strongly
interact
with
lead(II)
ion
(Pb
2+
),
resulting
in
a
reduced
amorphous
region
near
passivated
surface.
minimodule
an
aperture
area
26.9
square
centimeters
has
power
conversion
efficiency
(PCE)
21.8%
(stabilized
at
21.1%)
is
certified
by
National
Renewable
Energy
Laboratory
(NREL),
which
corresponds
to
minimal
small-cell
24.6%
24.1%)
throughout
module
area.
Small-area
cells
large-area
minimodules
had
light
soaking
stability
3010
2130
hours,
respectively,
loss
10%
from
initial
value
under
1-sun
illumination
open-circuit
voltage
conditions.
Science,
Год журнала:
2024,
Номер
383(6688), С. 1236 - 1240
Опубликована: Март 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,
Science,
Год журнала:
2024,
Номер
383(6682), С. 524 - 531
Опубликована: Фев. 1, 2024
High-purity
precursor
materials
are
vital
for
high-efficiency
perovskite
solar
cells
(PSCs)
to
reduce
defect
density
caused
by
impurities
in
perovskite.
In
this
study,
we
present
aqueous
synthesized
microcrystals
as
PSCs.
Our
approach
enables
kilogram-scale
mass
production
and
synthesizes
formamidinium
lead
iodide
(FAPbI
