Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Янв. 17, 2025
Interfacial
trap-assisted
nonradiative
recombination
hampers
the
development
of
metal
halide
perovskite
solar
cells
(PSCs).
Herein,
we
report
a
rationally
designed
universal
passivator
to
realize
highly
efficient
and
stable
single
junction
tandem
PSCs.
Multiple
defects
are
simultaneously
passivated
by
synergistic
effect
anion
cation.
Moreover,
defect
healing
is
precisely
modulated
carefully
controlling
number
hydrogen
atoms
on
cations
steric
hindrance.
Due
minimized
interfacial
energy
loss,
L-valine
benzyl
ester
p-toluenesulfonate
(VBETS)
modified
inverted
PSCs
deliver
power
conversion
efficiency
(PCE)
26.28%
using
vacuum
flash
processing
technology.
suppressing
carrier
recombination,
large-area
modules
with
an
aperture
area
32.144
cm2
perovskite/Si
coupled
VBETS
passivation
PCE
21.00%
30.98%,
respectively.
This
work
highlights
critical
role
hindrance
in
designing
molecular
modulators
advance
stability
Advanced Energy Materials,
Год журнала:
2024,
Номер
14(35)
Опубликована: Июнь 27, 2024
Abstract
Inverted
perovskite
solar
cells
(PSCs)
have
attracted
considerable
attention
due
to
their
distinct
advantages,
including
minimal
hysteresis,
cost‐effectiveness,
and
suitability
for
tandem
applications.
Nevertheless,
the
solution
processing
low
formation
energy
of
perovskites
inevitably
lead
numerous
defects
formed
at
both
bulk
interfaces
layer.
These
can
act
as
non‐radiative
recombination
centers,
significantly
impeding
carrier
transport
posing
a
substantial
obstacle
stability
further
enhancing
power
conversion
efficiency
(PCE).
This
review
delves
into
detailed
discussion
nature
origin
characterization
techniques
employed
defect
identification.
Furthermore,
it
systematically
summarizes
methods
detection
approaches
passivating
interface
within
film
in
inverted
PSCs.
Finally,
this
offers
perspective
on
employing
upscaling
passivation
engineering
modules.
It
is
hoped
provides
insights
PSCs
Science,
Год журнала:
2024,
Номер
386(6724), С. 898 - 902
Опубликована: Ноя. 21, 2024
Surface
passivation
has
driven
the
rapid
increase
in
power
conversion
efficiency
(PCE)
of
perovskite
solar
cells
(PSCs).
However,
state-of-the-art
surface
techniques
rely
on
ammonium
ligands
that
suffer
deprotonation
under
light
and
thermal
stress.
We
developed
a
library
amidinium
ligands,
interest
for
their
resonance
effect–enhanced
N–H
bonds
may
resist
deprotonation,
to
stability
layers
surfaces.
This
strategy
resulted
>10-fold
reduction
ligand
equilibrium
constant
twofold
maintenance
photoluminescence
quantum
yield
after
aging
at
85°C
illumination
air.
Implementing
this
approach,
we
achieved
certified
quasi–steady-state
PCE
26.3%
inverted
PSCs;
report
retention
≥90%
1100
hours
continuous
1-sun
maximum
point
operation
85°C.
Chemical Reviews,
Год журнала:
2024,
Номер
124(19), С. 10623 - 10700
Опубликована: Авг. 29, 2024
Recently,
there
has
been
an
extensive
focus
on
inverted
perovskite
solar
cells
(PSCs)
with
a
p-i-n
architecture
due
to
their
attractive
advantages,
such
as
exceptional
stability,
high
efficiency,
low
cost,
low-temperature
processing,
and
compatibility
tandem
architectures,
leading
surge
in
development.
Single-junction
perovskite-silicon
(TSCs)
have
achieved
certified
PCEs
of
26.15%
33.9%
respectively,
showing
great
promise
for
commercial
applications.
To
expedite
real-world
applications,
it
is
crucial
investigate
the
key
challenges
further
performance
enhancement.
We
first
introduce
representative
methods,
composition
engineering,
additive
solvent
processing
innovation
charge
transporting
layers,
interface
fabricating
high-efficiency
stable
PSCs.
then
delve
into
reasons
behind
excellent
stability
Subsequently,
we
review
recent
advances
TSCs
PSCs,
including
perovskite-Si
TSCs,
all-perovskite
perovskite-organic
TSCs.
achieve
final
deployment,
present
efforts
related
scaling
up,
harvesting
indoor
light,
economic
assessment,
reducing
environmental
impacts.
Lastly,
discuss
potential
PSCs
future.
Advanced Materials,
Год журнала:
2024,
Номер
36(38)
Опубликована: Июль 26, 2024
The
interface
between
the
perovskite
layer
and
electron
transporting
is
a
critical
determinate
for
performance
stability
of
solar
cells
(PSCs).
heterogeneity
critically
affects
carrier
dynamics
at
buried
interface.
To
address
this,
bridging
molecule,
(2-aminoethyl)phosphonic
acid
(AEP),
introduced
modification
SnO
Science,
Год журнала:
2024,
Номер
386(6718), С. 187 - 192
Опубликована: Окт. 10, 2024
Robust
contact
schemes
that
boost
stability
and
simplify
the
production
process
are
needed
for
perovskite
solar
cells
(PSCs).
We
codeposited
hole-selective
while
protecting
to
enable
deposition
of
SnO
x
/Ag
without
use
a
fullerene.
The
,
prepared
through
atomic
layer
deposition,
serves
as
durable
inorganic
electron
transport
layer.
Tailoring
oxygen
vacancy
defects
in
led
power
conversion
efficiencies
(PCEs)
>25%.
Our
devices
exhibit
superior
over
conventional
p-i-n
PSCs,
successfully
meeting
several
benchmark
tests.
They
retained
>95%
PCE
after
2000
hours
continuous
operation
at
their
maximum
point
under
simulated
AM1.5
illumination
65°C.
Additionally,
they
boast
certified
T
97
lifetime
exceeding
1000
hours.
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 31, 2024
Abstract
The
uncontrolled
crystallization
of
perovskite
generates
a
significant
number
internal
and
interfacial
defects,
posing
major
challenge
to
the
performance
solar
cells
(PSCs).
In
this
paper,
novel
bi‐interfacial
modification
strategy
utilizing
5‐fluoropyridinic
acid
(FPA)
is
proposed
modulate
crystal
growth
provide
defect
passivation.
It
demonstrated
that
FPA
self‐deposited
at
both
top
bottom
interfaces
films
during
thermal
annealing.
CO
N
functional
groups
in
serve
as
chelating
agents,
binding
closely
uncoordinated
Pb
2+
/Pb
clusters,
thereby
passivating
defects
reducing
charge
recombination
interfaces.
strong
chemical
interactions
between
further
stabilize
Pb‐I
framework,
promoting
formation
high‐quality
films,
confirmed
by
situ
photoluminescence
measurements.
Consequently,
modified
inverted
PSCs
achieved
an
exceptional
power
conversion
efficiency
(PCE)
25.37%.
Moreover,
devices
retained
over
93.17%
initial
after
3000
h
continuous
illumination
under
one‐sun
equivalent
conditions
nitrogen
atmosphere.
This
paper
presents
promising
pathway
for
enhancing
stability
through
self‐induced
approach.
