Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 29, 2024
Abstract
The
quality
of
the
buried
interface
plays
a
key
role
in
achieving
high‐performance
perovskite
solar
cells
(PSCs).
However,
it
is
challenging
to
guarantee
its
on
larger
area,
which
pivotal
for
commercialization
PSCs.
Here,
facile
strategy
developed
modify
SnO
2
/perovskite
by
incorporating
L‐Aspartic
acid
monosodium
salt
(ASP‐Na)
into
colloidal
dispersion.
ASP‐Na
with
multidentate
ligands
can
coordinate
Sn
form
stable
dispersion,
inhibiting
agglomeration
nanoparticles
at
interface.
In
addition,
coordination
between
and
turn
promotes
uniform
distribution
ASP‐Na,
facilitates
effective
passivation
defects.
Consequently,
treatment
improves
device
efficiency
from
23.44%
25.47%
(certified
25.02%)
an
aperture
area
0.0797
cm
without
hysteresis
enhances
operation
stability.
mini‐module
achieves
20.11%
18.30
,
demonstrating
potential
scalability.
Carbon Energy,
Journal Year:
2024,
Volume and Issue:
6(9)
Published: April 12, 2024
Abstract
The
buried
interface
in
the
perovskite
solar
cell
(PSC)
has
been
regarded
as
a
breakthrough
to
boost
power
conversion
efficiency
and
stability.
However,
comprehensive
manipulation
of
terms
transport
layer,
interlayer,
layer
largely
overlooked.
Herein,
we
propose
use
volatile
heterocyclic
compound
called
2‐thiopheneacetic
acid
(TPA)
pre‐buried
additive
achieve
cross‐layer
all‐interface
defect
passivation
through
an
situ
bottom‐up
infiltration
diffusion
strategy.
TPA
not
only
suppresses
serious
interfacial
nonradiative
recombination
losses
by
precisely
healing
underlying
defects
but
also
effectively
enhances
quality
film
releases
residual
strain
film.
Owing
this
versatility,
TPA‐tailored
CsPbBr
3
PSCs
deliver
record
11.23%
with
enhanced
long‐term
This
manipulating
using
opens
new
avenues
for
further
improving
performance
reliability
PSC.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(19)
Published: March 13, 2024
Abstract
Ionic
liquid
salts
(ILs)
are
generally
recognized
as
additives
in
perovskite
precursor
solutions
to
enhance
the
efficiency
and
stability
of
solar
cells.
However,
success
ILs
incorporation
is
highly
dependent
on
formulation
crystallization
process,
posing
challenges
for
industrial‐scale
implementation.
In
this
study,
a
room‐temperature
spin‐coated
IL,
n‐butylamine
acetate
(BAAc),
identified
an
ideal
passivation
agent
formamidinium
lead
iodide
(FAPbI
3
)
films.
Compared
with
other
methods,
BAAc
capping
layer
(BAAc
RT)
demonstrates
more
uniform
thorough
surface
defects
FAPbI
perovskite.
Additionally,
it
provides
better
energy
level
alignment
hole
extraction.
As
result,
champion
n–i–p
cell
exhibits
power
conversion
(PCE)
24.76%,
open‐circuit
voltage
(Voc)
1.19
V,
Voc
loss
≈330
mV.
The
PCE
mini‐module
RT
reaches
20.47%,
showcasing
effectiveness
viability
method
manufacturing
large‐area
Moreover,
also
improves
long‐term
unencapsulated
cells,
enabling
T80
lifetime
3500
h
when
stored
at
35%
relative
humidity
room
temperature
air
atmosphere.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: April 29, 2024
Abstract
In
perovskite
solar
cells
(PSCs),
the
inherent
defects
of
film
and
random
distribution
excess
lead
iodide
(PbI
2
)
prevent
improvement
efficiency
stability.
Herein,
natural
cellulose
is
used
as
raw
material
to
design
a
series
derivatives
for
crystallization
engineering.
The
cationic
derivative
C-Im-CN
with
cyano-imidazolium
(Im-CN)
cation
chloride
anion
prominently
promotes
process,
grain
growth,
directional
orientation
perovskite.
Meanwhile,
PbI
transferred
surface
grains
or
formed
plate-like
crystallites
in
local
domains.
These
effects
result
suppressing
defect
formation,
decreasing
boundaries,
enhancing
carrier
extraction,
inhibiting
non-radiative
recombination,
dramatically
prolonging
lifetimes.
Thus,
PSCs
exhibit
high
power
conversion
24.71%.
Moreover,
has
multiple
interaction
sites
polymer
skeleton,
so
unencapsulated
maintain
above
91.3%
their
initial
efficiencies
after
3000
h
continuous
operation
conventional
air
atmosphere
have
good
stability
under
humidity
conditions.
utilization
biopolymers
excellent
structure-designability
manage
opens
state-of-the-art
avenue
manufacturing
improving
PSCs."Image
missing"
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 29, 2024
Abstract
The
quality
of
the
buried
interface
plays
a
key
role
in
achieving
high‐performance
perovskite
solar
cells
(PSCs).
However,
it
is
challenging
to
guarantee
its
on
larger
area,
which
pivotal
for
commercialization
PSCs.
Here,
facile
strategy
developed
modify
SnO
2
/perovskite
by
incorporating
L‐Aspartic
acid
monosodium
salt
(ASP‐Na)
into
colloidal
dispersion.
ASP‐Na
with
multidentate
ligands
can
coordinate
Sn
form
stable
dispersion,
inhibiting
agglomeration
nanoparticles
at
interface.
In
addition,
coordination
between
and
turn
promotes
uniform
distribution
ASP‐Na,
facilitates
effective
passivation
defects.
Consequently,
treatment
improves
device
efficiency
from
23.44%
25.47%
(certified
25.02%)
an
aperture
area
0.0797
cm
without
hysteresis
enhances
operation
stability.
mini‐module
achieves
20.11%
18.30
,
demonstrating
potential
scalability.
