Improving the Stability of Wide Bandgap Perovskites: Mechanisms, Strategies, and Applications in Tandem Solar Cells
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 7, 2025
Abstract
Tandem
solar
cells
(TSCs)
based
on
wide
bandgap
(WBG)
perovskites
have
gained
significant
attention
for
their
higher
power
conversion
efficiency
(PCE)
compared
to
single‐junction
cells.
The
role
of
WBG
perovskite
(PSCs)
as
the
sub‐cell
in
tandem
consists
absorbing
high‐energy
photons
and
producing
open‐circuit
voltages
(
V
OC
).
However,
PSCs
face
serious
phase
separation
issues,
resulting
poor
long‐term
stability
substantial
loss
TSCs.
In
response,
researchers
developed
a
range
strategies
mitigate
these
challenges,
showing
promising
progress,
comprehensive
review
is
expected.
this
review,
we
discuss
mechanism
organic–inorganic
hybrids
all‐inorganic
perovskites.
Additionally,
conduct
an
in‐depth
investigation
various
enhance
stability,
including
component
engineering,
additive
interface
dimension
control,
solvent
encapsulation.
Furthermore,
application
TSCs
summarized
detail.
Finally,
perspectives
are
provided
offer
guidance
development
efficient
stable
field
Язык: Английский
Enhancing Interfacial Contact in Perovskite/Silicon Tandem Solar Cells Through TaOX Passivation
Small,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 5, 2025
Abstract
Perovskite/silicon
tandem
solar
cells
demonstrating
tremendous
potential
for
commercialization
that
position
them
as
a
transformative
technology
in
photovoltaics.
However,
the
poor
interface
contact
between
perovskite
and
C
60
has
long
been
critical
factor
limiting
power
conversion
efficiency
(PCE)
of
top
cells.
Here,
multifunctional
inorganic
tantalum
oxide
(TaO
X)
film
passivation
layer
is
introduced,
which
not
only
suppresses
recombination
across
but
also
improves
energy
level
alignment
enhances
charge
extraction
at
perovskite/C
interface.
More
importantly,
TaO
X
demonstrates
exceptional
thermal
stability,
significantly
overall
stability
device.
These
synergistic
effects
enable
fabrication
single‐junction
cell
with
PCE
21.0%
bandgap
1.68
eV.
Furthermore,
when
combined
double‐sided
tunnel
passivated
silicon
bottom
cell,
29.5%
1
cm
2
achieved.
unencapsulated
‐based
devices
exhibited
improved
subjected
to
ISOS‐L‐1
accelerated
aging
conditions.
Язык: Английский
Homogenizing Electron and Hole Transport Layers in Tin Perovskite Solar Cells to Enhance Photocurrent and Voltage
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 23, 2025
Tin
perovskite
solar
cells
(TPSCs)
are
considered
as
a
sustainable
alternative
to
their
lead-containing
counterparts,
offering
an
ideal
bandgap,
more
stable
crystal
structure,
and
better
semiconducting
properties.
However,
the
fabrication
of
efficient
able
TPSCs
has
been
challenging
task.
Among
main
components
TPSCs,
herein,
we
investigated
transport
layers
interface
with
layer.
Several
microscopy
techniques
revealed
inhomogeneity
in
common
hole
layer,
poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)
(PEDOT:PSS),
electron
layer
(ETL),
indene-C60
bisadduct
(ICBA).
A
hydrogen-bond
donor
molecule
d-sorbitol
modified
microstructure
PEDOT:PSS,
increasing
its
conductivity
crystallization
density
overlying
Blending
1%
poly(methyl
methacrylate)
into
ICBA
rendered
uniform
ETL,
which
facilitated
across
tin
perovskite.
The
photocurrent
density,
open-circuit
voltage,
fill
factor
were
all
enhanced
achieve
power
conversion
efficiency
15.8%
excellent
short-term
stability.
Our
findings
address
often-neglected
aspect
device
provide
new
approach
boosting
performance
reproducibility
TPSCs.
Язык: Английский