The
study
of
unstable
interfaces
in
perovskite
semiconductors
requires
crucial
information
on
interfacial
composition,
chemical
gradients,
and
impurity
distribution.
A
versatile
technique
called
TOF-SIMS
can
provide
this
effectively.
Solar
cells
employing
methylammonium
lead
triiodide
as
the
photoactive
layer
were
fabricated,
utilizing
PEDOT:PSS
or
NiOx
thin
film
hole
transporting
layer,
PCBM
plus
ZnO
electron
layer.
These
inorganic
organic
layers
deposited
through
magnetron
sputtering
solution
processing,
respectively.
To
comprehensively
examine
each
interface
within
device
structure,
a
detailed
was
conducted.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 9, 2024
Abstract
Improving
light‐trapping
capabilities
through
surface
microstructuring
of
transparent
conductive
oxides
is
a
promising
approach
to
enhance
solar
cell
efficiency.
This
study
focuses
on
treating
fluorine‐doped
tin
oxide
(FTO)
thin
films
using
four‐beam
direct
laser
interference
patterning
(DLIP)
create
dot‐like
periodic
microstructures.
The
analysis
scanning
electron
microscopy
and
confocal
reveals
the
presence
square
grid
microcraters
with
spatial
period
≈700
nm
an
average
depth
ranging
between
4
18
nm.
These
structures
dispersion
incoming
light
up
1000%
in
visible
NIR
spectra.
When
integrated
into
metal
halide
perovskite
cells,
FTO
patterned
low
fluence
conditions
lead
notable
increase
power
conversion
efficiencies
(PCEs)
compared
those
made
untreated
FTO.
Importantly,
preliminary
stability
tests
devices
based
substrates
show
significantly
improved
fabricated
reference
unpatterned
substrates.
findings
demonstrate
that
DLIP
treatment
technique
can
substantially
efficiency
photovoltaic
devices.
Energy & Fuels,
Год журнала:
2023,
Номер
37(21), С. 16924 - 16932
Опубликована: Окт. 18, 2023
Carbon-based
perovskite
solar
cells
(C-PSCs)
without
hole
transport
layers
offer
acceptable
stability
while
they
suffer
from
low
performance.
In
the
current
study,
we
fabricated
a
two-dimensional/three-dimensional
(2D/3D)
hybrid
layer
over
FAPbI3
with
assistance
of
triethylbenzylammonium
chloride
(TBACl)
vapor
in
HTL-free
C-PSCs.
The
TBACl
by
reaction
surface
residual
PbI2
passivates
grain
boundaries
and
promotes
growth.
2D/3D
bilayer
reduces
defects
acts
as
an
interface
modifier,
charge
recombination
processes,
facilitates
transfer
shields
degradation.
C-PSCs
bilayers
show
photovoltaic
performance
record
champion
efficiency
16.10%,
higher
than
11.78%
recorded
for
control
devices.
addition,
behavior
against
ambient
air
heating.
The
study
of
unstable
interfaces
in
perovskite
semiconductors
requires
crucial
information
on
interfacial
composition,
chemical
gradients,
and
impurity
distribution.
A
versatile
technique
called
TOF-SIMS
can
provide
this
effectively.
Solar
cells
employing
methylammonium
lead
triiodide
as
the
photoactive
layer
were
fabricated,
utilizing
PEDOT:PSS
or
NiOx
thin
film
hole
transporting
layer,
PCBM
plus
ZnO
electron
layer.
These
inorganic
organic
layers
deposited
through
magnetron
sputtering
solution
processing,
respectively.
To
comprehensively
examine
each
interface
within
device
structure,
a
detailed
was
conducted.
