Interface
engineering
strategies
passivate
defects
on
the
polycrystalline
perovskite
film
surface
and
improve
stability
of
corresponding
solar
cells
(PSCs).
However,
a
single
interface
step
can
result
in
restricted
benefits
various
occasions.
Therefore,
an
appropriate
additional
modification
be
necessary
to
synergistically
device
performance.
In
this
study,
two-step
strategy
is
developed.
Initially,
CsPbI3
modified
by
choline
iodide
(ChI)
construct
1D
ChPbI3/3D
heterojunction,
then
with
use
crown
ether
applied.
The
further
eliminate
unpassivated
after
heterojunction
construction.
Benefiting
from
inhibited
interfacial
recombination,
resultant
carbon-electrode-based
PSCs
(C-PSCs)
deliver
champion
efficiency
18.78%,
representing
one
highest
levels
field.
Besides,
against
moisture,
heat,
light
stress
due
enhanced
hydrophobicity
suppressed
ion
migration.
Solar RRL,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 11, 2024
Perovskite
solar
cells
(PSCs)
have
attracted
widespread
attention
due
to
their
low
cost
and
high
efficiency.
So
far,
a
variety
of
single‐junction
PSCs
been
successfully
developed
considered
for
commercialization,
including
normal
(N‐PSCs),
inverted
(I‐PSCs),
carbon‐based
(C‐PSCs)
without
hole
transporter.
Herein,
the
material
cost,
equipment
depreciation
energy
consumption
these
three
types
(1
m
2
)
in
detail
are
analyzed.
As
indicated,
total
fabrication
N‐PSCs
($86.49)
I‐PSCs
($81.31)
is
very
close,
but
significantly
reduced
$41.16
C‐PSCs
(49%–52%
reduction)
because
carbon
electrode
much
cheaper
than
noble
metal
organic
Besides,
only
low‐cost
slot‐die
coating
process
with
needed
deposition
electrode,
while
expensive
physical
vapor
reactive
plasma
processes
Journal of Materials Chemistry A,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Solution-processed
top
electrodes
are
crucial
for
PSC
commercialization.
This
TOC
image
illustrates
solution-processed
commercial-scale
perovskite
photovoltaics.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 11, 2025
Abstract
Wide
bandgap
(WBG)
metal
halide
perovskite
solar
cells
with
high
output
voltages
are
critical
for
efficiency
multi‐junction
cells.
This
work
demonstrates
the
first
use
of
laser
annealing
in
ambient
fabricating
both
self‐assembly
molecular
(SAM)
hole
transport
layer
(HTL)
and
1.80
eV
impressive
open
circuit
voltage
(
V
OC
)
power
conversion
(PCE).
The
1.35V
PCE
19.8%
produced
by
champion
cell
highest‐to‐date
same
bandgap.
Notably,
reduces
processing
time
to
only
1
min
each
HTL
compared
10
hot‐plate
thermal
device
area.
Additionally,
subjects
substrate
lower
temperature
than
annealing.
Macroscopic
localized
profiles
generated
were
modeled
a
3D
finite
element
analysis
unveiling
effective
absorption
cooling
film
Me‐4PACz
heat
rest
during
scanning.
promising
prospects
future
mass
production
especially
on
temperature‐sensitive
substrates.
ChemSusChem,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 24, 2025
Hole
transport
layer
(HTL)-free
carbon-based
perovskite
solar
cells
(C-PSCs)
own
outstanding
potential
for
commercial
applications
due
to
their
attractive
advantages
of
low
cost
and
superior
stability.
However,
the
abundant
defects
mismatched
energy
levels
at
interface
perovskite/carbon
electrode
severely
limit
device
efficiency
Constructing
a
2D
on
surface
3D
films
form
2D/3D
heterojunctions
has
been
demonstrated
be
an
effective
method
passivating
optimizing
level
alignment
in
almost
all
kinds
PSCs.
Due
unique
structure
HTL-free
C-PSCs,
play
especially
important
roles.
This
review
article
summarizes
reports
C-PSCs.
It
describes
contributions
terms
roles
defect
passivation,
optimization,
stability
improvement.
Finally,
challenges
prospects
heterojunction
further
development
C-PSCs
are
highlighted.
Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: April 8, 2025
Carbon-based
perovskite
solar
cells
exhibit
a
promising
application
prospect
due
to
its
cost
effective
and
attractive
hydrophobic
nature
chemical
inertness,
but
are
still
limited
unsatisfied
device
efficiency.
Herein,
we
design
triple-layer
full-carbon
electrode
for
n-i-p
typed
cells,
which
is
comprised
of
modified
macroporous
carbon
layer,
highly
conductive
graphite
layer
thin
dense
each
undertakes
different
contribution
improving
the
cell
performance.
Based
on
this
electrode,
inorganic
CsPbI3
>19%
certified
efficiency
highest
result
among
carbon-based
devices.
On
one
hand,
quantum
dots
decorated
macro-porous
can
realize
better
energy
alignment
electrode/spiro-OMeTAD/CsPbI3
interface,
other
advantageous
carrier
transporting.
Typically,
top
exhibits
significant
thermal
radiation
ability,
reduce
operational
temperature
devices
by
about
10
°C,
both
from
theoretical
simulation
experimental
testing.
Thereby,
packaged
based
much
photothermal
stability
at
~70°C
accompanied
white
light
emitting
diode
illumination,
no
degradation
after
2000
h
continuous
tracking.
Nano Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 5, 2025
Achieving
efficient
and
stable
perovskite
solar
cells
(PSCs)
is
challenging
due
to
nonradiative
recombination,
ion
migration,
film
instability.
This
study
designs
low-dimensional
(LD)
ligands─benzimidazole
(BIZ),
1H-benzimidazole,
6-methyl-,
(6-MeBIm),
6-(trifluoromethyl)-,
(6-TFBIm)─to
construct
LD/3D
heterojunctions.
Compared
with
BIZ
6-MeBIm
(constructing
1D/3D
heterojunction),
the
2D/3D
heterojunction
constructed
by
6-TFBIm
successfully
passivated
different
defects,
resulting
in
a
significant
reduction
recombination
improved
carrier
transport,
leading
power
conversion
efficiency
(PCE)
of
25.25%,
outperforming
control
devices
(PCE:
22.97%).
The
PSCs
exhibit
superior
humidity
thermal
stability,
maintaining
structural
integrity
under
harsh
conditions.
These
results
underscore
role
tailored
LD
ligands
optimizing
quality,
charge
paving
way
for
high-performance
durable
PSCs.
