Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 8, 2024
Abstract
The
buried
interface
of
wide‐bandgap
(WBG)
perovskite
solar
cells
(PSCs)
is
crucial
for
effective
charge
transfer
and
device
stability.
In
this
study,
2,4‐diamino‐6‐fluoropyrimidine
(DMFP)
incorporated
into
the
layer
to
form
a
molecular
bridge
at
between
MeO‐4PACZ.
DMFP
treatment
reduces
agglomeration
MeO‐4PACZ,
resulting
in
denser
more
uniform
self‐assembled
monolayers
(SAMs)
by
inducing
favorable
crystal
orientation.
addition,
strong
chemical
interaction
films
significantly
defect
state
density
promotes
growth
high‐quality
grains.
Moreover,
effectively
modulates
energy
levels
perovskites,
facilitating
interfacial
extraction.
As
result,
WBG
PSCs
treated
with
demonstrate
remarkable
power
conversion
efficiency
(PCE)
21.96%,
an
enhanced
short‐circuit
current
(J
SC
)
21.60
mA
cm
−2
high
open‐circuit
voltage
(V
OC
1.23
V.
prepared
retain
95.5%
their
initial
after
1500
h
aging
relative
humidity
≈30%
air,
indicating
excellent
This
study
contributes
deeper
understanding
proposes
collaborative
approach
developing
high‐performance
PSCs.
Small Methods,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 24, 2025
Abstract
Metal
halide
perovskite
solar
cells
(PSCs)
are
emerging
as
promising
candidates
for
next‐generation
photovoltaics
aimed
at
green
energy
production.
However,
during
solution‐processed
film
deposition,
the
distinct
rheological
behaviors
of
blade
coating,
compared
to
spin
result
in
less
controlled
crystallization,
leading
inferior
quality
and
limiting
power
conversion
efficiency
(PCE)
blade‐coated
photovoltaics.
In
this
work,
ethylene
glycol
(EG)
is
introduced
an
inert
co‐solvent
precursor
solutions
achieve
high‐quality
films
via
coating.
The
high
viscosity
EG
facilitates
deposition
thick
ranging
from
400
2000
nm,
while
its
low
vapor
pressure
effectively
suppresses
premature
nucleation
before
vacuum
flashing,
with
enhanced
morphology.
As
a
result,
PSCs
impressive
champion
PCE
24.10%
retain
89%
their
initial
after
600
h
continuous
operation.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 28, 2025
Abstract
To
approach
the
Shockley‐Queisser
(S‐Q)
limit
in
perovskite
solar
cells
(PSCs),
enhancing
fill
factor
(FF),
a
crucial
parameter
associated
with
carrier
transport
and
nonradiative
recombination,
is
of
paramount
importance.
In
this
paper,
rare
earths
(RE),
neodymium
salt
used
as
dopant
4‐(3‐,6‐dimethoxy‐9h‐carbazol‐9‐butyl)
phosphonic
acid
(MeO‐4PACz)
to
obtain
MeO‐4PACz:Nd
3+
,
Nd
migration
induced
during
annealing.
It
worth
noting
that
uniform
diffusion
layer
significantly
increases
defect‐formation
energy
perovskite,
thus
reducing
density
defect
states,
greatly
improving
rate
inhibited
non‐radiative
recombination.
The
experimental
results
show
wide‐band
gap
(WBG)
PSCs
based
on
has
an
excellent
power
conversion
efficiency
(PCE)
22.82%
FF
86.35%.
proposed
method
provides
direct
for
RE
promote
perovskites.
Advanced Theory and Simulations,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 5, 2025
Abstract
Heterojunction
solar
cells
are
a
notable
improvement
in
cell
technology,
distinguished
by
the
interface
created
two
distinct
semiconductor
materials.
However,
high
manufacturing
costs
and
complexity
production
process
have
limited
use
of
traditional
HJTs.
Given
current
trend
toward
using
thinner
absorber
layers,
it
is
evident
that
2D
materials
with
atomically
thin
structures
flexibility
most
suitable
options
for
integrating
next‐gen
technology.
Phosphorene,
recently
emerged
material
has
exceptional
carrier
mobility
(≈4000
cm
2
V
−1
s
),
tunable
bandgap
(≈0.3
to
eV)
better
mechanical
gained
immense
attention
various
fields.
On
other
hand,
MoS
member
transition
metal
dichalcogenides
possess
(≈1.2–2
eV),
(≈200
)
huge
surface
area
making
them
highly
wide
variety
applications.
In
this
work,
SCAPS‐1D
simulation
2D/2D
heterojunction
carried
out
ITO/phosphorene/MoS
/Al
device.
The
focused
on
modifying
defect
density
(N
t
semiconductors.
Furthermore,
impact
input
light
intensity
device
performance
studied.
