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.
Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 23, 2025
Abstract
The
rapid
crystallization
process
of
perovskite
produces
a
large
number
defects
that
remain
critical
factor
disturbs
the
performance
solar
cells
(PSCs).
In
this
research,
these
challenges
are
mitigated
by
introducing
multifunctional
2,6‐pyridinedicarboxylic
acid
chloride
(PAC)
as
an
additive
into
perovskite.
During
thermal
annealing
process,
predominant
accumulation
PAC
occurs
at
upper
and
buried
interfaces
film.
possesses
multiple
passivating
sites
facilitate
anchoring
lead
iodine
defects,
thereby
enhancing
quality
material
across
both
its
dual
grain
boundaries.
With
unique
property,
combined
with
advantages
enhanced
crystallization,
reduced
non‐radiative
recombination,
boosted
charge
carrier
mobility,
optimal
energy
level
alignment,
PSC
achieved
power
conversion
efficiency
(PCE)
25.60%
maintained
more
than
90%
after
3000
h
under
one
equivalent
light
1400
dark
high
temperature
(85
°C).
interface
passivation
strategy
provides
sustainable
solution
to
stability
environmental
for
commercialization
cells.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 31, 2025
Narrow
bandgap
mixed
tin-lead
perovskite
solar
cells
(PSCs)
have
garnered
substantial
research
interest
owing
to
their
remarkable
optoelectronic
properties.
However,
non-radiative
recombination
and
carrier
transport
losses
at
the
interface
between
layer
charge
(C60)
significantly
reduce
overall
efficiency
of
PSCs.
To
address
this
challenge,
9-Fluorenylmethyl
carbazate
(9FC)
is
incorporated
C60.
The
hydrazide
group
present
in
9FC
effectively
mitigates
oxidation
Sn2+.
Furthermore,
can
engage
chemical
bonding
with
perovskite,
while
outward-facing
aromatic
rings
create
effective
π-π
interactions
C60,
thereby
promoting
enhanced
interfacial
transfer.
highest-performing
PSCs
achieve
a
power
conversion
(PCE)
23.97%,
accompanied
by
an
impressive
open-circuit
voltage
0.91
V.
Additionally,
these
facilitate
development
highly
efficient
two-terminal
four-terminal
all-perovskite
tandem
cells,
which
demonstrate
efficiencies
27.01%
28.07%,
respectively.
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.
Nanomaterials,
Journal Year:
2025,
Volume and Issue:
15(8), P. 613 - 613
Published: April 16, 2025
Metal
halide
perovskites
have
emerged
as
a
groundbreaking
material
class
for
photovoltaic
applications,
owing
to
their
exceptional
optoelectronic
properties,
tunable
bandgap,
and
cost-effective
fabrication
processes.
This
review
offers
comprehensive
analysis
of
recent
advancements
in
synthesis,
structural
engineering,
characterization
metal
efficient
solar
energy
conversion.
We
explore
range
techniques,
including
solution
processing,
vapor
deposition,
nanostructuring,
emphasizing
impact
on
stability,
efficiency,
scalability.
Additionally,
we
discuss
key
methods,
such
X-ray
diffraction,
electron
microscopy,
impedance
spectroscopy,
optical
analysis,
that
provide
insights
into
the
structural,
electrical,
properties
these
materials.
Despite
significant
progress,
challenges
related
long-term
degradation
mechanisms,
environmental
sustainability
persist.
delves
current
strategies
enhancing
durability
performance
perovskite-based
photovoltaics
highlights
emerging
trends
device
integration
commercialization.
Finally,
future
perspectives
optimizing
design
overcoming
existing
limitations
guide
continued
research
this
rapidly
advancing
field.