Solar RRL,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 30, 2025
Wide‐bandgap
(WBG)
perovskites
(PVK),
known
for
their
superior
ability
of
validly
capturing
visible
light,
are
critical
achieving
high‐efficiency
VK–silicon
tandem
solar
cells.
However,
challenges
such
as
high‐defect
densities
at
grain
boundaries,
nonradiative
recombination,
and
instability
severely
limit
performance.
In
this
study,
we
introduce
a
molecule
2‐methylthio‐2‐imidazoline
hydriodide
(MDHI)
passivator
to
address
the
boundary
defects
by
forming
MDHI–PbI
2
complex.
X‐ray
diffraction
scanning
electron
microscopy
results
demonstrate
that
MDHI
effectively
suppressed
formation
PbI
,
thereby
greatly
enhanced
crystallinity
PVKs
with
doubled
size,
which
reduced
defect
minimized
recombination
losses.
As
result,
an
power
conversion
efficiency
(PCE)
20.19%
(0.09
cm
)
is
observed
bandgap
1.68
eV
PVK
cells
(PSCs)
modification,
can
retain
over
90%
its
initial
after
1000
h
continuous
illumination,
demonstrating
significantly
promoted
operational
stability,
while
control
one
only
shows
17.96%
PCE
remains
60%
pristine
efficiency.
Eventually,
MDHI‐modified
WBG
PVK–silicon
devices
achieve
champion
30.46%
(1.07
).
This
study
provides
new
strategy
improve
stability
in
photovoltaics.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 9, 2025
Developing
strategies
to
manage
ion-migration-induced
phase
segregation
in
wide-bandgap
(WBG)
perovskites
is
crucial
for
achieving
high-performance
perovskite-silicon
tandem
solar
cells
(TSCs).
However,
maintaining
continuous
suppression
of
from
the
film
crystallization
process
device
operation
remains
a
significant
challenge.
The
present
study
demonstrates
an
efficient
strategy
activating
halogen
circulation
WBG
perovskite
by
using
agents
(HCA)
N-halosuccinimide
molecules
as
sustainable
stabilizers,
order
achieve
dynamic
equilibrium
within
precursor
solution
and
film,
which
blocks
migration
path
Br-/I-
ions
both
aging
perovskites.
Attempts
on
situ
monitoring
halide
visually
verified
enhanced
stability
activated
films
devices.
Consequently,
work
achieves
champion
efficiency
up
23.25%
with
low
Voc
loss
0.39
V
1.67-eV-bandgap
device,
HCA-based
devices
can
maintain
88%
93%
their
initial
efficiencies
over
1000
h
under
illumination
2500
at
85
°C
N2
atmosphere,
respectively.
As
proof
concept,
perovskite/silicon
monolithic
TSCs
are
fabricated
demonstrate
high
1.99
power
conversion
33.2%.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 1, 2025
Abstract
Recent
advances
in
wide‐bandgap
(WBG)
perovskite
solar
cells
(PSCs)
demonstrate
a
burgeoning
potential
to
significantly
enhance
photovoltaic
efficiencies
beyond
the
Shockley–Queisser
limit
for
single‐junction
cells.
This
review
explores
multifaceted
improvements
WBG
PSCs,
focusing
on
novel
compositions,
halide
substitution
strategies,
and
innovative
device
architectures.
The
of
iodine
with
bromine
organic
ions
such
as
FA
MA
Cs
lattice
is
emphasized
its
effectiveness
achieving
higher
open‐circuit
voltages
reduced
thermalization
losses.
Furthermore,
integration
advanced
charge
transport
layers
interface
engineering
techniques
discussed
critical
minimizing
voltage
(
V
OC
)
deficits
improving
photo‐stability
these
utilization
PSCs
diverse
applications
semitransparent
devices,
indoor
photovoltaics,
multijunction
tandem
devices
also
explored,
addressing
both
their
current
limitations
solutions.
culminates
comprehensive
assessment
challenges
impeding
industrial
scale‐up
PSC
technology
offers
perspective
future
research
directions
aimed
at
realizing
highly
efficient
stable
commercial
applications.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 4, 2024
Abstract
Due
to
the
higher
photon
energy
under
indoor
photovoltaic
conditions,
using
perovskite
materials
with
wider
bandgaps
has
become
a
consensus.
However,
updating
absorbers
requires
additional
adaptations
involving
at
least
two
layers
of
transport
and
interfaces,
increasing
development
complexity.
This
study
acknowledges
that
buried
interface
is
primary
location
for
generation
photoinduced
carriers,
achieving
efficient
carrier
separation
this
will
solve
most
open
circuit
voltage
(
V
OC
)
loss
issues
encountered
in
transitioning
from
solar
photovoltaics
photovoltaics.
Therefore,
class
bipolar
pseudohalide
ammonium
salts
proposed
use
as
bridging
agents
effectively
resolve
lattice
misalignment
insufficient
driving
force
when
broadening
bandgap,
thereby
reducing
The
optimized
device
exhibits
an
excellent
photoelectric
conversion
efficiency
(PCE)
41.04%,
record‐high
1.08
V.
It
also
demonstrates
impressive
long‐term
operational
stability
T
80
lifetime
1000
h.
Substituting
various
non‐buried
different
categories
wide‐bandgap
does
not
alter
effectiveness,
proving
its
universality.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 17, 2025
Abstract
[4‐(3,6‐dimethyl‐9H‐carbazol‐9‐yl)butyl]phosphonic
acid
(Me‐4PACz)
consistently
exhibits
inhomogeneous
distribution
on
the
substrate,
which
makes
it
a
challenge
for
growth
of
high‐quality
perovskite
film,
resulting
in
undesired
interfacial
losses
at
buried
interfaces.
Moreover,
flexible
alkyl
chains
Me‐4PACz
are
not
conducive
to
intermolecular
interactions
and
hinder
charge
flow.
Here,
novel
molecule
with
4‐Methoxy‐N‐(4‐methoxyphenyl)‐N‐phenylaniline
(TPA)
carbazole
backbone,
named
CzTPA
is
designed,
constituted
Co‐SAM
Me‐4PACz.
The
two
carboxyls
end
will
act
as
an
anchoring
group
cover
inadequate
coverage
NiO
x
.
methoxy
TPA
can
passivation
uncoordinated
Pb
2+
interface
by
interaction
Pb─O.
Additionally,
be
restrained
self‐aggregation
interacting
CzTPA.
cooperation
realizes
more
homogeneous
,
efficient
transport,
minimize
defects.
Accordingly,
modification
significantly
enhance
efficiency
1.54‐eV
PSCs
from
23.53%
25.66%
sustain
91.4%
its
original
after
1992
h
under
continuous
illumination
65
°C.
More
importantly,
1.68
eV
wide‐bandgap
PSC
achieved
PCE
22.75%
good
photostability.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 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
