Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 18, 2024
Despite
significant
progress
in
the
power-conversion
efficiency
(PCE)
of
perovskite
solar
cells
(PSCs),
instability
devices
remains
a
considerable
obstacle
for
commercial
applications.
This
primarily
originates
from
migration
halide
ions-particularly
iodide
ions
(I
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
124(19), P. 10623 - 10700
Published: Aug. 29, 2024
Recently,
there
has
been
an
extensive
focus
on
inverted
perovskite
solar
cells
(PSCs)
with
a
p-i-n
architecture
due
to
their
attractive
advantages,
such
as
exceptional
stability,
high
efficiency,
low
cost,
low-temperature
processing,
and
compatibility
tandem
architectures,
leading
surge
in
development.
Single-junction
perovskite-silicon
(TSCs)
have
achieved
certified
PCEs
of
26.15%
33.9%
respectively,
showing
great
promise
for
commercial
applications.
To
expedite
real-world
applications,
it
is
crucial
investigate
the
key
challenges
further
performance
enhancement.
We
first
introduce
representative
methods,
composition
engineering,
additive
solvent
processing
innovation
charge
transporting
layers,
interface
fabricating
high-efficiency
stable
PSCs.
then
delve
into
reasons
behind
excellent
stability
Subsequently,
we
review
recent
advances
TSCs
PSCs,
including
perovskite-Si
TSCs,
all-perovskite
perovskite-organic
TSCs.
achieve
final
deployment,
present
efforts
related
scaling
up,
harvesting
indoor
light,
economic
assessment,
reducing
environmental
impacts.
Lastly,
discuss
potential
PSCs
future.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 22, 2024
Abstract
Developing
high‐quality
wide
bandgap
(WBG)
perovskites
with
≈1.7
eV
(
E
g
)
is
critical
to
couple
silicon
and
create
efficient
silicon/perovskite
tandem
devices.
The
sufferings
of
large
open‐circuit
voltage
V
OC
loss
unstable
power
output
under
operation
continuously
highlight
the
criticality
fully
develop
WBG
perovskite
films.
In
this
study,
rubidium
thiocyanate
as
additive
regulators
in
are
incorporated,
significantly
reducing
non‐radiative
recombination,
ion‐migration,
phase
segregation.
optimized
1.66
solar
cells
achieved
state‐of‐art
1.3
(0.36
deficit),
delivered
a
stabilized
conversion
efficiency
24.3%,
along
good
device
stability
(20%
degradation
(T
80
after
over
994
h
1
sun
at
≈65°C).
When
integrated
flat
front
side
cell,
two‐terminal
(30%
efficient)
obtained
1.97
,
T
90
operational
lifetime
more
than
600
room
temperature.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 6, 2025
Effective
modifications
for
the
buried
interface
between
self-assembled
monolayers
(SAMs)
and
perovskites
are
vital
development
of
efficient,
stable
inverted
perovskite
solar
cells
(PSCs)
their
tandem
photovoltaics.
Herein,
an
ionic-liquid-SAM
hybrid
strategy
is
developed
to
synergistically
optimize
uniformity
SAMs
crystallization
above.
Specifically,
ionic
liquid
1-butyl-3-methyl-1H-imidazol-3-iumbis((trifluoromethyl)sulfonyl)amide
(BMIMTFSI)
incorporated
into
SAM
solution,
enabling
reduced
surface
roughness,
improved
wettability,
a
more
evenly
distributed
potential
film.
Leveraging
this
optimized
substrate,
favorable
growth
high-quality
crystals
achieved.
Furthermore,
introduced
functional
ions
readily
bond
with
perovskites,
effectively
passivating
undesirable
cation
or
halide
vacancies
near
interface.
Remarkably,
high
power
conversion
efficiencies
(PCEs)
25.68%
22.53%
obtained
normal-bandgap
(≈1.55
eV)
wide-bandgap
(WBG)
(≈1.66
PSCs
along
operational
stability.
Additionally,
champion
PCE
19.50%
achieved
semitransparent
WBG
PSCs,
further
delivering
impressive
28.34%
integrated
four-terminal
photovoltaics
when
combined
CuInGaSe2
cells.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(49)
Published: Sept. 23, 2024
Abstract
Perovskite/organic
tandem
solar
cells
(POTSCs)
have
garnered
significant
attention
due
to
their
potential
for
achieving
high
photovoltaic
(PV)
performance.
However,
the
reported
power
conversion
efficiencies
(PCEs)
and
fill
factors
(FFs)
are
still
subpar
challenges
associated
with
charge
extraction
in
organic
bulk‐heterojunction
(BHJ)
energy
losses
interconnecting
layers
(ICLs).
Here,
a
quaternary
BHJ
blend
is
developed
enhance
subcell,
contributing
an
increased
FF
of
≥78%
under
1
sun
illumination
even
more
lower
intensities.
Meanwhile,
ICLs
reduced
via
incorporation
self‐assembly
monolayer
(SAM),
(4‐(3,6‐Dimethyl‐9H‐carbazol‐9‐yl)butyl)phosphonic
acid
(Me‐4PACz),
form
MoO
x
/SAM
interface
thorough
control
thickness
suppress
parasitic
absorption.
The
resultant
POTSCs
achieve
remarkable
PCE
25.56%
(certified:
24.65%),
record
83.62%,
which
among
highest
PCEs
all
types
perovskite‐based
(TSCs)
till
now.
This
work
proves
optimization
effective
strategies
promote
performance
surpass
other
solution‐processed
TSCs
near
future.
Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: Jan. 2, 2025
Abstract
Perovskite-organic
tandem
solar
cells
(P-O-TSCs)
hold
substantial
potential
to
surpass
the
theoretical
efficiency
limits
of
single-junction
cells.
However,
their
performance
is
hampered
by
non-ideal
interconnection
layers
(ICLs).
Especially
in
n-i-p
configurations,
incorporation
metal
nanoparticles
negatively
introduces
serious
parasitic
absorption,
which
alleviates
photon
utilization
organic
rear
cell
and
decisively
constrains
maximum
photocurrent
matching
with
front
cell.
Here,
we
demonstrate
an
efficient
strategy
mitigate
optical
losses
Au-embedded
ICLs
tailoring
shape
size
distribution
Au
via
manipulating
underlying
surface
property.
Achieving
fewer,
smaller,
more
uniformly
spherical
significantly
minimizes
localized
plasmon
resonance
while
maintaining
electron-hole
recombination
within
ICLs.
Consequently,
optimized
P-O-TSCs
combining
CsPbI
2
Br
various
benefit
from
a
current
gain
>1.5
mA/cm
cells,
achieving
champion
25.34%.
Meanwhile,
contribute
improved
long-term
device
stability.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 21, 2025
Abstract
Wide‐bandgap
perovskite
solar
cells,
which
are
essential
for
tandem
photovoltaics,
easily
suffer
from
open‐circuit
voltage
(
V
OC
)
losses
due
to
challenges
in
suppressing
halogen
heterogeneity
and
defect‐related
nonradiative
recombination
the
active
layers.
Herein,
a
multifunctional
fluorine‐containing
additive
of
8‐pentafluorobenzyloxy
quinoline
(8‐PFBQ)
is
explored
modulate
crystallization
defect
properties
wide‐bandgap
(1.67
eV)
perovskites,
enhancing
both
efficiency
operational
stability
ensuing
cells.
It
demonstrated
that
group
8‐PFBQ
can
strongly
coordinate
with
lead
ions
fluorinated
benzyl
effectively
interacts
organic
halides
through
anion‐π
hydrogen
bonding
interactions
simultaneously.
These
synergistic
effects
improve
crystal
quality
composition
homogeneity,
holistically
reducing
defects
The
resulting
cells
achieve
champion
power
conversion
22.22%,
featuring
high
1.243
two‐fold
enhancement
stability.
This
work
presents
an
alternative
strategy
management
offering
insights
advancements
single‐junction
photovoltaics.
Journal of Materials Chemistry A,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Compositional
and
interfacial
engineering
for
improved
light
stability
of
flexible
wide-bandgap
perovskite
solar
cells
a
highly
efficient
all-perovskite
tandem
device.