Dual Interface Passivation With Multi‐Site Regulation Toward Efficient and Stable Inverted Perovskite Solar Cells
Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 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.
Язык: Английский
Robust 3D/2D Heterojunction with Oriented Dion-Jacobson Layer for Improved Ion Migration Suppression in Large-Area Inverted Perovskite Solar Cells
Nano Energy,
Год журнала:
2025,
Номер
unknown, С. 111024 - 111024
Опубликована: Апрель 1, 2025
Язык: Английский
Benzalkonium chloride assisted quenching-free fabrication of nonalloyed FAPbI3 perovskite films and solar cells
Chemical Engineering Journal,
Год журнала:
2025,
Номер
unknown, С. 162771 - 162771
Опубликована: Апрель 1, 2025
Язык: Английский
Strategies to promote the certified efficiency of inverted perovskite solar cells above 24%: A review
Опубликована: Апрель 1, 2025
Язык: Английский
In-situ passivation of perovskite films by parallel surface adsorption of dual-active-site ammonium cations for high-performance inverted perovskite solar cells
Chemical Engineering Journal,
Год журнала:
2025,
Номер
unknown, С. 163955 - 163955
Опубликована: Май 1, 2025
Язык: Английский
TOP‐Zn Steric Hindrance Effect Enables Ultra‐Uniform CsPbX3 Quantum Dots for Wide‐Color Gamut Displays
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 7, 2025
Abstract
Perovskite
quantum
dots
(PQDs)
are
expected
to
be
an
ideal
candidate
for
wide‐color
gamut
displays
owing
their
high
color
purity.
However,
purity
is
challenged
by
remarkable
spectral
broadening
due
non‐uniform
size
distribution
and
crystal
defects.
Here,
a
ligand‐ion
(TOP‐Zn)
complex‐modulating
nucleation
strategy
proposed
depress
broadening.
This
achieved
enhancing
the
steric
hindrance
effect
during
lead‐halogen
octahedral
assembly
reducing
reaction
activity/sites
of
system.
universal
has
been
confirmed
effective
blue,
green,
red
PQDs,
achieving
narrowed
full‐width‐at‐half‐maximum
(FWHM)
15,
17,
25
nm,
respectively.
These
FWHMs
record‐breaking
contribute
wide
coverage
≈130%
National
Television
Standards
Committee
≈100%
Rec.
2020
standard.
Meanwhile,
these
PQD‐based
light‐emitting
diodes
(PeLEDs)
exhibit
external
efficiency
(EQE)
exceeding
20%
at
pure
range.
results
provide
feasible
path
achieve
ultra‐uniform
pure‐color
luminescent
PQDs
displays.
Язык: Английский
Functional Group Engineering Stabilizing Precursor Solution and Passivating Defects for Operationally Stable and Highly Reproducible Inverted Perovskite Solar Cells
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 7, 2025
Abstract
The
instability
of
perovskite
precursor
solution
induced
by
deprotonation
organic
cations
and
oxidation
iodide
ions
substantially
deteriorates
the
reproducibility
reliability
photovoltaic
performance
solar
cells
(PSCs).
above
decomposition
reactions
can
be
conquered
via
synergistic
engineering
functional
groups.
However,
how
spatial
conformation
type
weak
acid
groups
impact
stability
remains
to
investigated.
Herein,
it
is
uncovered
that
position
on
benzene
remarkably
influence
dissociation
constant
(p
K
a
)
thus
inks.
p
plays
decisive
role
in
suppressing
following
amine‐cation
addition‐elimination
reaction.
4‐hydrazinobenzenesulfonic
(4‐HBSA)
with
lowest
optimal
stabilizing
inks
mitigating
nonradiative
recombination
through
defect
passivation.
This
breakthrough
enables
inverted
PSCs
deliver
power
conversion
efficiency
(PCE)
26.79%
(certified
26.36%,
highest
PCE
value
for
prepared
ambient
conditions)
using
vacuum
flash
evaporation
technology.
modulated
PSC
could
maintain
92%
its
initial
after
2000
h
continuous
maximum
point
tracking.
Язык: Английский
Dual-site passivation by heterocycle functionalized amidinium cations toward high-performance inverted perovskite solar cells and modules
Energy & Environmental Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
This
work
reports
a
dual-site
passivation
of
anionic
and
cationic
defects
through
heterocycle
functionalized
amidinium
cations
for
achieving
highly
efficient
perovskite
solar
cells.
Язык: Английский
Synergistic Effect of Cation and Anion Passivation Defects and Suppression of Phase Transition Enhance the Performance and Stability of Inverted Perovskite Solar Cells
Small,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 27, 2025
The
trap
states
and
phase
instability
of
perovskite
films
harm
the
fabrication
high-performance
stable
solar
cells
(PSCs).
Herein,
β-fluorophenylethanammonium
cation
(β-FPEA+)
tosylate
anions
(TsO-)
are
employed
to
enhance
both
performance
stability
inverted
PSCs.
Theoretical
calculations
show
that
β-FPEA+TsO-
can
passivate
defects
at
FA-I
Pb-I
terminals.
Nuclear
magnetic
resonance
reveals
strong
interactions
between
perovskites,
which
facilitate
high-quality
films.
During
crystallization,
β-FPEA+
preferentially
generates
2D
perovskite,
stabilizing
black
passivating
film.
Meanwhile,
large
TsO-
be
extruded
grain
boundary
surface,
reducing
inhibiting
degradation
synergistic
effect
passivation
on
suppression
transition
results
in
power
conversion
efficiency
(PCE)
improved
25.47%
(vs
23.08%
control),
along
with
unencapsulated
device
retaining
81%
initial
PCE
after
960
h
85
°C
vacuum.
This
work
provides
a
novel
simple
strategy
for
designing
combination
organic
cations
non-halogenated
suppress
transition,
thereby
achieving
high
Язык: Английский