Progress in Photovoltaics Research and Applications,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 25, 2025
ABSTRACT
The
employment
of
rationally
designed
functional
group‐bearing
molecules
as
additives
to
passivate
perovskite
defects
has
emerged
a
prevalent
trend.
Among
the
diverse
array
passivation
materials,
donor‐π‐acceptor
(D‐π‐A)
structured
have
attracted
widespread
attention
due
their
unique
ability
simultaneously
regulate
electron
donor
and
acceptor
units,
thereby
promoting
coordination
with
undercoordinated
ions
films.
In
this
work,
we
introduce
an
indoline‐based
D‐π‐A
molecule
(labeled
IHT)
efficient
passivator
for
solar
cells
(PSCs).
extraordinary
electron‐donating
capability
indoline
moiety
endows
electron‐withdrawing
cyanoacetic
acid
group
elevated
density,
which
is
in
favor
interaction
under‐coordinated
Pb
2+
lattice,
thus
reducing
density
defective
states
within
Experimental
outcomes
underscore
efficacy
IHT
additive
passivating
CsFA‐based
PSCs.
optimal
devices
demonstrate
remarkable
champion
photovoltaic
conversion
efficiency
21.25%,
notable
improvement
7.4%
compared
Cs‐FA‐PbI
3
devices.
stability
assessments
reveal
that
unencapsulated
IHT‐treated
retained
83%
initial
after
30
days
ambient
air,
whereas
untreated
exhibited
decline
54%
under
same
condition.
This
work
indicates
profound
significance
formation
dense
film
effect
well
enhancing
long‐term
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 7, 2025
Abstract
engineering
has
emerged
as
a
promising
approach
to
improve
the
stability
and
power
conversion
efficiency
of
perovskite
solar
cells
(PSCs)
by
regulating
crystallization
or
defects.
Conventional
methods
typically
focus
on
single
functional
group,
leading
deficiency
in
simultaneously
addressing
above
mentioned
two
aspects.
Here,
an
innovative
using
(methylsulfonyl)phenyl)prop‐2‐en‐1‐amine
hydroiodide
(MSPPAI)
is
presented
concurrently
effectively
modulate
defect
passivation.
The
unique
structure
MSPPAI,
combining
rigid
conjugated
with
multisite
anchoring
groups
(─NH
2
─SO
─),
enables
precise
regulation
through
strong
interaction
components.
This
promotes
preferred
(100)
orientation
crystals,
enhances
grain
size,
thus
improves
film
quality.
Meanwhile,
approximate
coplanarity
further
facilitate
ordered
directional
growth.
Furthermore,
preventing
volatile
loss
coordinating
residual
Pb
2+
,
MSPPAI
could
stabilize
boundaries
surfaces
reduce
defects
prevent
degradation.
Utilizing
these
mechanisms,
corresponding
based
devices
achieves
25.54%
exhibits
excellent
that
maintains
93%
its
initial
even
after
1600
h
under
humid
conditions.
molecular
design
strategy
presents
novel
for
improving
PSCs.
Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 24, 2025
Abstract
The
widespread
application
of
self‐assembled
monolayer
(SAM)
hole
transport
materials
has
driven
rapid
advancements
in
the
performance
inverted
perovskite
solar
cells
(PSCs).
However,
difficulty
achieving
a
highly
ordered
SAM
for
and
weak
binding
strength
between
layer
not
only
leads
to
defective
bottom
interface
but
also
reduces
compatibility
with
large‐area
device
fabrication.
In
this
work,
co‐assembled
molecule
functionalized
diamide
terminal
group
is
demonstrated
that
able
form
supramolecular
interaction
popular
carbazole‐based
SAMs
regulating
their
structural
ordering,
improve
chemical
bonding
Pb‐I
frameworks
synergistically,
which
enables
efficient
long‐term
stable
PSCs.
As
result,
target
contributes
champion
small‐area
power
conversion
efficiency
(PCE)
25.3%
(certified
25.0%),
demonstrates
good
fabrication
by
reproducible
performances
1.02
cm
2
devices.
encapsulated
devices
exhibit
stability
92.8%
91.2%
initial
PCE
after
1500
hours
aging
under
85
°C
maximum
point
(MPP)
tracking
at
65
hours,
respectively.
Optical Materials Express,
Год журнала:
2024,
Номер
14(8), С. 2083 - 2083
Опубликована: Июль 25, 2024
This
study
presents
a
novel
investigation
into
enhancing
the
environmental
stability
of
perovskite
thin
films,
specifically
focusing
on
effects
AZ5214
photoresist
compared
to
widely
studied
PMMA.
By
employing
advanced
matrix
encapsulation
techniques,
we
aim
stabilize
methylammonium
lead
iodide
(MAPbI
3
)
and
bromide
(MAPbBr
which
are
meticulously
prepared
via
two-step
solution
deposition
method
under
controlled
ambient
conditions.
Our
approach
involves
spin-coating
layers
poly(methyl
methacrylate)
(PMMA)
singularly
encapsulate
films.
provides
robust
hydrophobic
barrier,
significantly
mitigating
moisture
ingress
addressing
pinhole
challenges
within
structure.
Through
comprehensive
characterizations—including
scanning
electron
microscopy
(SEM),
X-ray
diffraction
(XRD),
photoluminescence
(PL)
spectroscopy—we
demonstrate
that
photoresist,
despite
being
thicker
than
PMMA,
offers
enhanced
stability.
revealed
coating
MAPbI
with
127-nanometer
layer
PMMA
resulted
in
PL
intensity
retention
44.8%
after
40
days,
is
589.23%
improvement
over
uncoated
perovskite.
Similarly,
1200-nanometer
achieved
38.2%,
reflecting
487.69%
enhancement.
For
MAPbBr
perovskite,
43.1%,
71.72%
improvement,
while
48.4%,
showing
92.83%
These
findings
highlight
superior
provided
by
especially
for
,
making
it
more
effective
barrier
against
degradation
Perovskite
solar
cells
(PSCs)
have
attracted
widespread
attention
due
to
their
low
cost
and
high
efficiency.
So
far,
a
variety
of
single‐junction
PSCs
been
successfully
developed
considered
for
commercialization,
including
normal
(N‐PSCs),
inverted
(I‐PSCs),
carbon‐based
(C‐PSCs)
without
hole
transporter.
Herein,
the
material
cost,
equipment
depreciation
energy
consumption
these
three
types
(1
m
2
)
in
detail
are
analyzed.
As
indicated,
total
fabrication
N‐PSCs
($86.49)
I‐PSCs
($81.31)
is
very
close,
but
significantly
reduced
$41.16
C‐PSCs
(49%–52%
reduction)
because
carbon
electrode
much
cheaper
than
noble
metal
organic
Besides,
only
low‐cost
slot‐die
coating
process
with
needed
deposition
electrode,
while
expensive
physical
vapor
reactive
plasma
processes
