Recent
progress
in
inverted
perovskite
solar
cells
(IPSCs)
mainly
focused
on
NiOx
modification
and
(PVK)
regulation
to
enhance
efficiency
stability.
However,
most
works
address
only
monofunctional
modifications,
identical
molecules
with
the
ability
simultaneously
optimize
interface
bulk
phase
have
been
rarely
reported.
This
work
proposes
a
dual
approach
using
4-amino-3,5-dichlorobenzotrifluoride
(DCTM)
both
upper
interfaces
reduction
of
defects
perovskite.
Amino
group
DCTM
increases
Ni3+/Ni2+
ratio
NiOx,
thereby
increasing
conductivity
optimizing
energy
alignment.
Additionally,
fills
Pb2+
I–
vacancies
perovskite,
which
improves
vertical
orientation
grains
subsequently
reduces
nonradiative
recombination,
achieving
increased
carrier
lifetime.
PVK
modified
by
exhibits
enhanced
level
alignment
electron
transport
layer,
while
femtosecond
transient
absorption
(TA)
spectroscopy
confirms
that
facilitates
efficient
transport,
leading
high-performance
IPSCs.
The
optimized
IPSCs
achieve
maximum
22.8%
reduced
hysteresis
(0.7%).
Moreover,
unencapsulated
device
preserves
over
80%
its
initial
power
conversion
(PCE)
after
1000
h
stored
air
at
30%
relative
humidity.
strategy
monomolecular
offers
straightforward
solution
for
optimization
provides
new
insights
into
selecting
aniline-derived
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(35)
Published: June 27, 2024
Abstract
Inverted
perovskite
solar
cells
(PSCs)
have
attracted
considerable
attention
due
to
their
distinct
advantages,
including
minimal
hysteresis,
cost‐effectiveness,
and
suitability
for
tandem
applications.
Nevertheless,
the
solution
processing
low
formation
energy
of
perovskites
inevitably
lead
numerous
defects
formed
at
both
bulk
interfaces
layer.
These
can
act
as
non‐radiative
recombination
centers,
significantly
impeding
carrier
transport
posing
a
substantial
obstacle
stability
further
enhancing
power
conversion
efficiency
(PCE).
This
review
delves
into
detailed
discussion
nature
origin
characterization
techniques
employed
defect
identification.
Furthermore,
it
systematically
summarizes
methods
detection
approaches
passivating
interface
within
film
in
inverted
PSCs.
Finally,
this
offers
perspective
on
employing
upscaling
passivation
engineering
modules.
It
is
hoped
provides
insights
PSCs
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(25)
Published: Feb. 7, 2024
Abstract
Inverted
perovskite
solar
cells
(IPSCs)
have
attracted
unprecedented
attention
due
to
their
negligible
hysteresis,
long‐term
operational
stability,
low
temperature,
and
cost‐effective
fabrication
process,
as
well
wide
applications.
The
power
conversion
efficiency
(PCE)
of
IPSCs
has
skyrocketed
from
3.9%
in
2013
certified
26.1%
2023,
which
is
over
the
25.8%
regular
counterpart,
benefiting
emergence
a
great
number
organic
hole‐transporting
materials
(HTM).
This
review
provides
an
overview
recent
development
stability
IPSCs,
including
small
molecules
conjugated
conductive
polymers.
effective
strategies
for
charge‐transport
layer
films
are
also
discussed.
Finally,
prospective
further
outlined,
developing
novel
fabricating
techniques
meet
requirements
commercial
application.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(25)
Published: April 12, 2024
Abstract
Nickel
oxide
is
one
of
the
most
promising
hole‐transporting
materials
in
inverted
perovskite
solar
cells
(PSCs)
but
suffers
from
undesired
reactions
with
which
leads
to
limited
device
performance
and
stability.
Self‐assembled
monolayers
(SAMs)
are
demonstrated
effectively
optimize
NiO
x
/perovskite
interface,
significance
compactness
SAM
at
interface
less
investigated.
Here,
a
series
methoxy‐substituted
triphenylamine
functionalized
benzothiadiazole
(TBT)
based
molecules,
TBT‐BA,
TBT‐FBA,
TBT‐DBA,
benzoic
acid,
2‐fluorobenzoic
acid
isophthalic
acids
as
anchoring
groups
used
modify
.
TBT‐BA
simplest
structure
form
densest
on
,
thus
optimized
/SAM/perovskite
achieved
enhanced
charge
collection
suppressed
interfacial
reaction
recombination.
can
also
passivate
due
highest
binding
energy
toward
perovskite,
corresponding
PSCs
show
PCE
24.8%
maintain
88.7%
initial
after
storage
60
°C
for
2635
h
glovebox.
The
work
provides
important
insights
into
designing
molecules
modification
transporting
layers
efficient
stable
PSCs.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(32)
Published: April 8, 2024
Abstract
Inverted
positive‐intrinsic‐negative
(
p
‐i‐
n
)
perovskite
solar
cells
(IPSCs)
have
attracted
widespread
attention
due
to
their
low
fabrication
temperature,
good
stability
in
ambient
air,
and
the
potential
for
use
flexible
tandem
devices.
In
recent
years,
self‐assembled
monolayers
(SAMs)
been
investigated
as
a
promising
hole‐selective
contact
IPSCs,
leading
an
impressive
record
efficiency
of
about
26%,
which
is
comparable
that
regular
counterparts.
This
review
focuses
on
progress
SAM‐based
IPSCs
from
perspective
energy
level
matching,
defect
passivation,
interface
carrier
extraction,
SAMs’
improvement,
well
advances
up‐scalable
SAMs
layers
efficient
modules
A
cost
analysis
other
commonly
used
materials
conducted
evaluate
cost‐effectiveness
photovoltaic
applications.
Finally,
future
challenges
are
pointed
out
perspectives
how
up‐scale
improve
long‐term
operational
provided.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(33)
Published: June 21, 2024
Abstract
Self‐assembled
molecules
(SAMs)
have
shown
great
potential
in
the
application
of
optoelectronic
devices
due
to
their
unique
molecular
properties.
Recently,
emerging
phosphonic
acid‐based
SAMs,
2‐(9Hcarbazol‐9‐yl)ethyl]phosphonic
acid
(2PACz),
successfully
applied
perovskite
solar
cells
(PSCs),
organic
(OSCs)
and
light
emitting
diodes
(PeLEDs).
More
importantly,
impressive
results
based
on
2PACz
SAMs
are
reported
recently
succession.
Therefore,
it
is
essential
provide
an
insightful
summary
promote
further
development.
In
this
review,
molecule
design
strategies
about
first
concluded.
Subsequently,
work
systematically
reviews
recent
advances
its
derivatives
for
single
junction
PSCs,
tandem
OSCs
PeLEDs.
Finally,
concludes
discusses
future
challenges
develop
devices.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(17), P. 6157 - 6203
Published: Jan. 1, 2024
HSSAMs
with
diverse
structures,
encompassing
various
anchoring
and
functional
groups,
were
systematically
categorized
their
multifaceted
roles
in
inverted
PSCs
TSCs
correlation
device
performance
investigated.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(19), P. 7342 - 7354
Published: Jan. 1, 2024
Tetrafluorosuccinic
acid
was
introduced
into
the
buried
interface
to
stabilize
FA
cations,
mediate
crystal
growth
of
perovskite
and
reduce
hole-transport
barrier,
delivering
a
record
efficiency
25.92%
for
RbCsFAMA-based
solar
cells.
Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: Feb. 1, 2025
Carrier
transport
and
recombination
at
the
buried
interface
of
perovskite
have
seriously
restricted
further
development
inverted
solar
cells
(PSCs).
Herein,
an
interfacial
dipolar
chemical
bridge
strategy
to
address
this
issue
is
presented.
2-(Diphenylphosphino)
acetic
acid
(2DPAA)
selected
as
linker
reconstruct
dipole,
which
effectively
enlarges
dipole
moment
5.10
D
optimizes
a
positive
orientation,
thereby
accelerating
vertical
hole
transport,
suppressing
nonradiative
promoting
crystallization.
The
champion
device
yields
high
power
conversion
efficiency
(PCE)
26.53%
(certified
26.02%).
Moreover,
extended
wide-bandgap
large-area
devices,
delivers
PCEs
22.02%
24.11%,
respectively.
optimized
devices
without
encapsulation
also
demonstrate
great
long-term
shelf
operational
stability.
Our
work
highlights
importance
orientation
realize
efficient
stable
PSCs.
hindered
cells.
Here,
authors
employ
achieving
maximum
24.11%
for
small-
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 3, 2025
Abstract
Self‐assembled
monolayers
(SAMs)
as
hole‐collecting
materials
have
made
remarkable
progress
in
inverted
perovskite
solar
cells
(PSCs).
However,
the
incomplete
coverage
of
SAMs
and
non‐intimate
interface
contact
between
perovskite/SAMs
usually
cause
inferior
characteristics
significant
energy
losses
at
heterojunction
interface.
Herein,
a
post‐assembled
chelating
molecular
bridge
strategy
using
5‐(9H‐carbazol‐9‐yl)isophthalicacid
(CB‐PA)
is
developed
to
modify
buried
It
found
that
CB‐PA
can
be
chemically
coupled
with
MeO‐2PACz
through
π–π
stacking
carbazole
groups,
chelate
by
forming
double
C═O···Pb
bonds,
thus
constructing
bridge‐connected
promote
carrier
extraction.
Simultaneously,
fill
voids
form
dense
hybrid
SAMs,
resulting
uniform
surface
potential
improved
contact.
Moreover,
treatment
also
tends
induce
oriented
crystallization
films,
passivate
defects,
release
lattice
stress
Consequently,
CB‐PA‐based
PSCs
achieve
champion
efficiency
25.27%
superior
operational
stability,
retaining
≈94%
their
initial
after
maximum
power
point
(MPP)
tracking
(65
°C)
for
1000
h
ISOS‐L‐2I
protocol.
This
work
provides
an
innovative
address
challenges
high‐performance
PSCs.