The
p-i-n
type
perovskite
solar
cells
with
a
nickel
oxide
(NiOx)
hole
transport
layer
in
combination
self-assembled
monolayers
(SAMs)
have
high
power
conversion
efficiency
(PCE)
of
over
26%.
surface
properties
the
SAM
significant
impact
on
growth
and
crystallization
film.
In
meanwhile,
defects
formed
during
thermal
annealing
at
interface
would
act
as
charge
recombination
centers,
decreasing
device
performance
stability.
To
address
these
issues,
this
work
introduces
3,4,5-trifluorophenylboronic
acid
(3,4,5-3FPBA)
interfacial
modification
to
improve
buried
that
enable
better
With
3,4,5-3FPBA
layer,
based
composition
Cs0.05(FA0.98MA0.02)0.95Pb(I0.95Br0.05)3,
increased
from
21.99%
24.02%.
A
similar
improvement
was
observed
for
Cs0.05FA0.82MA0.13Pb(I0.85Br0.15)3,
where
21.87%
22.76%.
universality
has
been
confirmed.
addition,
resulting
showed
improved
stability,
maintaining
75%
its
initial
after
500
h
continuous
heating
85
°C
unencapsulated
devices.
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: 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.