Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 21, 2025
Abstract
Carbazole‐based
self‐assembled
monolayers
(SAMs)
are
widely
used
in
inverted
perovskite
solar
cells
(PSCs).
However,
the
biased
intermolecular
assembly
of
SAM
molecules,
and
lack
Lewis
‐basic
heteroatoms
to
efficiently
tune
crystallinity
perovskites
passivate
interface
defects
still
limited
further
improvement
efficiency
stability
for
PSCs
involving
carbazole‐based
SAMs.
Herein,
a
novel
3,6‐dithiophene
molecule
(named
CzTh)
is
designed
via
substituent
engineering
strategy,
which
demonstrated
effectively
solve
obstacles.
The
theory
experiment
find
that
introduction
thiophene
regulated
SAMs
with
carbazole
core
terms
surface
wettability
precursor
solvent,
energy
level
alignment,
crystallization
films
passivation,
attributed
dipole
moment
changes,
base
property
S
atom.
Consequently,
CzTh
achieved
enhanced
power
conversion
(PCE)
excellent
air
stability,
compared
commercial
(Me‐4PACz).
As
an
“one‐stone‐three‐birds”
design
strategy
SAMs,
“thiophene‐substitution”
tunes
crystallization,
passivates
defects,
enhances
hole
injection
at
perovskite/SAMs
PSCs.
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 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.
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.
Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: Jan. 2, 2025
Self-assembled
monolayers
(SAMs)
have
displayed
unpredictable
potential
in
efficient
perovskite
solar
cells
(PSCs).
Yet
most
of
SAMs
are
largely
suitable
for
pure
Pb-based
devices,
precisely
developing
promising
hole-selective
contacts
(HSCs)
Sn-based
PSCs
and
exploring
the
underlying
general
mechanism
fundamentally
desired.
Here,
based
on
prototypical
donor-acceptor
SAM
MPA-BT-BA
(BT),
oligoether
side
chains
with
different
length
(i.e.,
methoxy,
2-methoxyethoxy,
2-(2-methoxyethoxy)ethoxy
group)
were
custom-introduced
benzothiadiazole
unit
to
produce
target
acronyms
MPA-MBT-BA
(MBT),
MPA-EBT-BA
(EBT),
MPA-MEBT-BA
(MEBT),
respectively,
acting
as
HSCs
Sn-Pb
all-perovskite
tandems.
The
introduction
enables
effectively
accelerate
hole
extraction,
regulate
crystal
growth
passivate
surface
defects
perovskites.
In
particular,
benefiting
from
enhanced
film
quality
suppressed
interfacial
non-radiative
recombination
losses,
EBT-tailored
LBG
devices
yield
a
champion
efficiency
23.54%,
enabling
28.61%
monolithic
tandems
an
impressive
VOC
2.155
V
excellent
operational
stability
well
28.22%-efficiency
4-T
development
is
highly
desirable.
authors
report
self-assembled
achieve
operationally
stable
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 3, 2025
Abstract
The
inverted
perovskite
solar
cells
based
on
hole‐selective
self‐assembled
molecules
(SAMs)
have
been
setting
new
efficiency
benchmarks.
However,
the
agglomeration
of
SAM
and
lack
defect
passivation
ability
are
two
critical
issues
that
need
to
be
addressed.
It
is
demonstrated
by
blending
co‐adsorbent
4‐phosphoricbutyl
ammonium
iodide
(4PBAI)
with
4‐(7H‐dibenzo[c,g]carbazole‐7‐yl)
phosphonic
acid
(4PADCB),
enhanced
homogeneity,
conductivity,
better
energy
levels
can
realized
for
co‐SAM
contact.
functional
group
4PBAI
also
effectively
passivate
defects
at
buried
interface
template
high‐quality
growth.
Assisted
synergistic
top
modification,
power
conversion
optimized
device
reaches
24.96%,
which
retain
95%
initial
after
1200
h
in
ambient
unencapsulated
device.
findings
suggest
a
well‐designed
address
limitations
further
enhance
performance
cutting‐edge
SAMs.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(19), P. 6974 - 7016
Published: Jan. 1, 2024
This
review
overviews
the
challenges
at
buried
interface
of
PSCs,
defect
passivation
capabilities
SAMs,
and
its
effectiveness
compared
to
other
passivating
agents.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 6, 2024
Abstract
Recently,
the
inverted
CsPbI
3
perovskite
solar
cells
(PSCs)
have
attracted
extensive
attentions
due
to
their
potential
combine
with
silicon
for
tandem
devices
theoretical
power
conversion
efficiency
(PCE)
of
44%.
However,
reported
self‐assembled
molecules
(SAMs)
as
hole
selected
layer
PSCs
poor
wettability
and
serious
agglomeration,
which
greatly
limits
stability
PSCs.
To
address
above
problem,
niobium
pentachloride
(NCL)
is
applied
prevent
SAMs
agglomeration
a
homogenous
film
hydrophilic
surface.
The
optimized
surface
facilitates
deposition
cesium
lead
triiodide
(CsPbI
)film
an
enhanced
referred
orientation,
suppressed
defects,
released
stress.
Consequently,
NCL‐treated
achieved
champion
PCE
21.24%,
highest
value
all‐inorganic
device
maintained
97.61%
initial
after
1000
h
storage
in
air,
92.27%
tracking
at
maximum
point
(MPP).
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 30, 2024
Through
a
bimolecular
energy-level-tunable
design,
an
ET-HTL
reaches
optimal
energy
level
alignment
with
three
different
perovskite
compositions,
providing
balanced
interface
defect
passivation,
charge
extraction,
and
transition
loss
suppression.
InfoMat,
Journal Year:
2024,
Volume and Issue:
6(12)
Published: May 26, 2024
Abstract
Silicon
belongs
to
group
14
elements
along
with
carbon,
germanium,
tin,
and
lead
in
the
periodic
table.
Similar
silicon
is
capable
of
forming
a
wide
range
stable
compounds,
including
hydrides,
organosilicons,
silicic
acids,
oxides,
silicone
polymers.
These
materials
have
been
used
extensively
optoelectronic
devices,
sensing,
catalysis,
biomedical
applications.
In
recent
years,
compounds
also
shown
be
suitable
for
stabilizing
delicate
halide
perovskite
structures.
composite
are
now
receiving
lot
interest
their
potential
use
various
real‐world
Despite
exhibiting
outstanding
performance
perovskites
susceptible
breakdown
presence
moisture,
oxygen,
heat,
UV
light.
thought
excellent
improving
both
stability
perovskite‐based
devices.
this
work,
that
research
applications
fields
discussed.
The
interfacial
stability,
structure–property
correlations,
application
aspects
analyzed
at
molecular
level.
This
study
explores
developments,
difficulties,
future
directions
associated
synthesis
perovskite‐silicon
compounds.
image