Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(33)
Published: April 30, 2024
Abstract
Organic
self‐assembled
molecules
(OSAMs)
based
hole‐transporting
materials
play
a
pivotal
role
in
achieving
highly
efficient
and
stable
inverted
perovskite
solar
cells
(IPSCs).
However,
the
reported
carbazol‐based
OSAMs
have
serious
drawbacks,
such
as
poor
wettability
for
solution
spreading
due
to
nonpolar
surface,
worse
matched
energy
arrangement
with
perovskite,
limited
molecular
species,
which
greatly
limit
device
performance.
To
address
above
problems,
novel
OSAM
[4‐(3,6‐glycol
monomethyl
ether‐9H‐carbazol‐9‐yl)
butyl]phosphonic
acid
(GM‐4PACz)
was
synthesized
material
by
introducing
glycol
ether
(GM)
side
chains
at
carbazolyl
unit.
GM
groups
enhance
surface
of
Indium
Tin
Oxide
(ITO)/SAM
substrate
facilitate
nucleation
growth
up
film,
suppress
cation
defects,
release
residual
stress
SAM/perovskite
interface,
evaluate
level
matching
perovskite.
Consequently,
GM‐4PACz
IPSC
achieves
champion
PCE
25.52
%,
respectable
open‐circuit
voltage
(
V
OC
)
1.21
V,
high
stability,
possessing
93.29
%
91.75
their
initial
efficiency
after
aging
air
2000
h
or
tracking
maximum
power
point
1000
h,
respectively.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(38)
Published: July 26, 2024
The
interface
between
the
perovskite
layer
and
electron
transporting
is
a
critical
determinate
for
performance
stability
of
solar
cells
(PSCs).
heterogeneity
critically
affects
carrier
dynamics
at
buried
interface.
To
address
this,
bridging
molecule,
(2-aminoethyl)phosphonic
acid
(AEP),
introduced
modification
SnO
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(22)
Published: Feb. 8, 2024
Abstract
Interface
engineering
is
known
for
effectively
improving
interfacial
contact
and
passivating
defects
to
enhance
device
performance
of
inverted
perovskite
solar
cells
(PSCs).
Currently,
most
works
focus
on
surface
passivation,
while
the
buried
interface
equally
important.
The
film
quality
layer
greatly
relies
interface,
leaving
a
pronounced
impact
overall
performance.
In
addition,
resolving
energy
level
mismatch
at
remains
challenging.
Optimizing
becomes
promising
approach
high‐efficiency
PSCs.
This
review
summarizes
recent
advances
in
emphasize
importance
corresponding
characterization
techniques.
various
functions
are
carefully
discussed,
including
crystallization
modulation,
defect
alignment,
chemical
reaction
inhibition,
bridge,
dipole
cancellation
novel
Finally,
current
challenges
prospects
put
forward
that
should
be
addressed
further
improve
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.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(33)
Published: April 30, 2024
Abstract
Organic
self‐assembled
molecules
(OSAMs)
based
hole‐transporting
materials
play
a
pivotal
role
in
achieving
highly
efficient
and
stable
inverted
perovskite
solar
cells
(IPSCs).
However,
the
reported
carbazol‐based
OSAMs
have
serious
drawbacks,
such
as
poor
wettability
for
solution
spreading
due
to
nonpolar
surface,
worse
matched
energy
arrangement
with
perovskite,
limited
molecular
species,
which
greatly
limit
device
performance.
To
address
above
problems,
novel
OSAM
[4‐(3,6‐glycol
monomethyl
ether‐9H‐carbazol‐9‐yl)
butyl]phosphonic
acid
(GM‐4PACz)
was
synthesized
material
by
introducing
glycol
ether
(GM)
side
chains
at
carbazolyl
unit.
GM
groups
enhance
surface
of
Indium
Tin
Oxide
(ITO)/SAM
substrate
facilitate
nucleation
growth
up
film,
suppress
cation
defects,
release
residual
stress
SAM/perovskite
interface,
evaluate
level
matching
perovskite.
Consequently,
GM‐4PACz
IPSC
achieves
champion
PCE
25.52
%,
respectable
open‐circuit
voltage
(
V
OC
)
1.21
V,
high
stability,
possessing
93.29
%
91.75
their
initial
efficiency
after
aging
air
2000
h
or
tracking
maximum
power
point
1000
h,
respectively.
