Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
34(4)
Published: Oct. 15, 2023
Abstract
Hole‐transporting
materials
(HTMs)
play
an
important
role
in
transporting
photogenerated
holes,
tuning
the
perovskite
crystallization
process,
and
passivating
uncoordinated
Pb
2+
defects
for
high‐performance
inverted
solar
cells
(PSCs).
Herein,
a
unique
cost‐effective
small
molecule‐type
HTM
based
on
triarylamine
core
bearing
chloro‐assisted
chelating
moiety
(named
TPA‐CAA)
is
synthesized,
which
has
excellent
affinity
to
precursor
solution
leading
smooth
uniform
films.
In
comparison
with
structurally
similar
molecule
TPA‐AA
absence
of
chloro‐substituent,
TPA‐CAA
can
form
chelate
structure
via
carbonyl
adjacent
chloro‐atom,
efficiently
tunes
crystallization,
passivates
defects,
enhances
hole
at
perovskite/HTL
interface.
Eventually,
TPA‐CAA‐based
PSC
achieves
champion
power
conversion
efficiency
(PCE)
21.56%
(19.64%
18.84%
poly[bis(4‐phenyl)(2,4,6‐trimethylphenyl)amine]
(PTAA)
ones,
respectively)
high
open‐circuit
voltage
(
V
OC
)
1.113
V.
Moreover,
stability
device
notably
improved,
PCE
maintains
over
80%
its
initial
value
1000
h
storage
ambient
air
(25
°C,
relative
humidity
30–40%)
without
encapsulation,
that
PTAA
(only
50%
left
h).
Science,
Journal Year:
2023,
Volume and Issue:
382(6668), P. 284 - 289
Published: Oct. 19, 2023
P-i-n
geometry
perovskite
solar
cells
(PSCs)
offer
simplified
fabrication,
greater
amenability
to
charge
extraction
layers,
and
low-temperature
processing
over
n-i-p
counterparts.
Self-assembled
monolayers
(SAMs)
can
enhance
the
performance
of
p-i-n
PSCs
but
ultrathin
SAMs
be
thermally
unstable.
We
report
a
robust
hole-selective
layer
comprised
nickel
oxide
(NiOx)
nanoparticle
film
with
surface-anchored
(4-(3,11-dimethoxy-7H-dibenzo[c,g]carbazol-7-yl)butyl)phosphonic
acid
(MeO-4PADBC)
SAM
that
improve
stabilize
NiOx/perovskite
interface.
The
energetic
alignment
favorable
contact
binding
between
NiOx/MeO-4PADBC
reduced
voltage
deficit
various
compositions
led
strong
interface
toughening
effects
under
thermal
stress.
resulting
1.53-electron-volt
devices
achieved
25.6%
certified
power
conversion
efficiency
maintained
>90%
their
initial
after
continuously
operating
at
65
degrees
Celsius
for
1200
hours
1-sun
illumination.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
63(1)
Published: Nov. 21, 2023
Abstract
Ultraviolet‐induced
degradation
has
emerged
as
a
critical
stability
concern
impeding
the
widespread
adoption
of
perovskite
solar
cells
(PSCs),
particularly
in
context
phase‐unstable
wide‐band
gap
films.
This
study
introduces
novel
approach
by
employing
fully
aromatic
carbazole‐based
self‐assembled
monolayer,
denoted
(4‐(3,6‐dimethoxy‐9H‐carbazol‐9‐yl)phenyl)phosphonic
acid
(MeO‐PhPACz),
hole‐selective
layer
(HSL)
inverted
PSCs.
Incorporating
conjugated
linker
plays
pivotal
role
promoting
formation
dense
and
highly
ordered
HSL
on
substrates,
facilitating
subsequent
interfacial
interactions,
fostering
growth
uniform
The
high‐quality
film
could
effectively
suppress
non‐radiative
recombination,
improving
hole
extraction/transport
efficiency.
Through
these
advancements,
optimized
PSCs,
featuring
band
1.68
eV,
attain
an
impressive
power
conversion
efficiency
(PCE)
21.10
%.
Remarkably,
MeO‐PhPACz
demonstrates
inherent
UV
resistance
heightened
absorption
capabilities,
substantially
for
targeted
characteristic
holds
significance
feasibility
large‐scale
outdoor
applications.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 18, 2024
Abstract
Perovskite
solar
cells
(PSCs)
hold
significant
promise
as
the
next‐generation
materials
in
photovoltaic
markets,
owing
to
their
ability
achieve
impressive
power
conversion
efficiencies,
streamlined
fabrication
processes,
cost‐effective
manufacturing,
and
numerous
other
advantages.
The
utilization
of
self‐assembled
monolayer
(SAM)
molecules
has
proven
be
a
success
enhancing
device
efficiency
extending
stability.
This
review
highlights
dual
use
SAM
realm
PSCs,
which
can
not
only
serve
charge
transport
but
also
act
interfacial
modulators.
These
research
endeavors
encompass
wide
range
applications
for
various
both
n‐i‐p
p‐i‐n
structured
providing
deep
insight
into
underlying
mechanisms.
Furthermore,
this
proposes
current
challenges
future
investigations
materials.
timely
thorough
seeks
provide
direction
inspiration
efforts
dedicated
ongoing
incorporation
SAMs
field
perovskite
photovoltaics.
ACS Energy Letters,
Journal Year:
2024,
Volume and Issue:
9(4), P. 1487 - 1506
Published: March 12, 2024
Inverted
perovskite
solar
cells
(PSCs)
with
p-i-n
structure
have
recently
attracted
widespread
attention
owing
to
their
fast-growing
power
conversion
efficiency.
In
this
Review,
we
focus
on
the
progress
in
materials
that
contribute
improved
efficiency
of
inverted
PSCs,
including
hole
transport
self-assembled
monolayers
as
highlight,
electron
materials,
and
interface
modification
between
charge
layers
for
passivating
defects.
Then,
discuss
recent
advances
perovskites,
optimization
bandgap,
interfacial
band
engineering,
development
film
processing.
Finally,
point
out
challenges
future
perspectives
further
improving
stability
PSCs
hope
offering
suggestions
tackle
hindrance
commercial
applications.
Interdisciplinary materials,
Journal Year:
2024,
Volume and Issue:
3(2), P. 203 - 244
Published: Feb. 23, 2024
Abstract
Self‐assembled
monolayers
(SAMs)
employed
in
inverted
perovskite
solar
cells
(PSCs)
have
achieved
groundbreaking
progress
device
efficiency
and
stability
for
both
single‐junction
tandem
configurations,
owing
to
their
distinctive
versatile
ability
manipulate
chemical
physical
interface
properties.
In
this
regard,
we
present
a
comprehensive
review
of
recent
research
advancements
concerning
SAMs
cells,
where
the
prevailing
challenges
future
development
prospects
applications
are
emphasized.
We
thoroughly
examine
mechanistic
roles
diverse
energy‐level
regulation,
modification,
defect
passivation,
charge
transportation.
This
is
by
understanding
how
interfacial
molecular
interactions
can
be
finely
tuned
mitigate
recombination
losses
PSCs.
Through
review,
aim
provide
valuable
insights
references
further
investigation
utilization
cells.
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.
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.
Chemical Science,
Journal Year:
2023,
Volume and Issue:
15(5), P. 1534 - 1556
Published: Nov. 10, 2023
We
summarize
the
challenges
to
design
and
synthesize
self-assembled
molecules,
discussing
their
synthetic
routes
structural
features
in
relationship
efficiency
of
perovskite-based
solar
cells
where
they
are
applied
as
selective
contacts.