Self-assembled
monolayers
(SAMs)
play
a
critical
role
in
modifying
the
buried
interface
of
perovskite
solar
cells
(PVSCs)
by
modulating
crystallization
dynamics
perovskites
and
adjusting
energy
level
alignment
between
layer
electrode.
The
integration
p-type
SAMs
has
driven
power
conversion
efficiency
(PCE)
inverted
p-i-n
structured
PVSCs
to
world
record
26.7%.
However,
with
traditional
n-i-p
structures,
n-type
have
not
yet
achieved
comparable
breakthroughs.
Therefore,
unlock
full
potential
SAMs,
this
review
provides
comprehensive
summary
their
molecular
deposition
methods,
passivation
mechanisms.
Recent
advances
various
including
fullerene-based,
naphthalene
imide-based,
benzene-based
other
structures
been
discussed
detail.
Finally,
future
research
directions
associated
challenges
are
outlined
guide
efforts
toward
realizing
PVSCs.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Сен. 1, 2024
Self-assembled
monolayers
(SAMs)
have
become
pivotal
in
achieving
high-performance
perovskite
solar
cells
(PSCs)
and
organic
(OSCs)
by
significantly
minimizing
interfacial
energy
losses.
In
this
study,
we
propose
a
co-adsorb
(CA)
strategy
employing
novel
small
molecule,
2-chloro-5-(trifluoromethyl)isonicotinic
acid
(PyCA-3F),
introducing
at
the
buried
interface
between
2PACz
perovskite/organic
layers.
This
approach
effectively
diminishes
2PACz's
aggregation,
enhancing
surface
smoothness
increasing
work
function
for
modified
SAM
layer,
thereby
providing
flattened
with
favorable
heterointerface
perovskite.
The
resultant
improvements
crystallinity,
minimized
trap
states,
augmented
hole
extraction
transfer
capabilities
propelled
power
conversion
efficiencies
(PCEs)
beyond
25%
PSCs
p-i-n
structure
(certified
24.68%).
OSCs
CA
achieve
remarkable
PCEs
of
19.51%
based
on
PM1:PTQ10:m-BTP-PhC6
photoactive
system.
Notably,
universal
also
been
achieved
other
two
popular
OSC
systems.
After
1000-hour
maximal
point
tracking,
encapsulated
retain
approximately
90%
80%
their
initial
PCEs,
respectively.
introduces
facile,
rational,
effective
method
to
enhance
performance
SAMs,
realizing
efficiency
breakthroughs
both
device
structure,
along
improved
operational
stability.
are
essential
high
Here,
authors
develop
molecule
provide
heterointerface,
devices.
Chemical Reviews,
Год журнала:
2024,
Номер
124(19), С. 10623 - 10700
Опубликована: Авг. 29, 2024
Recently,
there
has
been
an
extensive
focus
on
inverted
perovskite
solar
cells
(PSCs)
with
a
p-i-n
architecture
due
to
their
attractive
advantages,
such
as
exceptional
stability,
high
efficiency,
low
cost,
low-temperature
processing,
and
compatibility
tandem
architectures,
leading
surge
in
development.
Single-junction
perovskite-silicon
(TSCs)
have
achieved
certified
PCEs
of
26.15%
33.9%
respectively,
showing
great
promise
for
commercial
applications.
To
expedite
real-world
applications,
it
is
crucial
investigate
the
key
challenges
further
performance
enhancement.
We
first
introduce
representative
methods,
composition
engineering,
additive
solvent
processing
innovation
charge
transporting
layers,
interface
fabricating
high-efficiency
stable
PSCs.
then
delve
into
reasons
behind
excellent
stability
Subsequently,
we
review
recent
advances
TSCs
PSCs,
including
perovskite-Si
TSCs,
all-perovskite
perovskite-organic
TSCs.
achieve
final
deployment,
present
efforts
related
scaling
up,
harvesting
indoor
light,
economic
assessment,
reducing
environmental
impacts.
Lastly,
discuss
potential
PSCs
future.
Advanced Materials,
Год журнала:
2024,
Номер
36(28)
Опубликована: Май 20, 2024
Abstract
In
the
fabrication
of
inverted
perovskite
solar
cells
(PSCs),
wettability,
adsorbability,
and
compactness
self‐assembled
monolayers
(SAMs)
on
conductive
substrates
have
critical
impacts
quality
films
defects
at
buried
perovskite‐substrate
interface,
which
control
efficiency
stability
devices.
Herein,
three
bisphosphonate‐anchored
indolocarbazole
(IDCz)‐derived
SAMs,
IDCz‐1,
IDCz‐2,
IDCz‐3,
are
designed
synthesized
by
modulating
position
two
nitrogen
atoms
IDCz
unit
to
improve
molecular
dipole
moments
strengthen
π–π
interactions.
Regulating
work
functions
(WF)
FTO
electrodes
through
energy
levels,
band
bends
upwards
with
a
small
offset
for
ITO/IDCz‐3/perovskite,
thereby
promoting
hole
extraction
blocking
electrons.
As
result,
PSC
employing
IDCz‐3
as
hole‐collecting
layer
exhibits
champion
PCE
25.15%,
is
record
multipodal
SAMs‐based
PSCs.
Moreover,
unencapsulated
device
can
be
stored
least
1800
h
little
degradation
in
performance.
Advanced Materials,
Год журнала:
2024,
Номер
36(38)
Опубликована: Июль 25, 2024
Flexible
perovskite
solar
cells
(f-PSCs)
have
emerged
as
potential
candidates
for
specific
mechanical
applications
owing
to
their
high
foldability,
efficiency,
and
portability.
However,
the
power
conversion
efficiency
(PCE)
of
f-PSC
remains
limited
by
inferior
contact
between
flexible
buried
substrate.
Here,
an
asymmetric
π-extended
self-assembled
monolayer
(SAM)
(4-(9H-dibenzo[a,c]carbazol-9-yl)butyl)phosphonic
acid
(A-4PADCB)
is
reported
a
substrate
efficient
inverted
f-PSCs.
Employing
this
design
strategy,
A-4PADCB
exhibits
significant
orientation
angle
away
from
surface
normal,
homogenizing
distribution
potentials.
This
enhancement
improves
SAM/perovskite
interface
quality,
controlling
growth
favorable
films
with
low
defect
density
slight
tensile
stress.
Integration
into
small-area
f-PSCs
large-area
modules
aperture
area
20.84
cm
Nano-Micro Letters,
Год журнала:
2024,
Номер
16(1)
Опубликована: Май 23, 2024
Perovskite
solar
cells
(PSCs)
offer
low
costs
and
high
power
conversion
efficiency.
However,
the
lack
of
long-term
stability,
primarily
stemming
from
interfacial
defects
susceptible
metal
electrodes,
hinders
their
practical
application.
In
past
few
years,
two-dimensional
(2D)
materials
(e.g.,
graphene
its
derivatives,
transitional
dichalcogenides,
MXenes,
black
phosphorus)
have
been
identified
as
a
promising
solution
to
solving
these
problems
because
dangling
bond-free
surfaces,
layer-dependent
electronic
band
structures,
tunable
functional
groups,
inherent
compactness.
Here,
recent
progress
2D
material
toward
efficient
stable
PSCs
is
summarized,
including
role
both
interface
electrodes.
We
discuss
beneficial
effects
on
perovskite
growth,
energy
level
alignment,
defect
passivation,
well
blocking
external
stimulus.
particular,
unique
properties
form
van
der
Waals
heterojunction
at
bottom
are
emphasized.
Finally,
perspectives
further
development
using
provided,
such
designing
high-quality
heterojunction,
enhancing
uniformity
coverage
nanosheets,
developing
new
materials-based
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Окт. 15, 2024
The
high
non-radiative
energy
loss
is
a
bottleneck
issue
that
impedes
the
improvement
of
organic
solar
cells.
formation
triplet
exciton
thought
to
be
main
source
large
loss.
Decreasing
rate
back
charge
transfer
considered
as
an
effective
approach
alleviate
relaxation
charge-transfer
state
and
generation.
Herein,
we
develops
efficient
ternary
system
based
on
D18:N3-BO:F-BTA3
by
regulating
disorder
blend.
With
addition
F-BTA3,
well-defined
morphology
with
more
condensed
molecular
packing
obtained.
Moreover,
reduced
demonstrated
in
blend,
which
decreases
well
formation,
therefore
hinders
recombination
pathways.
Consequently,
D18:N3-BO:F-BTA3-based
device
produces
low
0.183
eV
record-high
efficiency
20.25%.
This
work
not
only
points
towards
significant
role
suppression
loss,
but
also
provides
valuable
insight
for
enhancing
performance
OSCs.
Here,
authors
regulate
through
system,
achieving
Advanced Materials,
Год журнала:
2024,
Номер
36(37)
Опубликована: Июль 25, 2024
Abstract
The
perovskite/silicon
tandem
solar
cell
represents
one
of
the
most
promising
avenues
for
exceeding
Shockley–Queisser
limit
single‐junction
cells
at
a
reasonable
cost.
Remarkably,
its
efficiency
has
rapidly
increased
from
13.7%
in
2015
to
34.6%
2024.
Despite
significant
research
efforts
dedicated
this
topic,
“secret”
achieving
high‐performance
seems
be
confined
few
groups.
Additionally,
discrepancies
preparation
and
characterization
between
continue
impede
transition
efficient
cells.
This
review
first
revisits
key
milestones
development
monolithic
over
past
decade.
Then,
comprehensive
analysis
background,
advancements,
challenges
is
provided,
following
sequence
fabrication
process.
progress
limitations
prevalent
stability
measurements
devices
are
also
discussed.
Finally,
roadmap
designing
efficient,
scalable,
stable
outlined.
takes
growth
history
into
consideration
while
charting
future
course
research.
Energy & Environmental Science,
Год журнала:
2024,
Номер
17(17), С. 6157 - 6203
Опубликована: Янв. 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.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(46)
Опубликована: Июнь 22, 2024
Abstract
The
antisolvent‐assisted
spin‐coating
still
lags
behind
the
thermal
evaporation
method
in
fabricating
perovskite
films
atop
industrially
textured
silicon
wafers
making
monolithic
perovskite/silicon
solar
cells
(P/S‐TSCs).
inhomogeneity
of
hole‐selective
self‐assembled
monolayers
(SAMs)
often
arises
from
insufficient
bonding
between
hygroscopic
phosphonic
acid
anchors
and
metal
oxide.
To
address
this,
a
mixed‐SAM
strategy
(Mx‐SAM)
is
proposed
to
enhance
adsorption
energy
SAMs
on
ITO
surface,
facilitate
formation
dense
humidity‐resistant
layer
(HSL)
substrates,
improve
hole
transport
capabilities.
With
aid
Mx‐SAM
strategy,
optimized
wide‐bandgap
PSCs
achieved
an
impressive
power
conversion
efficiency
(PCE)
22.63%
with
exceptionally
high
fill
factor
(
FF
)
86.67%
using
1.68
eV
perovskite.
Moreover,
they
exhibited
enhanced
stability
under
damp‐heat
conditions
(ISOS‐D‐3,
85%
RH,
85
°C)
T
90
900
h
for
encapsulated
PSCs,
representing
one
best
performances
PSCs.
When
further
extending
P/S‐TSCs
industry,
remarkable
28.07%
reached
while
upholding
outstanding
reproducibility.
This
holds
significant
promise
feasibility
industrially‐compatible
P/S‐TSCs.
