Progress in Photovoltaics Research and Applications,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 25, 2025
ABSTRACT
The
employment
of
rationally
designed
functional
group‐bearing
molecules
as
additives
to
passivate
perovskite
defects
has
emerged
a
prevalent
trend.
Among
the
diverse
array
passivation
materials,
donor‐π‐acceptor
(D‐π‐A)
structured
have
attracted
widespread
attention
due
their
unique
ability
simultaneously
regulate
electron
donor
and
acceptor
units,
thereby
promoting
coordination
with
undercoordinated
ions
films.
In
this
work,
we
introduce
an
indoline‐based
D‐π‐A
molecule
(labeled
IHT)
efficient
passivator
for
solar
cells
(PSCs).
extraordinary
electron‐donating
capability
indoline
moiety
endows
electron‐withdrawing
cyanoacetic
acid
group
elevated
density,
which
is
in
favor
interaction
under‐coordinated
Pb
2+
lattice,
thus
reducing
density
defective
states
within
Experimental
outcomes
underscore
efficacy
IHT
additive
passivating
CsFA‐based
PSCs.
optimal
devices
demonstrate
remarkable
champion
photovoltaic
conversion
efficiency
21.25%,
notable
improvement
7.4%
compared
Cs‐FA‐PbI
3
devices.
stability
assessments
reveal
that
unencapsulated
IHT‐treated
retained
83%
initial
after
30
days
ambient
air,
whereas
untreated
exhibited
decline
54%
under
same
condition.
This
work
indicates
profound
significance
formation
dense
film
effect
well
enhancing
long‐term
Small Methods,
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 9, 2024
Abstract
While
the
2D/3D
heterojunction
is
an
effective
method
to
improve
power
conversion
efficiency
(PCE)
of
perovskite
solar
cells
(PSCs),
carriers
are
often
confined
in
quantum
wells
(QWs)
due
unique
structure
2D
perovskite,
which
makes
charge
transport
along
out‐of‐plane
direction
difficult.
Here,
a
ferroelectric
formed
by
4,4‐difluoropiperidine
hydrochloride
(2FPD)
inverted
PSCs
reported.
The
enriched
2
PbI
4
layer
with
n
=
1
on
surface
exhibits
response
and
has
oriented
dipoles
direction.
ferroelectricity
dipole
facilitates
enhancement
built‐in
electric
field
(1.06
V)
delay
cooling
process
hot
carriers,
reflected
high
carrier
temperature
(above
1400
K)
prolonged
photobleach
recovery
time
(139.85
fs,
measured
at
bandgap),
improving
conductivity.
In
addition,
alignment
energy
levels
optimized
exciton
binding
(32.8
meV)
reduced
changing
dielectric
environment
surface.
Finally,
2FPD‐treated
achieve
PCE
24.82%
(certified:
24.38%)
synergistic
effect
defect
passivation,
while
maintaining
over
90%
their
initial
after
1000
h
maximum
point
tracking.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 25, 2025
Abstract
Microscale
imperfections
and
inhomogeneity
at
buried
interface
leads
to
energy
losses
insufficient
carrier
extraction
of
wide
bandgap
(WBG)
perovskite
solar
cells
(PSCs).
Here,
we
report
a
collaborative
strategy
by
introducing
3‐aminopropanoic
acid
(3‐APA)
mix
with
[4‐(3,6‐dimethyl‐9H‐carbazol‐9‐yl)butyl]phosphonic
(Me‐4PACz)
as
hole‐selective
self‐assembled
monolayer
(SAM).
With
the
addition
3‐APA,
wettability
precursors
is
increased.
Furthermore,
film
morphology
heterogeneity
improved.
As
result,
nonradiative
recombination
interfacial
loss
are
greatly
suppressed.
This
also
marginally
higher
ionization
potential
monolayers,
approximating
valence
band
film.
Benefits
from
suppressed
charge
transfer
loss,
mixed
SAM
present
overcome
passivation
transport
trade‐off,
delivering
V
OC
×
FF
84.5%
S–Q
limit.
The
combine
benefits
enable
efficient
1.67
eV
WBG
PSCs
power
conversion
efficiency
22.4%
high
open
circuit
voltage
1.255
fill
factor
85.5%.
Under
strategy,
demonstrat
all‐perovskite
tandem
28.4%.
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.
ACS Energy Letters,
Journal Year:
2024,
Volume and Issue:
9(9), P. 4283 - 4292
Published: Aug. 7, 2024
There
is
a
significant
challenge
of
charge
recombination
at
the
perovskite/electron
transport
layer
(ETL),
coupled
with
need
optimized
interface
transfer
in
inverted
perovskite
solar
cells
(PSCs).
In
this
work,
an
organometallic
ferrocene-based
molecule,
ferrocenyl-bis-thieno[3,2-b]thiophene-2-carboxylate
(FcTTPc),
inherent
carboxylate
and
thiophene
functionalities
surrounding
central
ferrocene
motif,
meticulously
designed
synthesized
for
modification
perovskite/ETL
interface.
The
groups
FcTTPc
molecule
interact
strongly
components,
effectively
passivating
defects.
Furthermore,
group
can
engage
robust
π–π
interactions
ETL,
thereby
enhancing
transport.
Following
FcTTPc,
improved
alignment
energy
levels
achieved,
significantly
optimizing
carrier
Due
to
via
champion
PSC
achieves
PCE
25.39%.
FcTTPc-modified
devices
maintained
over
96%
their
initial
efficiency
under
40%
relative
humidity
conditions
1500
h.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(41)
Published: Aug. 15, 2024
Abstract
The
p‐
or
n‐type
property
of
semiconductor
materials
directly
determine
the
final
performance
photoelectronic
devices.
Generally,
perovskite
deposited
on
p‐type
substrate
tends
to
be
p‐type,
while
n‐type.
Motived
by
this,
a
substrate‐induced
re‐growth
strategy
is
reported
induce
n‐transition
surface
in
inverted
solar
cells
(PSCs).
film
obtained
and
crystallized
first.
Then
an
ITO/SnO
2
with
saturated
solution
pressed
onto
annealed
secondary
region.
As
result,
transition
happens
induces
extra
junction
at
region,
thus
enhancing
built‐in
potential
promoting
carrier
extraction
PSCs.
Resulting
PSCs
exhibit
high
efficiency
over
25%
good
operational
stability,
retaining
90%
initial
after
maximum
power
point
(MPP)
tracking
for
800
h
65
°C
ISOS‐L‐2
protocol.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 8, 2024
The
organic-inorganic
lead
halide
per
materials
have
emerged
as
highly
promising
contenders
in
the
field
of
photovoltaic
technology,
offering
exceptional
efficiency
and
cost-effectiveness.
commercialization
perovskite
photovoltaics
hinges
on
successfully
transitioning
from
lab-scale
solar
cells
to
large-scale
modules
(PSMs).
However,
PSMs
significantly
diminishes
with
increasing
device
area,
impeding
commercial
viability.
Central
achieving
high-efficiency
is
fabricating
uniform
functional
films
optimizing
interfaces
minimize
energy
loss.
This
review
sheds
light
path
toward
PSMs,
emphasizing
pivotal
role
integrating
cutting-edge
scientific
research
industrial
technology.
By
exploring
scalable
deposition
techniques
optimization
strategies,
advancements
challenges
large-area
are
revealed.
Subsequently,
architecture
contact
delved
while
addressing
pertinent
interface
issues.
Crucially,
loss
during
scale-up
stability
risks
encountered
by
analyzed.
Furthermore,
efforts
highlighted,
perspective
revolutionizing
renewable
energy.
highlighting
technical
developing
importance
combining
science
industry
drive
their
industrialization
pave
way
for
future
stressed.