Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 1, 2025
Abstract
Perovskite
solar
cells
(PSCs)
have
shown
remarkable
progress
in
laboratory‐scale
devices,
but
their
scalability
to
large‐area
perovskite
modules
(PSMs)
remains
challenging
due
significant
performance
loss.
Here,
a
multi‐site
passivation
strategy
is
reported
by
employing
Bis(2,5‐dioxopyrrolidin‐1‐yl)
2,2′‐(propane‐2,2‐diylbis(sulfanediyl))
diacetate
(TK‐NHS)
as
an
interfacial
modifier
address
the
critical
issues
of
interface
recombination
and
stability
both
PSCs
PSMs.
TK‐NHS
effectively
inactivates
common
defects,
modifying
surface
films
through
synergistical
interactions.
Additionally,
stable
dipole
layer
formed
at
optimizes
energy
level
alignment,
facilitating
efficient
electron
extraction
transport.
The
resulting
film
exhibited
smoother
more
homogeneous
surface,
thus
improving
contact
reducing
nonradiative
recombination.
Consequently,
TK‐NHS‐treated
achieved
champion
power
conversion
efficiency
(PCE)
26.16%,
with
significantly
improved
open‐circuit
voltage
(
V
oc
)
1.188
fill
factor
(FF)
85.3%.
scalable
potential
this
has
been
verified
corresponding
PSMs,
delivering
impressive
PCE
22.25%.
Notably,
devices
exceptional
operational
stability,
retaining
91.4%
90%
initial
after
1000
800
h
continuous
illumination,
respectively.
Thereby
advancing
scaled‐up
production
modules.
Journal of the American Chemical Society,
Год журнала:
2024,
Номер
146(19), С. 13391 - 13398
Опубликована: Май 1, 2024
Inverted
p-i-n
perovskite
solar
cells
(PSCs)
are
easy
to
process
but
need
improved
interface
characteristics
with
reduced
energy
loss
prevent
efficiency
drops
when
increasing
the
active
photovoltaic
area.
Here,
we
report
a
series
of
poly
ferrocenyl
molecules
that
can
modulate
surface
enabling
construction
small-
and
large-area
PSCs.
We
found
perovskite–ferrocenyl
interaction
forms
hybrid
complex
enhanced
coordination
strength
activated
electronic
states,
leading
lower
interfacial
nonradiative
recombination
charge
transport
resistance
losses.
The
resulting
PSCs
achieve
an
up
26.08%
for
small-area
devices
24.51%
(1.0208
cm2).
Moreover,
maintain
>92%
initial
after
2000
h
continuous
operation
at
maximum
power
point
under
1-sun
illumination
65
°C.
Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 5, 2025
Abstract
The
interfaces
of
each
layer
in
perovskite
solar
cells
(PSCs)
have
a
significant
impact
on
the
charge
transfer
and
recombination.
Especially,
interface
between
hole
transport
(HTL)
p‐i‐n
type
PSCs
significantly
affects
contact
characteristics
HTL
perovskite,
hindering
further
improvements
performance
stability.
Herein,
small
molecule
9‐Fluorenylmethoxycarbonyl
chloride
(9‐YT)
is
introduced
as
bridge
for
PSCs,
which
enhances
interaction
self‐assembly
molecules
(SAMs)
perovskite.
conjugated
backbone
9‐YT
can
interact
with
SAM
(MeO‐2PACz)
by
π–π
stacking
reaction.
Moreover,
also
improves
interfacial
through
strong
interactions
where
carbonyl
groups
Cl
atoms
uncoordinated
Pb
2+
layer.
incorporation
demonstrated
to
markedly
enhance
extraction
at
perovskite/hole
interface,
optimize
energy
level
alignment,
mitigate
recombination,
passivate
defects
Finally,
device
treated
achieves
power
conversion
efficiency
(PCE)
24.82%.
At
same
time,
still
maintain
92.6%
original
PCE
after
long‐term
stability
test
1200
h.
Flexible
perovskite
solar
cells
(f-PSCs)
are
considered
the
most
promising
candidates
in
portable
power
applications.
However,
high
sensitivity
of
crystallization
on
substrate
and
intrinsic
brittleness
usually
trade
off
performance
f-PSCs.
Herein,
we
introduced
an
initiator-free
cross-linkable
monomer
(2,5-dioxopyrrolidin-1-yl)
5-(dithiolan-3-yl)pentanoate
(FTA),
which
can
chemically
passivate
defects
enable
real-time
fine
regulation
crystallization.
The
resulting
film
exhibited
higher
crystallinity,
enlarged
grain
size,
reduced
dependence
substrate.
In
addition,
cross-linked
FTA
[CL(FTA)]
distributed
along
boundaries
effectively
released
residual
stress
securely
bound
grains
together.
Consequently,
CL(FTA)-modified
flexible
PSCs
achieved
a
record-breaking
efficiency
24.64%
(certified
24.08%).
Moreover,
scalable
potential
has
been
verified
by
corresponding
rigid
modules,
delivering
impressive
efficiencies
19.53
17.13%,
respectively.
Furthermore,
optimized
device
demonstrated
bending
durability
improved
operational
stability,
thereby
advancing
progress
f-PSCs
toward
industrialization.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(46)
Опубликована: Июнь 27, 2024
Abstract
The
meticulous
control
of
crystal
facets
in
polycrystalline
perovskite
films
offers
valuable
insights
into
the
photoelectric
properties,
varying
significantly
with
different
orientations.
Exploring
effective
means
to
regulate
these
is
crucial,
and
further
revealing
underlying
mechanisms
needed.
Here,
research
employed
green
solution
bathing
obtain
high‐quality
preferred
crystallographic
orientation.
In
brief,
eco‐friendly
2‐pentanol
used
as
solvent,
functional
molecules
2‐(dimethylaminomethyl)‐4‐(2‐aminoethylthiomethyl)thiazole
(DAT)
are
introduced
solute.
By
introducing
DAT
molecules,
precise
over
nucleation
kinetics
achieved,
resulting
a
preferential
(100)
facet
Conversely,
without
exhibited
distinct
(111)
regulation
on
film
verified
through
theoretical
analyses.
Theoretical
calculations
show
that
S
atom
binds
most
strongly
FAPbI
3
,
promoting
surface
energy
reduction
thermodynamic
enhancement,
favoring
Crystallographic
characterization
proved
effect.
addition,
PL/TRPL
tests
confirm
superior
properties
(100)‐oriented
films.
work
introduces
novel
approach
preparation
process
for
regulating
orientation
Nano-Micro Letters,
Год журнала:
2024,
Номер
17(1)
Опубликована: Сен. 22, 2024
Abstract
Two-terminal
(2-T)
perovskite
(PVK)/CuIn(Ga)Se
2
(CIGS)
tandem
solar
cells
(TSCs)
have
been
considered
as
an
ideal
cell
because
of
their
best
bandgap
matching
regarding
to
Shockley–Queisser
(S–Q)
limits.
However,
the
nature
irregular
rough
morphology
commercial
CIGS
prevents
people
from
improving
device
performances.
In
this
paper,
D-homoserine
lactone
hydrochloride
is
proven
improve
coverage
PVK
materials
on
surfaces
and
also
passivate
bulk
defects
by
modulating
growth
crystals.
addition,
minority
carriers
near
PVK/C60
interface
incompletely
passivated
trap
states
caused
recombination.
A
surface
reconstruction
with
2-thiopheneethylammonium
iodide
N
,
-dimethylformamide
assisted
passivates
defect
sites
located
at
grain
boundaries.
Meanwhile,
LiF
used
create
field
effect,
repelling
hole
away
C60
thus
reducing
As
a
result,
2-T
PVK/CIGS
yielded
power
conversion
efficiency
24.6%
(0.16
cm
),
one
highest
results
for
TSCs
our
knowledge.
This
validation
underscores
potential
methodology
in
achieving
superior
performance
cells.
Advanced Materials,
Год журнала:
2024,
Номер
36(49)
Опубликована: Сен. 23, 2024
Abstract
Perovskite/organic
tandem
solar
cells
(POTSCs)
have
garnered
significant
attention
due
to
their
potential
for
achieving
high
photovoltaic
(PV)
performance.
However,
the
reported
power
conversion
efficiencies
(PCEs)
and
fill
factors
(FFs)
are
still
subpar
challenges
associated
with
charge
extraction
in
organic
bulk‐heterojunction
(BHJ)
energy
losses
interconnecting
layers
(ICLs).
Here,
a
quaternary
BHJ
blend
is
developed
enhance
subcell,
contributing
an
increased
FF
of
≥78%
under
1
sun
illumination
even
more
lower
intensities.
Meanwhile,
ICLs
reduced
via
incorporation
self‐assembly
monolayer
(SAM),
(4‐(3,6‐Dimethyl‐9H‐carbazol‐9‐yl)butyl)phosphonic
acid
(Me‐4PACz),
form
MoO
x
/SAM
interface
thorough
control
thickness
suppress
parasitic
absorption.
The
resultant
POTSCs
achieve
remarkable
PCE
25.56%
(certified:
24.65%),
record
83.62%,
which
among
highest
PCEs
all
types
perovskite‐based
(TSCs)
till
now.
This
work
proves
optimization
effective
strategies
promote
performance
surpass
other
solution‐processed
TSCs
near
future.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 2, 2025
Abstract
Perovskite/silicon
tandem
solar
cells
(TSCs)
are
promising
candidates
for
commercialization
due
to
their
outstanding
power
conversion
efficiencies
(PCEs).
However,
controlling
the
crystallization
process
and
alleviating
phases/composition
inhomogeneity
represent
a
considerable
challenge
perovskite
layers
grown
on
rough
silicon
substrates,
ultimately
limiting
efficiency
stability
of
TSC.
Here,
this
study
reports
“halide
locking”
strategy
that
simultaneously
modulates
nucleation
crystal
growth
wide
bandgap
perovskites
by
introducing
multifunctional
ammonium
salt,
thioacetylacetamide
hydrochloride
(TAACl),
bind
with
all
types
cations
anions
in
mixed
halide
precursor.
The
approach
not
only
enables
excellent
compositional
uniformity
wet‐film
stage
but
also
induces
preferred
orientation
along
(001)
plane
following
nucleation,
leading
enhanced
homogeneity
film
both
vertical
horizontal
directions
over
long‐length
scales.
resulting
wide‐bandgap
yield
exceptional
open‐circuit
voltage‐fill
factor
products
(
V
OC
×
FF)
1.074
1.040
small‐
(0.0414
cm
2
)
large‐area
(1.0208
devices,
respectively.
Corresponding
based
Tunnel
Oxide
Passivated
Contact
(TOPCon)
subcells
achieve
record
PCE
31.32%
remarkable
1.931
FF
81.54%.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 7, 2025
Abstract
Defective
perovskite
surfaces
severely
limit
the
development
of
inverted
solar
cells
(PSCs).
Here,
impacts
surface
treatment
are
systematically
investigated
with
organic
ammonium
salts,
namely
piperidinium
iodide
(PpI)
and
piperazinedihydroiodide
(PDI),
on
performance
formamidinium‐cesium
(FACs)‐based
PSCs.
These
results
indicate
that
PpI,
its
high
dipole
moment,
tends
to
form
1D
structures
surface,
which
hinders
electron
transport.
By
contrast,
PDI
post‐treatment
does
not
lead
formation
such
structures;
instead,
it
forms
a
thin
passivation
layer
homogenizes
electric
potential
across
surface.
This
merit
in
favorable
alignment
energy
levels
significant
reduction
non‐radiative
recombination
at
perovskite/electron
transport
interface.
As
result,
module
(PSM)
achieved
power
conversion
efficiency
(PCE)
22.08%
an
aperture
area
11.1
cm
2
(certified
21.58%),
showing
low‐efficiency
discrepancy
versus
small‐area
counterpart
25.09%.
Notably,
PSM
can
maintain
92.5%
initial
PCE
after
continuous
1000
h
1‐sun
operation
65
°C
ambient
air.
The
power-conversion
efficiency
(PCE)
of
perovskite
solar
cells
(PSCs)
has
exceeded
in
2024
the
theoretical
single-junction
Shockley-Queisser
limit
33.7%
with
perovskite/silicon
tandem
version.
commercialization
technology
is
now
a
reality
PV
industry
demonstrating
its
first
commercial
products.
Many
companies
have
shown
excellent
module
reliability
most
them
passing
IEC
standardization
(required
for
silicon
cells).
In
this
article,
we
want
to
bring
some
light
on
intriguing
question
regarding
stability
and
PSC
technology:
Are
there
yet?
Issues
are
still
under
strong
investigation
research
topic
increased
exponentially
last
10
years.
Since
already
promised
their
modules,
80%
retention
initial
PCE
after
25
years,
following
two
or
three
years
will
be
crucial
demonstrate
these
pledges.
work,
present
an
outline
stable
devices
reported
date
discuss
important
strategies
leading
highly
devices.
online
version
contains
supplementary
material
available
at
10.1557/s43577-025-00863-5.