Communications Materials,
Journal Year:
2024,
Volume and Issue:
5(1)
Published: May 21, 2024
Abstract
Perovskite
solar
cells
hold
promise
for
cost-effective,
high-efficiency
renewable
energy
generation;
yet
their
commercialization
is
hindered
by
progress
towards
scalable
fabrication
methods.
Roll-to-roll
processing
a
promising
solution
large-scale
production,
and
the
incorporation
of
coated
carbon
electrodes
offers
several
additional
advantages,
including
low-cost
manufacturing
high-stability.
Introducing
compatible
hole
transporting
layer
between
perovskite
significantly
improves
performance.
Here
we
present
study
comparing
four
interlayers
(Spiro-MeOTAD,
PTAA,
PEDOT,
P3HT)
in
printed
devices,
assessing
efficiency,
stability,
scalability.
Our
results
reveal
that
spiro-MeOTAD
PTAA
was
not
with
electrode
however
PEDOT
P3HT
showed
results.
Beyond
photovoltaic
performance,
comparison
terms
toxicity,
cost
reveals
can
be
superior
choice
scaling
up
manufacturing.
These
findings
offer
valuable
insights
optimizing
performance
production
via
roll-to-roll
printing.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Jan. 24, 2024
Abstract
Thermally
evaporated
C
60
is
a
near-ubiquitous
electron
transport
layer
in
state-of-the-art
p–i–n
perovskite-based
solar
cells.
As
perovskite
photovoltaic
technologies
are
moving
toward
industrialization,
batch-to-batch
reproducibility
of
device
performances
becomes
crucial.
Here,
we
show
that
commercial
as-received
(99.75%
pure)
source
materials
may
coalesce
during
repeated
thermal
evaporation
processes,
jeopardizing
such
reproducibility.
We
find
the
coalescence
due
to
oxygen
present
initial
powder
and
leads
formation
deep
states
within
bandgap,
resulting
systematic
decrease
cell
performance.
However,
further
purification
(through
sublimation)
99.95%
before
found
hinder
coalescence,
with
associated
being
fully
reproducible
after
processing.
verify
universality
this
behavior
on
perovskite/silicon
tandem
cells
by
demonstrating
their
open-circuit
voltages
fill
factors
remain
at
1950
mV
81%
respectively,
over
eight
processes
using
same
sublimed
material.
Notably,
one
these
achieved
certified
power
conversion
efficiency
30.9%.
These
findings
provide
insights
crucial
for
advancement
towards
scaled
production
high
process
yield.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: May 11, 2024
Can
Roll-to-Roll
technology
pave
the
way
for
perovskite
devices
to
transition
from
lab-scale
industrial
applications?
It
is
a
technique
that
has
potential
enhance
throughput,
reduce
costs,
and
accommodate
flexible
substrates.
In
system,
as
long
your
input
materials
are
continuously
topped
up,
manufacture
should
continue
indefinitely.
its
simplest
form
it
offers
premise
of
Ink-IN
/
Solar
module-OUT.
Through
this
comment,
we
emphasize
critical
need
ongoing
innovation
fully
harness
technology's
capabilities,
making
solar
energy
viable,
sustainable
option
on
global
scale.
(R2R)
coating
potentially
enhances
reduces
accommodates
substrates
fabricating
various
types
cells
modules.
Here,
authors
discuss
R2R
revolution
tackle
leap
photovoltaic
devices.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 19, 2024
Abstract
Narrow‐bandgap
(NBG)
Pb–Sn
perovskites
are
ideal
candidates
as
rear
subcell
in
all‐perovskite
tandem
solar
cells.
Because
contain
multiple
components,
the
rational
regulation
of
vertical
structure
and
both
interfaces
film
is
primarily
crucial
to
achieve
high‐performing
NBG
perovskite
cells
(PSCs).
Herein,
a
molecule
anchoring
strategy
developed
situ
construct
Cs
0.1
MA
0.3
FA
0.6
Pb
0.5
Sn
I
3
with
vertically
aligned
crystals
optimized
interfaces.
Specifically,
l
‐alanine
methyl
ester
an
additive
induce
crystal
growth,
while
PEA
2
PbI
SCN
introduced
promote
homogeneous
crystallization
at
buried
interface
via
SCN−
cations.
Further
ethylenediamine
dihalides
(EDA(I/Cl)
)
post‐treatment
leads
gradient
energy
level
alignment
on
surface.
PSCs
based
such
show
efficient
charge
transport
extraction,
producing
champion
power
conversion
efficiency
(PCE)
22.3%
impressive
fill
factor
82.14%.
Notably,
combining
semitransparent
1.78
eV
wide‐bandgap
PSCs,
four‐terminal
device
achieves
PCE
27.1%.
This
work
opens
up
new
pathway
boost
performance
their
devices.
Advanced Materials Technologies,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 20, 2025
Abstract
The
urgency
for
a
sustainable
mitigation
of
the
environmental
impacts
caused
by
climate
change
highlights
importance
renewable
energy
technologies
to
fight
this
challenge.
Perovskite
solar
cells
(PSCs)
emerge
as
promising
alternative
traditional
photovoltaic
(PV)
due
their
unprecedented
increase
in
efficiency
(currently
peaking
at
26.95%)
and
long‐term
stability
proven
successful
completion
industry
relevant
International
Electrotechnical
Commission
(IEC)
testing
standards.
Flexible
PSCs
(f‐PSCs)
offer
significant
advantages
such
lightweight
high
power‐per‐weight
ratio,
mechanical
flexibility,
throughput
roll‐to‐roll
(R2R)
manufacturing.
These
make
f‐PSCs
ideal
implementation
various
applications
areas,
wearable
electronics,
portable
devices,
space
PV,
building‐
or
automotive‐integrated
PVs,
more.
Notably,
efficiencies
over
23%
now
mark
milestone
f‐PSCs,
demonstrating
competitiveness
with
rigid
panels.
This
review
explores
breakthroughs
focusing
on
flexible
substrates,
electrode
materials,
perovskite
inks,
encapsulation
strategies.
It
also
covers
recent
advancements
studies
fabricated
scalable
deposition
methods
emphasizes
interfacial
engineering
enhancing
durability.
concludes
summary
key
findings,
remaining
challenges,
perspectives
market
uptake
f‐PSCs.
Advanced Energy and Sustainability Research,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 13, 2025
Self‐assembling
molecules
(SAM)
have
been
widely
used
in
inverted
perovskite
solar
cells
(PSC)
as
a
hole
transfer
layer
due
to
nearly
lossless
charge
giving
excellent
device
performance.
However,
the
energy
level
alignment
between
SAM‐
and
PSC‐related
interfaces
has
not
systematically
studied.
Herein,
2PACz,
typical
SAM
with
largest
dipole
moment,
is
chosen
model
system
studied
by
vacuum
deposition.
It
found
that
determined
orientation
of
2PACz
on
different
substrate.
The
are
lying
down
highly
oriented
pyrolytic
graphite
zero
interface
dipole.
On
solvent‐cleaned
plasma‐treated
indium
tin
oxide
(ITO)
substrates,
vertically
assembled
0.22
0.13
eV
work
function
increases,
respectively.
sputtered
ITO,
upside
orientation,
0.51
decrease.
change
strong
interaction
oxygen
vacancies
ITO
substrate
carbazole
head
group
2PACz.
film,
also
shows
slightly
upward
additional
passivation
free
MA
+
ions.
it
confirmed
plays
an
important
role
extraction.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(16), P. 10688 - 10725
Published: April 11, 2024
Metal-halide
perovskite
solar
cells
(PSCs),
an
emerging
technology
for
transforming
energy
into
a
clean
source
of
electricity,
have
reached
efficiency
levels
comparable
to
those
commercial
silicon
cells.
Compared
with
other
types
PSCs,
inverted
(IPSCs)
shown
promise
regard
commercialization
due
their
facile
fabrication
and
excellent
optoelectronic
properties.
The
interlayer
interfaces
play
important
role
in
the
performance
cells,
not
only
affecting
charge
transfer
transport,
but
also
acting
as
barrier
against
oxygen
moisture
permeation.
Herein,
we
describe
summarize
last
three
years
studies
that
advantages
interface
engineering-based
advances
IPSCs.
This
review
includes
brief
introduction
structure
working
principle
IPSCs,
analyzes
how
affect
IPSC
devices
from
perspective
photovoltaic
device
lifetime.
In
addition,
comprehensive
summary
various
engineering
approaches
solving
these
problems
challenges
including
use
interlayers,
modification,
defect
passivation,
others,
is
summarized.
Moreover,
based
upon
current
developments
breakthroughs,
fundamental
perspectives
on
future
pathways
are
provided
innovation
design
next-generation
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 31, 2024
The
planar
triple-layer
hole
transport
layer
(HTL)-free
carbon-based
perovskite
solar
cells
(C-PSCs)
have
outstanding
advantages
of
low
cost
and
high
stability,
but
are
limited
by
efficiency.
formation
a
3D/2D
heterojunction
has
been
widely
proven
to
enhance
device
performance.
However,
the
2D
possesses
multiple
critical
properties
associated
with
3D
perovskite,
including
defect
passivation,
energy
level,
charge
properties,
all
which
can
impact
It
is
challenging
find
powerful
means
achieve
comprehensive
regulation
trade-off
these
key
properties.
Herein,
we
propose
chain-length
engineering
alkylammonium
spacer
cations
this
goal.
results
show
that
formed
short-chain
primarily
acts
passivate
defects.
With
increase
in
cation
chain
length,
achieves
more
matched
level
enhancing
built-in
electric
field
promoting
separation.
further
length
impedes
due
insulativity
organic
cations.
Comprehensively,
tetradecylammonium
optimal
balance
interface
separation,
transport.
HTL-free
C-PSCs
exhibit
new
record
efficiency
20.40
%
(certified
20.1
%).
Communications Materials,
Journal Year:
2024,
Volume and Issue:
5(1)
Published: July 23, 2024
Abstract
In
the
last
decade,
laboratory-scale
single-junction
perovskite
solar
cells
have
achieved
a
remarkable
power
conversion
efficiency
exceeding
26.1%.
However,
transition
to
industrial-scale
production
has
unveiled
significant
gap.
The
central
challenge
lies
in
difficulty
of
achieving
uniform,
high-quality
films
on
large
scale.
To
tackle
this
issue,
various
innovative
strategies
for
manipulating
crystallization
emerged
recent
years.
Based
an
in-depth
fundamental
understanding
nucleation
and
growth
mechanisms
large-area
prepared
through
blade/slot-die
coating
methods,
review
offers
critical
examination
manipulation
modules.
Lastly,
we
explore
future
avenues
aimed
at
enhancing
stability
PSMs,
thereby
steering
field
toward
commercially
viable
applications.