Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 3, 2024
Abstract
The
high
defect
density
and
inferior
crystallinity
remain
great
hurdles
for
developing
highly
efficient
stable
Sn‐based
perovskite
solar
cells
(PSCs).
2D/3D
heterostructures
show
strong
potential
to
overcome
these
bottlenecks;
however,
a
limited
diversity
of
organic
spacers
has
hindered
further
improvement.
Herein,
novel
alicyclic
spacer,
morpholinium
iodide
(MPI),
is
reported
structurally
stabilized
perovskite.
Introducing
secondary
ammonium
ether
group
in
2D
enhances
its
rigidity,
which
leads
increased
hydrogen
bonding
intermolecular
interaction
within
These
strengthened
interactions
facilitate
the
formation
oriented
with
low
structural
disorder,
effective
passivation
Sn
I
defects.
Consequently,
MP‐based
PSCs
achieved
power
conversion
efficiency
(PCE)
12.04%
superior
operational
oxidative
stability.
This
work
presents
new
insight
into
design
PSCs.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 23, 2024
Abstract
Various
popular
large
organic
cations
have
been
extensively
used
as
the
essential
additives
in
perovskite
precursor
solution
due
to
their
satisfactory
passivation
effect
but
may
produce
low‐n
value
(n
≤
2)
2D
phases
with
undesired
distribution.
Meanwhile,
remaining
easy
oxidation
of
Sn
2+
and
p‐type
self‐doping
perovskites
are
also
detrimental
ultimate
photovoltaic
properties
stability
tin
(Sn)‐based
solar
cells
(PSCs).
Here,
3AMPYSnI
4
crystals
(3AMPY
=
3‐(aminomethyl)pyridinium))
designed
applied
adjust
crystallization
process
phase
distribution
Sn‐based
perovskite.
Consequently,
strong
coordination
interaction
between
3AMPY
3D
components
introduced
nucleation
sites
by
not
only
decreases
increases
phase,
inhibits
self‐p‐doping
perovskites,
resulting
lower
trap
density
non‐radiative
recombination
loss,
faster
carrier
extraction
transfer,
higher
for
2D‐3D
PSCs.
As
a
result,
optimized
devices
deliver
an
increased
power
conversion
efficiency
from
initial
10.91%
13.28%
retain
96.0%
original
performance
more
than
3000
h
nitrogen
(N
2
)
atmosphere.
Cell Reports Physical Science,
Journal Year:
2024,
Volume and Issue:
5(10), P. 102245 - 102245
Published: Oct. 1, 2024
SummaryThe
advent
of
metal-halide
perovskite
solar
cells
has
revolutionized
the
field
photovoltaics.
The
high
power
conversion
efficiencies
exceeding
26%
at
laboratory
scale—mild
temperature
processing,
possibility
fabrication
on
multiple
substrates,
and
easy
composition-dependent
band-gap
tunability
make
perovskites
suitable
for
both
single-junction
tandem-multijunction
cells.
They
are
attractive
in
various
applications,
from
utility-scale
to
building-integrated
indoor
To
bring
maturity,
next
big
step
is
funnel
efforts
into
developing
reproducible
high-quality
materials
via
high-throughput
manufacturing,
addressing
issues
inherent
material
instability.
Another
key
issue
environmental
sustainability
associated
with
presence
lead.
In
this
perspective,
a
special
focus
placed
real-world
applications
photovoltaics,
starting
selection
deposition
techniques
finally
discussing
stability
how
improve
it
toward
wider
industrialization.Graphical
abstract
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 3, 2024
Abstract
Perovskite
photovoltaics
have
attracted
significant
attention
in
both
academia
and
industry,
benefiting
from
the
superiorities
of
high
efficiency,
low
cost,
simplified
fabrication
process.
Importantly,
long‐term
stability
is
essential
for
practical
industrialization;
however,
challenge
remains
a
impediment.
Notably,
an
prerequisite
applications.
Unfortunately,
as
device
area
increases,
even
to
module
level,
efficiency
gradually
diminishes,
deteriorates.
This
review
summarizes
advances
perovskite
photovoltaic
technology
comprehensive
perspectives,
including
atomic‐scale,
grain
boundary,
film
morphology,
interface,
charge
transport
layer,
electrode,
laser
etching,
encapsulation.
First,
highlights
ongoing
importance
industrialization
photovoltaics.
Then,
presents
explores
relationship
between
large‐area
modules,
shedding
light
on
issue.
Later,
explains
issue
terms
structure,
chemistry,
interfaces,
design,
operation,
external
environment,
proposes
strategies
ranging
atomic‐scale
Finally,
emphasizes
various
improvement
strategies,
particularly
multilevel
synergistic
optimization,
offering
fundamental
guidance
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 3, 2024
Abstract
The
high
defect
density
and
inferior
crystallinity
remain
great
hurdles
for
developing
highly
efficient
stable
Sn‐based
perovskite
solar
cells
(PSCs).
2D/3D
heterostructures
show
strong
potential
to
overcome
these
bottlenecks;
however,
a
limited
diversity
of
organic
spacers
has
hindered
further
improvement.
Herein,
novel
alicyclic
spacer,
morpholinium
iodide
(MPI),
is
reported
structurally
stabilized
perovskite.
Introducing
secondary
ammonium
ether
group
in
2D
enhances
its
rigidity,
which
leads
increased
hydrogen
bonding
intermolecular
interaction
within
These
strengthened
interactions
facilitate
the
formation
oriented
with
low
structural
disorder,
effective
passivation
Sn
I
defects.
Consequently,
MP‐based
PSCs
achieved
power
conversion
efficiency
(PCE)
12.04%
superior
operational
oxidative
stability.
This
work
presents
new
insight
into
design
PSCs.
