ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(42), С. 57239 - 57245
Опубликована: Окт. 11, 2024
Tin
perovskites
present
promising
alternatives
to
lead
perovskites,
offering
comparable
optoelectronic
properties
alongside
environmentally
friendly
characteristics.
However,
the
rapid
crystallization
and
easy
oxidation
of
Sn2+
poor
film
quality,
further
constraining
device
performance.
Here,
4-hydroxypyridine
(4-HP)
is
introduced
into
tin
perovskite
precursor
for
fabrication
high-quality
films.
4-HP
could
modulate
colloidal
size
prenucleation
clusters
in
precursor,
thus
inducing
fast
nucleation
retarding
crystal
growth
rate
through
formation
chemical
interaction
between
nitrogen
pyridine
ions.
Furthermore,
hydroxyl
group
on
ring
contributes
suppressing
Sn2+.
As
a
result,
power
conversion
efficiency
(PCE)
devices
based
increases
up
11.3%.
The
stability
unencapsulated
shows
significant
improvement,
retaining
100%
their
initial
PCEs
after
2000
h
storage
N2
with
50–100
ppm
O2.
This
research
presents
novel
approach
synchronized
regulation
suppression
oxidation.
Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 5, 2025
Abstract
The
complete
phase
transition
from
DMAPbI
3
and
Cs
4
PbI
6
intermediates
to
the
final
CsPbI
perovskite
is
pivotal
for
fabricating
high‐quality
inorganic
films.
In
this
study,
reaction
energy
barrier
between
sought
be
reduced
by
increasing
their
surface
energy,
where
a
perfluorinated
compound
designed
using
DFT
modeling
saturate
of
effectively
prevent
crystalline
growth.
Consequently,
smaller
with
ultrahigh
react
more
energetically
facilitate
rapid
conversion
desired
phase.
It
found
that
resultant
shows
improved
crystallinity
morphology,
as
demonstrated
suppressed
non‐radiative
recombination
prolonged
carrier
lifetimes.
As
result,
optimized
solar
cells
(PSCs)
achieve
power
efficiency
(PCE)
over
20%,
along
significantly
light
thermal
stability.
This
work
provides
way
regulate
crystallization
dynamics
advanced
quality
perovskites.
Abstract
Recent
advances
in
wide‐bandgap
(WBG)
perovskite
solar
cells
(PSCs)
demonstrate
a
burgeoning
potential
to
significantly
enhance
photovoltaic
efficiencies
beyond
the
Shockley–Queisser
limit
for
single‐junction
cells.
This
review
explores
multifaceted
improvements
WBG
PSCs,
focusing
on
novel
compositions,
halide
substitution
strategies,
and
innovative
device
architectures.
The
of
iodine
with
bromine
organic
ions
such
as
FA
MA
Cs
lattice
is
emphasized
its
effectiveness
achieving
higher
open‐circuit
voltages
reduced
thermalization
losses.
Furthermore,
integration
advanced
charge
transport
layers
interface
engineering
techniques
discussed
critical
minimizing
voltage
(
V
OC
)
deficits
improving
photo‐stability
these
utilization
PSCs
diverse
applications
semitransparent
devices,
indoor
photovoltaics,
multijunction
tandem
devices
also
explored,
addressing
both
their
current
limitations
solutions.
culminates
comprehensive
assessment
challenges
impeding
industrial
scale‐up
PSC
technology
offers
perspective
future
research
directions
aimed
at
realizing
highly
efficient
stable
commercial
applications.
Meeting
future
energy
demands
with
sustainable
sources
like
photovoltaics
(PV)
presents
significant
land
and
logistical
challenges,
which
can
be
mitigated
by
improving
PV
power
conversion
efficiency
(PCE)
decentralized
solutions
building-integrated
solar-integrated
mobility
systems
(e.g.,
Unmanned
Aerial
Vehicles
(UAVs)).
Metal
Halide
Perovskites
Solar
Cells
(MH-PSCs)
provide
a
transformative,
low-cost
solution
for
high-efficiency
diverse
compositions,
exceptional
optoelectronic
properties,
low-temperature,
solution-based
processability.
Conventionally
the
MH-PSCs
are
fabricated
in
"p-i-n"
or
"n-i-p"
configuration
on
glass-Transparent
Conductive
Oxide
(TCO)
substrates.
While
glass-based
Perovskite
(PSCs)
have
achieved
remarkable
efficiencies,
their
limited
scalability,
high
areal-weight,
mechanical
rigidity
greatly
limit
usage
wearables
electronics,
BIPVs,
e-mobility
applications.
Addressing
these
challenges
requires
"targeted
architectural
innovations"
MH-PSCs,
tailored
to
specific
applications,
drive
practical
deployment
forward.
This
study
reviews
four
innovative
PSC
architectures-Interdigitated
Back
Contact
(IBC)
PSCs,
Lateral
Configuration
(LC)
Fiber-Shaped
(FS)
Substrate-Configuration
(SC)
PSCs-highlighting
design
advancements
enhanced
efficiency,
flexibility,
lightweight,
application-specific
integration.
Importantly,
review
discusses
precise
engineering
required
each
layer
of
innovations
ensure
compatibility,
efficient
charge
transport,
durability,
scalability
while
optimizing
performance,
also
identifying
key
outlining
directions
R&D.
Chemical Society Reviews,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 23, 2024
Coordination
engineering
via
developing
various
heteroatomic
molecules
has
enabled
Sn-based
perovskite
solar
cells
with
efficiency
approaching
16%
and
robust
stability.
This
review
summarizes
the
fundamentals,
advances,
prospects
of
this
topic.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 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.
Angewandte Chemie,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 12, 2025
Abstract
The
integration
of
organic
dyes
in
perovskite
solar
cells
(PSCs)
to
utilize
near‐infrared
(NIR)
photons
remains
a
challenge.
In
this
study,
selenium‐incorporated
ortho‐benzodipyrrole‐based
NIR
dye
CB‐2Se
was
developed.
CB‐2Se,
featuring
lower
bandgap
1.35
eV,
blended
with
PCBM
form
bulk‐heterojunction
layer
PSCs
for
electron
extraction
and
transport.
Compared
Y6‐16
acceptor,
the
removal
Tz
unit
suppresses
self‐aggregation,
improving
its
compatibility
PCBM.
A
CB‐2Se:PCBM‐incorporated
PSC
achieved
remarkable
power
conversion
efficiency
(PCE)
25.18%
V
OC
1.164
V,
J
SC
25.71
mA/cm
2
,
Fill
Factor
84.15%,
outperforming
that
PCBM‐only
reference
device
(24.35%)
PCBM:Y6‐16‐based
(24.49%).
PCBM:CB‐2Se
enhanced
long‐term
stability
PSCs,
retaining
88%
initial
after
1000
h
under
ambient
air
thermal
conditions.
photophysical
interactions
between
have
been
comprehensively
investigated
by
using
femtosecond
transient
absorption
spectroscopy.
Ultrafast
exciton
separation
into
free
charges
occurs
within
200
femtoseconds
at
interfaces
CB‐2Se.
For
first
time,
transfer
holes
from
back
detected,
providing
valuable
insights
charge
dynamics
utilizing
dyes.
Recent
advances
in
tin-based
perovskite
solar
cells
(TPSCs)
have
yielded
significant
gains
power
conversion
efficiency
(PCE),
yet
progress
on
wide-bandgap
(WBG)
tin
perovskites
remains
limited,
primarily
due
to
the
complexities
of
halogen
composition
tuning
and
associated
phase
segregation.
Here,
a
composition-independent
strategy
is
presented
for
realizing
WBG
TPSCs
by
partially
substituting
formamidinium
with
dimethylammonium
(DMA)
A-site
lattice.
This
substitution
expands
lattice,
widening
bandgap
from
1.63
1.72
eV
without
requiring
additional
bromine.
Comprehensive
structural
optical
analyses
reveal
enhanced
crystallinity,
reduced
strain,
improved
film
morphology.
Furthermore,
ultraviolet
photoelectron
spectroscopy
confirms
band
alignment
hole
transport
layer,
enabling
more
efficient
charge
extraction.
By
employing
dielectric/metal/dielectric
transparent
electrode,
semi-transparent
(ST-TPSCs)
are
fabricated
PCE
10.37%
high
near-infrared
transmittance,
which
well-suited
tandem
applications.
Stacking
this
ST-TPSC
narrow-bandgap
TPSC
yields
first
four-terminal,
lead-free
device,
achieving
combined
15.02%.
These
findings
show
that
DMA
incorporation
effectively
addresses
challenges
relying
adjustments,
providing
robust
pathway
toward
high-efficiency,
eco-friendly
photovoltaics
highlighting
promise
next-generation
cells.
