Nano-Micro Letters,
Год журнала:
2023,
Номер
15(1)
Опубликована: Июль 7, 2023
Abstract
Design
and
modification
of
interfaces
have
been
the
main
strategies
in
developing
perovskite
solar
cells
(PSCs).
Among
interfacial
treatments,
dipole
molecules
emerged
as
a
practical
approach
to
improve
efficiency
stability
PSCs
due
their
unique
versatile
abilities
control
properties.
Despite
extensive
applications
conventional
semiconductors,
working
principles
design
dipoles
performance/stability
enhancement
are
lacking
an
insightful
elucidation.
In
this
review,
we
first
discuss
fundamental
properties
electric
specific
roles
PSCs.
Then
systematically
summarize
recent
progress
materials
several
key
achieve
efficient
stable
addition
such
discussions,
also
dive
into
reliable
analytical
techniques
support
characterization
Finally,
highlight
future
directions
potential
avenues
for
research
development
dipolar
through
tailored
molecular
designs.
Our
review
sheds
light
on
importance
continued
efforts
exciting
emerging
field,
which
holds
great
high-performance
commercially
demanded.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Янв. 29, 2024
Abstract
Molecular
passivation
is
a
prominent
approach
for
improving
the
performance
and
operation
stability
of
halide
perovskite
solar
cells
(HPSCs).
Herein,
we
reveal
discernible
effects
diammonium
molecules
with
either
an
aryl
or
alkyl
core
onto
Methylammonium-free
perovskites.
Piperazine
dihydriodide
(PZDI),
characterized
by
core-electron
cloud-rich-NH
terminal,
proves
effective
in
mitigating
surface
bulk
defects
modifying
chemistry
interfacial
energy
band,
ultimately
leading
to
improved
carrier
extraction.
Benefiting
from
superior
PZDI
passivation,
device
achieves
impressive
efficiency
23.17%
(area
~1
cm
2
)
(low
open
circuit
voltage
deficit
~0.327
V)
along
operational
stability.
We
achieve
certified
~21.47%
~1.024
inverted
HPSC.
strengthens
adhesion
via
-NH
I
Mulliken
charge
distribution.
Device
analysis
corroborates
that
stronger
bonding
interaction
attenuates
defect
densities
suppresses
ion
migration.
This
work
underscores
crucial
role
bifunctional
adsorption
mitigation,
setting
stage
design
charge-regulated
molecular
enhance
Advanced Energy Materials,
Год журнала:
2023,
Номер
13(32)
Опубликована: Июль 13, 2023
Abstract
Easy‐to‐form
tin
vacancies
at
the
buried
interface
of
tin‐lead
perovskites
hinder
performance
low‐bandgap
perovskite
solar
cells
(PSCs).
Here,
a
synergistic
strategy
by
incorporating
potassium
citrate
(PC)
into
poly(3,4‐ethylenedioxythiophene):poly(styrene
sulfonate)
(PEDOT:PSS)
hole‐transport
layer
to
passivate
Sn‐Pb
PSCs
is
reported.
PC
neutralizes
acidity
PEDOT:PSS
and
stabilizes
front
surface,
enhancing
device
stability.
Citrate
moieties
coordinate
with
Sn
2+
on
preventing
oxidation
suppressing
defect
formation.
Additionally,
cations
incorporate
perovskites,
crystallinity
passivating
halide
defects.
The
combined
benefits
enable
efficient
power
conversion
efficiency
22.7%
high
open‐circuit
voltage
0.894
V.
Using
this
method,
26.1%
for
all‐perovskite
tandem
demonstrated.
These
results
emphasize
significance
passivation
in
developing
stable
cells.
Energy & Environmental Science,
Год журнала:
2023,
Номер
16(5), С. 2080 - 2089
Опубликована: Янв. 1, 2023
Synergistic
effects
of
lead
chloride
and
phenethylammonium
suppress
the
phase
segregation
non-radiative
recombination
in
1.73
eV
wide-
E
g
perovskite
solar
cells
(PSCs),
leading
to
a
significantly
reduced
V
OC
-deficit
0.418
V.
Advanced Materials,
Год журнала:
2024,
Номер
36(37)
Опубликована: Март 1, 2024
Abstract
Perovskite
solar
cells
(PSCs)
have
attracted
widespread
research
and
commercialization
attention
because
of
their
high
power
conversion
efficiency
(PCE)
low
fabrication
cost.
The
long‐term
stability
PSCs
should
satisfy
industrial
requirements
for
photovoltaic
devices.
Inverted
with
a
p‐i‐n
architecture
exhibit
considerable
advantages
excellent
competitive
efficiency.
continuously
broken‐through
PCE
inverted
shows
huge
application
potential.
This
review
summarizes
the
developments
outlines
characteristics
including
charge
transport
layers
(CTLs),
perovskite
compositions,
interfacial
regulation
strategies.
latest
effective
CTLs,
modification,
promotion
strategies
especially
under
light,
thermal,
bias
conditions
are
emphatically
analyzed.
Furthermore,
applications
structure
in
high‐efficiency
stable
tandem,
flexible
devices,
modules
main
obstacles
systematically
introduced.
Finally,
remaining
challenges
faced
by
devices
discussed,
several
directions
advancing
proposed
according
to
development
status
industrialization
requirements.
Advanced Energy Materials,
Год журнала:
2023,
Номер
13(18)
Опубликована: Март 22, 2023
Abstract
Optimizing
the
interface
between
perovskite
and
transport
layers
is
an
efficient
approach
to
promote
photovoltaic
performance
of
inverted
solar
cells
(IPSCs).
Given
decades
advances
in
bulk
materials
optimization,
IPSCs
has
been
pushed
its
limits
by
engineering
with
a
power
conversion
efficiency
(PCE)
over
25%
excellent
stability.
Herein,
n‐type
polymeric
semiconducting
material,
PY‐IT,
that
shown
remarkable
organic
photovoltaics,
introduced
as
regulator
ETL.
Encouragingly,
this
polymerized
small
molecular
acceptor
(PSMA)
exhibits
significant
effectiveness
both
passivation
defects
electron
transfer
facilitation
properties
merits
strong
planarity
rotatable
linkers,
which
significantly
optimizes
grain
growth
orientation
added
charge
channels.
As
result,
PSMA‐treated
IPSC
devices
obtain
optimal
23.57%
fill
factor
84%,
among
highest
PSMA‐based
IPSCs.
Meanwhile,
photo‐stability
PSMA
eye‐catching,
maintaining
≈80%
initial
PCE
after
1000
h
simulated
1‐sun
illumination
under
maximal
point
tracking.
This
work
combines
achievements
polymer
science
device
provide
new
insight
into
regulation
stable
devices.
Journal of Materials Chemistry A,
Год журнала:
2023,
Номер
11(22), С. 11755 - 11766
Опубликована: Янв. 1, 2023
An
analysis
is
provided
of
MA-free
Sn/Pb-perovskite
solar
cells
fabricated
using
PEDOT:PSS,
2PACz,
and
Br-2PACz
as
the
HTL.
efficiency
19.51%
has
been
reached
by
with
improved
device
stability,
thanks
to
suppressed
recombination.
