Advanced Energy Materials,
Journal Year:
2022,
Volume and Issue:
12(30)
Published: June 28, 2022
Abstract
Pb‐based
perovskite
solar
cells
(PSCs)
as
one
of
the
most
promising
photovoltaic
technologies
for
commercialization
have
attracted
tremendous
attention
in
recent
years.
However,
toxicity
and
leakage
heavy
metal
Pb
from
film
become
critical
obstacles
eco‐friendly
development.
Extreme
weather
conditions
such
rain,
high
temperature,
or
strong
sunlight
may
accelerate
undesired
decomposition
cause
inevitable
contamination
ecosystem,
which
results
a
potential
threat
to
animals
environment.
In
this
review,
guidelines
successfully
managing
PSCs
are
provided
open
pathway
toward
sustainable
First,
toxicological
research
that
can
health
problems
humans
contaminate
environment
is
discussed.
Then,
mechanism
pathways
under
simulated
environments
terms
moisture,
illumination
briefly
reviewed.
Moreover,
strategies
inhibit
including
physical
sequestration,
chemical
adsorption,
component
substitution
engineering
systematically
summarized.
Finally,
different
achieving
goal
recycling
utilization
analyzed.
With
comprehensive
understanding
these
effects,
rational
management
be
made
development
emerging
field.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(35)
Published: July 7, 2024
Interface-induced
nonradiative
recombination
losses
at
the
perovskite/electron
transport
layer
(ETL)
are
an
impediment
to
improving
efficiency
and
stability
of
inverted
(p-i-n)
perovskite
solar
cells
(PSCs).
Tridecafluorohexane-1-sulfonic
acid
potassium
(TFHSP)
is
employed
as
a
multifunctional
dipole
molecule
modify
surface.
The
solid
coordination
hydrogen
bonding
efficiently
passivate
surface
defects,
thereby
reducing
recombination.
induced
positive
between
ETLs
improves
energy
band
alignment,
enhancing
interface
charge
extraction.
Additionally,
strong
interaction
TFHSP
stabilizes
surface,
while
hydrophobic
fluorinated
moieties
prevent
ingress
water
oxygen,
device
stability.
resultant
devices
achieve
power
conversion
(PCE)
24.6%.
unencapsulated
retain
91%
their
initial
after
1000
h
in
air
with
60%
relative
humidity,
95%
500
under
maximum
point
(MPP)
tracking
35
°C.
utilization
molecules
opens
new
avenues
for
high-performance
long-term
stable
devices.
Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: Jan. 30, 2025
All-perovskite
tandem
solar
cells
(APTSCs)
offer
the
potential
to
surpass
Shockley-Queisser
limit
of
single-junction
at
low
cost.
However,
high-performance
APTSCs
contain
unstable
methylammonium
(MA)
cation
in
tin-lead
(Sn-Pb)
narrow
bandgap
subcells.
Currently,
MA-free
Sn-Pb
perovskite
(PSCs)
show
lower
performance
compared
with
their
MA-containing
counterparts.
This
is
due
high
trap
density
associated
Sn2+
oxidation,
which
exacerbated
by
rapid
crystallization
Sn-containing
perovskite.
Here,
a
multifunctional
additive
rubidium
acetate
(RbAC)
proposed
passivate
We
find
that
RbAC
can
suppress
alleviate
microstrain,
and
improve
crystallinity
Consequently,
resultant
PSCs
achieve
power
conversion
efficiency
(PCE)
23.02%,
an
open
circuit
voltage
(Voc)
0.897
V,
filling
factor
(FF)
80.64%,
more
importantly
stability
device
significantly
improved.
When
further
integrated
1.79-electron
volt
wide-bandgap
PSC,
29.33%
(certified
28.11%)
efficient
Voc
2.22
volts
achieved.
The
tin
(II)
oxidation
impacts
cation-free
cells.
authors
employ
for
defect
passivation
stable
all-perovskite
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 28, 2025
Abstract
Interface
modification
with
the
ability
to
passivate
defects
and
regulate
interface
energy
level
is
an
important
method
maximize
photovoltaic
performance
of
perovskite
solar
cells
(PSCs).
Herein,
through
modifying
between
hole
transport
layer
via
different
alkylammonium
acetate
ionic
liquid
molecules
varied
dipole
moments,
efficient
stable
PSCs
are
achieved.
Especially,
hexylammonium
(HAAc)
high
moment
can
reduce
difference
facilitate
extraction
loss.
In
addition,
HAAc
has
a
strong
chemical
binding
both
acceptor
donor
on
surfaces
synergistic
passivation
HA
+
cation
Ac
−
anion,
thereby
reducing
defect‐assisted
recombination.
The
combined
effects
modulation
defect
suppression
lead
overall
enhancement
in
device
performance.
best
HAAc‐passivated
reaches
efficiency
up
25.06%
maintains
>
97.30%
initial
for
1000
h
air
30
±
10%
humidity.
flexible
exhibit
excellent
mechanical
stability,
remaining
above
71%
value
after
10
000
bending
cycles
at
small
radius
5
mm.
Advanced Energy Materials,
Journal Year:
2022,
Volume and Issue:
12(30)
Published: June 28, 2022
Abstract
Pb‐based
perovskite
solar
cells
(PSCs)
as
one
of
the
most
promising
photovoltaic
technologies
for
commercialization
have
attracted
tremendous
attention
in
recent
years.
However,
toxicity
and
leakage
heavy
metal
Pb
from
film
become
critical
obstacles
eco‐friendly
development.
Extreme
weather
conditions
such
rain,
high
temperature,
or
strong
sunlight
may
accelerate
undesired
decomposition
cause
inevitable
contamination
ecosystem,
which
results
a
potential
threat
to
animals
environment.
In
this
review,
guidelines
successfully
managing
PSCs
are
provided
open
pathway
toward
sustainable
First,
toxicological
research
that
can
health
problems
humans
contaminate
environment
is
discussed.
Then,
mechanism
pathways
under
simulated
environments
terms
moisture,
illumination
briefly
reviewed.
Moreover,
strategies
inhibit
including
physical
sequestration,
chemical
adsorption,
component
substitution
engineering
systematically
summarized.
Finally,
different
achieving
goal
recycling
utilization
analyzed.
With
comprehensive
understanding
these
effects,
rational
management
be
made
development
emerging
field.
