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.
Science,
Journal Year:
2023,
Volume and Issue:
379(6630), P. 399 - 403
Published: Jan. 26, 2023
Daily
temperature
variations
induce
phase
transitions
and
lattice
strains
in
halide
perovskites,
challenging
their
stability
solar
cells.
We
stabilized
the
perovskite
black
improved
cell
performance
using
ordered
dipolar
structure
of
β-poly(1,1-difluoroethylene)
to
control
film
crystallization
energy
alignment.
demonstrated
p-i-n
cells
with
a
record
power
conversion
efficiency
24.6%
over
18
square
millimeters
23.1%
1
centimeter,
which
retained
96
88%
after
1000
hours
1-sun
maximum
point
tracking
at
25°
75°C,
respectively.
Devices
under
rapid
thermal
cycling
between
-60°
+80°C
showed
no
sign
fatigue,
demonstrating
impact
on
operational
ACS Energy Letters,
Journal Year:
2022,
Volume and Issue:
7(6), P. 2079 - 2083
Published: May 24, 2022
Currently,
the
highest-performing
lead-free
perovskite
solar
cells
utilize
element
tin.
Tin
halide
perovskites,
typically
FASnI3,
resemble
their
lead-based
counterparts
in
optoelectronic
properties
but
possess
dissimilar
crystallization
kinetics.
To
tackle
usually
poor
film
quality,
we
introduced
trimethylthiourea
(3T)
to
spin
coating
of
FASnI3
films.
This
bifunctional
ligand
greatly
improved
morphology
and
texture
films
by
spreading
joining
individual
crystal
grains.
Accordingly,
charge-carrier
lifetime
3T-treated
reached
a
record
high
123
ns,
open-circuit
voltage
at
0.92
V
was
only
0.2
short
theoretical
limit,
both
approaching
those
lead
perovskites.
The
certified
power
conversion
efficiency
14.0%
stability
against
humid
air
are
also
among
best
for
cells.
Possible
reasons
efficacy
3T
through
H-bonding
discussed.
These
findings
emphasize
deposition
control
tin
perovskites
give
direction
future
developments.
Advanced Energy Materials,
Journal Year:
2021,
Volume and Issue:
12(1)
Published: Nov. 25, 2021
Abstract
Tin‐based
perovskites
show
great
potential
in
photovoltaic
applications,
and
the
development
of
corresponding
solar
cells
(PSCs)
has
made
exciting
progress
during
past
few
years.
However,
owing
to
high
Lewis
acidity
easy
oxidation
Sn
2+
,
Sn‐based
perovskite
films
suffer
from
fast
crystallization
formation
vacancy
defects
with
low
activation
energy
solution
film‐forming
process,
resulting
poor
film
quality
inferior
device
performance.
Therefore,
an
in‐depth
understanding
rational
control
dynamics
is
essential
improve
performance
their
PSCs.
In
this
review,
state‐of‐the‐art
developments
for
impact
on
PSCs
are
systematically
summarized.
The
review
begins
introduction
fundamentals
key
difficulties
process
perovskites.
Then,
advanced
strategies
that
focus
regulating
comprehensively
reviewed,
including
solvent
engineering,
additive
cation
technique
engineering.
Finally,
future
perspectives
research
directions,
regarding
smart
film,
discussed
towards
high‐performance
stable
Advanced Functional Materials,
Journal Year:
2022,
Volume and Issue:
32(39)
Published: July 13, 2022
Abstract
In
tin
perovskite
solar
cells
(PSCs),
fullerene
(C
60
)
and
derivative
[6,6]‐phenyl‐C61‐butyric
acid
methyl
ester
(PCBM)
are
commonly
utilized
electron
transport
materials.
However,
the
energetic
disorder,
inadequate
passivation,
energy
level
mismatch
of
C
PCBM
limit
improvement
power
conversion
efficiency
(PCE)
lifespan
PSCs.
this
work,
a
multifunctional
interface
manipulation
strategy
is
developed
by
introducing
pyridine‐functionalized
derivative,
fullerene‐n‐butyl‐pyridine
‐BPy),
into
between
layer
(ETL)
to
improve
photovoltaic
performance
stability
The
‐BPy
can
strongly
anchor
on
surface
via
coordination
interactions
pyridine
moiety
Sn
2+
ion,
which
not
only
reinforces
passivation
trap‐state
within
film,
but
also
regulates
alignment
reduce
non‐radiative
recombination.
Moreover,
improved
binding
carrier
properties
contribute
superior
device
stability.
resulting
devices
have
achieved
highest
PCE
14.14%
with
negligible
hysteresis,
maintained
over
95%
their
initial
under
continuous
one‐sun
illumination
for
1000
h.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(33)
Published: June 20, 2023
Perovskite
solar
cells
(PSCs)
are
considered
as
a
promising
photovoltaic
technology
due
to
their
high
efficiency
and
low
cost.
However,
long-term
stability,
mechanical
durability,
environmental
risks
still
unable
meet
practical
needs.
To
overcome
these
issues,
we
designed
multifunctional
elastomer
with
abundant
hydrogen
bonds
carbonyl
groups.
The
chemical
bonding
between
polymer
perovskite
could
increase
the
growth
activation
energy
of
film
promote
preferential
high-quality
film.
Owing
defect
density
gradient
energy-level
alignment,
corresponding
device
exhibited
champion
23.10
%.
Furthermore,
formation
hydrogen-bonded
network
in
film,
target
devices
demonstrated
excellent
air
stability
enhanced
flexibility
for
flexible
PSCs.
More
importantly,
coordinate
Pb2+
ions,
immobilizing
lead
atoms
reduce
release
into
environment.
This
strategy
paves
way
industrialization
high-performance
Advanced Functional Materials,
Journal Year:
2022,
Volume and Issue:
32(38)
Published: July 8, 2022
Abstract
Metal‐halide
perovskite
solar
cells
(PSCs)
exhibit
outstanding
power
conversion
efficiencies
(PCEs)
when
fabricated
as
mm‐sized
devices,
but
creation
of
high‐performing
large‐area
modules
that
are
stable
on
a
sufficiently
long
timescale
still
presents
significant
challenge.
Herein,
the
quality
film
is
improved
by
using
ionic
liquid
additives
via
forming
new
Pb‐N
bonding
between
and
Pb
2+
.
This
bond
can
be
modulated
critical
screening
anion
structure
liquid.
The
selected
effectively
reduces
defects
films
markedly
elongate
their
carrier
lifetimes.
As
result,
champion
PCE
24.4%
for
small‐area
(0.148
cm
2
)
devices
20.4%
larger‐area
(10.0
under
AM
1.5G
irradiation
achieved.
More
importantly,
modified
retain
90%
peak
after
aging
1900
h
at
65
±
5
°
C
(ISOS‐T‐1)
80%
continuous
light
soaking
750
h.
non‐encapsulated
maintained
1100
in
air
with
relative
humidity
35
5%
temperature
25
dark
(ISOS‐D‐1),
showing
great
potential
future
commercialization.