ACS Energy Letters,
Journal Year:
2021,
Volume and Issue:
6(5), P. 1942 - 1969
Published: April 28, 2021
The
certified
power
conversion
efficiency
of
state-of-the-art
organic–inorganic
hybrid
perovskite
solar
cells
has
surpassed
25%,
showing
promising
potential
for
commercialization.
Compared
with
volatile
methylammonium-based
perovskites,
formamidinium-
and
cesium-based
halide
perovskites
have
attracted
attention
due
to
their
resistance
thermal
degradation.
However,
the
photoactive
phases
these
materials
suffer
from
limited
phase
stability
at
room
temperature
are
prone
spontaneous
transformation
into
photoinactive
phases.
This
Review
sheds
light
onto
fundamental
understanding
origin
instability
both
intrinsic
structure
extrinsic
factors.
We
highlight
methodologies
used
suppress
undesired
transitions
an
emphasis
on
structure–property
relationships.
Chemical Reviews,
Journal Year:
2021,
Volume and Issue:
121(4), P. 2230 - 2291
Published: Jan. 21, 2021
Two-dimensional
(2D)
halide
perovskites
have
emerged
as
outstanding
semiconducting
materials
thanks
to
their
superior
stability
and
structural
diversity.
However,
the
ever-growing
field
of
optoelectronic
device
research
using
2D
requires
systematic
understanding
effects
spacer
on
structure,
properties,
performance.
So
far,
many
studies
are
based
trial-and-error
tests
random
spacers
with
limited
ability
predict
resulting
structure
these
synthetic
experiments,
hindering
discovery
novel
be
incorporated
into
high-performance
devices.
In
this
review,
we
provide
guidelines
successfully
choosing
incorporating
them
crystalline
We
first
a
summary
various
methods
act
tutorial
for
groups
interested
in
pursuing
synthesis
perovskites.
Second,
our
insights
what
kind
cations
can
stabilize
followed
by
an
extensive
review
cations,
which
been
shown
emphasis
optical
properties.
Next,
similar
explanation
used
fabricate
films
desired
Like
section,
will
then
focus
that
devices
how
they
influence
film
With
comprehensive
effects,
rational
selection
made,
accelerating
already
exciting
field.
ACS Energy Letters,
Journal Year:
2020,
Volume and Issue:
5(8), P. 2742 - 2786
Published: July 27, 2020
Because
interfacial
nonradiative
recombination
(NRR)
has
a
significant
influence
on
device
performance,
the
minimization
of
NRR
losses
through
interface
engineering
especially
for
perovskite-related
interfaces
is
key
to
achieving
efficient,
stable,
and
hysteresis-free
perovskite
solar
cells
(PSCs).
In
light
important
contributions
rapid
development
PSCs,
systematic
investigation
analysis
latest
research
advancements
urgently
needed.
This
Review
aims
at
providing
innovative
insights
into
further
improvement
in
power
conversion
efficiency
(PCE)
toward
Shockley–Queisser
limit
stability
fulfilling
commercially
available
standard
protocols
as
well
reduction
hysteresis.
this
Review,
roles
importance
PSCs
are
first
highlighted
from
viewpoint
structure,
working
principles,
carrier
dynamics.
The
main
origins
(i.e.,
defects,
imperfect
energy
level
alignment
(ELA),
reactions)
then
discussed
detail
along
with
characterization
techniques.
Subsequently,
effects
PCE,
stability,
hysteresis
investigated.
Strategies
mitigating
provided
terms
defect
passivation,
ELA
modulation,
suppression
reaction,
where
critical
functional
groups
modifiers
emphasized.
Finally,
we
provide
an
outlook
hysteresis-free,
long-term
operationally
stable
achievable
via
engineering.
Advanced Energy Materials,
Journal Year:
2020,
Volume and Issue:
10(26)
Published: March 1, 2020
Abstract
Metal
halide
perovskite
solar
cells
(PSCs)
have
risen
in
efficiency
from
just
3.81%
2009
to
over
25.2%
today.
While
metal
perovskites
excelled
efficiency,
advances
stability
are
significantly
more
complex
and
progressed
slowly.
The
advance
of
which
is
readily
measured,
stability,
can
require
literally
thousands
hours
demonstrate,
be
expected
given
the
rapid
rate
innovation
field.
In
face
changing
absorber
composition,
synthetic
approaches,
device
stack
components
it
necessary
understand
basic
material
properties
rationalize
how
enable
devices.
this
article
aim
present
an
in‐depth
review
current
understanding
devices
module
by
focusing
on
what
known
retarding
intrinsic
extrinsic
degradation
mechanisms
at
material,
device,
level.
Once
these
considerations
presented
discussion
then
moves
connecting
different
stresses
anticipated
operation
they
impact
ultimately
modules
time.
Advanced Materials,
Journal Year:
2021,
Volume and Issue:
33(18)
Published: April 1, 2021
Abstract
Perovskite
light‐emitting
diodes
(PeLEDs)
are
considered
as
particularly
attractive
candidates
for
high‐quality
lighting
and
displays,
due
to
possessing
the
features
of
wide
gamut
real
color
expression.
However,
most
PeLEDs
made
from
polycrystalline
perovskite
films
that
contain
a
high
concentration
defects,
including
point
extended
imperfections.
Reducing
mitigating
non‐radiative
recombination
defects
in
materials
still
crucial
prerequisites
achieving
performance
applications.
Here,
ethoxylated
trimethylolpropane
triacrylate
(ETPTA)
is
introduced
functional
additive
dissolved
antisolvent
passivate
surface
bulk
during
spinning
process.
The
ETPTA
can
effectively
decrease
charge
trapping
states
by
passivation
and/or
suppression
defects.
Eventually,
sufficiently
passivated
make
devices
achieve
maximum
external
quantum
efficiency
(EQE)
22.49%.
To
our
knowledge,
these
efficient
green
up
now.
In
addition,
threefold
increase
T
50
operational
time
was
observed,
compared
control
samples.
These
findings
provide
simple
effective
strategy
highly
their
optoelectronics
devices.
Energy & Environmental Science,
Journal Year:
2021,
Volume and Issue:
14(5), P. 2906 - 2953
Published: Jan. 1, 2021
Recent
advances
on
passivation
and
morphology
engineering
approaches
adopted
to
obtain
high
efficiency
stability
in
perovskite
solar
cells
are
thoroughly
reviewed.
Energy & Environmental Science,
Journal Year:
2021,
Volume and Issue:
14(11), P. 5875 - 5893
Published: Jan. 1, 2021
We
present
a
dual
passivation
approach
for
p–i–n
perovskite
solar
cells
using
phenethylammonium
chloride
that
simultaneously
passivates
defects
at
the
grain
boundaries
and
perovskite/C
60
interface,
thus
substantially
enhancing
both
V
OC
FF.
Journal of Materials Chemistry A,
Journal Year:
2020,
Volume and Issue:
8(41), P. 21356 - 21386
Published: Jan. 1, 2020
Hybrid
organic–inorganic
halide
perovskite
based
solar
cell
technology
has
passed
through
a
phase
of
unprecedented
growth
in
the
efficiency
scale
from
3.8%
to
above
25%
within
decade.