Advanced Materials,
Journal Year:
2018,
Volume and Issue:
30(20)
Published: March 22, 2018
Abstract
The
notion
that
halide
perovskite
crystals
(ABX
3
,
where
X
is
a
halide)
exhibit
unique
structural
and
optoelectronic
behavior
deserves
serious
scrutiny.
After
decades
of
steady
half
decade
intense
research,
the
question
which
attributes
these
materials
are
unusual,
discussed,
with
an
emphasis
on
identification
most
important
remaining
issues.
goal
to
stimulate
discussion
rather
than
merely
present
community
consensus.
Chemical Reviews,
Journal Year:
2020,
Volume and Issue:
120(15), P. 7867 - 7918
Published: July 28, 2020
With
rapid
progress
in
a
power
conversion
efficiency
(PCE)
to
reach
25%,
metal
halide
perovskite-based
solar
cells
became
game-changer
photovoltaic
performance
race.
Triggered
by
the
development
of
solid-state
perovskite
cell
2012,
intense
follow-up
research
works
on
structure
design,
materials
chemistry,
process
engineering,
and
device
physics
have
contributed
revolutionary
evolution
be
strong
candidate
for
next-generation
energy
harvester.
The
high
combination
with
low
cost
processes
are
selling
points
this
over
commercial
silicon
or
other
organic
inorganic
cells.
characteristic
features
may
enable
further
advancement
PCE
beyond
those
afforded
cells,
toward
Shockley-Queisser
limit.
This
review
summarizes
fundamentals
behind
optoelectronic
properties
materials,
as
well
important
approaches
fabricating
high-efficiency
Furthermore,
possible
strategies
enhancing
limit
discussed.
ACS Nano,
Journal Year:
2021,
Volume and Issue:
15(7), P. 10775 - 10981
Published: June 17, 2021
Metal-halide
perovskites
have
rapidly
emerged
as
one
of
the
most
promising
materials
21st
century,
with
many
exciting
properties
and
great
potential
for
a
broad
range
applications,
from
photovoltaics
to
optoelectronics
photocatalysis.
The
ease
which
metal-halide
can
be
synthesized
in
form
brightly
luminescent
colloidal
nanocrystals,
well
their
tunable
intriguing
optical
electronic
properties,
has
attracted
researchers
different
disciplines
science
technology.
In
last
few
years,
there
been
significant
progress
shape-controlled
synthesis
perovskite
nanocrystals
understanding
applications.
this
comprehensive
review,
having
expertise
fields
(chemistry,
physics,
device
engineering)
joined
together
provide
state
art
overview
future
prospects
nanocrystal
research.
Science Advances,
Journal Year:
2017,
Volume and Issue:
3(10)
Published: Oct. 6, 2017
We
developed
lead
halide
perovskite
quantum
dot
(QD)
films
with
tuned
surface
chemistry
based
on
A-site
cation
salt
(AX)
treatments.
QD
perovskites
offer
colloidal
synthesis
and
processing
using
industrially
friendly
solvents,
which
decouples
grain
growth
from
film
deposition,
at
present
produce
larger
open-circuit
voltages
(VOC's)
than
thin-film
perovskites.
CsPbI3
QDs,
a
tunable
bandgap
between
1.75
2.13
eV,
are
an
ideal
top
cell
candidate
for
all-perovskite
multijunction
solar
cells
because
of
their
demonstrated
small
VOC
deficit.
show
that
charge
carrier
mobility
within
is
dictated
by
the
chemical
conditions
QD-QD
junctions.
The
AX
treatments
provide
method
tuning
coupling
exploited
improved
transport
fabricating
high-quality
devices.
presented
here
double
mobility,
enabling
increased
photocurrent,
to
record
certified
efficiency
13.43%.
Advanced Energy Materials,
Journal Year:
2019,
Volume and Issue:
10(13)
Published: Oct. 4, 2019
Abstract
Perovskite
solar
cells
(PSCs)
have
reached
a
certified
25.2%
efficiency
in
2019
due
to
their
high
absorption
coefficient,
carrier
mobility,
long
diffusion
length,
and
tunable
direct
bandgap.
However,
the
nature
of
solution
processing
rapid
crystal
growth
perovskite
thin
films,
variety
defects
can
form
as
result
precursor
compositions
conditions.
The
use
additives
affect
crystallization
film
formation,
defect
passivation
bulk
and/or
at
surface,
well
influence
interface
tuning
structure
energetics.
Here,
recent
progress
additive
engineering
during
formation
is
discussed
according
following
common
categories:
Lewis
acid
(e.g.,
metal
cations,
fullerene
derivatives),
base
based
on
donor
type
O‐donor,
S‐donor,
N‐donor),
ammonium
salts,
low‐dimensional
perovskites,
ionic
liquid.
Various
additive‐assisted
strategies
for
optimization
are
then
summarized;
include
modifiers
improve
electron‐
hole‐transport
layers
those
modify
surface
properties.
Finally,
an
outlook
provided
research
trends
with
respect
PSC
development.
Chemical Reviews,
Journal Year:
2019,
Volume and Issue:
119(5), P. 3349 - 3417
Published: March 1, 2019
Design
and
modification
of
interfaces,
always
a
critical
issue
for
semiconductor
devices,
has
become
primary
tool
to
harness
the
full
potential
halide
perovskite
(HaP)-based
optoelectronics,
including
photovoltaics
light-emitting
diodes.
In
particular,
outstanding
improvements
in
HaP
solar
cell
performance
stability
can
be
primarily
ascribed
careful
choice
interfacial
layout
layer
stack.
this
review,
we
describe
unique
challenges
opportunities
these
approaches
(section
1).
For
purpose,
first
elucidate
basic
physical
chemical
properties
exposed
thin
film
crystal
surfaces,
topics
such
as
surface
termination,
reactivity,
electronic
structure
2).
This
is
followed
by
discussing
experimental
results
on
energetic
alignment
processes
at
interfaces
between
transport
buffer
layers.
section
includes
understandings
reached
well
commonly
proposed
applied
models,
especially
often-questionable
validity
vacuum
level
alignment,
importance
interface
dipoles,
band
bending
result
formation
3).
We
follow
elaborating
impact
device
performance,
considering
effects
reactions
passivation
energetics
stability.
On
basis
concepts,
propose
roadmap
next
steps
design
semiconductors
4),
emphasizing
achieving
control
over
chemistry
(i.e.,
reactivity)
allow
predictive
power
tailored
optimization.
