Advanced Energy Materials,
Год журнала:
2022,
Номер
13(33)
Опубликована: Сен. 1, 2022
Abstract
Metal
halide
perovskite
solar
cells
(PSCs)
have
become
one
of
the
most
promising
next‐generation
photovoltaic
technologies
due
to
their
low‐cost
fabrication,
solution
processability,
and
superior
optoelectronic
properties.
Although
state‐of‐art
PSCs
demonstrate
a
power
conversion
efficiency
record
comparable
that
silicon
cells,
there
are
still
many
challenges
toward
commercialization.
devices
based
on
various
semiconductor
heterojunctions
all
play
important
roles
in
device
performance.
The
operation
relies
combination
multiple
offer
delicate
control
photocarrier
generation,
separation,
transport
respective
electrodes.
Hence,
advanced
heterojunction
design
is
crucial
for
further
improvement
Notably,
records
mainly
ascribed
optimized
engineering.
Considering
significance
this
topic,
comprehensive
review
recently
developed
designs
presented.
Following
brief
introduction
PSC
architectures,
operation,
fundamental
theories,
recent
progress
perovskite/electron
layer,
perovskite/hole
perovskite/perovskite
engineering
elaborated.
Finally,
conclusions
perspectives
research
field
addressed.
Advanced Materials,
Год журнала:
2023,
Номер
35(49)
Опубликована: Авг. 7, 2023
Perovskite/organic
tandem
solar
cells
(POTSCs)
are
gaining
attention
due
to
their
easy
fabrication,
potential
surpass
the
S-Q
limit,
and
superior
flexibility.
However,
low
power
conversion
efficiencies
(PCEs)
of
wide
bandgap
(Eg)
perovskite
(PVSCs)
have
hindered
development.
This
work
presents
a
novel
effective
mixed-cation
passivation
strategy
(CE)
passivate
various
types
traps
in
wide-Eg
perovskite.
The
complementary
effect
4-trifluoro
phenethylammonium
(CF3
-PEA+
,
denoted
as
CA+
)
ethylenediammonium
(EDA2+
EA2+
reduces
both
electron/hole
defect
densities
non-radiative
recombination
rate,
resulting
record
open-circuit
voltage
(Voc
PVSCs
(1.35
V)
high
fill
factor
(FF)
83.29%.
These
improvements
lead
PCE
24.47%
when
applied
fabricated
POTSCs,
highest
date.
Furthermore,
unencapsulated
POTSCs
exhibit
excellent
photo
thermal
stability,
retaining
over
90%
initial
after
maximum
point
(MPP)
tracking
or
exposure
60
°C
for
500
h.
findings
imply
that
synergic
surface
passivators
is
promising
achieve
high-efficiency
stable
corresponding
POTSCs.
Chemical Science,
Год журнала:
2024,
Номер
15(8), С. 2778 - 2785
Опубликована: Янв. 1, 2024
Self-assembled
monolayers
(SAMs)
have
been
widely
employed
as
the
bottom-contact
hole-selective
layer
(HSL)
in
inverted
perovskite
solar
cells
(PSCs).
Besides
manipulating
electrical
properties,
molecularly
engineering
SAM
provides
an
opportunity
to
modulate
buried
interface.
Here,
we
successfully
introduced
Lewis-basic
oxygen
and
sulfur
heteroatoms
through
rational
molecular
design
of
asymmetric
SAMs
obtain
two
novel
multifunctional
SAMs,
CbzBF
CbzBT.
Detailed
characterization
single-crystal
structures
device
interfaces
shows
that
enhanced
packing,
more
effective
ITO
work
function
adjustment,
interface
passivation
were
achieved.
Consequently,
champion
PSC
employing
CbzBT
showed
excellent
power
conversion
efficiency
(PCE)
24.0%
with
a
high
fill
factor
84.41%
improved
stability.
This
demonstrates
feasibility
introducing
defect-passivating
heterocyclic
groups
into
molecules
help
passivate
interfacial
defects
PSCs.
The
insights
gained
from
this
strategy
will
accelerate
development
new
HSLs
for
efficient
Advanced Energy Materials,
Год журнала:
2023,
Номер
13(23)
Опубликована: Май 1, 2023
Abstract
Inverted
(p‐i‐n)
perovskite
solar
cells
have
drawn
great
attention
due
to
their
outstanding
stability
and
low‐temperature
processibility.
However,
power
conversion
efficiency
(PCE)
still
lags
behind
conventional
(n‐i‐p)
devices
mainly
the
lack
of
strategies
stabilize
α
‐FAPbI
3
without
changing
bandgap.
In
this
work,
a
facile
effective
strategy
is
reported
regulate
residual
strain
via
pseudo
halide‐based
ionic
liquids
incorporation
in
inverted
(PVSCs).
The
employment
methylamine
formate
(MAFa)
liquid
enables
homogenously
stronger
compressive
restrain
transition
shared‐corner
PbI
6
octahedron
into
shared‐face
δ
,
as
well
affecting
dynamic
behavior
carriers
defects
achieve
record
PCE
(24.08%)
among
FAPbI
up
now.
addition,
MAFa
results
enhanced
device
stability,
unencapsulated
PVSC
retains
over
90%
its
initial
after
stored
ambient
environment
(RH:30
±
5%)
for
1000
h.
This
work
provides
an
efficient
realize
stable
based
PVSCs
further
catch
with
ones.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(25)
Опубликована: Фев. 7, 2024
Abstract
Inverted
perovskite
solar
cells
(IPSCs)
have
attracted
unprecedented
attention
due
to
their
negligible
hysteresis,
long‐term
operational
stability,
low
temperature,
and
cost‐effective
fabrication
process,
as
well
wide
applications.
The
power
conversion
efficiency
(PCE)
of
IPSCs
has
skyrocketed
from
3.9%
in
2013
certified
26.1%
2023,
which
is
over
the
25.8%
regular
counterpart,
benefiting
emergence
a
great
number
organic
hole‐transporting
materials
(HTM).
This
review
provides
an
overview
recent
development
stability
IPSCs,
including
small
molecules
conjugated
conductive
polymers.
effective
strategies
for
charge‐transport
layer
films
are
also
discussed.
Finally,
prospective
further
outlined,
developing
novel
fabricating
techniques
meet
requirements
commercial
application.
Advanced Materials,
Год журнала:
2024,
Номер
36(24)
Опубликована: Март 8, 2024
Crystallization
orientation
plays
a
crucial
role
in
determining
the
performance
and
stability
of
perovskite
solar
cells
(PVSCs),
whereas
effective
strategies
for
realizing
oriented
crystallization
is
still
lacking.
Herein,
facile
efficient
top-down
strategy
reported
to
manipulate
via
treating
wet
film
with
propylamine
chloride
(PACl)
before
annealing.
The
PA
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(25)
Опубликована: Янв. 9, 2024
Abstract
NiO
x
is
one
of
the
promising
inorganic
hole
transporting
materials
in
inverted
perovskite
solar
cells
(PSCs),
however,
its
device
efficiency
and
stability
are
still
limited
by
energy
level
mismatch,
low
intrinsic
conductivity,
high
interface
defect
density,
complex
active
species.
Herein,
use
an
imide‐based
donor–acceptor
type
semiconductor
(BTF14)
as
interlayer
between
proposed,
which
facilitates
extraction
transfer,
reduces
density
at
film
bulk,
further
concentration
Ni
>3+
species
to
stabilize
heterointerface.
As
a
result,
power
conversion
PSCs
can
be
significantly
boosted
from
22.11%
24.20%
/BTF14.
Moreover,
/BTF14
based
devices
also
exhibit
negligible
hysteresis
excellent
long‐term
stability,
with
over
77%
their
initial
remaining
after
continuous
operation
60
°C
for
1000
h
under
1
sun
illumination.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(45)
Опубликована: Июль 24, 2024
Abstract
We
report
a
highly
crystalline
self‐assembled
multilayer
(SAMUL)
that
is
fundamentally
different
from
the
conventional
monolayer
or
disordered
bilayer
used
for
hole‐extraction
in
inverted
perovskite
solar
cells
(PSCs).
The
SAMUL
can
be
easily
formed
on
ITO
substrate
to
establish
better
surface
coverage
enhance
performance
and
stability
of
PSCs.
A
detailed
structure‐property‐performance
relationship
molecules
established
through
systematic
study
their
crystallinity,
molecular
packing,
hole‐transporting
properties.
These
SAMULs
are
rationally
optimized
by
varying
structures
deposition
methods
thermal
evaporation
spin‐coating
fabricating
CbzNaphPPA‐based
was
chosen
PSCs
due
it
exhibiting
highest
crystallinity
hole
mobility
which
derived
ordered
H‐aggregation.
This
resulted
remarkably
high
fill
factor
86.45
%,
enables
very
impressive
power
conversion
efficiency
(PCE)
26.07
%
achieved
along
with
excellent
device
(94
its
initial
PCE
retained
after
continuous
operation
1200
h
under
1‐sun
irradiation
at
maximum
point
65
°C).
Additionally,
record‐high
23.50
could
adopting
thermally
evaporated
SAMUL.
greatly
simplifies
broadens
scope
SAM
large‐area
devices
diverse
substrates.
Chemical Society Reviews,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
This
review
summarizes
the
progress
and
provides
perspectives
on
perovskite
quantum
dot
photovoltaics,
with
a
focus
surface
chemistry
engineering,
paving
new
direction
for
large-area
low-cost
PV
technology
to
address
major
energy
challenges.