Advanced Energy Materials,
Год журнала:
2024,
Номер
14(35)
Опубликована: Июнь 27, 2024
Abstract
Inverted
perovskite
solar
cells
(PSCs)
have
attracted
considerable
attention
due
to
their
distinct
advantages,
including
minimal
hysteresis,
cost‐effectiveness,
and
suitability
for
tandem
applications.
Nevertheless,
the
solution
processing
low
formation
energy
of
perovskites
inevitably
lead
numerous
defects
formed
at
both
bulk
interfaces
layer.
These
can
act
as
non‐radiative
recombination
centers,
significantly
impeding
carrier
transport
posing
a
substantial
obstacle
stability
further
enhancing
power
conversion
efficiency
(PCE).
This
review
delves
into
detailed
discussion
nature
origin
characterization
techniques
employed
defect
identification.
Furthermore,
it
systematically
summarizes
methods
detection
approaches
passivating
interface
within
film
in
inverted
PSCs.
Finally,
this
offers
perspective
on
employing
upscaling
passivation
engineering
modules.
It
is
hoped
provides
insights
PSCs
Science,
Год журнала:
2023,
Номер
382(6672), С. 810 - 815
Опубликована: Ноя. 16, 2023
Compared
with
the
n-i-p
structure,
inverted
(p-i-n)
perovskite
solar
cells
(PSCs)
promise
increased
operating
stability,
but
these
photovoltaic
often
exhibit
lower
power
conversion
efficiencies
(PCEs)
because
of
nonradiative
recombination
losses,
particularly
at
perovskite/C60
interface.
We
passivated
surface
defects
and
enabled
reflection
minority
carriers
from
interface
into
bulk
using
two
types
functional
molecules.
used
sulfur-modified
methylthio
molecules
to
passivate
suppress
through
strong
coordination
hydrogen
bonding,
along
diammonium
repel
reduce
contact-induced
achieved
field-effect
passivation.
This
approach
led
a
fivefold
longer
carrier
lifetime
one-third
photoluminescence
quantum
yield
loss
certified
quasi-steady-state
PCE
25.1%
for
PSCs
stable
operation
65°C
>2000
hours
in
ambient
air.
also
fabricated
monolithic
all-perovskite
tandem
28.1%
PCE.
Advanced Materials,
Год журнала:
2023,
Номер
35(30)
Опубликована: Май 16, 2023
Metal
halide
perovskite
based
tandem
solar
cells
are
promising
to
achieve
power
conversion
efficiency
beyond
the
theoretical
limit
of
their
single-junction
counterparts.
However,
overcoming
significant
open-circuit
voltage
deficit
present
in
wide-bandgap
remains
a
major
hurdle
for
realizing
efficient
and
stable
cells.
Here,
holistic
approach
challenges
1.8
eV
is
reported
by
engineering
crystallization
pathway
means
chloride
additives.
In
conjunction
with
employing
self-assembled
monolayer
as
hole-transport
layer,
an
1.25
V
17.0%
achieved.
The
key
role
methylammonium
addition
elucidated
facilitating
growth
chloride-rich
intermediate
phase
that
directs
desired
cubic
induces
more
effective
homogenization.
as-formed
demonstrates
suppressed
segregation
improved
optoelectronic
properties.
RSC Advances,
Год журнала:
2024,
Номер
14(8), С. 5085 - 5131
Опубликована: Янв. 1, 2024
This
review
provides
an
overview
of
the
progress
&
developments
PSCs,
beginning
with
introduction
to
their
fundamental
properties
significance.
It
discusses
various
types
highlighting
unique
attributes
performance
metrics.
Advanced Materials,
Год журнала:
2023,
Номер
35(22)
Опубликована: Март 12, 2023
All-perovskite
tandem
solar
cells
(TSCs)
hold
great
promise
in
terms
of
ultrahigh
efficiency,
low
manufacturing
cost,
and
flexibility,
stepping
forward
to
the
next-generation
photovoltaics.
However,
their
further
development
is
hampered
by
relatively
performance
low-bandgap
(LBG)
tin
(Sn)-lead
(Pb)
perovskite
(PSCs).
Improving
carrier
management,
including
suppressing
trap-assisted
non-radiative
recombination
promoting
transfer,
significance
enhance
Sn-Pb
PSCs.
Herein,
a
management
strategy
reported
for
using
cysteine
hydrochloride
(CysHCl)
simultaneously
as
bulky
passivator
surface
anchoring
agent
perovskite.
CysHCl
processing
effectively
reduces
trap
density
suppresses
recombination,
enabling
growth
high-quality
with
greatly
improved
diffusion
length
>8
µm.
Furthermore,
electron
transfer
at
perovskite/C60
interface
accelerated
due
formation
dipoles
favorable
energy
band
bending.
As
result,
these
advances
enable
demonstration
champion
efficiency
22.15%
CysHCl-processed
LBG
PSCs
remarkable
enhancement
both
open-circuit
voltage
fill
factor.
When
paired
wide-bandgap
(WBG)
subcell,
certified
25.7%-efficient
all-perovskite
monolithic
device
demonstrated.
