ACS Energy Letters,
Journal Year:
2024,
Volume and Issue:
9(4), P. 1682 - 1692
Published: March 22, 2024
Organic,
nonfullerene
semiconductors
capable
of
self-assembly
and
composed
either
anthraquinone
(AQ)
or
naphthalenediimide
(NDI)
central
fragments
have
been
designed
as
electron-selective
materials
for
n-i-p
perovskite
solar
cells
(PSCs).
Both
types
self-assembled
monolayer
(SAM)
molecules
contain
phosphonic
acid
an
anchoring
group,
allowing
covalent
binding
with
indium
tin
oxide
(ITO)
surfaces.
In
particular,
the
NDI-based
SAMs
showed
a
more
homogeneous
on
ITO
substrate
stronger
band
bending
at
ITO-SAM/perovskite
interface
than
AQ-based
SAMs.
As
result,
low-temperature-processed
PSCs
NDI
bottom
contact
maximum
power
conversion
efficiency
(PCE)
21.5%,
representing
highest
PCE
among
organic
electron
transporting
layers
(ETLs).
addition,
our
NDI-SAM-based
devices
demonstrate
substantially
improved
long-term
stability
under
operating
temperature
conditions
when
compared
to
using
SnO2
ETL.
ACS Energy Letters,
Journal Year:
2024,
Volume and Issue:
9(4), P. 1895 - 1897
Published: April 2, 2024
Tin
halide
perovskites
are
promising
materials
for
real-world
photovoltaic
applications,
and
there
is
large
room
their
performance
to
grow.
We
improved
energy-level
alignment
between
the
perovskite
electron
transport
layers
by
introducing
4-fluorophenethylamine
hydrobromide
as
an
interfacial
dipole.
Thus,
open-circuit
voltage
of
FASnI3
solar
cells
increased
0.974
V
power
conversion
efficiency
reached
15.7%,
representing
a
significant
advance
in
this
field.
Science,
Journal Year:
2024,
Volume and Issue:
384(6700), P. 1126 - 1134
Published: June 6, 2024
The
light-emitting
diodes
(LEDs)
used
in
indoor
testing
of
perovskite
solar
cells
do
not
expose
them
to
the
levels
ultraviolet
(UV)
radiation
that
they
would
receive
actual
outdoor
use.
We
report
degradation
mechanisms
p-i-n-structured
under
unfiltered
sunlight
and
with
LEDs.
Weak
chemical
bonding
between
perovskites
polymer
hole-transporting
materials
(HTMs)
transparent
conducting
oxides
(TCOs)
dominate
accelerated
A-site
cation
migration,
rather
than
direct
HTMs.
An
aromatic
phosphonic
acid,
[2-(9-ethyl-9H-carbazol-3-yl)ethyl]phosphonic
acid
(EtCz3EPA),
enhanced
at
perovskite/HTM/TCO
region
a
group
bonded
TCOs
nitrogen
interacting
lead
perovskites.
A
hybrid
HTM
EtCz3EPA
strong
hole-extraction
polymers
retained
high
efficiency
improved
UV
stability
devices,
champion
minimodule-independently
measured
by
Perovskite
PV
Accelerator
for
Commercializing
Technologies
(PACT)
center-retained
operational
>16%
after
29
weeks
testing.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 18, 2024
Abstract
Inverted
perovskite
solar
cells
(PSCs)
comprising
formamidinium‐cesium
(FA‐Cs)
lead
triiodide
have
garnered
considerable
attention
due
to
their
impressive
efficiency
and
remarkable
stability.
Nevertheless,
synthesizing
high‐quality
FA‐Cs
alloyed
films
presents
challenges,
primarily
attributable
the
intricate
interphase
process
involved
absence
of
methylammonium
(MA
+
)
mixed
halogens.
Here,
additive
3‐phosphonopropanoic
acid
(3‐PPA)
is
introduced,
with
bifunctional
phosphonic
groups,
into
precursor
modulate
crystal
growth
provide
passivation
at
grain
boundaries.
In
situ
characterization
reveals
that
3‐PPA
can
form
a
“rapid
nucleation,
slow
growth”
mechanism,
resulting
in
enlarged
grains
enhanced
crystallinity.
addition,
serves
passivate
boundary
defects
release
residual
strain
by
forming
molecular
bridging,
leading
passivated
achieving
fluorescence
lifetime
5.79
microseconds
favorable
n‐type
contact
interface.
As
result,
devices
incorporating
achieve
champion
power
conversion
(PCE)
24.05%
an
ultra‐high
fill
factor
(FF)
84.22%.
More
importantly,
optimized
exhibit
satisfactory
stability
under
various
testing
conditions.
The
findings
underscore
pivotal
role
multifunctional
additives
crystallization
control
defect
for
high‐performance
MA‐free
pure
iodine
PSCs.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(37)
Published: March 1, 2024
Abstract
Perovskite
solar
cells
(PSCs)
have
attracted
widespread
research
and
commercialization
attention
because
of
their
high
power
conversion
efficiency
(PCE)
low
fabrication
cost.
The
long‐term
stability
PSCs
should
satisfy
industrial
requirements
for
photovoltaic
devices.
Inverted
with
a
p‐i‐n
architecture
exhibit
considerable
advantages
excellent
competitive
efficiency.
continuously
broken‐through
PCE
inverted
shows
huge
application
potential.
This
review
summarizes
the
developments
outlines
characteristics
including
charge
transport
layers
(CTLs),
perovskite
compositions,
interfacial
regulation
strategies.
latest
effective
CTLs,
modification,
promotion
strategies
especially
under
light,
thermal,
bias
conditions
are
emphatically
analyzed.
Furthermore,
applications
structure
in
high‐efficiency
stable
tandem,
flexible
devices,
modules
main
obstacles
systematically
introduced.
Finally,
remaining
challenges
faced
by
devices
discussed,
several
directions
advancing
proposed
according
to
development
status
industrialization
requirements.
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
124(19), P. 10623 - 10700
Published: Aug. 29, 2024
Recently,
there
has
been
an
extensive
focus
on
inverted
perovskite
solar
cells
(PSCs)
with
a
p-i-n
architecture
due
to
their
attractive
advantages,
such
as
exceptional
stability,
high
efficiency,
low
cost,
low-temperature
processing,
and
compatibility
tandem
architectures,
leading
surge
in
development.
Single-junction
perovskite-silicon
(TSCs)
have
achieved
certified
PCEs
of
26.15%
33.9%
respectively,
showing
great
promise
for
commercial
applications.
To
expedite
real-world
applications,
it
is
crucial
investigate
the
key
challenges
further
performance
enhancement.
We
first
introduce
representative
methods,
composition
engineering,
additive
solvent
processing
innovation
charge
transporting
layers,
interface
fabricating
high-efficiency
stable
PSCs.
then
delve
into
reasons
behind
excellent
stability
Subsequently,
we
review
recent
advances
TSCs
PSCs,
including
perovskite-Si
TSCs,
all-perovskite
perovskite-organic
TSCs.
achieve
final
deployment,
present
efforts
related
scaling
up,
harvesting
indoor
light,
economic
assessment,
reducing
environmental
impacts.
Lastly,
discuss
potential
PSCs
future.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(25)
Published: Feb. 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.
