ACS Nano,
Год журнала:
2024,
Номер
18(33), С. 22533 - 22547
Опубликована: Авг. 8, 2024
Organic–inorganic
hybrid
metal
halide
perovskite
solar
cells
have
been
considered
as
one
of
the
most
promising
next-generation
photovoltaic
technologies.
Nevertheless,
defects
and
Li+
ionic
migration
will
seriously
affect
power
conversion
efficiency
stability
formal
device.
Herein,
we
designed
two
crown
ether
derivatives
(PC12
PC15)
with
different
cavity
diameters,
which
selectively
bind
to
cations.
It
is
found
that
PC15
in
precursor
solution
can
actively
regulate
nucleation
crystallization
processes
passivate
uncoordinated
Pb2+
ions,
while
PC12
at
interface
between
layer
hole-transporting
effectively
inhibit
ions
reduce
nonradiative
recombination
losses.
Therefore,
act
"lubricant"
defect
passivators,
well
inhibitors
ion
migration,
when
they
are
synergistically
applied
surface
bulk
layer.
Consequently,
optimized
device
achieved
a
champion
24.8%
significantly
improved
humidity,
thermal,
light
stability.
Science,
Год журнала:
2024,
Номер
385(6708), С. 533 - 538
Опубликована: Авг. 1, 2024
To
achieve
the
full
potential
of
monolithic
perovskite/silicon
tandem
solar
cells,
crystal
defects
and
film
inhomogeneities
in
perovskite
top
cell
must
be
minimized.
We
discuss
use
methylenediammonium
dichloride
as
an
additive
to
precursor
solution,
resulting
incorporation
situ–formed
tetrahydrotriazinium
(THTZ-H
+
)
into
lattice
upon
crystallization.
The
cyclic
nature
THTZ-H
cation
enables
a
strong
interaction
with
lead
octahedra
through
formation
hydrogen
bonds
iodide
multiple
directions.
This
structure
improves
device
power
conversion
efficiency
(PCE)
phase
stability
1.68
electron
volts
perovskites
under
prolonged
light
heat
exposure
1-sun
illumination
at
85°C.
Monolithic
tandems
incorporating
photo
absorber
reached
33.7%
independently
certified
PCE
for
area
1
square
centimeter.
ACS Energy Letters,
Год журнала:
2024,
Номер
9(3), С. 1305 - 1330
Опубликована: Фев. 29, 2024
Organic–inorganic
hybrid
perovskites
have
been
widely
used
in
silicon-based
tandem
solar
cells
for
their
advantages
of
tunable
bandgap,
high
light
absorption
coefficient,
and
power
conversion
efficiency
(PCE).
However,
the
maximum
PCE
perovskite/silicon
(PSTSCs)
is
still
below
theoretical
limit.
This
Review
describes
PSTSCs'
working
principle
then
summarizes
research
progress
recent
years,
including
a
comparison
perovskite
layers,
interconnection
silicon
bottom
cells.
Then,
n-i-p
PSTSCs
p-i-n
are
presented
based
on
PSCs'
top
cells,
main
factors
affecting
discussed
detail.
Finally,
an
outlook
future
development
discussed.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Янв. 24, 2024
Abstract
Thermally
evaporated
C
60
is
a
near-ubiquitous
electron
transport
layer
in
state-of-the-art
p–i–n
perovskite-based
solar
cells.
As
perovskite
photovoltaic
technologies
are
moving
toward
industrialization,
batch-to-batch
reproducibility
of
device
performances
becomes
crucial.
Here,
we
show
that
commercial
as-received
(99.75%
pure)
source
materials
may
coalesce
during
repeated
thermal
evaporation
processes,
jeopardizing
such
reproducibility.
We
find
the
coalescence
due
to
oxygen
present
initial
powder
and
leads
formation
deep
states
within
bandgap,
resulting
systematic
decrease
cell
performance.
However,
further
purification
(through
sublimation)
99.95%
before
found
hinder
coalescence,
with
associated
being
fully
reproducible
after
processing.
verify
universality
this
behavior
on
perovskite/silicon
tandem
cells
by
demonstrating
their
open-circuit
voltages
fill
factors
remain
at
1950
mV
81%
respectively,
over
eight
processes
using
same
sublimed
material.
Notably,
one
these
achieved
certified
power
conversion
efficiency
30.9%.
These
findings
provide
insights
crucial
for
advancement
towards
scaled
production
high
process
yield.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Июнь 8, 2024
Abstract
Perovskite/silicon
tandem
solar
cells
hold
great
promise
for
realizing
high
power
conversion
efficiency
at
low
cost.
However,
achieving
scalable
fabrication
of
wide-bandgap
perovskite
(~1.68
eV)
in
air,
without
the
protective
environment
an
inert
atmosphere,
remains
challenging
due
to
moisture-induced
degradation
films.
Herein,
this
study
reveals
that
extent
moisture
interference
is
significantly
influenced
by
properties
solvent.
We
further
demonstrate
n-Butanol
(nBA),
with
its
polarity
and
moderate
volatilization
rate,
not
only
mitigates
detrimental
effects
air
during
but
also
enhances
uniformity
This
approach
enables
us
achieve
impressive
29.4%
(certified
28.7%)
double-sided
textured
perovskite/silicon
featuring
large-size
pyramids
(2–3
μm)
26.3%
over
aperture
area
16
cm
2
.
advance
provides
a
route
large-scale
production
cells,
marking
significant
stride
toward
their
commercial
viability.
Materials Futures,
Год журнала:
2024,
Номер
3(2), С. 022101 - 022101
Опубликована: Март 26, 2024
Abstract
Perovskite
solar
cells
have
aroused
a
worldwide
research
upsurge
in
recent
years
due
to
their
soaring
photovoltaic
performance,
ease
of
solution
processing,
and
low
cost.
The
power
conversion
efficiency
record
is
constantly
being
broken
has
recently
reached
26.1%
the
lab,
which
comparable
established
technologies
such
as
crystalline
silicon,
copper
indium
gallium
selenide
cadmium
telluride
(CdTe)
cells.
Currently,
perovskite
are
standing
at
entrance
industrialization,
where
huge
opportunities
risks
coexist.
However,
towards
commercialization,
challenges
up-scaling,
stability
lead
toxicity
still
remain,
proper
handling
could
potentially
widespread
adoption
low-cost
efficient
source
renewable
energy.
This
review
gives
holistic
analysis
path
commercialization
for
A
comprehensive
overview
current
state-of-the-art
level
modules
will
be
introduced
first,
with
respect
module
efficiency,
status
industrialization.
We
then
discuss
that
get
way
corresponding
strategies
address
them,
involving
upscaling,
issue.
Insights
into
future
direction
photovoltaics
was
also
provided,
including
flexible
indoor
photovoltaics.
Finally,
perspectives
put
forward.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(46)
Опубликована: Июнь 22, 2024
Abstract
The
antisolvent‐assisted
spin‐coating
still
lags
behind
the
thermal
evaporation
method
in
fabricating
perovskite
films
atop
industrially
textured
silicon
wafers
making
monolithic
perovskite/silicon
solar
cells
(P/S‐TSCs).
inhomogeneity
of
hole‐selective
self‐assembled
monolayers
(SAMs)
often
arises
from
insufficient
bonding
between
hygroscopic
phosphonic
acid
anchors
and
metal
oxide.
To
address
this,
a
mixed‐SAM
strategy
(Mx‐SAM)
is
proposed
to
enhance
adsorption
energy
SAMs
on
ITO
surface,
facilitate
formation
dense
humidity‐resistant
layer
(HSL)
substrates,
improve
hole
transport
capabilities.
With
aid
Mx‐SAM
strategy,
optimized
wide‐bandgap
PSCs
achieved
an
impressive
power
conversion
efficiency
(PCE)
22.63%
with
exceptionally
high
fill
factor
(
FF
)
86.67%
using
1.68
eV
perovskite.
Moreover,
they
exhibited
enhanced
stability
under
damp‐heat
conditions
(ISOS‐D‐3,
85%
RH,
85
°C)
T
90
900
h
for
encapsulated
PSCs,
representing
one
best
performances
PSCs.
When
further
extending
P/S‐TSCs
industry,
remarkable
28.07%
reached
while
upholding
outstanding
reproducibility.
This
holds
significant
promise
feasibility
industrially‐compatible
P/S‐TSCs.
