Science,
Год журнала:
2024,
Номер
384(6697), С. 767 - 775
Опубликована: Май 16, 2024
The
efficiency
and
longevity
of
metal-halide
perovskite
solar
cells
are
typically
dictated
by
nonradiative
defect-mediated
charge
recombination.
In
this
work,
we
demonstrate
a
vapor-based
amino-silane
passivation
that
reduces
photovoltage
deficits
to
around
100
millivolts
(>90%
the
thermodynamic
limit)
in
bandgaps
between
1.6
1.8
electron
volts,
which
is
crucial
for
tandem
applications.
A
primary-,
secondary-,
or
tertiary-amino-silane
alone
negatively
barely
affected
crystallinity
transport,
but
amino-silanes
incorporate
primary
secondary
amines
yield
up
60-fold
increase
photoluminescence
quantum
preserve
long-range
conduction.
Amino-silane-treated
devices
retained
95%
power
conversion
more
than
1500
hours
under
full-spectrum
sunlight
at
85°C
open-circuit
conditions
ambient
air
with
relative
humidity
50
60%.
Science,
Год журнала:
2024,
Номер
384(6692), С. 189 - 193
Опубликована: Апрель 11, 2024
Inverted
(pin)
perovskite
solar
cells
(PSCs)
afford
improved
operating
stability
in
comparison
to
their
nip
counterparts
but
have
lagged
power
conversion
efficiency
(PCE).
The
energetic
losses
responsible
for
this
PCE
deficit
pin
PSCs
occur
primarily
at
the
interfaces
between
and
charge-transport
layers.
Additive
surface
treatments
that
use
passivating
ligands
usually
bind
a
single
active
binding
site:
This
dense
packing
of
electrically
resistive
passivants
perpendicular
may
limit
fill
factor
PSCs.
We
identified
two
neighboring
lead(II)
ion
(Pb
Science,
Год журнала:
2023,
Номер
382(6668), С. 284 - 289
Опубликована: Окт. 19, 2023
P-i-n
geometry
perovskite
solar
cells
(PSCs)
offer
simplified
fabrication,
greater
amenability
to
charge
extraction
layers,
and
low-temperature
processing
over
n-i-p
counterparts.
Self-assembled
monolayers
(SAMs)
can
enhance
the
performance
of
p-i-n
PSCs
but
ultrathin
SAMs
be
thermally
unstable.
We
report
a
robust
hole-selective
layer
comprised
nickel
oxide
(NiOx)
nanoparticle
film
with
surface-anchored
(4-(3,11-dimethoxy-7H-dibenzo[c,g]carbazol-7-yl)butyl)phosphonic
acid
(MeO-4PADBC)
SAM
that
improve
stabilize
NiOx/perovskite
interface.
The
energetic
alignment
favorable
contact
binding
between
NiOx/MeO-4PADBC
reduced
voltage
deficit
various
compositions
led
strong
interface
toughening
effects
under
thermal
stress.
resulting
1.53-electron-volt
devices
achieved
25.6%
certified
power
conversion
efficiency
maintained
>90%
their
initial
after
continuously
operating
at
65
degrees
Celsius
for
1200
hours
1-sun
illumination.
Science,
Год журнала:
2023,
Номер
382(6677), С. 1399 - 1404
Опубликована: Ноя. 23, 2023
The
power
conversion
efficiency
(PCE)
of
inverted
perovskite
solar
cells
(PSCs)
is
still
lagging
behind
that
conventional
PSCs,
in
part
because
inefficient
carrier
transport
and
poor
morphology
hole
layers
(HTLs).
We
optimized
self-assembly
[4-(3,6-dimethyl-9H-carbazol-9-yl)butyl]phosphonic
acid
(Me-4PACz)
onto
nickel
oxide
(NiOx)
nanoparticles
as
an
HTL
through
treatment
with
hydrogen
peroxide,
which
created
a
more
uniform
dispersion
high
conductivity
attributed
to
the
formation
Ni3+
well
surface
hydroxyl
groups
for
bonding.
A
25.2%
certified
PCE
mask
size
0.074
square
centimeters
was
obtained.
This
device
maintained
85.4%
initial
after
1000
hours
stabilized
output
operation
under
1
sun
light
irradiation
at
about
50°C
85.1%
500
accelerated
aging
85°C.
obtained
21.0%
minimodule
aperture
area
14.65
centimeters.
Advanced Materials,
Год журнала:
2024,
Номер
36(16)
Опубликована: Янв. 11, 2024
Abstract
[4‐(3,6‐dimethyl‐9H‐carbazol‐9yl)butyl]phosphonic
acid
(Me‐4PACz)
self‐assembled
molecules
(SAM)
are
an
effective
method
to
solve
the
problem
of
buried
interface
NiO
x
in
inverted
perovskite
solar
cells
(PSCs).
However,
Me‐4PACz
end
group
(carbazole
core)
cannot
forcefully
passivate
defects
at
bottom
film.
Here,
a
Co‐SAM
strategy
is
employed
modify
PSCs.
doped
with
phosphorylcholine
chloride
(PC)
form
improve
monolayer
coverage
and
reduce
leakage
current.
The
phosphate
ions
(Cl
−
)
PC
can
inhibit
surface
defects.
Meantime,
quaternary
ammonium
Cl
fill
organic
cations
halogen
vacancies
film
enable
passivation.
Moreover,
promote
growth
crystals,
collaboratively
defects,
suppress
nonradiative
recombination,
accelerate
carrier
transmission,
relieve
residual
stress
Consequently,
modified
devices
show
power
conversion
efficiencies
as
high
25.09%
well
excellent
device
stability
93%
initial
efficiency
after
1000
h
operation
under
one‐sun
illumination.
This
work
demonstrates
novel
approach
for
enhancing
performance
PSCs
by
modifying
on
.
Beni-Suef University Journal of Basic and Applied Sciences,
Год журнала:
2023,
Номер
12(1)
Опубликована: Июль 17, 2023
Abstract
Background
In
recent
years,
solar
photovoltaic
technology
has
experienced
significant
advances
in
both
materials
and
systems,
leading
to
improvements
efficiency,
cost,
energy
storage
capacity.
These
have
made
a
more
viable
option
for
renewable
generation
storage.
However,
intermittent
is
major
limitation
of
energy,
systems
are
the
preferred
solution
these
challenges
where
electric
power
applicable.
Hence,
type
system
depends
on
used
electrical
generation.
Furthermore,
growing
need
sources
necessity
long-term
solutions
fueled
research
into
novel
systems.
Researchers
concentrated
increasing
efficiency
cells
by
creating
that
can
collect
convert
sunlight
power.
Main
body
abstract
This
study
provides
an
overview
development
devices.
The
use
sources,
such
as
power,
becoming
increasingly
important
address
demand
mitigate
impact
climate
change.
with
superior
properties,
higher
lower
improved
durability,
significantly
enhance
performance
panels
enable
creation
new,
efficient
review
discusses
progress
field
opportunities
associated
also
explored,
including
scalability,
stability,
economic
feasibility.
Conclusion
devices
holds
great
potential
revolutionize
energy.
With
ongoing
technological
advancements,
scientists
engineers
been
able
design
properties
durability.
be
existing
adoption
could
implications
transition
toward
sustainable
environmentally
friendly
system.
there
still
addressed,
environmental
effects,
feasibility,
before
widely
implemented.
Nonetheless,
this
promising
continued
reports
crucial
achieving
future.
lead
system,
but
further
needed
overcome
current
limitations
large-scale
implementation.
