Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(33), С. 22310 - 22324
Опубликована: Янв. 1, 2024
Inverted
planar
perovskite
solar
cells
with
PCBM
ETL
have
poor
film
formation
and
charge
transfer.
Adding
MgO
improves
photoluminescence,
carrier
lifetime,
efficiency
to
15.12%,
enhances
X-ray
detector
performance.
Advanced Materials,
Год журнала:
2024,
Номер
36(38)
Опубликована: Июль 25, 2024
Flexible
perovskite
solar
cells
(f-PSCs)
have
emerged
as
potential
candidates
for
specific
mechanical
applications
owing
to
their
high
foldability,
efficiency,
and
portability.
However,
the
power
conversion
efficiency
(PCE)
of
f-PSC
remains
limited
by
inferior
contact
between
flexible
buried
substrate.
Here,
an
asymmetric
π-extended
self-assembled
monolayer
(SAM)
(4-(9H-dibenzo[a,c]carbazol-9-yl)butyl)phosphonic
acid
(A-4PADCB)
is
reported
a
substrate
efficient
inverted
f-PSCs.
Employing
this
design
strategy,
A-4PADCB
exhibits
significant
orientation
angle
away
from
surface
normal,
homogenizing
distribution
potentials.
This
enhancement
improves
SAM/perovskite
interface
quality,
controlling
growth
favorable
films
with
low
defect
density
slight
tensile
stress.
Integration
into
small-area
f-PSCs
large-area
modules
aperture
area
20.84
cm
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(33)
Опубликована: Апрель 30, 2024
Abstract
Mixed‐halide
perovskites
are
emerging
as
excellent
photovoltaic
candidates
because
of
their
tunable
bandgaps
for
semitransparent
and
tandem
perovskite
solar
cells.
However,
the
notorious
film
quality
originated
from
rapidly
downward
crystallization
process
susceptibly
propagates
enormous
detrimental
defects,
which
deteriorate
performance
accelerate
halide
segregation.
To
address
this
issue,
herein,
a
multilayer
alkalis‐intercalated‐vermiculite
is
employed
pre‐buried
interface
modifier
to
regulate
lattice
property.
The
matchable
structure
between
vermiculite
by
forming
Pb─O
bond
not
only
releases
interfacial
strain
during
growth
but
also
embedded
alkalis
ions
can
gradually
diffuse
into
form
favorable
vertical
gradient
owing
weak
interlamellar
van
der
Waals
interaction,
playing
bis‐roles
atomical
lubricant
ion‐reservoir
eliminate
defects.
As
result,
stability
significantly
improved
with
suppressed
phase
segregation
mixed‐halide
perovskites,
accompanying
champion
efficiency
11.42%
carbon‐based
CsPbIBr
2
device,
15.25%
CsPbI
Br
device
23.17%
p‐i‐n
inverted
(Cs
0.05
MA
FA
0.9
)Pb(I
0.93
0.07
)
3
cell.
This
work
provides
new
strategy
on
buried
engineering
making
high‐efficiency
stable
platforms.
Abstract
Over
the
past
10
years,
perovskite
solar
cell
(PSC)
device
technologies
have
advanced
remarkably
and
exhibited
a
notable
increase
in
efficiency.
Additionally,
significant
innovation
approaches
improved
stability
related
to
heat,
light,
moisture
of
PSC
devices.
Despite
these
developments
PSCs,
instability
PSCs
is
pressing
problem
an
urgent
matter
overcome
for
practical
application.
Recently,
polymers
been
suggested
suggestion
has
presented
solve
issues
photovoltaic
parameters
Here,
first,
fundamental
chemical
bond
types
self‐healing
are
presented.
Then,
comprehensive
presentation
ability
rigid
flexible
enhance
various
physical,
mechanical,
optoelectronic
properties
Furthermore,
valuable
insights
innovative
solutions
perovskite‐based
optoelectronics
with
provided,
offering
guidance
future
applications.
image
Langmuir,
Год журнала:
2024,
Номер
40(14), С. 7560 - 7568
Опубликована: Март 29, 2024
It
is
essential
and
challenging
to
develop
green
cost-effective
solar
cells
meet
the
energy
demands.
Solar
with
a
perovskite
light-harvesting
layer
are
most
promising
technology
propel
world
toward
next-generation
energy.
Formamidinium
lead
tri-iodide
(FAPbI
Energy & Fuels,
Год журнала:
2024,
Номер
38(7), С. 6387 - 6396
Опубликована: Март 21, 2024
This
research
uses
the
SCAPS-1D
simulation
program
to
methodically
enhance
and
numerically
analyze
perovskite
solar
cells
that
utilize
a
gallium
oxide
(Ga2O3)
hole-blocking
layer.
To
corroborate
our
calculations,
we
initially
compared
current
density–voltage
properties
(J–V)
obtained
from
SCAPS
model
experimental
results.
Remarkably,
curve
exhibited
almost
excellent
alignment,
exhibiting
precision
reliability
of
analytical
approach.
We
simulated
typical
(n-i-p)
architecture
carefully
investigated
performance
various
parameters
for
electron
transport
layer
perovskite.
optimized
thicknesses
Ga2O3,
doping
concentration
defect
density,
interface-trapped
defects,
series
resistance,
shunt
resistance.
Through
calculation,
successfully
developed
an
efficient
photovoltaic
with
structure
FTO/Ga2O3/MAPbI3/spiro-OMeTAD/Au,
yielding
champion
28.19%.
modeling
is
beneficial
understanding
operational
principles
MAPbI3
photovoltaics.
It
also
plays
crucial
role
in
directing
fabrication
high-performance
devices
under
laboratory
conditions.
Carbon
nanomaterials
(graphene,
carbon
nanotubes,
and
graphene
oxide)
have
potential
applications
for
optoelectronics,
thanks
to
their
superior
electronic
optical
characteristics.
The
remarkable
stability
of
carbon-based
perovskite
solar
cells
(PSCs)
has
attracted
significant
attention.
Herein,
a
fluorine-doped
nanotube
(F-CNT)
is
incorporated
into
the
PSCs
as
hole-transporting
layer
(HTL)
in
between
methylammonium
lead
iodide
(MAPbI
