Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(20)
Published: Aug. 25, 2023
Abstract
Over
the
past
three
years,
remarkable
advancements
in
organic
solar
cells
(OSCs)
have
emerged,
propelled
by
introduction
of
Y6—an
innovative
A‐DA'D‐A
type
small
molecule
non‐fullerene
acceptor
(NFA).
This
review
provides
a
critical
discussion
current
knowledge
about
structural
and
physical
properties
PM6:Y6
material
combination
relation
to
its
photovoltaic
performance.
The
design
principles
PM6
Y6
are
discussed,
covering
charge
transfer,
transport,
recombination
mechanisms.
Then,
authors
delve
into
blend
morphology
degradation
mechanisms
before
considering
commercialization.
state
art
is
presented,
while
also
discussing
unresolved
contentious
issues,
such
as
energetics,
pathways
free
generation,
role
triplet
states
recombination.
As
such,
this
aims
provide
comprehensive
understanding
potential
for
further
development
field
cells.
By
addressing
both
successes
challenges
associated
with
system,
contributes
ongoing
research
efforts
toward
achieving
more
efficient
stable
Advanced Energy Materials,
Journal Year:
2022,
Volume and Issue:
13(2)
Published: Nov. 27, 2022
Abstract
The
wide‐bandgap
perovskite
solar
cell
is
a
crucial
part
of
perovskite/silicon
tandem
cells,
which
offer
an
avenue
for
surpassing
the
power
conversion
efficiency
(PCE)
limit
single‐junction
silicon
cells.
However,
actual
such
cells
today
diminished
by
nonradiative
recombination
losses
in
subcells.
Here,
this
work
reports
grain
regrowth
and
bifacial
passivation
(GRBP)
strategy
to
reduce
at
boundaries
perovskite/charge
transport
layer
interfaces
simultaneously.
This
achieved
posttreatment
films
with
mixture
methylammonium
thiocyanate
(MASCN)
phenethylammonium
iodide
(PEAI).
MASCN
induces
grains
simultaneously
facilitates
penetration
PEAI
into
hole‐transport‐layer
(HTL)/perovskite
bottom
interface.
Thereby,
bulk
interface
are
reduced
open‐circuit
voltage
considerably
increased.
PCEs
21.9%
19.9%
1.65‐eV
bandgap
opaque
semitransparent
respectively,
obtained.
encapsulated
retain
their
initial
following
500
h
operation
under
one‐sun
illumination
ambient
conditions.
4‐terminal
(4‐T)
fabricated
impressive
29.8%
28.5%
0.049
cm
2
1
devices,
respectively.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Nov. 6, 2023
Light-induced
halide
segregation
constrains
the
photovoltaic
performance
and
stability
of
wide-bandgap
perovskite
solar
cells
tandem
cells.
The
implementation
an
intermixed
two-dimensional/three-dimensional
heterostructure
via
solution
post-treatment
is
a
typical
strategy
to
improve
efficiency
However,
owing
composition-dependent
sensitivity
surface
reconstruction,
conventional
suboptimal
for
methylammonium-free
cesium/bromide-enriched
PSCs.
To
address
this,
we
develop
generic
three-dimensional
two-dimensional
conversion
approach
realize
preferential
growth
wider
dimensionality
(n
≥
2)
atop
layers
(1.78
eV).
This
technique
involves
depositing
well-defined
MAPbI3
thin
layer
through
vapor-assisted
two-step
process,
followed
by
its
into
structure.
Such
enables
suppressed
light-induced
segregation,
reduced
non-radiative
interfacial
recombination,
facilitated
charge
extraction.
demonstrate
champion
power
19.6%
open-circuit
voltage
1.32
V.
By
integrating
with
thermal-stable
FAPb0.5Sn0.5I3
narrow-bandgap
perovskites,
our
all-perovskite
exhibit
stabilized
PCE
28.1%
retain
90%
initial
after
855
hours
continuous
1-sun
illumination.
RSC Advances,
Journal Year:
2022,
Volume and Issue:
12(50), P. 32365 - 32373
Published: Jan. 1, 2022
The
great
demand
for
renewable
energy
has
greatly
contributed
to
the
development
of
solar
cell
industry.
Recently,
silicon
cells
have
dominated
world
market.
ease
processing
gives
perovskite
(PSCs)
an
advantage
over
conventional
cells.
Regular
photovoltaics
require
expensive,
multi-step
processes
accomplished
in
a
specialized
ultraclean-chamber
facility
at
elevated
temperature
(>1000
°C)
and
highly
vacuumed
workspace.
Hence,
researchers
industry
focused
on
PSC
as
rival
Despite
this,
highest
efficiency
was
obtained
from
lead-based
PSC,
which
considerably
high
toxicity
issue
low
stability
related
lead
content,
so
research
field
pays
attention
lead-free
In
this
digital
simulation,
tin-based
paper,
methylammonium
tin
iodide
(MASnI3)
with
use
cerium
oxide
(CeO
x
)
electron
transporting
layer
(ETL)
varying
percentages
oxygen,
means
different
shallow
donor
densities
(ND).
optimum
value
thickness
absorber
(perovskite)
made,
current-voltage
characteristics
calculations
were
also
best
cell.
Then
improvement
made
by
changing
ND
CeO
,
best-optimized
parameters
were:
open
circuit
voltage
(VOC)
0.92
V,
short
current
density
(JSC)
30.79
mA
cm-2,
power
conversion
(PCE)
17.77%,
fill
factor
(FF)
62.86%.
Advanced Science,
Journal Year:
2023,
Volume and Issue:
10(34)
Published: Oct. 9, 2023
Abstract
Polydimethylsiloxane
(PDMS)—the
simplest
and
most
common
silicone
compound—exemplifies
the
central
characteristics
of
its
class
has
attracted
tremendous
research
attention.
The
development
PDMS‐based
materials
is
a
vivid
reflection
modern
industry.
In
recent
years,
PDMS
stood
out
as
material
choice
for
various
emerging
technologies.
rapid
improvement
in
bulk
modification
strategies
multifunctional
surfaces
enabled
whole
new
generation
devices,
facilitating,
even
transforming
enormous
applications,
including
flexible
electronics,
superwetting
surfaces,
soft
actuators,
wearable
implantable
sensors,
biomedicals,
autonomous
robotics.
This
paper
reviews
latest
advances
field
functional
materials,
with
focus
on
added
functionality
their
use
programmable
smart
devices.
Recent
breakthroughs
regarding
instant
crosslinking
additive
manufacturing
are
featured,
exciting
opportunities
future
highlighted.
review
provides
quick
entrance
to
this
rapidly
evolving
will
help
guide
rational
design
next‐generation
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(17)
Published: Sept. 7, 2023
Wide-bandgap
(WBG)
perovskites
have
attracted
considerable
attention
due
to
their
adjustable
bandgap
properties,
making
them
ideal
candidates
for
top
subcells
in
tandem
solar
cells
(TSCs).
However,
WBG
often
face
challenges
such
as
inhomogeneous
crystallization
and
severe
nonradiative
recombination
loss,
leading
high
open-circuit
voltage
(V
