Electro-Photovoltaics of Grignard Metathesis-Derived Poly(propylene imine) Tetra(salicylaldimine)-co-Poly(3-hexylthiophene-2,5-diyl) Copolymer
Materials Chemistry and Physics,
Год журнала:
2025,
Номер
unknown, С. 130549 - 130549
Опубликована: Фев. 1, 2025
Язык: Английский
Tailoring Iodide‐Capturing Molecules for High‐Performance Perovskite Solar Cells Based on P3HT
Solar RRL,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 26, 2025
Poly(3‐hexylthiophene)
(P3HT)
has
attracted
significant
interest
due
to
its
cost‐effective
synthesis,
high
purity,
and
stable
film
properties.
However,
the
efficiency
of
perovskite
solar
cells
is
limited
by
energy‐level
mismatches
nonradiative
recombination
at
P3HT/perovskite
interface.
In
this
study,
we
introduce
2,7‐dimetapyridinebenzo[4,5]thieno[3,2‐b]benzofuran
(Mpy‐BTBF)
small
molecule,
which
features
extended
π
‐conjugation
lone
pair
electrons
from
oxygen
sulfur
atoms.
Incorporating
Mpy‐BTBF
into
P3HT
(M‐P3HT)
improves
charge
transport
passivates
iodine‐related
defects,
achieving
a
power
conversion
(PCE)
16.36%,
surpassing
pristine
P3HT‐based
device
(14.49%).
With
further
Li
salts
doping,
champion
PCE
increased
21.24
17.30%.
Finally,
M‐P3HT‐based
devices
maintained
over
70%
their
after
600
h
aging
60%
relative
humidity
60°C.
Язык: Английский
A Refined Dual‐Fiber Network Morphology as Printable Hole Transport Layers for High‐Performance Perovskite Solar Mini‐Modules
Aggregate,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 30, 2025
ABSTRACT
In
the
contemporary
preparation
of
perovskite
solar
cells
(PSCs),
prevalent
issue
hole
transport
layers
(HTLs)
materials
is
frequently
incompatible
with
large‐area
deposition
techniques.
As
area
increases,
this
results
in
nonuniform
HTLs,
which
significantly
reduces
efficiency
and
reliability
device
at
module
level.
To
tackle
significant
challenge,
we
propose
a
strategy
for
dual‐fiber
network
structure
based
on
polymer
HTLs.
This
involves
use
organic
cell
donor
material
(PM6)
poly(3‐hexylthiophene)
(P3HT),
are
spontaneously
interwoven
into
micron‐sized
fiber
crystals
to
establish
efficient
carrier
channels.
unique
not
only
accelerates
charge
extraction
but
also
takes
advantage
inherent
benefits
polymers,
such
as
excellent
printability
homogeneous
film
formation
while
enhancing
protection
layers.
The
resulting
devices
demonstrate
V
OC
1.18
champion
PCE
24.90%,
higher
than
pristine
(the
22.87%).
Moreover,
due
improved
printing
characteristics,
PSMs
prepared
by
blade‐coating
high
15.15%
within
an
aperture
100
cm
2
.
Additionally,
improves
operational
stability,
thermal
humidity
stability
devices.
Язык: Английский
Improving Crystallization of Wide‐Bandgap Lead Halide Perovskite for All‐perovskite Tandems
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 11, 2024
Abstract
Wide‐bandgap
(WBG)
perovskite
solar
cells
(PSCs)
are
crucial
component
of
tandem
(TSCs).
However,
the
main
obstacles
currently
faced
by
WBG
PSCs
their
imperfect
crystal
quality,
leading
to
large
open
circuit
voltage
(
V
OC
)
losses
and
poor
stability.
The
use
2,5‐dibromothieno[3,2‐B]
thiophene
(DBrT)
as
an
additive
in
enhances
mitigates
defects,
improves
stability
promoting
growth
passivating
bulk
interface
defects.
interaction
between
Pb─S
bonds,
π–π
stacking,
hydrogen
bonding
facilitates
ordered
molecular
arrangement,
better
crystallization
reduced
non‐radiative
recombination.
Meanwhile,
DBrT
can
also
spontaneously
diffuse
grain
boundary,
thus
permeate
top
buried
surfaces
perovskite,
further
defects
at
interfaces
reducing
This
strategy
not
only
energy
level
alignment
carrier
transport
but
achieves
a
champion
power
conversion
efficiency
(PCE)
22.40%
for
inverted
PSC
with
high
1.27
V.
PCE
20.39%
semi‐transparent
devices,
28.31%
4‐terminal
all‐perovskite
cells,
thereby
offering
comprehensive
approach
enhancing
performance
perovskites.
Язык: Английский
Improving Performance of Perovskite Solar Cells by Reducing Energetic Disorder of Hole Transport Polymer
Xuanang Luo,
Sen Yin,
Zhihui Xiong
и другие.
Small,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 23, 2024
Abstract
Polymer
hole
transport
materials
offer
significant
efficiency
and
stability
advantages
for
p–i–n
perovskite
solar
cells.
However,
the
energetic
disorder
of
amorphous
polymer
not
only
limits
carrier
but
also
impedes
contact
between
perovskite,
hindering
formation
high
crystalline
quality
perovskites.
Herein,
a
novel
low
disordered
material,
PF8ICz,
featuring
an
indeno[3,2‐
b
]carbazole
unit
with
extended
π‐conjugation
is
designed
synthesized.
Analyses
based
on
both
theoretical
calculations
experimental
validation
highlight
PF8ICz
as
material
cells,
including
improved
transport,
enhanced
affinity/passivation,
optimized
energy
levels.
Perovskite
films
formed
atop
exhibit
superior
exciton
dynamics.
PF8ICz‐based
cells
achieve
remarkable
power
(PCE
>
25.4%)
outstanding
(retaining
96.2%
95.0%
their
PCE
under
ISOS‐D‐3
ISOS‐L‐3
protocols
over
1000
h,
respectively).
These
findings
underscore
importance
rational
design
materials,
contributing
to
development
high‐performance,
stable
sustainable
solutions.
Язык: Английский