Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 7, 2024
The
solution
aggregation
structure
of
conjugated
polymers
is
crucial
to
the
morphology
and
resultant
optoelectronic
properties
organic
electronics
considerable
interest
in
field.
Precise
characterizations
structures
photovoltaic
(OPV)
blends
their
temperature-dependent
variations
remain
challenging.
In
this
work,
three
representative
high-efficiency
OPV
using
small-angle
X-ray/neutron
scattering
are
systematically
probed.
Three
cases
processing
resiliency
elucidated
state-of-the-art
blends.
exceptional
PBQx-TF
can
be
attributed
minimal
changes
multiscale
at
elevated
temperatures.
Importantly,
a
new
parameter,
percentage
acceptors
distributed
within
polymer
aggregates
(Ф),
for
first
time
blend
solution,
establishes
direct
correlation
between
Ф
performance
quantified.
device
well
correlated
with
Kuhn
length
cylinder
related
L
Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 2, 2025
Abstract
In
recent
years,
polymer
solar
cells
(PSCs)
have
achieved
rapid
progress,
with
power
conversion
efficiencies
(PCEs)
reaching
up
to
20.25%,
driven
by
significant
advancements
in
device
fabrication
and
active‐layer
materials.
The
ternary
polymerization
strategy
has
proven
be
a
straightforward
effective
approach
for
developing
high‐performance
photoelectric
polymers
incorporating
third
monomer
into
the
backbone.
This
incorporation
effectively
optimizes
intrinsic
properties,
including
UV–vis
absorption,
energy
levels,
solubility,
crystallinity,
morphology,
charge
transfer,
mechanical
robustness,
batch‐to‐batch
reproducibility,
stability.
review
highlights
latest
designing
photoactive
copolymers
(both
donors
acceptors),
particular
focus
on
stability,
potential
applications
commercial
development.
aim
is
provide
valuable
guidance
development
of
materials
using
strategy.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(17)
Published: Feb. 8, 2024
Abstract
The
conjugated
small‐molecule
materials
of
organic
solar
cells
have
always
played
a
crucial
role
in
light‐harvesting,
charge
transport,
morphology
optimization,
and
the
attainment
efficient
devices.
advancement
novel
understanding
underlying
molecular
design
rules
serve
as
driving
force
for
furthering
stable
photovoltaic
Among
variety
principles,
symmetry‐breaking
strategy,
which
is
well
developed
3,9‐bis(2‐methylene‐(3‐(1,1‐dicyanomethylene)‐indanone))‐5,5,11,11‐tetrakis(4‐hexylphenyl)‐dithieno[2,3‐d:2′,3′‐d’]‐s‐indaceno[1,2‐b:5,6‐b’]dithiophene
(ITIC)‐series
acceptors,
recently
demonstrates
great
potential
acceptors
donors
realizing
high
power
conversion
efficiency.
In
this
review,
order
to
give
deep
insight
on
asymmetric
are
systematically
summarized
with
structure
elucidate
structure‐performance
relationship,
packing
behaviors,
evolution.
Not
only
delicate
balance
between
open
circuit
voltage
short‐circuit
current
density,
but
also
reductions
recombination
non‐radiative
considered
play
key
points
improving
performance
when
molecule
used
host
or
guest
materials.
Finally,
concise
challenges
outlooks
provided
future
development
application
molecules
strategies.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(47)
Published: Oct. 9, 2024
Abstract
The
emerging
non‐fullerene
acceptors
with
low
voltage
losses
have
pushed
the
power
conversion
efficiency
of
organic
solar
cells
(OSCs)
to
≈20%
auxiliary
morphology
optimization.
Thermal
annealing
(TA),
as
most
widely
adopted
post‐treatment
method,
has
been
playing
an
essential
role
in
realizing
potential
various
material
systems.
However,
procedure
TA,
i.e.,
way
that
TA
is
performed,
almost
identical
among
thousands
OSC
papers
since
≈30
years
ago
other
than
changes
temperature
and
time.
Herein,
a
reverse
thermal
(RTA)
technique
developed,
which
can
enhance
dielectric
constant
active
layer
film,
thereby
producing
smaller
Coulomb
capture
radius
(14.93
nm),
meanwhile,
forming
moderate
nano‐scale
phase
aggregation
more
favorable
face‐on
molecular
stacking
orientation.
Thus,
this
method
reduce
decline
open
circuit
conventional
by
achieving
decreased
radiative
(0.334
eV)
non‐radiative
(0.215
recombination
loss.
RTA
PM6:L8‐BO‐X
device
increases
19.91%
(certified
19.42%)
compared
(18.98%).
It
shown
exhibits
superb
universality
4
systems,
revealing
its
dramatic
be
employed
wide
range
OSCs.
ChemSusChem,
Journal Year:
2024,
Volume and Issue:
17(13)
Published: Feb. 19, 2024
Organic
solar
cells
(OSCs)
have
achieved
remarkable
power
conversion
efficiencies
(PCEs)
of
over
19
%
in
the
past
few
years
due
to
rapid
development
non-fullerene
acceptors
(NFAs).
However,
operational
stability
remains
a
great
challenge
that
inhibits
their
commercialization.
Recently,
oligomeric
NFAs
(ONFAs)
attracted
attention,
which
not
only
can
deliver
excellent
device
performance,
but
also
improve
thermal-/photo-
OSCs.
This
is
attributed
suppressed
molecular
diffusion
ONFAs
associated
with
high
glass-transition
temperature
(T
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
64(1)
Published: Aug. 30, 2024
Strong
electron-phonon
coupling
can
hinder
exciton
transport
and
induce
undesirable
non-radiative
recombination,
resulting
in
a
shortened
diffusion
distance
constrained
dissociation
organic
solar
cells
(OSCs).
Therefore,
suppressing
is
crucially
important
for
achieveing
high-performance
OSCs.
Here,
we
employ
the
solid
additive
to
regulating
The
planar
configuration
of
SA1
confers
significant
advantage
lattice
vibrations
active
layers,
reducing
scattering
excitons
by
phonons.
Consequently,
slow
but
sustained
hole
transfer
process
identified
SA1-assisted
film,
indicating
an
enhancement
efficiency.
Prolonged
length
lifetime
are
achieved
blend
film
processed
with
SA1,
attributed
low
recombination
rate
energetic
disorder
charge
carrier
transport.
As
result,
high
efficiency
20
%
was
ternary
device
remarkable
short-circuit
current.
This
work
highlights
role
improving
photovoltaic
performance
Wearable electronics.,
Journal Year:
2024,
Volume and Issue:
1, P. 26 - 40
Published: May 13, 2024
Recently,
wearable
electronic
devices
have
been
drawing
considerable
interest
because
of
their
versatility
in
a
wide
range
applications,
including
motion
detection,
smart
clothing,
and
health
surveillance.
Maintaining
an
adequate
power
supply
is
critical
factor
ensuring
the
continuous
operation
electronics.
Organic
solar
cells
(OSCs),
with
advantages
that
include
high
flexibility,
portability,
low-cost
solution-based
processing,
achieved
conversion
efficiencies
more
than
19%
can
thus
serve
as
self-powered
sources
for
sustainably
powered
In
this
review,
we
outline
use
OSCs
electronics,
encompassing
recent
progress
development
flexible
OSCs,
semitransparent
scalable
manufacturing
techniques
OSCs.
Additionally,
propose
challenges
specific
to
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(31)
Published: May 18, 2024
Multi-component
copolymerized
donors
(MCDs)
have
gained
significant
interest
and
been
rapidly
developed
in
flexible
organic
solar
cells
(f-OSCs)
recent
years.
However,
ensuring
the
power
conversion
efficiency
(PCE)
of
f-OSCs
while
retaining
ideal
mechanical
properties
remains
an
enormous
challenge.
The
fracture
strain
(FS)
value
typical
high-efficiency
blend
films
is
generally
less
than
8
%,
which
far
from
application
standards
wearable
photovoltaic
devices.
Therefore,
we
a
series
novel
MCDs
after
meticulous
molecular
design.
Among
them,
consistent
MCD
backbone
end-capped
functional
group
formed
highly
conjugated
plane,
solubilization
were
effectively
optimized
by
modifying
proportion
solubilized
alkyl
chains.
Consequently,
due
to
formation
entangled
structures
with
frozen
film
morphology
considerably
improved
high
ductility
active
layer,
P1
Cell Reports Physical Science,
Journal Year:
2024,
Volume and Issue:
5(3), P. 101883 - 101883
Published: March 1, 2024
Scaling
organic
solar
cells
(OSCs)
for
commercial
use
is
challenging.
High-quality
and
precise
scribing
needed
to
bridge
lab-scale
large-area
OSC
modules,
but
the
research
lags
significantly.
Here,
we
demonstrate
a
cost-effective
patterning
approach
using
355-nm
ultraviolet
nanosecond
pulsed
laser
performing
all
processes,
including
P1,
P2,
P3,
in
fabrication
of
modules.
Optimized
processing
enables
an
80-μm
interconnection
width,
comparable
with
femtosecond
methods,
broadens
process
window
P2
layer
patterning,
making
module
performance
less
impacted
by
indium
tin
oxide
damage.
With
scribing,
yields
impressive
geometric
fill
factor
98%
certified
power
conversion
efficiency
15.43%
aperture
area
11.30
cm2,
it
one
top-performing
modules
reported.
This
study
delivers
efficient,
repeatable
method
high-quality