Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 10, 2024
Abstract
Flexible
and
stretchable
organic
solar
cells
(FOSCs
SOSCs)
hold
immense
potential
due
to
their
versatility
applicability
in
emerging
areas
such
as
wearable
electronics,
foldable
devices,
biointegrated
systems.
Despite
these
promising
applications,
several
challenges
remain,
primarily
related
the
mechanical
durability,
material
performance,
scalability
required
for
commercialization.
This
review
comprehensively
highlights
recent
advancements
design
fabrication
of
FOSCs
SOSCs,
with
a
particular
emphasis
on
key
functional
layers,
including
transparent
conductive
electrodes,
interfacial
photoactive
materials,
top
electrodes.
Innovations
design,
active
layers
electrodes
improved
flexibility,
are
discussed
alongside
developments
device
processes
achieve
power
conversion
efficiencies
exceeding
19%.
Furthermore,
addresses
remaining
challenges,
need
scalable
manufacturing
techniques
enhanced
robustness
under
strain.
Finally,
prospects
SOSCs
analyzed,
providing
insights
into
how
technologies
can
contribute
development
sustainable,
high‐performance
sources
electronic
devices
other
flexible
electronics.
offers
valuable
insights,
bringing
commercialization
wearable,
closer
reality.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Aug. 10, 2024
The
nanoscale
fibrillar
morphology,
featuring
long-range
structural
order,
provides
abundant
interfaces
for
efficient
exciton
dissociation
and
high-quality
pathways
effective
charge
transport,
is
a
promising
morphology
high
performance
organic
solar
cells.
Here,
we
synthesize
thiophene
terminated
non-fullerene
acceptor,
L8-ThCl,
to
induce
the
fibrillization
of
both
polymer
donor
host
that
surpasses
20%
efficiency
milestone
After
adding
original
weak
less
continuous
nanofibrils
donors,
i.e.
PM6
or
D18,
are
well
enlarged
refined,
whilst
acceptor
L8-BO
also
assembles
into
with
enhanced
order.
By
adapting
layer-by-layer
deposition
method,
order
can
be
retained
significantly
boost
power
conversion
efficiency,
specific
values
19.4%
20.1%
PM6:L8-ThCl/L8-BO:L8-ThCl
D18:L8-ThCl/L8-BO:L8-ThCl
devices,
latter
being
certified
20.0%,
which
highest
reported
so
far
single-junction
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(5), P. 3871 - 3915
Published: Jan. 23, 2024
Energy
harvesting
textiles
have
emerged
as
a
promising
solution
to
sustainably
power
wearable
electronics.
Textile-based
solar
cells
(SCs)
interconnected
with
on-body
electronics
meet
such
needs.
These
technologies
are
lightweight,
flexible,
and
easy
transport
while
leveraging
the
abundant
natural
sunlight
in
an
eco-friendly
way.
In
this
Review,
we
comprehensively
explore
working
mechanisms,
diverse
types,
advanced
fabrication
strategies
of
photovoltaic
textiles.
Furthermore,
provide
detailed
analysis
recent
progress
made
various
types
textiles,
emphasizing
their
electrochemical
performance.
The
focal
point
review
centers
on
smart
for
electronic
applications.
Finally,
offer
insights
perspectives
potential
solutions
overcome
existing
limitations
textile-based
photovoltaics
promote
industrial
commercialization.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(29)
Published: Feb. 8, 2024
Abstract
Intrinsically
stretchable
organic
photovoltaic
cells
(OPVs)
have
garnered
significant
attention
as
crucial
devices
for
powering
next‐generation
wearable
electronics.
Despite
the
rapid
power
conversion
efficiency
gains
in
champion
OPVs,
their
brittle
stretchability
has
failed
to
meet
demands
of
Internet
Things
era,
severely
hindering
further
development
and
practical
applications.
In
this
regard,
a
new
dual‐donor
polymer
blending
strategy
is
demonstrated
constructing
intrinsically
OPVs
by
designing
novel
high‐molecular–weight
conjugated
PM6‐HD.
This
PM6
derivative
featuring
long
alkyl
chains
can
reach
sufficiently
high
molecular
weight
thus
exhibits
fracture
strain
exceeding
90%,
which
≈12
times
higher
than
benchmark
PM6.
Synergistic
optimization
mechanical
properties
performance
polymer:small
molecule
all‐polymer
systems
constructed
from
physical
blends
PM6‐HD
achieved.
Crucially,
resulting
OPV
demonstrates
excellent
stability,
with
record
PCE
80%
50.3%
retention
above
even
after
1000
cycles
cyclic
stretching
at
strains.
work
contributes
advancement
technology
opens
up
possibilities
its
integration
into
electronic
devices.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(22)
Published: March 26, 2024
Abstract
Designing
new
acceptors
is
critical
for
intrinsically
stretchable
organic
solar
cells
(IS‐OSCs)
with
high
efficiency
and
mechanical
robustness.
However,
nearly
all
polymer
exhibit
limited
high‐performance
small
molecular
are
very
brittle.
In
this
regard,
we
select
thienylene‐alkane‐thienylene
(TAT)
as
the
conjugate‐break
linker
synthesize
four
dimerized
by
regulation
of
connecting
sites
halogen
substitutions.
It
found
that
substitutions
considerably
impact
overall
electronic
structures,
aggregation
behaviors,
charge
transport
properties.
Benefiting
from
optimization
structure,
acceptor
exhibits
rational
phase
separation
within
blend
films,
which
significantly
facilitates
exciton
dissociation
while
effectively
suppressing
recombination
processes.
Consequently,
FDY‐m‐TAT‐based
rigid
OSCs
render
highest
power
conversion
(PCE)
18.07
%
among
reported
containing
linker.
Most
importantly,
IS‐OSCs
achieve
PCE
(14.29
%)
remarkable
stretchability
(crack‐onset
strain
[COS]=18.23
%),
surpassing
Y6‐based
counterpart
(PCE=12.80
COS=8.50
%).
To
sum
up,
these
findings
demonstrate
linkers
have
immense
potential
in
developing
highly
efficient
mechanically
robust
OSCs.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(18)
Published: Feb. 9, 2024
Abstract
The
progress
of
stretchable
and
wearable
photovoltaics
relies
heavily
on
intrinsically
active
layer
films.
Nevertheless,
there
is
a
paucity
research
clarifying
the
connections
between
their
microstructure,
performance,
adaptation
to
large
strain
in
polymer
electronic
current
study
utilizes
multiple
synchrotron
X‐ray
scattering
methods
collectively
examine
correlations
morphology
stretchability,
as
well
microstructural
evolution
induced
by
stretching
three
sample
cases
highly
ternary
blend
These
blends
contain
over
30%
weight
elastomer,
such
styrene‐ethylene‐butylene‐styrene
block
copolymer,
integrated
into
high‐performance
polymer:nonfullerene
small
molecule
mixture.
Specifically,
real‐time
changes
these
durable
organic
photovoltaic
films
with
elastomers
are
monitored
when
subjected
tensile
through
situ
scattering.
experiments
demonstrate
that
polymeric
can
effectively
lower
degree
crystallinity
deform
crystallites
semiconductor
molecules.
elastomeric
component
aids
stress
dispersion
during
stretching,
thereby
improving
durability
This
provides
new
recommendations
for
advancing
optoelectronic
devices.
Energy & Environmental Science,
Journal Year:
2023,
Volume and Issue:
16(12), P. 5822 - 5831
Published: Jan. 1, 2023
Molecular
ordering
effect
of
semi-paracrystalline
polymers
on
the
solution
aggregation
structure,
morphology,
and
performance
polymer/nonfullerene
blends
has
been
thoroughly
investigated
by
advanced
neutron
scattering
complementary
techniques.
Advanced Energy Materials,
Journal Year:
2023,
Volume and Issue:
14(2)
Published: Nov. 27, 2023
Abstract
With
the
great
increase
in
installation,
photovoltaics
will
develop
as
main
power
supply
source
for
world
shortly.
However,
actual
generation
and
lifetime
of
are
greatly
compromised
by
high
working
temperature
under
outdoor
operation.
In
this
review,
recent
advances
four
promising
passive
photovoltaic
cooling
methods
summarized
with
aim
to
uncover
their
principles,
performance,
application
potential
devices.
For
radiative
cooling,
light
management
strategies
ultraviolet‐photon
downshift
sub‐bandgap
reflection
discussed
detail
reveal
reducing
enhancing
generation.
Subsequently,
benefits
evaporative
underlined
terms
its
superior
drop
Moreover,
integrated
strategy
is
further
highlighted
due
electricity
production
fresh
water
supply.
Most
crucially,
remaining
challenges
authors'r
insights
presented
advance
commercial
applications
photovoltaics.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(26)
Published: May 13, 2024
Abstract
High
power
conversion
efficiency
(PCE)
and
mechanical
robustness
are
prerequisites
for
wearable
applications
of
organic
solar
cells
(OSCs).
However,
stretchability
present
active
systems
(i.e.,
crack‐onset
strain
(COS)
<
30%)
should
be
improved.
While
introducing
elastomers
into
is
considered
a
simple
method
improving
stretchability,
the
inclusion
typically
results
in
decrease
PCE
OSC
with
limited
enhancement
due
to
lack
interconnected
electrical
pathways.
In
this
study,
it
developed
efficient
intrinsically
stretchable
(IS)‐OSCs
exceptional
robustness,
by
constructing
co‐continuous
networks
conjugated
polymers
(D18)
(SEBS)
within
layers.
It
demonstrated
that
blend
film
specific
ratio
(40:60
w/w)
D18:SEBS
crucial
forming
structures,
establishing
well‐connected
channels.
Consequently,
D18
0.4
:SEBS
0.6
/L8‐BO
OSCs
achieve
16‐times
higher
(COS
=
126%)
than
based
on
D18/L8‐BO
8%),
while
achieving
4‐times
(12.13%)
compared
SEBS‐rich
layers
(D18
0.2
0.8
/L8‐BO,
3.15%).
Furthermore,
‐based
IS‐OSCs
preserve
86
90%
original
PCEs
at
50%
after
200
stretching/releasing
cycles
15%
strain,
respectively,
demonstrating
highest
among
reported
IS‐OSCs.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(16), P. 5950 - 5961
Published: Jan. 1, 2024
Intrinsically
stretchable
all-polymer
solar
cells
with
exceptional
stability,
stretchability,
mechanical
robustness
(1000
cycles
at
50%
strain)
and
improved
output
power
were
developed
via
entangled
polymer
additive,
which
is
widely
applicable.