Macromolecules,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 8, 2024
The
mechanical
properties
of
bulk
heterojunction
(BHJ)
films
play
critical
roles
in
the
operational
stability
organic
solar
cells
(OSCs)
real-world
applications.
While
existing
literature
extensively
explores
static
characteristics
BHJ
films,
time-dependent
are
largely
overlooked
despite
their
significance
addressing
temporal
stresses
encountered
during
practical
use.
To
address
this
gap,
representative
prepared,
and
reported.
It
is
demonstrated
that
regardless
whether
they
subjected
to
tensile
or
compressive
stress,
based
on
PC71BM,
Y6,
PYF-T-o
decreases
gradually,
all-polymer-based
have
lower
durability
than
small
molecule
fullerene
acceptors.
Furthermore,
impacts
continuous
tension
acceptor
aggregation
stacking
meticulously
studied,
evidencing
stress
modifies
degree
through
a
relative
displacement
molecules
within
films.
Additionally,
carrier
dynamics
studies
show
lifetimes
carriers
extended
following
application
tension.
This
work
raises
awareness
OSCs
provides
important
insights
into
development
novel
flexible
OSC
materials
device
fabrication
processes.
EPJ Photovoltaics,
Journal Year:
2024,
Volume and Issue:
15, P. 29 - 29
Published: Jan. 1, 2024
This
study
investigates
the
crucial
role
of
charge
transport
layers
in
enhancing
performance
inverted
organic
photovoltaic
cells
(OPVs)
through
advanced
numerical
simulations
using
OghmaNano
software.
OPVs
offer
distinct
advantages,
including
lightweight,
flexibility,
and
potential
cost-effectiveness
compared
to
traditional
silicon-based
counterparts,
making
them
pivotal
for
sustainable
energy
solutions.
We
evaluate
efficiency
(iOPVs)
employing
binary
(PM6:L8-BO)
ternary
(PM6:D18:L8-BO)
active
layers,
utilizing
electron
(ETLs)
ZnO,
TiO
2
,
SnO
hole
(HTLs)
such
as
MoO
3
PEDOT,
WO
.
Results
highlight
ZnO
with
a
15
nm-thick
layer
combined
HTL
achieving
an
impressive
18.89%
devices,
demonstrating
effectiveness
materials
blends.
The
demonstrates
that
or
ETLs
can
compete
effectively
ETLs,
particularly
when
used
at
thinner
thicknesses,
offers
alternative
fabrication
methods.
It
suggests
thin
ETL
(15
±
nm)
could
significantly
enhance
iOPV
devices.
Simulations
are
optimizing
device
configurations
enabling
rapid
prototyping
cost-effective
exploration
material
combinations
architectures.
These
play
critical
balancing
carrier
generation
efficiency,
collectively
maximizing
performance.
Overall,
underscores
optimized
thicknesses
advancing
OPV
technology
by
refining
manufacturing
processes
accelerating
adoption
Macromolecules,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 8, 2024
The
mechanical
properties
of
bulk
heterojunction
(BHJ)
films
play
critical
roles
in
the
operational
stability
organic
solar
cells
(OSCs)
real-world
applications.
While
existing
literature
extensively
explores
static
characteristics
BHJ
films,
time-dependent
are
largely
overlooked
despite
their
significance
addressing
temporal
stresses
encountered
during
practical
use.
To
address
this
gap,
representative
prepared,
and
reported.
It
is
demonstrated
that
regardless
whether
they
subjected
to
tensile
or
compressive
stress,
based
on
PC71BM,
Y6,
PYF-T-o
decreases
gradually,
all-polymer-based
have
lower
durability
than
small
molecule
fullerene
acceptors.
Furthermore,
impacts
continuous
tension
acceptor
aggregation
stacking
meticulously
studied,
evidencing
stress
modifies
degree
through
a
relative
displacement
molecules
within
films.
Additionally,
carrier
dynamics
studies
show
lifetimes
carriers
extended
following
application
tension.
This
work
raises
awareness
OSCs
provides
important
insights
into
development
novel
flexible
OSC
materials
device
fabrication
processes.