Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(25)
Published: April 16, 2024
Abstract
Ternary
organic
solar
cells
(T‐OSCs)
represent
an
efficient
strategy
for
enhancing
the
performance
of
OSCs.
Presently,
majority
high‐performance
T‐OSCs
incorporates
well‐established
Y‐acceptors
or
donor
polymers
as
third
component.
In
this
study,
a
novel
class
conjugated
small
molecules
has
been
introduced
component,
demonstrating
exceptional
photovoltaic
in
T‐OSCs.
This
innovative
molecule
comprises
ethylenedioxythiophene
(EDOT)
bridge
and
3‐ethylrhodanine
end
group,
with
EDOT
unit
facilitating
creation
multiple
conformation
locks.
Consequently,
EDOT‐based
exhibits
two‐dimensional
charge
transport,
distinguishing
it
from
thiophene‐bridged
molecule,
which
displays
fewer
locks
provides
one‐dimensional
transport.
Furthermore,
robust
electron‐donating
nature
imparts
cascade
energy
levels
relative
to
electron
acceptor.
As
result,
OSCs
incorporating
component
demonstrate
enhanced
mobilities,
yielding
remarkable
efficiency
19.3
%,
surpassing
18.7
%
observed
thiophene‐based
The
investigations
study
underscore
excellence
building
block
constructing
materials
high
carrier
thereby
contributing
elevated
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 16, 2025
Abstract
Organic
solar
cells
(OSCs)
have
garnered
significant
attention
owing
to
the
light
weight,
flexibility,
and
low
cost.
Continuous
improvement
in
molecular
design,
morphology
control,
device
fabrication
has
propelled
power
conversion
efficiency
of
OSCs
beyond
20%.
While
obtaining
long‐term
stability
is
still
a
critical
obstacle
for
commercialization
OSCs.
The
nano‐
microstructural
characteristics
active
layer
morphology—including
stacking,
phase
separation,
domain
sizes—play
pivotal
role
determining
performance.
Consequently,
comprehensive
understanding
how
film
structure
impacting
methods
control
are
vital
improving
lifetime.
This
review
seeks
elucidate
structure–performance
relationship
between
from
nanoscale
microscale
stability.
It
can
provide
rational
guidance
enhance
accelerating
Moisture
in
the
air
can
harm
photovoltaic
performance
of
organic
(OPV)
devices
due
to
serious
charge
recombination
induced
by
moisture.
The
interface
between
electron
transport
layer
(ETL)
and
top
electrode
is
easily
invaded
moisture
since
it
outermost
interlayer
device.
Here,
we
report
an
effective
strategy
enhance
resistance
device
modifying
ETL
ZnO
nanoparticles
(ZnO
NPs)
with
a
coordination
interlayer.
This
dramatically
strengthens
adhesion
NPs
Ag
electrode,
thereby
reducing
invasion
at
enhancing
device's
stability
air.
After
introducing
interlayer,
power
conversion
efficiency
(PCE)
unencapsulated
increased
substantially
from
0.1%
16.3%
when
measured
under
open-air
conditions.
Notably,
retained
85%
56%
initial
PCE
after
14
days
1
year
storage
air,
respectively.
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(25)
Published: April 16, 2024
Abstract
Ternary
organic
solar
cells
(T‐OSCs)
represent
an
efficient
strategy
for
enhancing
the
performance
of
OSCs.
Presently,
majority
high‐performance
T‐OSCs
incorporates
well‐established
Y‐acceptors
or
donor
polymers
as
third
component.
In
this
study,
a
novel
class
conjugated
small
molecules
has
been
introduced
component,
demonstrating
exceptional
photovoltaic
in
T‐OSCs.
This
innovative
molecule
comprises
ethylenedioxythiophene
(EDOT)
bridge
and
3‐ethylrhodanine
end
group,
with
EDOT
unit
facilitating
creation
multiple
conformation
locks.
Consequently,
EDOT‐based
exhibits
two‐dimensional
charge
transport,
distinguishing
it
from
thiophene‐bridged
molecule,
which
displays
fewer
locks
provides
one‐dimensional
transport.
Furthermore,
robust
electron‐donating
nature
imparts
cascade
energy
levels
relative
to
electron
acceptor.
As
result,
OSCs
incorporating
component
demonstrate
enhanced
mobilities,
yielding
remarkable
efficiency
19.3
%,
surpassing
18.7
%
observed
thiophene‐based
The
investigations
study
underscore
excellence
building
block
constructing
materials
high
carrier
thereby
contributing
elevated
