Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(15), P. 5542 - 5551
Published: Jan. 1, 2024
The
efficiency
of
non-halogenated
organic
solar
cells
is
improved
from
17.1%
to
19.4%
after
dibenzyl
ether
(DBE)
additive
treatment.
More
strikingly,
the
thick-film
devices
achieved
a
champion
17.4%.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(6), P. 2182 - 2192
Published: Jan. 1, 2024
In
this
work,
we
present
a
conceptual
strategy
based
on
multi-acceptor
components
to
realize
balanced
crystallization
kinetics
in
organic
solar
cells
(OSC)
that
deliver
19.35%
power
conversion
efficiency
with
superior
photostability.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(25)
Published: March 13, 2024
Abstract
Large‐area
printing
fabrication
is
a
distinctive
feature
of
organic
solar
cells
(OSCs).
However,
the
advance
upscalable
challenged
by
thickness
active
layers
considering
importance
both
exciton
dissociation
and
charge
collection.
In
this
work,
bulk‐heterojunction‐buried
(buried‐BHJ)
structure
introduced
sequential
deposition
to
realize
efficient
collection,
thereby
contributing
OSCs
with
500
nm
thick
layers.
The
buried‐BHJ
distributes
donor
acceptor
phases
in
vertical
direction
as
transport
channels,
while
numerous
BHJ
interfaces
are
buried
each
phase
facilitate
simultaneously.
It
found
that
configurations
possess
rapid
transport,
resulting
reduced
recombination
losses.
comparison
traditional
structures,
displays
decent
tolerance
film
thickness.
particular,
power
conversion
efficiency
16.0%
achieved
at
nm.
To
best
authors’
knowledge,
represents
champion
OSCs.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(38)
Published: April 27, 2024
Abstract
Obtaining
a
well‐accurate
vertical
distribution
active
layer
morphology
through
the
air‐printing
process
is
an
essential
task
for
achieving
efficient
scalable
large‐area
organic
solar
cells
(OSCs).
In
this
target,
desired
and
controllable
pseudo
planar
heterojunction
(PPHJ)
structure
with
suitable
phase
separation
developed
by
pre‐deposited
D18‐Cl
under
PM6:BTP‐eC9
film
via
eco‐friendly
manufacturing
method.
The
addition
of
regulates
molecular
crystallization
leads
to
ideal
stratification
while
simultaneously
suppressing
voltage
loss,
optimizing
energetic
disorder,
carrier
management.
Impressively,
optimal
PPHJ
devices
perform
superior
power
conversion
efficiencies
(PCEs)
19.05%
(100
nm),
17.33%
(300
14.14%
(4
cm
2
)
compared
BHJ
devices.
Importantly,
OSCs
also
exhibit
impressive
extrapolated
T
80
(the
time
required
reach
80%
initial
PCE)
long‐time
storage
operational
stability,
as
well
thermal
stability.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(18)
Published: Jan. 30, 2024
Abstract
Semi‐transparent
organic
solar
cells
(ST‐OSCs)
possess
significant
potential
for
applications
in
vehicles
and
buildings
due
to
their
distinctive
visual
transparency.
Conventional
device
engineering
strategies
are
typically
used
optimize
photon
selection
utilization
at
the
expense
of
power
conversion
efficiency
(PCE);
moreover,
fixed
spectral
range
always
imposes
an
unsatisfactory
upper
limit
its
light
(LUE).
Herein,
a
novel
solid
additive
named
1,3‐diphenoxybenzene
(DB)
is
employed
dual‐regulate
donor/acceptor
molecular
aggregation
crystallinity,
which
effectively
broadens
response
ST‐OSCs
near‐infrared
region.
Besides,
more
visible
allowed
pass
through
devices,
enables
satisfactory
photocurrent
high
average
transmittance
(AVT)
simultaneously.
Consequently,
optimal
ST‐OSC
based
on
PP2+DB/BTP‐eC9+DB
achieves
superior
LUE
4.77%,
representing
highest
value
within
AVT
40–50%,
also
correlates
with
formation
multi‐scale
phase‐separated
morphology.
Such
results
indicate
that
can
simultaneously
meet
requirements
minimum
commercial
plant
photosynthesis
when
integrated
roofs
agricultural
greenhouses.
This
work
emphasizes
significance
additives
tune
ST‐OSCs,
charts
way
photovoltaics
economically
sustainable
development.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(15), P. 5542 - 5551
Published: Jan. 1, 2024
The
efficiency
of
non-halogenated
organic
solar
cells
is
improved
from
17.1%
to
19.4%
after
dibenzyl
ether
(DBE)
additive
treatment.
More
strikingly,
the
thick-film
devices
achieved
a
champion
17.4%.