Solar RRL,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 13, 2024
Herein,
a
straightforward
vacuum‐assisted
method
is
introduced
to
enhance
the
stability
of
nonfullerene
organic
solar
cells
(OSCs).
The
method,
termed
“prevacuum”
involves
subjecting
active
layer
(D18:Y6)
low‐pressure
vacuum
(−1
bar)
before
thermal
annealing
at
100
°C.
Compared
untreated
devices,
prevacuum‐treated
OSCs
exhibit
notable
increase
in
power
conversion
efficiency
from
13.71%
14.90%.
This
enhancement
attributed
improved
light
absorption
and
charge
extraction,
as
evidenced
by
external
quantum
measurements.
Moreover,
prevacuum
treatment
significantly
improves
device
under
operational
conditions,
with
30%
loss
occurring
after
8.25
h
compared
4.5
for
devices.
improvement
removal
volatile
components
impurities
during
process,
leading
more
hydrophobic
stable
layer.
study
demonstrates
efficacy
simple
accessible
enhancing
performance
longevity
OSCs,
paving
way
their
broader
application
sustainable
energy
technologies.
Battery energy,
Journal Year:
2024,
Volume and Issue:
3(4)
Published: Feb. 28, 2024
Abstract
Organic
solar
cells
(OSCs)
have
received
widespread
attention
due
to
their
light
weight,
low
cost,
semitransparency,
and
ease‐of‐solution
processing.
By
continuously
improving
materials
design,
active
layer
morphology,
device
fabrication
techniques,
the
power
conversion
efficiency
(PCE)
of
OSCs
exceeded
20%.
The
morphology
layer,
which
includes
phase
separation
structure,
degree
crystallinity
molecules,
domain
sizes,
plays
a
critically
important
role
in
performance,
is
significantly
influenced
by
crystallization
dynamics
donor
acceptor.
Therefore,
it
crucial
comprehensively
understand
how
impact
film
structure
effectively
employ
kinetic
procedure
enhance
OSCs.
In
this
review,
methods
principles
kinetics
characterization
were
introduced.
Afterward,
latest
advancements
control
film‐forming
post
annealing
process
are
outlined,
unveiling
underlying
mechanism.
conclusion,
potential
future
anticipated
projected.
Researchers
may
gain
comprehensive
understanding
dynamic
affects
through
potentially
enhancing
performance
Nanomanufacturing,
Journal Year:
2024,
Volume and Issue:
4(2), P. 81 - 98
Published: April 1, 2024
Organic
solar
cells
(OSCs)
are
becoming
increasingly
popular
in
the
scientific
community
because
of
their
many
desirable
properties.
These
features
include
solution
processability,
low
weight,
cost,
and
ability
to
process
on
a
wide
scale
using
roll-to-roll
technology.
Enhancing
efficiency
photovoltaic
systems,
particularly
high-performance
OSCs,
requires
study
into
not
only
material
design
but
also
interface
engineering.
This
demonstrated
that
two
different
types
OSCs
based
PTB7-Th:IEICO-4F
PM6:Y6
active
layers
use
ZnO
bilayer
electron
transport
layer
(ETL).
The
ETL
comprises
nanoparticle
(ZnO
NP)
created
from
sol-gel.
effect
incorporating
NPs
(ETL)
was
studied;
particular,
effects
electrical,
optical,
morphological
properties
initial
were
analyzed.
films
carry
charges
is
improved
by
addition
nanoparticles
(NPs),
which
increase
conductivity.
structure
had
better
crystallinity
smoother
film
surface
than
single-layer
sol-gel
ETL.
led
consistent
strong
interfacial
connection
between
photoactive
Therefore,
inverted
organic
with
as
exhibit
power
conversion
other
when
technique.
Journal of Computational Biophysics and Chemistry,
Journal Year:
2023,
Volume and Issue:
22(08), P. 1041 - 1066
Published: Aug. 20, 2023
In
this
study,
seven
new
molecules
(OA1–OA7)
were
introduced
with
the
goal
of
enhancing
photovoltaic
efficiency
solar
cells.
All
these
evaluated
by
using
density
functional
theory
(DFT).
designed
have
shorter
band
gap
and
higher
values
[Formula:
see
text]
than
reference.
For
confirming
charge
mobility,
optoelectronic
characterization
has
been
carried
out
densities
states
(DOS),
transition
matrix
(TDM),
molecular
electrostatic
potential
(MEP)
reorganization
energy.
The
in
also
improved.
stability
was
confirmed
analysis
non-covalent
interactions
(NCIs).
These
results
elaborate
on
superiority
novel-designed
over
pre-existing
(R)
molecule
as
blocks
for
better
organic
cell
applications.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 16, 2025
Abstract
Boosting
power
conversion
efficiency
(PCE)
of
organic
solar
cells
(OSCs)
has
been
restricted
by
its
undesirably
high
energy
loss,
especially
for
those
nonhalogenated
solvent‐processed
ones.
Here,a
dichloro‐methoxylated
terminal
group
in
an
asymmetric
small
molecular
acceptor
design,
which
realizes
a
significantly
reduced
non‐radiative
loss
(0.179
eV)
compared
to
symmetric
counterpart
(0.202
eV),
is
reported.
Consequently,
the
device
improved
up
20%
PM6:BTP‐eC9‐4ClO,
without
sacrificing
photon
harvest
or
charge
transport
ability
control
system
PM6:BTP‐eC9.
Further
characterizations
reveal
BTP‐eC9‐4ClO's
blend
film
demonstrates
suppressed
triplet
state
formation,
enabled
enhanced
electron
delocalization.
In
addition,
BTP‐eC9‐4ClO
found
be
thermally
stabler
than
BTP‐eC9,
and
thus
providing
stability,
whose
T80
value
reaches
>
7800
h
under
80
°C
anneal
N
2
via
linear
extrapolation.
This
work
represents
state‐of‐the‐art
performance
binary
OSCs
with
certified
results
(19.45%).
Journal of Applied Physics,
Journal Year:
2025,
Volume and Issue:
137(16)
Published: April 22, 2025
Recent
advancements
in
perovskite-type
hybrid
solar
cells
(PSCs)
have
driven
significant
interest
due
to
their
promising
photovoltaic
properties
and
potential
replace
conventional
silicon-based
cells.
In
this
work,
we
explore
the
use
of
N-[(3-dimethylamino)
propyl]
methacrylamide
as
an
ionic
additive
MAPbI3
PSCs
with
structure
fluorine-doped
tin
oxide/TiO2/perovskite/spiro-OMeTAD/Ag.
This
aims
enhance
device
stability
by
reducing
surface
defects
mitigating
degradation
under
environmental
conditions.
Structural
characterization
through
x-ray
diffraction
photoelectron
spectroscopy
demonstrates
that
incorporation
improves
moisture
resistance
structural
integrity
perovskite
layer.
Devices
containing
exhibit
reduced
formation
PbI2,
even
after
prolonged
exposure
ambient
conditions,
significantly
enhancing
stability.
These
findings
underscore
role
engineering
passivating
preserving
performance.
work
highlights
a
practical
approach
improving
durability
cells,
contributing
advancement
stable
efficient
next-generation
technologies.