Bulletin of the Karaganda University Physics Series,
Год журнала:
2023,
Номер
111(3), С. 6 - 15
Опубликована: Сен. 30, 2023
The
emergence
of
multiple-junction
photovoltaics
(PVs)
has
presented
a
remarkable
opportunity
to
overcome
the
Shockley-Queisser
limit
single-junction
solar
cells.
Recently,
perovskite
cells
(PSCs)
and
organic
(OPVs)
are
two
most
promising
new-generation
PVs,
which
have
gained
widespread
attention
in
PV
community
due
their
exceptional
rapid
growth
power
conversion
efficiencies
(PCEs).
Combining
PSCs
OPVs
tandem
structures
offers
numerous
advantages,
such
as
ability
tune
bandgap
absorbers
regulate
absorption
bands
enhance
transparency.
use
thin-film
technology
ensures
that
devices
lightweight
flexible,
is
particularly
advantageous
for
certain
applications.
Furthermore,
both
low-cost,
making
them
attractive
large-scale
deployment
future.
These
advantages
will
make
PSC/OPV
applications
beyond
traditional
silicon-based
PVs.
This
review
provides
an
up-to-date
account
on
recent
progress
state-of-the-art
fabrication
techniques
material
engineering
properties
PSC
OPV
sub
well
functional
layers
discussed.
A
perspective
guidance
also
given
direct
future
development
this
type
paper
insight
into
providing
researchers
with
roadmap
advance
further
unlock
its
full
potential
field
renewable
energy.
Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 12, 2025
Abstract
Compared
to
conventional
organic
solar
cells
(OSCs)
with
acidic
PEDOT:PSS
as
the
hole
transport
layer
(HTL),
inverted
OSCs
(i‐OSCs)
zinc
oxide
(ZnO)
electron
(ETL)
display
significant
advantages
in
terms
of
high
stability.
However,
an
obvious
limitation
i‐OSCs
is
that
sol‐gel
processed
ZnO
layers
possess
detrimental
defects
at
interface,
which
hinders
improvement
its
photovoltaic
performance.
To
address
this
problem,
a
natural,
and
green
dextran
(Dex)
used
efficient
interfacial
passivator
modify
layer,
thereby
achieving
enhanced
device
performance
i‐OSCs.
The
introduction
Dex
efficiently
suppresses
recombination
loss,
resulting
higher
power
conversion
efficiencies
(PCEs).
Interestingly,
Dex‐passivated
exhibits
broad
applications
ETL
for
different
types
i‐OSCs,
including
fullerene,
non‐fullerene,
all‐polymer
OSCs,
D18:Y6
system
gives
highest
PCE
18.32%.
This
one
values
reported
binary
Moreover,
application
significantly
improves
stability,
T
80
lifetimes
based
on
PM6:Y6,
D18:Y6,
PM6:PY‐IT
exceed
1500
h.
These
results
imply
excellent
ZnO‐based
high‐efficiency
stable
ACS Applied Electronic Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 22, 2025
Over
the
past
decade,
organic
solar
cells
(OSCs)
have
made
noticeable
progress
in
photovoltaic
performance
thanks
to
emergence
of
electron
acceptors
capable
intramolecular
charge
transfer,
namely,
nonfullerene
small
molecules.
OSCs
continue
gain
momentum
by
employing
self-assembled
monolayers
(SAMs)
as
transport
layers,
particularly
those
involving
conjugated
system
their
functional
groups
and/or
spacers.
This
review
provides
an
overview
SAMs,
covering
molecular
designs,
fabrication
methods,
and
various
functions
OSCs.
Additionally,
it
highlights
currents
issues
surrounding
along
with
efforts
address
them
future
perspectives.
Energy & environment materials,
Год журнала:
2024,
Номер
7(5)
Опубликована: Май 11, 2024
The
development
of
high‐performance
organic
solar
cells
(OSCs)
with
high
operational
stability
is
essential
to
accelerate
their
commercialization.
Unfortunately,
our
understanding
the
origin
instabilities
in
state‐of‐the‐art
OSCs
based
on
bulk
heterojunction
(BHJ)
featuring
non‐fullerene
acceptors
(NFAs)
remains
limited.
Herein,
we
developed
NFA‐based
using
different
charge
extraction
interlayer
materials
and
studied
storage,
thermal,
stabilities.
Despite
power
conversion
efficiency
(PCE)
(17.54%),
found
that
self‐assembled
monolayers
(SAMs)
as
hole‐extraction
interlayers
exhibited
poor
stability.
time
required
for
these
reach
80%
initial
performance
(T
80
)
was
only
6
h
under
continuous
thermal
stress
at
85
°C
a
nitrogen
atmosphere
1
maximum
point
tracking
(MPPT)
vacuum.
Inserting
MoO
x
between
ITO
SAM
enhanced
T
50
~15
after
tests,
respectively,
while
maintaining
PCE
16.9%.
Replacing
PDINN
electron
transport
layer
ZnO
NPs
further
enhances
cells'
stability,
boosting
1000
170
h,
respectively.
Our
work
reveals
synergistic
roles
charge‐selective
device
architecture
developing
efficient
stable
OSCs.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 5, 2024
Abstract
Significant
advancements
in
power
conversion
efficiency
have
been
achieved
organic
solar
cells
with
small
molecule
acceptors.
However,
stability
remains
a
primary
challenge,
impeding
their
widespread
adoption
renewable
energy
applications.
This
review
summarizes
the
degradation
of
different
layers
within
device
structure
under
varying
conditions,
including
light,
heat,
moisture,
and
oxygen.
For
photoactive
layers,
chemical
pathways
polymer
donors
acceptors
are
examined
detail,
alongside
morphological
bulk
heterojunction
structure,
which
plays
crucial
role
performance.
The
mechanisms
commonly
used
anode
cathode
interlayers
electrodes
addressed,
as
these
significantly
influence
overall
stability.
Mitigation
methods
for
identified
provided
each
section
to
offer
practical
insights
improving
longevity.
Finally,
an
outlook
presents
remaining
challenges
achieving
long‐term
stability,
emphasizing
research
directions
that
require
further
investigation
enhance
reliability
performance
real‐world
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 7, 2024
Abstract
A
strategically
designed
donor–acceptor
(D‐A)
block
copolymer
(PM6‐
b
‐PYIT)
is
introduced,
as
a
compatibilizer
to
enhance
the
performance
and
stability
of
inverted
organic
solar
cells
(OSCs)
consisting
bulk
heterojunction
(BHJ)
PM6
L8‐BO.
The
PM6‐
‐PYIT
not
only
significantly
boosts
power
conversion
efficiency
from
16.32%
18.02%,
but
also
further
modulates
molecular
arrangement
improves
compatibility
between
donor
acceptor
materials.
This
stems
structural
similarity
host
materials,
which
facilitates
ordered
stacking
superior
charge‐transporting
properties,
thereby
improving
dielectric
constant
built‐in
voltage
mitigating
excessive
charge
recombination.
More
importantly,
role
in
stabilizing
BHJ
morphology
under
long‐term
aging
conditions
highlighted,
ascribed
improved
miscibility
different
components
composite.
turn
renders
photoactive
layer
more
mechanically
durable,
making
it
suitable
for
stretchable
applications.
Herein,
a
new
ternary
strategy
to
fabricate
efficient
and
photostable
inverted
organic
photovoltaics
(OPVs)
is
introduced
by
combining
bulk
heterojunction
(BHJ)
blend
fullerene
self-assembled
monolayer
(C
ACS Energy Letters,
Год журнала:
2023,
Номер
8(10), С. 3989 - 3998
Опубликована: Авг. 31, 2023
Although
the
morphological
instability
of
bulk-heterojunction
(BHJ)
organic
solar
cells
(OSCs)
based
on
a
small-molecule
nonfullerene
acceptor
(SM-NFA)
is
regarded
as
an
important
issue
for
understanding
thermal
stability,
interfacial
deterioration
between
chemically
vulnerable
SM-NFAs
and
layer
containing
reactive
species
also
crucial.
Herein,
we
identified
that
chemical
degradation
SM-NFA
zinc
oxide
(ZnO)
under
stress
more
critical
by
systematically
examining
three
have
different
transition
temperature
(Tg)
values;
Tg
decreased,
increased.
However,
introduction
highly
polar
volatile
molecule,
5-methyl-1H-benzotriazole
(M-BT),
into
BHJ
effectively
passivates
defects
ZnO
surface
forming
self-assembled
layer.
The
optimized
target
device
exhibited
excellent
long-term
stability
retains
above
85%
initial
efficiency
after
1000
h
(=T85)
at
85
°C
N2
atmosphere,
while
short
T85
within
20
was
obtained
in
control
device.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(3), С. 3778 - 3785
Опубликована: Янв. 10, 2024
Although
recent
dramatic
advances
in
power
conversion
efficiencies
(PCEs)
have
resulted
values
over
19%,
the
poor
photostability
of
organic
photovoltaics
(OPVs)
has
been
a
serious
bottleneck
to
their
commercialization.
The
photocatalytic
effect,
which
is
caused
by
incident
ultraviolet-A
(UV-A,
320–400
nm)
light
most
commonly
used
zinc
oxide
(ZnOX)
electron
transport
layer
(ETL),
significantly
deteriorates
OPVs.
In
this
work,
we
develop
new
and
facile
method
enhance
nonfullerene
acceptor-based
OPVs
introducing
UV-A-insensitive
titanium
suboxide
(TiOX)
ETL.
Through
an
in-depth
analysis
mass
information
at
interface
between
ETL
photoactive
layer,
confirm
that
TiOX
suppresses
effect.
resulting
device
employing
shows
excellent
photostability,
obtaining
80%
initial
PCE
for
up
200
h
under
1
sun
illumination,
10
times
longer
than
conventional
ZnOX
system
(19
h).
