Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 29, 2024
Abstract
To
address
the
challenge
of
upscaling
single‐junction
perovskite
photovoltaics
(PV)
toward
market‐relevant
performance
in
a
structured
and
efficient
manner,
stage‐gate
approach
that
divides
process
into
stages
according
to
technology
readiness
levels
(TRLs)
is
proposed.
Whereas
first
stage
contains
only
material
research,
later
are
concerned
with
development
from
lab‐scale
devices
large‐area
modules,
properties
such
as
device
size
well
processing
methods
adapted
step‐by‐step
commercializable
techniques.
The
connected
by
gates
specify
criteria
must
be
met
for
or
transferred
next
stage.
In
addition,
literature
survey
keywords
“perovskite”
“module”
performed.
This
analysis
shows
most
reported
modules
have
an
area
between
10
cm
2
20
,
corresponding
3
TRL
5
scheme,
operational
stability
often
incompletely
reported.
These
findings
indicate
significant
gap
research
focus
on
elevated
stress
field
tests,
which
essential
transitioning
commercial
applications.
It
suggested
use
proposed
guideline
commercializing
PV.
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 15, 2025
Organic
solar
cells
(OSCs)
based
on
nonfullerene
acceptors
have
seen
tremendous
progress
recently,
which
qualifies
them
as
a
serious
next-generation
photovoltaic
technology.
However,
their
long-term
stability
is
still
key
issue
that
needs
to
be
addressed
the
way
commercialization.
For
relevant
stability,
gas
diffusion
barriers
are
needed
protect
OSCs
against
ambient
gases
such
oxygen
and
moisture.
Here,
we
explore
grown
by
atomic
layer
deposition
(ALD)
demonstrate
aluminum
oxide
at
80
°C
afford
can
operated
in
maximum
power
point
air
for
more
than
1000
h
without
notable
degradation.
At
same
time,
show
under
damp
heat
conditions,
i.e.,
elevated
temperature
humidity,
better
needed,
require
growth
temperatures
of
>80
°C,
not
tolerated
our
standard
p-i-n
type
OSCs.
We
significantly
improve
thermal
introduction
aluminum-doped
zinc
nanoparticles
(AZO-NPs)
electron
extraction
layers.
using
AZO-NPs
shown
withstand
ALD
barrier
layers
up
120
°C.
Finally,
introducing
an
oxide/titanium
multilayer
barrier,
successfully
prevent
corrosion
neat
encapsulated
with
these
nanolaminates
retain
above
80%
initial
efficiency
after
70
°C/70%
relative
humidity.
Our
results
contribute
improved
NFA
even
harsh
environments.
Nanoscale,
Год журнала:
2024,
Номер
16(17), С. 8307 - 8316
Опубликована: Янв. 1, 2024
In
this
work,
we
focus
on
perovskite–organic
tandem
solar
cells
(PO
TSCs)
with
advantages
in
device
performance,
manufacturing
cost,
and
diverse
applications
conclude
the
critical
factors
influencing
future
development
of
PO
TSCs.
Energy & Environmental Science,
Год журнала:
2024,
Номер
17(18), С. 6676 - 6697
Опубликована: Янв. 1, 2024
Reducing
voltage
losses
while
maintaining
high
photocurrents
is
the
holy
grail
of
current
research
on
non-fullerene
acceptor
(NFA)
based
organic
solar
cell.
Recent
focus
lies
in
understanding
various
fundamental
mechanisms
blends
with
minimal
energy
offsets
-
particularly
relationship
between
ionization
offset
(ΔIE)
and
free
charge
generation.
Here,
we
quantitatively
probe
this
multiple
NFA-based
by
mixing
Y-series
NFAs
PM6
different
molecular
weights,
covering
a
broad
power
conversion
efficiency
(PCE)
range:
from
15%
down
to
1%.
Spectroelectrochemistry
reveals
that
ΔIE
more
than
0.3
eV
necessary
for
efficient
photocurrent
Bias-dependent
time-delayed
collection
experiments
reveal
very
pronounced
field-dependence
generation
small
blends,
which
mirrored
strong
simultaneous
quantified
photoluminescence
NFA
local
singlet
exciton
(LE).
We
find
decay
excitons
primary
competition
low-offset
cells,
neither
noticeable
charge-transfer
(CT)
nor
evidence
LE-CT
hybridization.
In
agreement
conclusion,
transient
absorption
spectroscopy
consistently
smaller
slows
dissociation
into
charges,
albeit
restorable
an
electric
field.
Our
experimental
data
align
Marcus
theory
calculations,
supported
density
functional
simulations,
zero-field
efficiencies.
conclude
generally
requires
CT
state
located
below
LE,
but
restriction
lifted
systems
reorganization
transfer.
Abstract
Organic
Photovoltaics
(OPV)
is
a
very
promising
technology
to
harvest
artificial
illumination
and
power
smart
devices
of
the
Internet
Things
(IoT).
Efficiencies
as
high
30.2%
have
been
reported
for
OPVs
under
warm
white
light‐emitting
diode
(LED)
light.
This
due
narrow
spectrum
indoor
light,
which
leads
an
optimal
bandgap
≈1.9
eV.
Under
full
sunlight,
OPV
often
suffer
from
poor
stability
compared
established
inorganic
PV
technologies
such
crystalline
silicon.
study
focuses
on
potentially
cost‐effective
Indium
Tin
Oxide
(ITO)
free
cell
stack
with
absorber
materials
processed
non‐halogenated
solvents.
These
organic
solar
cells
modules
efficiencies
up
21%
can
already
achieve
remarkable
stabilities
typical
illumination.
Aging
50,000
lux
LED
lighting
little
degradation
after
more
than
11
000
h.
light
dose
corresponds
110
years
500
lux.
For
encapsulated
flexible
barrier,
extrapolated
lifetimes
41
are
achieved.
shows
that
mature
specific
application
Due
large
number
potential
semiconducting
materials,
further
efficiency
increase
be
expected.
Advanced Energy and Sustainability Research,
Год журнала:
2024,
Номер
5(7)
Опубликована: Янв. 23, 2024
Organic
photovoltaics
(OPVs)
show
great
promise
for
both
outdoor
and
indoor
applications.
However,
there
remains
a
lack
of
understanding
around
the
stability
OPVs,
particularly
In
this
work,
photostability
poly[(thiophene)‐alt‐(6,7‐difluoro‐2‐(2‐hexyldecyloxy)quinoxaline)]:2,2′‐((2Z,2′Z)‐((4,4,9,9‐tetrahexyl‐4,9‐dihydro‐s‐indaceno[1,2‐b:5,6‐b′]dithiophene‐2,7‐diyl)bis(methanylylidene))bis(3‐oxo‐2,3‐dihydro‐1H‐indene‐2,1‐diylidene))dimalononitrile
blend
is
investigated
Photostability
found
to
vary
drastically
with
illumination
intensity.
Devices
under
high‐intensity
white
light‐emitting
diode
(LED)
illumination,
their
short‐circuit
current
density
(
J
SC
)
matching
SC–EQE
AM1.5
G
lose
42%
initial
performance
after
30
days
illumination.
Contrastingly,
almost
47
devices
1000
lux
LED
no
loss
in
performance.
The
poor
1
sun
linked
IDIC.
Through
Raman
spectroscopy
mass
spectrometry,
IDIC
suffer
from
photoisomerization,
which
detrimentally
impacts
light
absorption
carrier
extraction.
it
highlighted
that
low
levels,
requirement
intrinsic
material
may
be
less
stringent.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(28), С. 36667 - 36677
Опубликована: Июль 2, 2024
While
wavelength-dependent
photodegradation
of
organic
solar
cells
(OSCs)
under
visible
light
is
typically
discussed
in
terms
UV/blue
light-activated
phenomena,
we
recently
demonstrated
degradation
rates
up
to
660
nm
for
PM6:Y6.
In
this
study,
systematically
investigated
phenomenon
a
broad
variety
devices
based
on
different
donor:acceptor
combinations.
We
found
that
the
spectral
composition
used
degradation,
tuned
range
from
457
740
and
high
irradiances
30
suns,
has
crucial
influence
device
stability
almost
all
tested
semiconductors.
The
relevance
was
context
simulated
AM1.5
illumination
with
metal
halide
lamps
white
LEDs.
It
concluded
current
testing
protocols
OSC
research
have
be
adjusted
account
effect
reveal
underlying
physics
still
poorly
understood
mechanism.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 29, 2024
Abstract
Despite
major
advances
in
efficiency,
the
operational
stability
of
organic
photovoltaic
(OPV)
devices
remains
poor.
Therefore,
understanding
degradation
mechanisms
and
identifying
potential
solutions
to
improve
device
is
critical
enabling
widespread
commercialization
OPVs.
Herein,
simple
filtration
PBDB‐T:ITIC
photoactive
layer
(PAL)
solution
prior
film
deposition
demonstrated
enhance
OPV
without
compromising
initial
performance.
The
effect
filtration,
a
commonly
used
but
poorly
understood
fabrication
step,
investigated
using
range
chemical,
structural,
optoelectronic
methods,
on
films.
Filtration
found
remove
large
aggregates
from
disrupting
nanoscale
preaggregation,
resulting
enhanced
acceptor
ordering
thin
films,
significantly
improving
morphological
photostability.
This
facile
method
confirmed
be
general
strategy
that
also
works
for
other
PBDB‐T‐containing
blends,
including
Y6‐based
systems,
highlights
how
subtle
changes
morphology
can
result
dramatic
differences
stability.
