Cathode
interlayers
(CILs)
in
organic
photovoltaics
(OPVs)
are
actively
being
researched
as
they
critical
for
device
stability
and
performance.
Herein,
N‐annulated
perylene
diimide
with
a
2‐ethyl‐hexyl
side
chain
(PDIN‐EH)
is
demonstrated,
which
facile
to
synthesize
compared
conventional
CILs
such
PFN‐Br,
exhibits
solubility,
subsequent
processability
from
ethanol.
The
PDIN‐EH
evaluated
CIL
an
air‐processed,
slot‐die
coated
OPV
consisting
of
PEDOT:PSS
the
hole
transport
layer,
PM6:Y6C12
bulk
heterojunction,
top
silver
cathode
electrode.
All
layers
green
solvents
devices
achieve
power
convention
efficiency
more
than
12%,
result
that
among
best
reported
under
ambient
conditions
printed
OPVs.
Microscopy
images
reveal
affords
smooth
film
formation
when
on
heterojunction
improved
contact
Ag
Furthermore,
fabrication
large‐area
modules
glass
flexible
(polyethylene
terephthalate)
substrates
successfully
five
cells
connected
series
achieving
over
7%
open‐circuit
voltage
3.5
V.
useful
guidelines
fully
electronic
at
potential
industrial
scale
provided.
Advanced Materials,
Год журнала:
2022,
Номер
34(32)
Опубликована: Июнь 21, 2022
Abstract
Organic
solar
cells
(OSCs)
have
experienced
rapid
progress
with
the
innovation
of
near‐infrared
(NIR)‐absorbing
small‐molecular
acceptors
(SMAs),
while
unique
electronic
properties
SMAs
raise
new
challenges
in
relation
to
cathode
engineering
for
effective
electron
collection.
To
address
this
issue,
two
fluorinated
perylene‐diimides
(PDIs),
PDINN‐F
and
PDINN‐2F,
are
synthesized
by
a
simple
fluorination
method,
application
as
interlayer
(CIL)
materials.
The
bay‐fluorinated
PDI‐based
CILs
possess
lower
lowest
unoccupied
molecular
orbital
(LUMO)
energy
level
≈−4.0
eV,
which
improves
alignment
at
NIR‐SMAs
(such
BTP‐eC9)/CIL
favorable
extraction
efficiency.
monofluorinated
shows
higher
mobility
better
improved
interfacial
compatibility.
PDINN‐F‐based
OSCs
PM6:BTP‐eC9
active
layer
exhibit
an
enhanced
fill
factor
larger
short‐circuit
current
density,
leading
high
power
conversion
efficiency
(PCE)
exceeding
18%.
devices
CIL
retain
more
than
80%
their
initial
PCE
after
operating
maximum
point
under
continuous
illumination
750
h.
This
work
prescribes
facile,
cost‐effective,
scalable
method
preparation
stable,
high‐performance
CILs,
instilling
promise
NIR‐SMAs‐based
moving
forward.
Nano-Micro Letters,
Год журнала:
2025,
Номер
17(1)
Опубликована: Фев. 6, 2025
Abstract
The
advancement
of
materials
has
played
a
pivotal
role
in
the
human
civilization,
and
emergence
artificial
intelligence
(AI)-empowered
science
heralds
new
era
with
substantial
potential
to
tackle
escalating
challenges
related
energy,
environment,
biomedical
concerns
sustainable
manner.
exploration
development
are
poised
assume
critical
attaining
technologically
advanced
solutions
that
environmentally
friendly,
energy-efficient,
conducive
well-being.
This
review
provides
comprehensive
overview
current
scholarly
progress
intelligence-powered
its
cutting-edge
applications.
We
anticipate
AI
technology
will
be
extensively
utilized
material
research
development,
thereby
expediting
growth
implementation
novel
materials.
serve
as
catalyst
for
innovation,
turn,
advancements
innovation
further
enhance
capabilities
AI-powered
science.
Through
synergistic
collaboration
between
science,
we
stand
realize
future
propelled
by
SusMat,
Год журнала:
2022,
Номер
2(3), С. 243 - 263
Опубликована: Март 9, 2022
Abstract
Organic
solar
cells
(OSCs),
benefiting
from
their
significant
advantages,
such
as
light
weight,
flexibility,
low
cost,
and
large
area
manufacturing
adaptability,
are
considered
promising
clean
energy
technologies.
Currently,
the
power
conversion
efficiency
(PCE)
of
state‐of‐the‐art
OSCs
has
reached
over
18%
through
materials
device
engineering.
Specifically,
cathode
engineering
with
interlayer
(CIMs)
is
an
important
strategy
to
improve
PCEs
stability
OSCs.
Among
various
CIMs
reported
in
literature,
perylene
diimides
(PDIs)
more
appropriate
for
working
interlayers
owing
distinct
advantages
suitable
levels,
high
electron
affinity,
mobility,
facile
modification.
In
this
review,
mechanism
concisely
summarized,
recent
research
progress
on
PDI
derivatives
systematically
reviewed.
Finally,
prospects
suggestions
provided
development
PDI‐based
practical
applications.
International Journal of Molecular Sciences,
Год журнала:
2023,
Номер
24(7), С. 6308 - 6308
Опубликована: Март 27, 2023
The
emblematic
perylenediimide
(PDI)
motif
which
was
initially
used
as
a
simple
dye
has
undergone
incredible
development
in
recent
decades.
increasing
power
of
synthetic
organic
chemistry
allowed
it
to
decorate
PDIs
achieve
highly
functional
dyes.
As
these
PDI
derivatives
combine
thermal,
chemical
and
photostability,
with
an
additional
high
absorption
coefficient
near-unity
fluorescence
quantum
yield,
they
have
been
widely
studied
for
applications
materials
science,
particularly
photovoltaics.
Although
always
the
spotlight,
their
asymmetric
counterparts,
perylenemonoimide
(PMI)
analogues,
are
now
experiencing
resurgence
interest
new
efforts
create
architectures
equally
exciting
properties.
Namely,
exceptional
properties
recently
develop
novel
systems
bioimaging,
biosensing
photodynamic
therapy.
This
review
covers
state
art
synthesis,
photophysical
characterizations
reported
demonstrating
versatility
two
sister
PMI
compounds.
objective
is
show
that
after
well-known
emerging
trends
use
PDI-
PMI-based
concern
very
specific
biomedicinal
including
drug
delivery,
diagnostics
theranostics.
Advanced Functional Materials,
Год журнала:
2023,
Номер
33(24)
Опубликована: Март 4, 2023
Abstract
Integrating
a
third
component
into
the
binary
system
is
considered
to
be
one
of
most
effective
strategies
further
enhance
power
conversion
efficiency
(PCE)
in
organic
solar
cells
(OSCs).
Here,
novel
perylene
diimide
(PDI)
derivative
featuring
3D
structure,
TPA‐4PDI,
with
tetraphenyladamantane
central
core
developed
as
guest
electron
acceptor
incorporated
PM6:Y6
system.
The
champion
PCE
ternary
OSC
recorded
18.29%
by
adding
7.5
wt.%
TPA‐4PDI
blend,
which
photovoltaic
performance
enhanced
synergistically
increased
open‐circuit
voltage
(
V
oc
)
0.849
V,
short‐circuit
current
density
J
sc
27.55
mA
cm
−2
,
and
fill
factor
(FF)
78.21%.
exhibits
complementary
absorption
band
PM6
Y6
while
its
lowest
unoccupied
molecular
orbital
(LUMO)
energy
level
falls
between
two
host
materials.
addition
can
effectively
suppress
recombination
behavior,
inhibit
excessive
aggregation
improve
morphology
blend.
All
these
effects
function
then
lead
enhancement
oc,
FF
OSCs.
This
study
suggests
that
developing
PDI
derivatives
an
method
ACS Applied Materials & Interfaces,
Год журнала:
2023,
Номер
15(6), С. 8367 - 8376
Опубликована: Фев. 1, 2023
The
field
of
organic
solar
cells
(OSCs)
has
acquired
rapid
progress
with
the
development
nonfullerene
acceptors.
Interfacial
engineering
is
also
significant
for
enhancement
power
conversion
efficiency
(PCE)
in
OSCs.
Among
cathode
interfacial
materials
(CIMs),
perylene
diimide
(PDI)
small
molecules
are
promising
owing
to
excellent
electron
affinity
and
mobility.
Although
well-known
PDINN
molecule
properties,
it
a
high
planarity
formed
by
an
extensive
rigid
π-conjugated
backbone.
Because
PDI
molecular
backbone
strong
tendency
aggregate,
causes
problem
excessive
aggregation
stacking,
which
directly
leads
crystallinity.
Proper
accumulation
beneficial
charge
transport,
but
oversized
crystals
overaggregation
will
hinder
ultimately
affecting
film
morphology
transport
efficiency.
Modifying
bay
position
effective
strategy
reduce
planarity,
modulate
aggregation,
optimize
morphology,
enhance
charge-collecting
Therefore,
PDINN-S
was
synthesized
from
substituting
hydrogen
thiophene.
optimal
PCE
PM6:Y6
active
layer
16.18%
remained
at
80%
initial
value
after
720
h
glovebox.
This
provides
some
guidance
exploring
CIMs
preparing
large-scale
OSCs
future.
