Perspective on Flexible Organic Solar Cells for Self-Powered Wearable Applications
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 15, 2025
The
growing
advancement
of
wearable
technologies
and
sophisticated
sensors
has
driven
the
need
for
environmentally
friendly
reliable
energy
sources
with
robust
mechanical
stability.
Flexible
organic
solar
cells
(OSCs)
have
become
promising
substitutes
traditional
solutions
thanks
to
their
remarkable
flexibility
high
power
conversion
efficiency
(PCE).
These
unique
properties
allow
flexible
OSCs
seamlessly
integrate
diverse
devices
substrates,
making
them
an
excellent
choice
powering
various
electronic
by
efficiently
harvesting
energy.
This
review
summarizes
recent
achievements
in
from
perspective
self-powered
applications.
It
discusses
advancements
materials,
including
substrates
transparent
electrodes,
evaluates
performance
criteria,
compares
PCEs
rigid
counterparts.
Subsequently,
novel
applications
are
explored.
Finally,
a
summary
perspectives
on
current
challenges
obstacles
facing
wearables
provided,
aiming
inspire
further
research
toward
practical
implementations.
Язык: Английский
Facilely Modified Nickel‐Based Hole Transporting Layers for Organic Solar Cells with 19.12% Efficiency and Enhanced Stability
Small,
Год журнала:
2024,
Номер
20(34)
Опубликована: Апрель 10, 2024
Abstract
Hole
transporting
layers
(HTLs),
strategically
positioned
between
electrode
and
light
absorber,
play
a
pivotal
role
in
shaping
charge
extraction
transport
organic
solar
cells
(OSCs).
However,
the
commonly
used
poly(3,4‐ethylenedioxythiophene):poly(styrenesulfonate)
(PEDOT:PSS)
HTL,
with
its
hygroscopic
acidic
nature,
undermines
operational
durability
of
OSC
devices.
Herein,
an
environmentally
friendly
approach
is
developed
utilizing
nickel
acetate
tetrahydrate
(NiAc·4H
2
O)
[2‐(9H‐carbazol‐9‐yl)ethyl]
phosphonic
acid
(2PACz)
as
NiAc·4H
O/2PACz
aiming
at
overcoming
limitations
posed
by
conventional
PEDOT:PSS
one.
Encouragingly,
remarkable
power
conversion
efficiency
(PCE)
19.12%
obtained
for
OSCs
employing
surpassing
that
devices
HTL
(17.59%),
which
ranked
among
highest
ones
OSCs.
This
improvement
attributed
to
appropriate
work
function,
enhanced
hole
mobility,
facilitated
exciton
dissociation
efficiency,
lower
recombination
loss
O/2PACz‐based
Furthermore,
exhibit
superior
stability
compared
their
PEDOT:PSS‐based
counterparts.
Of
significant
note,
demonstrates
broad
generality,
boosting
PCE
PM6:PY‐IT
PM6:Y6‐based
from
16.47%
16.79%
(with
analogs
HTLs)
17.36%
17.57%,
respectively.
These
findings
underscore
substantial
potential
advancing
OSCs,
offering
improved
performance
stability,
thereby
opening
avenue
highly
efficient
reliable
energy
harvesting
technologies.
Язык: Английский
Accomplishing High‐Performance Organic Solar Sub‐Modules (≈55 cm2) with >16% Efficiency by Controlling the Aggregation of an Engineered Non‐Fullerene Acceptor
Advanced Science,
Год журнала:
2024,
Номер
11(31)
Опубликована: Июнь 18, 2024
Abstract
The
fabrication
of
environmentally
benign,
solvent‐processed,
efficient,
organic
photovoltaic
sub‐modules
remains
challenging
due
to
the
rapid
aggregation
current
high
performance
non‐fullerene
acceptors
(NFAs).
In
this
regard,
design
new
NFAs
capable
achieving
optimal
in
large‐area
modules
has
not
been
realized.
Here,
an
NFA
named
BTA‐HD‐Rh
is
synthesized
with
longer
(hexyl‐decyl)
side
chains
that
exhibit
good
solubility
and
aggregation.
Interestingly,
integrating
a
minute
amount
(BTA‐HD‐Rh)
into
PM6:L8‐BO
system
enables
improved
halogen‐free
solvents
(
o
‐xylene:carbon
disulfide
O
‐XY:CS
2
))
controlled
found.
Then
solar
are
fabricated
at
ambient
condition
(temperature
25
±
3
°C
humidity:
30–45%).
Ultimately,
champion
55
cm
achieve
exciting
efficiency
>16%
solvents,
which
highest
PCE
reported
for
sub‐modules.
Notably,
doped
very
well
correlated
miscibility
low
Flory‐Huggins
parameter
(0.372),
well‐defined
nanoscale
morphology,
charge
transport.
This
study
demonstrates
careful
choice
chain
engineering
offers
fascinating
features
control
overall
active
layer,
results
superior
sub‐module
environmental‐friendly
solvents.
Язык: Английский
Highly efficient halogen-free rigid and flexible binary organic solar cells using new solid indacene additive
Materials Today Physics,
Год журнала:
2024,
Номер
47, С. 101538 - 101538
Опубликована: Авг. 20, 2024
Язык: Английский
Halogen‐free solvent processed organic solar sub‐modules (≈55 cm) with 14.70% efficiency by controlling the morphology of alkyl chain engineered polymer donor
EcoMat,
Год журнала:
2024,
Номер
6(11)
Опубликована: Окт. 27, 2024
Abstract
Goals
of
high
efficiency,
morphological
analysis,
and
the
ability
to
produce
organic
solar
cell
(OSC)
sub‐modules
using
halogen‐free
solvents
are
demanding.
In
this
study,
a
robust
conjugated
polymer
with
thienothiophene
π‐spacer
pendant
alkyl
side
chain
(NapBDT‐C12)
was
synthesized
used
fabricate
sub‐modules.
Excellent
efficiencies
were
demonstrated
by
NapBDT‐C12
integrated
ternary
blend,
which
stable
small‐area‐to‐sub‐module
devices
O
‐xylene.
The
efficiency
added
small‐area
(PM6:NapBDT‐C12:L8‐BO)
18.71%.
Owing
controlled
homogeneity
blend
favorable
nanoscale
film
morphology,
enhanced
carrier
mobilities,
exciton
dissociation/splitting
properties,
contributed
OSCs.
Moreover,
55
cm
2
sub‐module
an
14.69%
accomplished
bar
coating
‐xylene
under
ambient
conditions.
This
study
displays
potential
based
OSC
device
scalable
at
image
Язык: Английский
Nonhalogenated Solvent-Processed Efficient Ternary All-Polymer Solar Cells Enabled by the Introduction of a Naphthyloxy Group into the Side Chain of Polymer Donors
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(45), С. 62082 - 62092
Опубликована: Окт. 29, 2024
Conjugated
polymer
donors
are
crucial
for
enhancing
the
power
conversion
efficiencies
(PCEs)
in
all-polymer
solar
cells
(All-PSCs)
nonhalogenated
solvents.
In
this
work,
three
wide-band-gap
(Sil-D1,
Ph-Sil-D1,
and
Nap-Sil-D1)
based
on
dithienobenzothiadiazole
(DTBT)
benzodithiophene
(BDT)
donor
moieties
optimized
by
side
chain
engineering
were
designed
synthesized.
Alkyl
(Sil-D1),
phenyloxy
(Ph-Sil-D1),
naphthyloxy
(Nap-Sil-D1)
alkyl
siloxane
units
incorporated
into
these
donors,
respectively.
Notably,
Nap-Sil-D1
had
a
greater
conjugation
length,
π-electron
delocalization,
improved
dipole
moment.
The
deepest
highest
occupied
molecular
orbital
level
of
Nap-Sil-D1,
with
high
absorption
coefficient,
showed
better
aggregation
properties.
addition,
reduced
bimolecular
recombination
trap-state
density
generated
charge
transfer
to
cause
significant
enhancement
open-circuit
voltage,
current
density,
fill
factor
values
0.94
V,
25.5
mA/cm2,
70.4%,
respectively,
Nap-Sil-D1-blended
All-PSC
ternary
device
(PM6:Nap-Sil-D1:PY-IT),
PCE
16.8%
o-xylene
solvent,
compared
other
polymers
(Sil-D1
Ph-Sil-D1)
PCEs
15.5
16.2%.
As
result,
architecture
was
found
be
most
promising
as
solvent
processed
additive-free
All-PSCs
good
stability.
Язык: Английский