ACS Applied Materials & Interfaces,
Journal Year:
2022,
Volume and Issue:
14(42), P. 47952 - 47960
Published: Oct. 12, 2022
In
this
work,
we
have
introduced
single/double-sided
N-annulated
perylene
bisimide
(PBI)
with
deep
energy
levels
into
double-cable
polymers
poly[1-(5-(4,8-bis(4-chloro-5-(2-ethylhexyl)thiophen-2-yl)-6-methylbenzo[1,2-b:4,5-b']dithiophen-2-yl)thiophen-2-yl)-5,7-bis(2-ethylhexyl)-3-(5-methylthiophen-2-yl)-4H,8H-benzo[1,2-c:4,5-c']dithiophene-4,8-dione]
(PBDB-T-Cl)
as
a
donor
backbone,
marking
s-PPNR
and
as-PPNR,
according
to
the
molecular
symmetry.
Both
displayed
high
open-circuit
voltage
approaching
1.20
V
in
light
of
level
discrepancy
between
electron-donating
electron-withdrawing
parts,
which
is
highest
among
double-cable-based
single-component
organic
solar
cell
(SCOSC)
devices.
Additionally,
asymmetric
polymer
improved
absorption
spectra,
thereby
promoting
crystallization
phase
separation.
Consequently,
as-PPNR-based
SCOSCs
achieved
power
conversion
efficiency
5.05%
along
higher
short-circuit
current
density
fill
factor
than
their
s-PPNR-based
counterparts.
successfully
incorporated
PBI
revealed
important
effects
on
structural
symmetry
separation
for
SCOSC
performance.
Advanced Materials,
Journal Year:
2021,
Volume and Issue:
33(35)
Published: July 11, 2021
The
continuous
operation
of
wearable
electronics
demands
reliable
sources
energy,
currently
met
through
Li-ion
batteries
and
various
energy
harvesters.
These
solutions
are
being
used
out
necessity
despite
potential
safety
issues
unsustainable
environmental
impact.
Safe
sustainable
can
boost
the
use
wearables
systems
in
diverse
applications
such
as
health
monitoring,
prosthetics,
sports.
In
this
regard,
sweat-
sweat-equivalent-based
studies
have
attracted
tremendous
attention
demonstration
energy-generating
biofuel
cells,
promising
power
densities
high
3.5
mW
cm
Journal of Physics Materials,
Journal Year:
2023,
Volume and Issue:
6(4), P. 042501 - 042501
Published: March 17, 2023
Abstract
Ambient
energy
harvesting
has
great
potential
to
contribute
sustainable
development
and
address
growing
environmental
challenges.
Converting
waste
from
energy-intensive
processes
systems
(e.g.
combustion
engines
furnaces)
is
crucial
reducing
their
impact
achieving
net-zero
emissions.
Compact
harvesters
will
also
be
key
powering
the
exponentially
smart
devices
ecosystem
that
part
of
Internet
Things,
thus
enabling
futuristic
applications
can
improve
our
quality
life
homes,
cities,
manufacturing,
healthcare).
To
achieve
these
goals,
innovative
materials
are
needed
efficiently
convert
ambient
into
electricity
through
various
physical
mechanisms,
such
as
photovoltaic
effect,
thermoelectricity,
piezoelectricity,
triboelectricity,
radiofrequency
wireless
power
transfer.
By
bringing
together
perspectives
experts
in
types
materials,
this
Roadmap
provides
extensive
insights
recent
advances
present
challenges
field.
Additionally,
analyses
performance
metrics
technologies
relation
ultimate
conversion
limits.
Building
on
insights,
outlines
promising
directions
for
future
research
fully
harness
green
anytime,
anywhere.
Joule,
Journal Year:
2023,
Volume and Issue:
7(4), P. 810 - 829
Published: April 1, 2023
The
poor
operational
stability
of
non-fullerene
electron
acceptor
(NFA)
organic
solar
cells
(OSCs)
currently
limits
their
commercial
application.
While
previous
studies
have
primarily
focused
on
the
degradation
NFA
component,
we
also
consider
here
donor
material.
We
examine
three
representative
polymers,
PM6,
D18,
and
PTQ10,
paired
with
benchmark
NFA,
Y6.
After
light
soaking
PM6
D18
in
air,
find
an
enhanced
conversion
singlet
excitons
into
trapped
interchain
polaron
pairs
sub-100
femtosecond
timescales.
This
process
outcompetes
transfer
to
Y6,
significantly
reducing
charge
generation
yield.
However,
this
pathway
is
absent
PTQ10.
identify
twisting
benzo[1,2-b:4,5-b′]dithiophene
(BDT)-thiophene
motif
shared
by
as
cause.
By
contrast,
PTQ10
does
not
contain
structural
has
improved
stability.
Thus,
show
that
polymer
can
be
a
weak
link
for
OSC
stability,
which
must
addressed
collectively
NFA.
Journal of Materials Chemistry A,
Journal Year:
2023,
Volume and Issue:
11(48), P. 26393 - 26425
Published: Jan. 1, 2023
This
review
highlights
key
features
of
PDA-NFA:
molecular
design,
diverse
grafting
sites,
advanced
synthesis,
morphology
control,
and
optimized
device
performance.
provides
a
vision
for
high-performance
PDA-NFA
NF-OSCs.
Colorants,
Journal Year:
2023,
Volume and Issue:
2(1), P. 151 - 178
Published: March 21, 2023
This
work
covers
the
development
of
non-fullerene
acceptors
for
use
in
organic
photovoltaics
built
using
N-annulated
perylene
diimide
dye.
The
classic
dye
has
been
extensively
used
to
construct
acceptors,
leading
device
power
conversion
efficiencies
over
10%.
Strong
visible
light
absorption
and
deep
frontier
molecular
energy
levels
have
made
such
materials
(both
polymeric)
near
ideal
pairing
with
narrow-gap
conjugated
polymers
bulk-heterojunction
active
layers.
N-annulation
provides
an
extra
site
side-chain
engineering
alters
electronic
structure
polycyclic
aromatic
core.
In
addition,
allows
selective
bromination
core,
building
blocks
that
are
useful
construction
large
frameworks
atom-economical
direct
heteroarylation
cross-coupling
method.
Herein,
we
detail
a
series
molecules
developed
by
our
team
based
on
form
dimers
different
cores
electron-rich
electron-deficient);
varied
side
chains;
tetramers
varying
geometries;
large,
asymmetric
internal
cascades.
these
as
photovoltaic
devices
(binary
ternary
blends,
outdoor
indoor
applications,
spin-coated
vs.
slot-die-coated
photoactive
layers)
is
presented.
