Chinese Optics Letters,
Journal Year:
2022,
Volume and Issue:
20(10), P. 100009 - 100009
Published: Jan. 1, 2022
The
aggregation
and
photoinduced
excited
state
dynamics
of
organic
π-conjugated
molecules
play
a
vital
role
in
solar
energy
conversion
applications.
This
work
investigates
how
solvent
polarity
affects
the
behavior
photophysical
process
perylene
diimide
dimer
(PDI-II).
results
show
that
conjugations
between
PDI
intramolecular
chromophores
are
more
likely
to
generate
excimer,
intermolecular
experience
symmetry-breaking
charge
separation.
Our
study
can
provide
reference
for
design
high-efficiency
materials.
Frontiers in Physics,
Journal Year:
2024,
Volume and Issue:
12
Published: Feb. 26, 2024
Organic
solar
cells
(OSCs)
enjoy
a
huge
market
and
public
attention
as
an
emerging
renewable
clean
energy
source
due
to
their
accessibility,
sustainability,
translucency,
good
flexibility,
non-toxicity,
low
preparation
cost.
However,
the
choice
of
acceptor
material
is
now
pivotal
factor
restricting
development
OSCs.
To
continuously
improve
stability
increase
power
conversion
efficiency
(PCE)
for
better
performance,
high-performance
materials
are
important
part
enabling
From
fullerenes
derivatives
non-fullerenes,
we
sum
up
latest
research
progress
on
OSCs
then
introduce
synthesis
methods
non-fullerenes.
The
strategies
enhance
performance
organic
wide
range
applications
non-fullerene
acceptors
(NFAs)
different
also
discussed.
In
addition,
challenges
faced
by
in
improving
prospects
future
revealed,
providing
new
ideas
designing
next
generation
Journal of Materials Chemistry C,
Journal Year:
2024,
Volume and Issue:
12(34), P. 13353 - 13364
Published: Jan. 1, 2024
Se-annulated
PDI-SePDI
device
achieved
a
56.64%
elevated
PCE
of
5.31%,
which
was
mainly
due
to
enhanced
exciton
dissociation,
suppressed
charge
recombination,
and
increased
mobility
benefiting
from
beneficial
microstructural
morphology.
Battery energy,
Journal Year:
2022,
Volume and Issue:
1(4)
Published: Sept. 23, 2022
Abstract
Organic
molecules
and
polymers
have
been
widely
used
in
aqueous
sodium‐ion
capacitors.
However,
the
difference
reaction
kinetics
of
electroactive
polymer
its
monomer
has
overlooked.
In
this
study,
a
comparative
study
storage
performance
is
performed.
The
poly(perylene
diimides)
which
named
EDP
exhibits
decreased
crystallinity,
smaller
particle
size
with
rough
surface,
higher
specific
capacitance,
lower
reduction
potential,
better
cycling
stability,
rate
performance,
compared
3,4,9,10‐perylenetetracarboxylic
dianhydride.
proves
that
shows
faster
diffusion
more
capacitive
charge
storage,
are
responsible
for
high‐rate
capability.
ACS Applied Energy Materials,
Journal Year:
2022,
Volume and Issue:
5(12), P. 15624 - 15637
Published: Dec. 2, 2022
Two
new
star-shaped
perylene
diimide
(PDI)-based
small-molecule
acceptors
denoted
as
BDP-3PDI
and
BDP-4PDI
with
BODIPY
derivatives
the
core
PDI
units
peripheral
groups
were
designed
successfully
synthesized,
their
photophysical
electrochemical
properties
studied.
When
paired
a
compatible
D–A
polymer
donor
P(BTT-DPP),
solar
cells
based
on
bulk
heterojunction
active
layer
attained
power
conversion
efficiencies
(PCEs)
of
about
10.97
13.94%
for
BDP-4PDI,
respectively.
The
higher
value
PCE
is
mainly
owing
to
enhanced
values
fill
factor
short
circuit
current
compared
related
more
balanced
charge
transport
blocked
recombination
appropriate
phase
separation
in
P(BTT-DPP):BDP-4PDI
P(BTT-DPP):BDP-3PDI.
