Chinese Journal of Chemistry,
Journal Year:
2022,
Volume and Issue:
41(9), P. 1028 - 1036
Published: Dec. 10, 2022
Comprehensive
Summary
Diketopyrrolopyrrole
(DPP)
is
one
of
the
most
promising
building
blocks
for
constructing
polymer
semiconductors
with
high
charge‐carrier
mobilities
in
organic
field‐effect
transistors
(OFETs).
In
this
study,
a
novel
DPP‐based
conjugated
polymer,
PDPPy‐BDD,
was
designed
and
synthesized.
The
ambipolar
transistor
characteristics
were
realized
average
hole
electron
3.5
×
10
–3
3.07
–2
cm
2
V
−1
s
,
respectively.
Both
could
be
successfully
enhanced
by
using
tetramethylammonium
iodide
(NMe
4
I)
additive.
Such
an
enhancement
attributed
to
formation
stronger
interchain
π–π
stackings,
weakening
face‐on
packing
orientation
thin
film
state,
higher
channel
conductivities
OFETs.
RSC Applied Interfaces,
Journal Year:
2024,
Volume and Issue:
1(5), P. 1012 - 1019
Published: Jan. 1, 2024
Side
chains
of
polymers
play
a
crucial
role
in
manipulating
polymer
interchain
interactions,
especially
polar
side
that
promote
strong
molecular
stacking
and
facilitate
ionic
diffusion.
ACS Applied Polymer Materials,
Journal Year:
2024,
Volume and Issue:
6(10), P. 5900 - 5909
Published: May 2, 2024
Currently,
a
common
approach
to
realize
high-performance
semiconducting
polymers
is
enhance
the
coplanarity
of
molecular
chains.
Among
numerous
design
strategies
reported
fulfill
this
requirement,
introduction
vinyl
bridges
has
proved
be
one
most
effective
approaches.
In
study,
we
designed
and
synthesized
four
naphthalenediimide
(NDI)-based
dual-acceptor
conjugated
comprising
two
different
second
acceptors,
including
benzothiadiazole
(S)
benzotriazole
(N),
with
inserted
study
structure–performance
relationships
in
transistors.
We
found
that
presence
side
chains
S
N
causes
subtle
differences
rigidity,
leading
an
opposite
trend
bridge
effect.
The
electron
mobility
vNDI-N
was
successfully
improved
compared
parent
polymer
(NDI-N)
as
result
fine
optimization
backbone
coplanarity.
However,
vNDI-S
decreased
NDI-S.
Analysis
using
UV–vis
spectroscopy,
simulations,
morphological
techniques
(AFM
GIWAXS)
revealed
absence
leads
challenges
achieving
planar
bonding
neighboring
moieties.
This
highlights
importance
considering
rigidity
coupling
acceptors
optimize
ideal
conformation
NDI-based
copolymers.
Solar RRL,
Journal Year:
2024,
Volume and Issue:
8(14)
Published: May 18, 2024
While
dual‐acceptor‐type
conjugated
polymers
have
witnessed
a
great
success
in
organic
field‐effect
transistors
(OFETs),
their
potential
multifunctionality
other
optoelectronic
devices
has
been
overlooked.
Herein,
three
(DPPF‐BDD,
DPPT‐BDD,
and
DPPSe‐BDD)
comprising
furan/thiophene/selenophene‐flanked
diketopyrrolopyrrole
(DPP)
dioxo‐benzodithiophene
(BDD)
as
repeating
units
are
designed,
synthesized,
characterized.
Modulating
the
chalcogen
on
DPP
flank
shows
an
impact
dual‐acceptor
polymer
properties.
Subsequently,
of
these
both
OFETs
perovskite
solar
cells
(PSCs)
either
semiconductors
or
passivation
materials,
respectively,
is
investigated.
Interestingly,
DPPF‐BDD,
DPPSe‐BDD
show
ambipolar
behavior
vacuum
with
hole
(
μ
h
)
electron
e
mobilities
0.0263/0.0223,
0.0187/0.0123,
0.0070/0.0051
cm
2
V
−1
s
,
respectively.
Upon
doping
tetrabutylammonium
iodide
into
polymers,
respective
relatively
higher
(0.0389/0.0503;
0.0289/0.0259;
0.0058/0.0156
than
undoped
OFETs.
Furthermore,
DPPF‐BDD‐,
DPPT‐BDD‐,
DPPSe‐BDD‐incorporated
(in
antisolvent
treatment
PCBM
transport
layer)
PSCs
display
maximum
power
conversion
efficiency
23.48%,
22.85%,
23.35%,
surpassing
control
device
(22.83%),
which
benefited
from
surface
charge
extraction
improvement.
Overall,
new
class
multifunctional
DPP‐based
that
highly
compatible
high‐performance
presented.
Small Structures,
Journal Year:
2024,
Volume and Issue:
6(1)
Published: Sept. 19, 2024
Electrolyte‐gated
organic
synaptic
transistors
(EGOSTs)
have
shed
light
on
their
potential
in
bioelectronics
and
neuromorphic
computing.
Numerous
research
been
studied
to
modulate
electrochemical
doping
performance
formulate
a
simple
approach
control
iontronics
through
the
side‐chain
modulations;
however,
effects
of
alkyl
groups
as
side
moieties
not
detail
EGOSTs.
Herein,
structural
electrical
properties
conjugated
polymers
are
systematically
controlled
copolymerization
with
two
different‐alkyl
group‐derived
monomers
for
enhancing
nonvolatile
characteristics
The
relationships
between
crystal
orientation
states
copolymers,
which
varied
different
ratios,
revealed.
Also,
behavior
biological
synapses,
including
paired‐pulse
facilitation,
spike
timing‐dependent
plasticity,
long‐term
potentiation/depression,
successfully
simulated.
In
this
study,
new
avenues
opened
implementation
devices
engineering
by
showing
that
chain
modulates
performance.
Journal of Materials Chemistry C,
Journal Year:
2022,
Volume and Issue:
10(47), P. 17936 - 17944
Published: Jan. 1, 2022
Three
DPP-based
dual-acceptor
conjugated
polymers
comprising
different
proquinoidal
heterocyclic
acceptors
are
synthesized
and
their
structure–property
relationship
using
a
transistor
conductive
states
by
doping
investigated.
Polymer Journal,
Journal Year:
2023,
Volume and Issue:
55(10), P. 1049 - 1056
Published: June 26, 2023
Abstract
Research
on
semiconducting
polymers
is
an
interdisciplinary
field
that
requires
a
wide
range
of
knowledge
ranging
from
polymer
syntheses
to
electronics
applications.
Clarifying
the
correlations
between
chemical
structures
and
physical
properties
leads
better
understanding
these
materials.
To
find
suitable
application
fields,
it
necessary
repeatedly
prepare
samples
with
slightly
different
evaluate
their
properties.
The
author’s
group
started
research
aim
developing
high-performance
exhibited
high
charge
carrier
mobilities
in
thin
film
transistors,
this
has
recently
been
expanded
emit
light
near-infrared
region.
Organic Chemistry Frontiers,
Journal Year:
2022,
Volume and Issue:
10(3), P. 632 - 639
Published: Dec. 2, 2022
A
NIR
strong
absorbing
molecule
was
constructed
by
taking
the
structural
advantages
of
a
quinoid
and
diketopyrrolopyrrole,
with
an
absorption
maximum
up
to
1039
nm
hole
electron
mobilities
0.19
0.2
cm
2
V
−1
s
,
respectively.
