Recent developments in polymer semiconductors with excellent electron transport performances
Chemical Society Reviews,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
This
review
describes
the
design
considerations,
bonding
modes
between
monomers,
structural
modification
strategies,
and
applications
of
polymer
semiconductors
with
excellent
electron
transport
performances.
Язык: Английский
Charge Polarity Modulation and Efficient Electron Transport in Quinoid–Donor–Acceptor Polymers by Acceptor Engineering for High-Performance Transistors
Macromolecules,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 8, 2025
Fine-tuning
the
charge
polarity
and
enhancing
electron
transport
in
conjugated
polymers
are
critical
for
developing
high-performance
organic
field-effect
transistors
(OFETs).
Quinoidal
polymers,
characterized
by
planar
backbones
deep-lying
lowest
unoccupied
molecular
orbital
(LUMO)
energy
levels,
offer
distinct
advantages
over
their
aromatic
counterparts
but
face
challenges
achieving
reliable
mobilities
exceeding
1
cm2
V–1
s–1.
Herein,
we
synthesized
a
set
of
novel
quinoid–donor–acceptor
(Q-D-A)
with
various
acceptor
units.
Increasing
strength
narrowed
band
gap,
lowered
LUMO
shifted
from
unipolar
p-type
to
ambipolar
ultimately
dominant
n-type
behavior.
The
electron-to-hole
mobility
ratio
increased
0
40
behavior
observed
Q-D-A
polymer
first
time.
Consequently,
strongest
acceptor-based
exhibited
backbone,
small
effective
mass,
high
crystallinity,
low
disorder,
resulting
1.20
s–1
decent
operational
stability.
This
is
record-high
value
quinoidal
transport.
Our
findings
viable
strategy
tuning
improving
providing
insights
into
structure–property
relationships
essential
advancing
electronics.
Язык: Английский
Exceptional Second Near-Infrared Window Organic Photothermal Material for High-Temperature Applications Activated by a 1064 nm Laser
ACS Materials Letters,
Год журнала:
2025,
Номер
unknown, С. 1060 - 1069
Опубликована: Фев. 17, 2025
Язык: Английский
Precisely Regulating Interchain Aggregation and Film Crystallinity of Quinoidal Terpolymers for High-Performance Eco-friendly Transistors
Macromolecules,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 25, 2025
Язык: Английский
Mobility and Stability Enhancements of Conjugated Polymers with Diastereomeric Conjugation Break Spacers in Organic Electrochemical Transistors
Shang‐Wen Su,
Hiroya Shimizu,
Megumi Matsuda
и другие.
Macromolecules,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 21, 2025
Язык: Английский
Unusual Cross‐conjugation in Cyclic Dipeptide‐based Building Blocks for Donor–Acceptor Semiconducting Conjugated Polymers
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 28, 2024
Cross
conjugation,
though
prevalent
in
many
organic
compounds,
is
typically
considered
less
effective
for
electron
delocalization
compared
to
linear
conjugation.
Consequently,
it
rarely
used
as
the
backbone
structure
semiconducting
conjugated
polymers.
In
this
study,
we
designed
and
synthesized
a
novel
building
block,
TIDP,
which
features
central
cyclic
dipeptide
with
cross
conjugation
characteristics.
Strong
intramolecular
hydrogen
bonding
interactions
confer
TIDP
highly
rigid
coplanar
conformation.
Importantly,
theoretical
calculations
reveal
that
π
electrons
are
well
delocalized
across
entire
structure,
despite
its
low
aromaticity.
Conjugated
polymers
incorporating
exhibit
high
charge
carrier
mobilities,
demonstrating
of
innovative
block.
Our
findings
show
rational
design,
can
achieve
delocalization,
providing
valuable
approach
developing
high-performance
electronic
materials.
Язык: Английский
Para-azaquinodimethane-based quinoidal copolymers: Significant enhancement of electrochemical performances and stability with conformational planarity
Synthetic Metals,
Год журнала:
2024,
Номер
310, С. 117781 - 117781
Опубликована: Ноя. 13, 2024
Язык: Английский
Unusual Cross‐conjugation in Cyclic Dipeptide‐based Building Blocks for Donor–Acceptor Semiconducting Conjugated Polymers
Angewandte Chemie,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 28, 2024
Abstract
Cross
conjugation,
though
prevalent
in
many
organic
compounds,
is
typically
considered
less
effective
for
electron
delocalization
compared
to
linear
conjugation.
Consequently,
it
rarely
used
as
the
backbone
structure
semiconducting
conjugated
polymers.
In
this
study,
we
designed
and
synthesized
a
novel
building
block,
TIDP
,
which
features
central
cyclic
dipeptide
with
cross
conjugation
characteristics.
Strong
intramolecular
hydrogen
bonding
interactions
confer
highly
rigid
coplanar
conformation.
Importantly,
theoretical
calculations
reveal
that
π
electrons
are
well
delocalized
across
entire
structure,
despite
its
low
aromaticity.
Conjugated
polymers
incorporating
exhibit
high
charge
carrier
mobilities,
demonstrating
of
innovative
block.
Our
findings
show
rational
design,
can
achieve
delocalization,
providing
valuable
approach
developing
high‐performance
electronic
materials.
Язык: Английский
Collaborative Morphological and Electrical Regulation of High-Mobility Conjugated Polymers via a Multifunctional Polymeric Additive
Macromolecules,
Год журнала:
2024,
Номер
57(22), С. 10792 - 10801
Опубликована: Ноя. 8, 2024
Morphological
and
electrical
control
over
conjugated
polymers
has
a
great
potential
for
the
fabrication
of
high-performance
organic
thin-film
transistors
(OTFTs).
Herein,
we
employed
multifunctional
polymeric
additive,
namely,
PBTTT-b-HTPB,
to
optimize
molecular
packing
order
an
isoindigo-based
model
polymer
(IIDSiC8)
simultaneously
regulate
minority
carriers
boosted
transport
properties
in
OTFTs
via
facile
solution
processing.
By
detailed
comparative
study,
demonstrated
that
PBTTT-b-HTPB
remarkably
improved
crystallinity
IIDSiC8
by
forming
elongated
fibers
with
higher
thin
film,
which
originated
from
larger
size
ordered
aggregates
due
presence
insulating
block.
On
other
hand,
p-type
block
PBTTT
worked
as
hole
trapping
center,
resulting
significantly
increased
electron
density,
reduced
off-current,
optimal
n-type
performance.
Benefiting
collaborative
morphological
regulation,
IIDSiC8/PBTTT-b-HTPB
films
displayed
well-aligned
morphology
high
mobility
up
close
7
cm2
V–1
s–1
together
on/off
ratio
106
bar-coated
OTFTs.
The
is
among
top
performance
values
reported
polymers.
Our
work
achieved
simultaneous
optimization
film
microstructures
carrier
characteristics
semiconductors,
providing
opportunities
production
OTFT
devices
superior
Язык: Английский