Chemical Communications,
Journal Year:
2020,
Volume and Issue:
56(35), P. 4750 - 4760
Published: Jan. 1, 2020
In
the
last
five
years,
tremendous
progress
achieved
in
field
of
polymer
solar
cells
(PSCs)
has
attracted
extensive
attention
to
this
emerging
technology
for
exploiting
renewable
energy.
Owing
their
excellent
optoelectronic
features
and
outstanding
manufacturability
film
deposition,
wide
bandgap
(WBG)
donors
have
become
a
leading
component
bulk
heterojunction
layers
thus,
correlative
review
focusing
on
molecular
design,
aggregation
behavior
photovoltaic
properties
is
necessary.
feature
article,
we
summarize
our
recent
efforts
developing
WBG
understanding
charge
separation
non-radiative
recombination
energy
loss
high-performance
non-fullerene
(NF)
PSCs.
We
also
discuss
opportunities
challenges
towards
realization
commercialization
NF
PSCs
based
donors.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(17)
Published: March 6, 2024
Abstract
High‐performing
n‐type
polymers
are
crucial
for
the
advance
of
organic
electronics
field,
however
strong
electron‐deficient
building
blocks
with
optimized
physicochemical
properties
constructing
them
still
limited.
The
imide‐functionalized
polycyclic
aromatic
hydrocarbons
(
PAH
s)
extended
π‐conjugated
framework,
high
electron
deficiency
and
good
solubility
serve
as
promising
candidates
developing
high‐performance
polymers.
Among
s,
phenanthrene
PhA
)
features
a
well‐delocalized
π‐system
multiple
modifiable
active
sites
.
However,
‐based
imides
seldom
studied,
mainly
attributed
to
synthetic
challenge.
Herein,
we
report
two
functionalized
CPOI
CPCNI
,
by
simultaneously
incorporating
imide
carbonyl
or
dicyanomethylene
onto
Notably,
dicyanomethylene‐modified
exhibits
well
stabilized
LUMO
energy
level
(−3.84
eV),
synergetic
inductive
effect
from
cyano
groups.
Subsequently,
based
on
PCPOI‐Tz
PCPCNI‐Tz
were
developed.
Applied
thin‐film
transistors,
owing
electron‐deficiency
polymer
shows
an
improved
mobility
largely
decreased
threshold
voltage
compared
This
work
affords
structurally
novel
highlights
effectiveness
dual
functionalization
s
electron‐withdrawing
groups
devising
Angewandte Chemie International Edition,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 2, 2025
Abstract
The
last
decade
has
witnessed
significant
progress
in
organic
electrochemical
transistors
(OECTs)
due
to
their
enormous
potential
applications
various
bioelectronic
devices,
such
as
artificial
synapses,
biological
interfaces,
and
biosensors.
remarkable
advance
this
field
is
highly
powered
by
the
development
of
novel
mixed
ionic/electronic
conductors
(OMIECs).
π‐Conjugated
polymers
(CPs),
which
are
widely
used
optoelectronics,
emerging
key
channel
materials
for
OECTs.
In
review,
after
briefly
introducing
OECT,
we
then
mainly
focus
on
latest
CPs
high‐performance
correlations
structure,
basic
physicochemical
properties,
device
performance
elucidated
evaluating
electronic
characters,
optoelectronic
OECT
performance.
Then,
CP‐based
OECTs
presented.
Finally,
discuss
several
remaining
issues
or
challenges
give
our
insights
into
advancing
enhanced
Chemical Society Reviews,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 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.
Advanced Materials,
Journal Year:
2020,
Volume and Issue:
32(30)
Published: June 9, 2020
Compared
to
organic
solar
cells
based
on
narrow-bandgap
nonfullerene
small-molecule
acceptors,
the
performance
of
all-polymer
(all-PSCs)
lags
much
behind
due
lack
high-performance
n-type
polymers,
which
should
have
low-aligned
frontier
molecular
orbital
levels
and
narrow
bandgap
with
broad
intense
absorption
extended
near-infrared
region.
Herein,
two
novel
polymer
DCNBT-TPC
DCNBT-TPIC,
are
synthesized
ultranarrow
bandgaps
(ultra-NBG)
1.38
1.28
eV,
respectively.
When
applied
in
transistors,
both
polymers
show
efficient
charge
transport
a
highest
electron
mobility
1.72
cm2
V-1
s-1
obtained
for
DCNBT-TPC.
Blended
donor,
PBDTTT-E-T,
resultant
all-PSCs
DCNBT-TPIC
achieve
remarkable
power
conversion
efficiencies
(PCEs)
9.26%
10.22%
short-circuit
currents
up
19.44
22.52
mA
cm-2
,
This
is
first
example
that
PCE
over
10%
can
be
achieved
using
ultra-NBG
acceptors
photoresponse
reaching
950
nm
all-PSCs.
These
results
demonstrate
line
also
available
as
highly
promising
class
maximizing
device
Chemical Communications,
Journal Year:
2020,
Volume and Issue:
56(35), P. 4750 - 4760
Published: Jan. 1, 2020
In
the
last
five
years,
tremendous
progress
achieved
in
field
of
polymer
solar
cells
(PSCs)
has
attracted
extensive
attention
to
this
emerging
technology
for
exploiting
renewable
energy.
Owing
their
excellent
optoelectronic
features
and
outstanding
manufacturability
film
deposition,
wide
bandgap
(WBG)
donors
have
become
a
leading
component
bulk
heterojunction
layers
thus,
correlative
review
focusing
on
molecular
design,
aggregation
behavior
photovoltaic
properties
is
necessary.
feature
article,
we
summarize
our
recent
efforts
developing
WBG
understanding
charge
separation
non-radiative
recombination
energy
loss
high-performance
non-fullerene
(NF)
PSCs.
We
also
discuss
opportunities
challenges
towards
realization
commercialization
NF
PSCs
based
donors.
