Materials,
Journal Year:
2024,
Volume and Issue:
17(24), P. 6031 - 6031
Published: Dec. 10, 2024
In
recent
years,
the
design
and
synthesis
of
high-performing
conjugated
materials
for
application
in
organic
photovoltaics
(OPVs)
have
achieved
lab-scale
devices
with
high
power
conversion
efficiency.
However,
most
are
still
synthesised
using
complex
multistep
procedures,
resulting
cost.
For
upscaling
OPVs,
it
is
also
important
to
focus
on
polymers
that
can
be
made
via
fewer
simple
synthetic
steps.
Therefore,
an
easily
amorphous
thiophene−quinoxaline
donor
polymer,
TQ1,
has
attracted
our
attention.
An
analogue,
TQ-EH
same
polymer
backbone
as
TQ1
but
short
branched
side-chains,
was
previously
reported
a
increased
crystallinity.
We
copolymers
varied
ratios
between
octyloxy
(2-ethylhexyl)oxy-substituted
quinoxaline
units
having
backbone,
aim
control
aggregation/crystallisation
behaviour
copolymers.
The
optical
properties,
glass
transition
temperatures
degree
crystallinity
new
were
systematically
examined
relation
their
copolymer
composition,
revealing
composition
used
fine-tune
these
properties
polymers.
addition,
multiple
sub-Tg
transitions
found
from
some
polymers,
which
not
commonly
or
clearly
seen
other
tested
photovoltaic
fullerene
derivative
acceptor,
achieving
slightly
higher
performances
compared
homopolymers.
This
work
demonstrates
side-chain
modification
by
copolymerisation
without
requiring
synthesis,
thereby
expanding
number
future
OPVs.
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.
Macromolecular Rapid Communications,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 13, 2025
Abstract
Conjugated
polymers
have
attracted
extensive
attention
as
semiconducting
materials
in
wearable
and
flexible
electronics.
In
this
study,
we
utilize
atom‐economical
Knoevenagel
reaction
to
construct
two
conjugated
polymers,
PTDPP‐CNTT
PFDPP‐CNTT
,
based
on
dialdehyde‐thiophene/furan‐flanked
diketopyrrolopyrrole
(DPP)
2,2′‐(thieno[3,2‐
b
]thiophene‐2,5‐diyl)diacetonitrile
(CNTT).
The
resulting
exhibited
suitable
highest
occupied
molecular
orbital/lowest
unoccupied
orbital
(HOMO/LUMO)
energy
levels,
small
bandgaps,
broad
UV–vis–NIR
absorptions
(≈400–1000
nm),
endowing
them
with
photothermal
balanced
ambipolar
properties
hole
electron
mobilities
over
10
−3
cm
2
V
−1
s
.
Additionally,
‐based
organic
field‐effect
transistors
(OFETs)
devices
show
photo‐responsive
characteristics
at
808
980
nm
the
transport
channel
photo‐responsivenesses
of
9.0
×
A/W
0.4
A/W,
respectively,
suggesting
potential
application
NIR‐phototransistors.
Chemical Science,
Journal Year:
2024,
Volume and Issue:
15(45), P. 18715 - 18750
Published: Jan. 1, 2024
The
construction
of
functional
structures
within
a
single
plane
still
has
lot
challenges.
This
review
article
will
help
us
find
new
groundbreaking
directions
in
lateral
nanoarchitectonics
toward
advanced
material
organization.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 11, 2024
The
development
of
novel
ladder-type
conjugated
molecules
is
crucial
for
advancing
supramolecular
chemistry
and
material
science.
In
this
study,
we
report
a
straightforward
synthesis
new
alternating
donor-acceptor
(D-A)
heteroarene,
FCDTDPP,
demonstrate
its
application
as
photothermal
agent
imaging
cancer
therapy.
FCDTDPP
constructed
by
vinylene
bridge
between
cyclopentadithiophene
(D)
diketopyrrolopyrrole
(A)
through
intramolecular
Friedel-Crafts
type
reaction.
exhibits
unique
combination
good
molecular
planarity,
efficient
intra-/intermolecular
mixed
D-A
interactions,
local
aromaticity.
These
features
collectively
contribute
to
broad
intense
absorptions
with
narrow
band
gap
in
red
the
spectra,
coupled
multiple
vibrational
absorption
feature,
thereby
enhancing
non-radiative
decay
process
resulting
conversion
property.
nanoparticles
(NPs)
exhibit
superior
performance
stability
under
660
nm
laser
irradiation.
Moreover,
vitro
studies
reveal
that
NPs
possess
excellent
biocompatibility,
low
cytotoxicity,
robust
therapeutic
efficacy,
finding
further
corroborated
preliminary
vivo
experiments
tumor-bearing
mice.
This
work
charts
course
engineering
organic
systems,
propelling
relevant
research
forward.
ChemPhysChem,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 23, 2024
Abstract
The
methodology
of
nanoarchitectonics
is
to
construct
functional
materials
using
nanounits
such
as
atoms,
molecules,
and
nanoobjects,
just
like
architecting
buildings.
Nanoarchitectonics
pursues
the
ultimate
concept
science
through
integration
related
fields.
In
this
review
paper,
under
title
interface‐interactive
nanoarchitectonics,
several
examples
structure
fabrication
function
development
at
interfaces
will
be
discussed,
highlighting
importance
with
nanoscale
considerations.
Two
sections
provide
some
solid
liquid
surfaces.
interfacial
environments,
molecular
structures
can
precisely
observed
analyzed
theoretical
calculations.
Solid
surfaces
are
a
prime
site
for
level.
has
potential
pave
way
cutting‐edge
functionality
based
on
advanced
observation
analysis.
Liquid
more
kinetic
dynamic
than
interfaces,
their
high
fluidity
offers
many
possibilities
fabrications
by
nanoarchitectonics.
latter
feature
advantages
in
terms
freedom
interaction
diversity
components,
therefore,
may
suitable
environments
functionalities.
final
section
then
discusses
what
needed
future
material
creation
