Dalton Transactions,
Journal Year:
2022,
Volume and Issue:
51(7), P. 2715 - 2725
Published: Jan. 1, 2022
Two
novel
D-π-A
fluorophores
based
on
selenopheno[3,2-b]thiophene,
possessing
triphenylamine
and
4,4'-dimethoxytriphenylamine
units
as
donors
dimesitylborane
an
acceptor,
linked
through
a
π-conjugated
thiophene
spacer
(BTPAST
BOMeTPAST,
respectively)
were
synthesized.
Their
photophysical
properties
investigated
in
both
solution
the
state
of
aggregation
compared
to
those
their
corresponding
donor
parts,
having
no
(TPAST
OMeTPAST).
All
compounds
displayed
large
Stokes
shifts
between
100
140
nm
with
positive
solvatochromism
solvents
different
polarities.
While
BTPAST
induced
emission
(AIE)
twisted
intramolecular
charge
transfer
(TICT)
characteristics,
others
preponderated
TICT
effects.
The
sensing
abilities
BOMeTPAST
towards
anions
studied.
Both
exhibited
chromogenic
fluorogenic
responses
small
such
fluoride
cyanide,
for
which
detection
limits
found
be
0.12
2.43
ppm
0.59
0.92
respectively.
These
results
provide
guidance
development
fused
selenophenothiophene
sensors
field
anion
sensing.
Journal of Materials Chemistry A,
Journal Year:
2023,
Volume and Issue:
11(48), P. 26393 - 26425
Published: Jan. 1, 2023
This
review
highlights
key
features
of
PDA-NFA:
molecular
design,
diverse
grafting
sites,
advanced
synthesis,
morphology
control,
and
optimized
device
performance.
provides
a
vision
for
high-performance
PDA-NFA
NF-OSCs.
Journal of Materials Chemistry C,
Journal Year:
2019,
Volume and Issue:
7(24), P. 7427 - 7432
Published: Jan. 1, 2019
A
new
n-type
p-π*
conjugated
organic
molecule
based
on
triarylborane
shows
unique
alcohol-solubility
even
in
the
absence
of
polar
side
chains.
With
its
low-lying
LUMO/HOMO
energy
levels
and
high
electron
mobility,
can
be
used
as
acceptor
eco-friendly
alcohol-processed
solar
cells.
Colorants,
Journal Year:
2023,
Volume and Issue:
2(1), P. 151 - 178
Published: March 21, 2023
This
work
covers
the
development
of
non-fullerene
acceptors
for
use
in
organic
photovoltaics
built
using
N-annulated
perylene
diimide
dye.
The
classic
dye
has
been
extensively
used
to
construct
acceptors,
leading
device
power
conversion
efficiencies
over
10%.
Strong
visible
light
absorption
and
deep
frontier
molecular
energy
levels
have
made
such
materials
(both
polymeric)
near
ideal
pairing
with
narrow-gap
conjugated
polymers
bulk-heterojunction
active
layers.
N-annulation
provides
an
extra
site
side-chain
engineering
alters
electronic
structure
polycyclic
aromatic
core.
In
addition,
allows
selective
bromination
core,
building
blocks
that
are
useful
construction
large
frameworks
atom-economical
direct
heteroarylation
cross-coupling
method.
Herein,
we
detail
a
series
molecules
developed
by
our
team
based
on
form
dimers
different
cores
electron-rich
electron-deficient);
varied
side
chains;
tetramers
varying
geometries;
large,
asymmetric
internal
cascades.
these
as
photovoltaic
devices
(binary
ternary
blends,
outdoor
indoor
applications,
spin-coated
vs.
slot-die-coated
photoactive
layers)
is
presented.
Chemical Communications,
Journal Year:
2020,
Volume and Issue:
56(38), P. 5119 - 5122
Published: Jan. 1, 2020
Applications
of
highly
electron-deficient
organoborenium
ions
in
conjugated
materials
remain
scarce
due
to
their
low
stability
toward
air
and
moisture.
We
report
here
the
preparation
benzo[d]dithieno[b,f]borepinium
as
air-stable
π-conjugated
heterocycles
conversion
into
first
dimeric
borenium
cations,
which
exhibit
very
lying
LUMOs
enhanced
fluorescence
a
result
extended
conjugation.
Journal of Materials Chemistry C,
Journal Year:
2020,
Volume and Issue:
8(24), P. 8224 - 8233
Published: Jan. 1, 2020
The
molecular
geometry
of
fully
fused
perylene
diimides
was
tailored
by
F⋯F
repulsion
for
the
optimization
photovoltaic
performance
in
organic
solar
cells.
Polymer Chemistry,
Journal Year:
2021,
Volume and Issue:
12(23), P. 3471 - 3477
Published: Jan. 1, 2021
Borepin,
an
aromatic
ring
system
with
tricoordinate
boron,
was
incorporated
into
p–π*
conjugated
polymers.
The
polymers
exhibited
characteristic
optical
responses
upon
the
addition
of
cyanide
anions
in
solution.
Nanotechnology,
Journal Year:
2021,
Volume and Issue:
33(7), P. 072002 - 072002
Published: May 17, 2021
Solution-processed
organic
photovoltaic
(OPV)
as
a
new
energy
device
has
attracted
much
attention
due
to
its
huge
potential
in
future
commercial
manufacturing.
However,
so
far,
most
of
the
studies
on
high-performance
OPV
have
been
treated
with
halogenated
solvents.
Halogenated
solvents
not
only
pollute
environment,
but
are
also
harmful
human
health,
which
will
negatively
affect
large-scale
production
future.
Therefore,
it
is
urgent
develop
low-toxic
or
non-toxic
non-halogen
solvent-processable
OPV.
Compared
conventional
fullerene
OPVs,
non-fullerene
OPVs
exist
stronger
absorption,
better-matched
levels
and
lower
loss.
Processing
photoactive
layers
non-fullerenes
acceptor
material
broad
advantages
non-halogenated
This
review
introduces
research
progress
by
three
different
kinds
green
aromatic
solvent,
non-aromatic
alcohol
water.
Furthermore,
effects
optimization
strategies
photoelectric
performance
stability
analyzed
detail.
The
current
strategy
can
increase
power
conversion
efficiency
processed
up
17.33%,
close
processing
halogen-containing
Finally,
solvent
discussed.
non-fullerene-based
become
key
development
direction
for
industry.
Materials,
Journal Year:
2020,
Volume and Issue:
13(9), P. 2148 - 2148
Published: May 6, 2020
Perylene
has
had
a
tremendous
impact
in
the
history
of
material
research
for
molecular
semiconductors.
Among
numerous
derivatives
this
polyaromatic
hydrocarbon,
perylene
diimide
(PDI)
represents
promising
class
organic
materials
envisioned
as
non-fullerene
acceptors
(NFAs)
practical
photovoltaic
(OPV)
applications
due
to
their
enhanced
photo-
and
thermal
stability
remarkably
high
electron
affinity,
some
which
realize
band-like
transport
properties.
The
present
review
guides
representative
achievements
development
rationally
designed
PDI
systems,
highlighting
synthetic
methodologies
based
on
bay-functionalization
strategies
creating
well-designed
nanostructures
structure-performance
relationship
perylene-based
small
(SMAs)
outcomes.
Chemistry - A European Journal,
Journal Year:
2020,
Volume and Issue:
26(69), P. 16306 - 16317
Published: June 24, 2020
Herein,
the
design,
synthesis,
optical
properties,
and
mechanofluorochromism
characteristics
of
a
series
conjugates
having
covalently
linked
triarylborane
(TAB)
anil/boranil
units
(TAB-anil:
1
a-3
TAB-boranil:
1-3)
are
reported.
The
electronic
interactions
between
TAB
in
1-3
were
fine-tuned
by
changing
boryl
moiety's
position
on
phenyl
spacer
connecting
BMes2
(Mes=mesityl)
units.
A
moiety
at
meta
(1
a)
stabilizes
enolic
form
(E-OH),
whereas
para
(2
3
keto
(Z-NH)
solid
state.
However,
solution
a,
2
exhibit
keto-enol
tautomerism
both
ground
excited
states.
Compounds
show
red-shifted
absorption
compared
with
4
4,
which
devoid
moieties,
indicate
effective
participation
an
empty
p
orbital
boron
center
1-3.
showed
fluorescence
variations
response
to
external
stimuli
such
as
mechanical
grinding.
Long
phosphorescence
lifetimes
18-46
ms
observed
for
compounds
properties
rationalized
context
quantum
calculations.
