Dalton Transactions,
Год журнала:
2022,
Номер
51(7), С. 2715 - 2725
Опубликована: Янв. 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.
Chemical Reviews,
Год журнала:
2021,
Номер
122(1), С. 565 - 788
Опубликована: Дек. 1, 2021
This
review
surveys
recent
progress
in
the
chemistry
of
polycyclic
heteroaromatic
molecules
with
a
focus
on
structural
diversity
and
synthetic
methodology.
The
article
covers
literature
published
during
period
2016-2020,
providing
an
update
to
our
first
this
topic
(
ACS Energy Letters,
Год журнала:
2020,
Номер
5(4), С. 1186 - 1197
Опубликована: Март 10, 2020
Recently,
indoor
photovoltaics
have
attracted
much
interest
for
their
ability
to
power
small
electronic
devices
and
sensors,
especially
with
the
growth
of
internet
things
(IoT).
Because
absorption
covering
ambient
emission
spectra
tunable
structures,
π-conjugated
polymers
molecules
are
well-suited
these
applications.
Among
many
benefits,
including
ink
processability,
low
weight,
flexibility,
organic
(IOPVs)
show
conversion
efficiencies
(PCEs)
over
26%.
This
represents
a
output
30
μW
cm–2
under
office
light
(500
lx),
which
is
sufficient
operate
sensors
relatively
photovoltaic
area.
Focus
Review
highlights
major
advances
in
material
design
IOPVs
includes
some
industrial
insights
reach
production
scale
criteria.
Green Chemistry,
Год журнала:
2022,
Номер
24(5), С. 1809 - 1894
Опубликована: Янв. 1, 2022
A
comprehensive
and
critical
overview
of
the
sustainable
strategies
for
direct
C–H
bond
arylation
(hetero)arenes,
based
on
use
recoverable
catalysts,
solvents
non-conventional
energy
sources,
has
been
performed.
Journal of the American Chemical Society,
Год журнала:
2019,
Номер
141(22), С. 9096 - 9104
Опубликована: Май 22, 2019
Boron-doping
has
long
been
recognized
as
a
promising
LUMO
energy-lowering
modification
of
graphene
and
related
polycyclic
aromatic
hydrocarbons
(PAHs).
Unfortunately,
synthetic
difficulties
have
significant
bottleneck
for
the
understanding,
optimization,
application
precisely
boron-doped
PAHs
optoelectronic
purposes.
Herein,
facile
one-pot
hydroboration
electrophilic
borylation
cascade/dehydrogenation
approach
from
simple
alkene
precursors
is
coupled
with
postsynthetic
B-substitution
to
give
access
ten
ambient-stable
core-
periphery-tuned
PAHs.
These
include
large
hitherto
unknown
doubly
analogues
anthanthrene
triangulene.
Crystallographic,
optical,
electrochemical,
computational
studies
were
performed
clarify
effect
PAH
shape,
size,
structure
on
properties.
Our
molecular
tuning
allowed
synthesis
molecules
exhibiting
visible-range
absorption,
near-unity
fluorescence
quantum
yields,
and,
our
knowledge,
most
electrochemical
reductions
any
reported
(corresponding
energy
levels
low
fullerenes).
Finally,
study
describes
first
implementation
precise
three-coordinate
boron-substituted
an
acceptor
material
in
organic
solar
cells
power
conversion
efficiencies
(PCEs)
up
3%.
Chemistry - A European Journal,
Год журнала:
2020,
Номер
27(9), С. 2973 - 2986
Опубликована: Авг. 27, 2020
Abstract
The
extension
of
conjugated
organoboranes
from
monomeric
species
to
oligomers,
macrocycles,
and
polymers
offers
access
a
plethora
fascinating
new
materials.
p–π*
conjugation
between
empty
orbitals
on
boron
the
linkers
not
only
affects
electronic
structure
optical
properties,
but
also
enables
mutual
interactions
electron‐deficient
centers.
unique
properties
these
π‐conjugated
systems
are
exploited
in
highly
luminescent
materials,
organic
optoelectronic
devices,
sensing
applications.
ACS Energy Letters,
Год журнала:
2022,
Номер
8(1), С. 96 - 106
Опубликована: Ноя. 22, 2022
Many
studies
have
proven
the
significant
roles
of
side
chains
far
beyond
being
solubilizing
groups
as
well
interesting
merits
fluorination
on
π-backbones
in
intrinsic
properties
and
device
performances
organic
semiconductors.
Considering
integration
two
features,
we
herein
introduce
a
4,4,4-trifluorobutyl
(CF3-terminated)
chain
into
2H-1,2,3-benzotriazole-core-based
acceptor–donor–acceptor–donor–acceptor-type
nonfullerene
acceptor
(NFA)
named
YCF3
demonstrate
its
effectiveness
optoelectronic,
morphological,
photovoltaic
properties.
Comparative
experimental
theoretical
confirmed
unique
features
(e.g.,
red-shifted
film
absorption,
better
absorptivity,
finely
adjusted
energies,
higher
mobility)
associated
with
enhanced
crystalline
nature,
compared
analogous
NFA
an
n-butyl
YCH3.
The
best
power
conversion
efficiency
(PCE)
18.21%
is
achieved
YCF3-based
binary
solar
cell
(OSC)
together
good
heat
light
stability.
Moreover,
OSC
presents
remarkable
PCE
16.11%
inverted-structure
large-area
device.
ACS Applied Materials & Interfaces,
Год журнала:
2019,
Номер
11(49), С. 46017 - 46025
Опубликована: Ноя. 14, 2019
Strong
visible
light
absorption
is
essential
to
achieve
high
power
conversion
efficiency
in
indoor
organic
photovoltaics
(iOPVs).
Here,
we
report
iOPVs
that
exhibit
with
voltage
under
excitation
by
low
lighting.
Inverted
type
photovoltaic
devices
active
layer
blends
utilizing
the
polymer
donor
PPDT2FBT
paired
fullerene,
perylene
diimide,
or
ring-fused
acceptors
are
6.5–9.1%
efficient
1
sun
demonstrated
reach
efficiencies
from
10
17%
an
source.
This
performance
transcends
of
a
standard
silicon
device.
Moreover,
compared
layers
both
spin-cast
and
slot-die
cast
nonhalogenated
solvents
demonstrate
comparable
performance.
work
opens
path
towards
high-efficiency
for
electronics.
