18-membered
diazomacrocycles
with
imidazole
or
4-methylimidazole
residue
as
a
part
of
macrocycle
were
used
chromoionophores
in
bismuth(III)
and
lead(II)
dual
selective
optodes
for
the
first
time.
Cellulose
triacetate
membranes
doped
macrocyclic
are
color
change
from
orange/red
to
different
shades
blue
violet,
respectively.
Results
obtained
model
real
samples
showed
that
easily
accessible
regenerable
sensor
materials
can
be
spectrophotometric
colorimetric
detection
determination
lead(II).
The
LOD
values
1.63×10-7
M
3.03×10-7
detection,
respectively,
when
using
optode
residue.
For
sensing
material
macroring
lowest
limits
lead(II):
2.14×10-7
3.99×10-7
digital
analysis
mode
European Journal of Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
27(21)
Published: May 15, 2024
Abstract
π‐Conjugated
compounds
exhibit
remarkable
photophysical
properties,
such
as
strong
light
absorption
and
emission,
are
applicable
to
organic
devices,
bioimaging,
sensing
systems.
The
introduction
of
p‐block
elements
into
π‐conjugated
systems
is
presumable
a
critical
strategy
for
modulating
their
properties.
Nevertheless,
the
type
utilized
has
been
limited
second
third‐period
ones
because
it
difficult
construct
electronic
interactions
between
heavier
atoms
carbon‐based
scaffolds.
On
other
hand,
recently
suggested
that
able
induce
significant
changes
in
optoelectronic
properties
thanks
large
size,
high
polarizability,
heavy
atom
effect.
Although
there
much
room
explore
effects
heavy‐atom
substitution
on
physical
conjugated
systems,
various
characters
have
discovered.
Hence,
this
review
mainly
focuses
relationships
types
optical
representative
complexes
organoelement
compounds,
particularly
emission.
Dalton Transactions,
Journal Year:
2023,
Volume and Issue:
52(36), P. 12597 - 12603
Published: Jan. 1, 2023
Hypervalent
(three-center,
four-electron)
bonding
in
organobismuth
complexes
has
demonstrated
to
activate
bonds
and
perturb
electron
configurations
promoting
synthesis,
catalysis,
materials,
other
applications.
Inorganic Chemistry,
Journal Year:
2023,
Volume and Issue:
62(39), P. 15834 - 15841
Published: Sept. 19, 2023
A
highly
sensitive
detection
of
ultraviolet
(UV)
radiation
is
required
in
a
broad
range
scientific
research,
chemical
industries,
and
health-related
applications.
Traditional
UV
photodetectors
fabricated
by
direct
wide-band-gap
inorganic
semiconductors
often
suffer
from
several
disadvantages
such
as
complicated
manufacturing
procedures,
requiring
multiple
operations
high-cost
instruments
to
obtain
readout.
Searching
for
new
materials
or
simple
strategies
develop
dosimeters
quantitative,
accurate,
on-site
dose
still
desirable.
Herein,
photochromic
uranyl-based
coordination
polymer
[(UO2)(PBPCA)·DMF]·DMF
(PBPCA
=
pyridine-3,5-bis(phenyl-4-carboxylate),
DMF
N,N'-dimethylformamide,
denoted
SXU-1)
with
radiolytic
stabilities
was
successfully
synthesized
via
the
solvothermal
method
at
100
°C.
Surprisingly,
fresh
samples
SXU-1
underwent
an
ultra-fast
UV-induced
(365
nm,
2
mW)
color
variation
yellow
orange
less
than
1
s,
then
changed
further
brick
red
after
subsequent
irradiation,
inspiring
us
colorimetric
dosimeter
based
on
red-green-blue
(RGB)
parameters.
The
mechanism
radical-induced
photochromism
intensively
investigated
UV-vis
absorption
spectra,
EPR
analysis,
SC-XRD
data.
Furthermore,
incorporated
into
optoelectronic
device
fabricate
novel
convenient,
dose.
Inorganic Chemistry,
Journal Year:
2023,
Volume and Issue:
63(1), P. 416 - 430
Published: Dec. 15, 2023
Bismuth-based
coordination
complexes
are
advantageous
over
other
metal
complexes,
as
bismuth
is
the
heaviest
nontoxic
element
with
high
spin–orbit
coupling
and
potential
optoelectronics
applications.
Herein,
four
halide-based
[Bi2Cl6(phen-thio)2]
(1),
[Bi2Br6(phen-thio)2]
(2),
[Bi2I6(phen-thio)2]
(3),
[Bi2I6(phen-Me)2]
(4)
were
synthesized,
characterized,
subjected
to
detailed
photophysical
studies.
The
characterized
by
single-crystal
X-ray
diffraction,
powder
NMR
Spectroscopic
analyses
of
1–4
in
solutions
different
polarities
performed
understand
role
organic
inorganic
components
determining
ground-
excited-state
properties
complexes.
ground-state
absorption,
steady-state
photoluminescence,
microsecond
time-resolved
absorption
spectroscopy.
Periodic
density
functional
theory
(DFT)
calculations
on
solid-state
structures
parts
studies
showed
that
changing
ancillary
ligand
from
chlorine
(Cl)
bromine
(Br)
iodine
(I)
bathochromically
shifts
band
along
enhancing
coefficient.
Also,
halides
(Cl,
Br
I)
affects
photoluminescent
quantum
yields
ligand-centered
(LC)
emissive
state
without
markedly
affecting
lifetimes.
combined
results
confirmed
strongly
influenced
part,
lower-energy
excited
LC.
This
study
paves
way
design
novel
for
optoelectronic
applications
rigorously
choosing
ligands
salt.
Bismuth
based
coordination
complexes
are
advantageous
over
other
metal
complexes,
as
is
the
heaviest
non-toxic
element
with
high
spin
orbit
coupling
and
potential
optoelectronics
applications.
Herein,
four
halide-based
[Bi2Cl6(phen-thio)2]
(1),
[Bi2Br6(phen-thio)2]
(2),
[Bi2I6(phen-thio)2]
(3),
[Bi2I6(phen-Me)2]
(4)
were
synthesized,
characterized
subjected
to
detailed
photophysical
studies.
The
by
single
crystal
X-ray
diffraction,
powder
diffraction
NMR
Spectroscopic
analysis
of
1-4
in
solutions
different
polarities
performed
understand
role
organic
inorganic
components
determining
ground
excited
state
properties
complexes.
absorption,
steady
photoluminescence,
microsecond
time-resolved
photoluminescence
absorption
spectroscopy.
Periodic
Density
Functional
Theory
(DFT)
calculations
on
solid
structures
part
studies
showed
that
changing
ancillary
ligand
from
chlorine
(Cl),
bromine
(Br)
iodine
(I)
bathochromically
shifts
band
along
enhancing
coefficient.
Also,
halides
(Cl,
Br
I)
affect
photoluminescent
quantum
yields
centered
(LC)
emissive
without
markedly
affecting
lifetimes.
combined
results
confirmed
strongly
influenced
lower
energy
LC.
This
study
paves
way
design
novel
bismuth
for
optoelectronic
applications
rigorously
choosing
ligands
salt.
Sensors and Actuators B Chemical,
Journal Year:
2023,
Volume and Issue:
399, P. 134798 - 134798
Published: Oct. 17, 2023
18-membered
diazomacrocycles
with
imidazole
or
4-methylimidazole
residue
as
a
part
of
macrocycle
were
used
chromoionophores
in
bismuth(III)
and
lead(II)
dual
selective
optodes
for
the
first
time.
Cellulose
triacetate
membranes
doped
macrocyclic
are
color
change
from
orange/red
to
different
shades
blue
violet,
respectively.
Results
obtained
model
real
samples
showed
that
easily
accessible
regenerable
sensor
materials
can
be
spectrophotometric
colorimetric
detection
determination
lead(II).
The
LOD
values
1.63×10-7
M
3.03×10-7
detection,
respectively,
when
using
optode
residue.
For
sensing
material
macroring
lowest
limits
lead(II):
2.14×10-7
3.99×10-7
digital
analysis
mode,
Journal of Synthetic Organic Chemistry Japan,
Journal Year:
2024,
Volume and Issue:
82(3), P. 269 - 278
Published: March 1, 2024
The
new
strategy
for
modulating
the
energy
levels
of
conjugated
molecules
without
extending
π-conjugated
system
is
described.
In
distribution
frontier
molecular
orbitals
(FMOs)
which
can
be
depicted
with
quantum
calculation,
when
one
FMOs
distributed
on
skeletal
carbon,
each
them
defined
as
isolated
highest
occupied
orbital
(HOMO)
or
lowest
unoccupied
(LUMO).
By
substituting
carbon
to
nitrogen
(aza-substitution)
at
FMO,
we
found
that
efficient
and
selective
lowering
level
realized.
this
review,
explain
recent
progresses
developments
near-infrared
(NIR)
light-absorbing
and/or
emitting
materials
based
LUMO
through
aza-substitution
LUMO.
Initially,
representative
examples
regulation
are
illustrated
azaphenalene
derivatives.
Next,
aggregation-induced
emission
(AIE)
crystallization-induced
(CIE)-active
complexes
longer
wavelength
explained.
Furthermore,
series
polymers
having
NIR-luminescent
properties
were
obtained.
mechanism
applications
advanced
optical
We
show
here
a
powerful
controlling
systems
creating
superior
functional
materials.
Chemical Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Since
π-conjugated
molecules
are
commonly
used
as
a
scaffold
for
constructing
optoelectronic
and
functional
materials,
much
effort
has
been
devoted
to
exploring
novel
molecular
scaffolds
obtaining
superior
properties.
This
study
focuses
on
dinuclear
hypervalent
tin(iv)
compounds
prepared
by
the
ladderization
of
Schiff
bases
using
tin
units.
The
optical
measurements
found
that
introducing
atoms
can
reinforce
D-π-A
system.
We
synthesized
two
types
simple
condensation
reactions
observed
near-infrared
(NIR)
emission.
Also,
depending
direction
imine
bonds,
these
had
different
quadrupolar
orientations
with
D-π-A-π-D
A-π-D-π-A
systems
followed
negative
solvatochromism,
which
is
unique
behavior
quadrupolar-derived
absorption.
Furthermore,
polymers
involving
showed
NIR
emission
in
wavelength
range
over
800
nm
owing
distinct
expansion
π-conjugation.
Our
findings
could
be
useful
not
only
electronic
structures
narrow
energy
gaps
but
also
designing
states
environmental
responsiveness.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 17, 2024
Abstract
Stimuli‐responsive
materials
have
been
applied
for
sensor
devices
because
they
can
transform
and
amplify
various
target
stimuli
into
observable
signals.
Much
effort
has
devoted
to
exploring
effective
molecular
designs
obtaining
stimuli‐responsive
behaviors
by
taking
advantage
of
the
unique
optoelectronic
properties
π‐conjugated
molecules
involving
elements.
This
study
focuses
on
modulation
electronic
state
scaffolds
oxidation
number
change
hypervalent
antimony.
demonstrate
that
strength
intramolecular
interaction
between
antimony
framework
be
tuned
with
ligand
structure,
substituent
effect,
shifts
In
particular,
color
changes
represented
hypsochromic
bathochromic
wavelength
optical
bands
are
achieved
oxidative
reaction
in
solid
state.
Significantly,
direction
confidently
predicted
quantum
chemical
calculations.
The
findings,
based
main‐group
elements,
provide
logical
design
strategies
advanced
materials.
