Liquid and film-type organic scintillators based on near-infrared fluorescent π-conjugated polymers containing hypervalent tin(IV) compounds
Polymer Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 31, 2025
Language: Английский
Functional polymer materials containing heavy group‐14 elements focusing on germanium and tin
Smart Molecules,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 16, 2025
Abstract
In
this
review,
the
synthesis,
functions,
and
applications
of
polymers
containing
germanium
tin,
which
are
heavy
group
14
elements,
in
their
polymer
frameworks
summarized.
Germanium
tin
can
form
similar
skeletal
structures
with
homologues
carbon
silicon,
whereas
show
unique
properties
derived
from
large
atomic
radii
weak
binding
energies.
For
example,
polygermane
polystannane
exhibited
light
absorption
UV–visible
region
conductivity
because
σ‐conjugation
through
main‐chain
constructed
by
σ‐bonds
between
elements.
The
was
affected
conformational
change
main‐chain,
thermochromic
be
induced.
Furthermore,
bonds
were
able
to
cleaved
homolytically
upon
photoirradiation,
radicals
subsequently
generated.
By
incorporating
hypervalent
elements
into
π‐conjugated
system,
it
possible
modulate
electronic
system
σ*–π*
conjugation
highly
coordinated
Finally,
for
organic
solar
cells,
light‐emitting
materials,
chemical
sensors
have
been
achieved.
Herein,
representative
synthetic
methods
creating
smart
materials
will
explained.
Language: Английский
Stimuli‐Responsive Optical Materials Based on Hypervalent Antimony‐Containing Conjugated Molecules
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.
Language: Английский