Journal of Polymer Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 28, 2024
ABSTRACT
Ferrocenyl‐containing
Fe(II)‐bipyridinedicarboxamide
polysiloxane
complexes
with
two
redox
metal
centers
were
obtained
by
anionic
ring‐opening
polymerization,
polycondensation,
and
complexation
reactions
utilizing
various
Fe
II
:Bipy
molar
ratios
of
1:(3–12).
The
polymer
ligand
was
characterized
liquid‐state
NMR,
FTIR,
gel
permeation
chromatography
(
M
n
=
8800).
structure
the
polymer‐metal
(PMCs),
that
is,
presence
ferrocenyl
groups
[Fe
(Bipy)
3
]
coordination
cross‐links
–N
Bipy
bond
formation,
confirmed
solid‐state
UV–vis,
EDX.
PMCs
exhibit
multiredox
activity
showing
three
waves
at
E
1/2
≈
−1.3,
0.2,
1.0
V
related
to
Fc/Fc
+
couple,
[Fe(Bipy)
2
/[Fe
2+
,
/[Fe(Bipy)
3+
transformations.
possess
electrochromic
properties
resulting
from
reduction–oxidation
(Fc/Fc
)
fragments
leading
changes
in
intensity
bands
628,
542,
380
nm
UV–vis
spectra
(coloring
efficiency
reaches
13.4
cm
·C
−1
).
are
flexible,
stretchable,
mechanically
strong
silicone
materials
elongation
break,
tensile
strength,
Young's
modulus
reaching
110%,
3.5
MPa,
21.8
respectively,
self‐healing
ability
100°C.
described
expand
applications
as
engineering
for
fabrication
(opto)electronic
devices
protective
coatings
a
long
service
life
compared
previously
reported
polymers.
Chemical Communications,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
This
work
presents
the
first
recyclable
multi-layer
films
with
an
impedance
optimization
design,
created
via
simulation
screening,
that
consists
of
ordered
and
arranged
to
enhance
absorption
bandwidth
from
0
GHz
2.17
GHz.
