Deleted Journal,
Journal Year:
2024,
Volume and Issue:
19(1)
Published: Sept. 27, 2024
Abstract
Over
the
past
decade,
biopolymers
made
from
renewable
resources
like
plants,
algae,
seashell
waste,
and
seaweed
have
become
increasingly
popular
as
industries
strive
to
reduce
their
environmental
pollution
without
compromising
socioeconomic
growth.
Biopolymers
are
often
regarded
a
significant
alternative
conventional
materials
due
low
weight,
great
strength,
stiffness,
biostability,
non-toxicity.
Therefore,
beginning
adopt
use
of
biopolymers,
including
those
dealing
with
packaging,
agriculture,
automobiles,
healthcare,
well
energy
harvesting.
Supercapacitors
batteries
two
examples
electrochemical
devices
for
storage
that
can
be
using
bespoke
composites.
Although
biopolymers’
potential
uses
restricted,
they
nevertheless
useful
when
combined
other
create
This
boosts
efficiency
biologically
active
molecules
also
enhances
inherent
physical
features.
review
focuses
on
recent
developments,
specifically
diverse
composites
supercapacitor
applications,
followed
by
future
perspectives.
The Journal of Physical Chemistry B,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 17, 2025
In
this
study,
we
report
the
synthesis
of
polyaniline
derivatives
(para-,
meta-,
chiral
meta-linked
polyanilines,
and
a
thiophene–aniline
copolymer)
using
Buchwald–Hartwig
reaction.
The
electrical
conductivity
analysis
results
sulfuric
acid-doped
meta-
para-linked
polyanilines
indicate
generation
polarons
(radical
hole),
whose
delocalization
is
essential
for
conduction.
Furthermore,
in
main
chain
associated
with
paramagnetism
at
high
temperatures
due
to
intramolecular
interactions.
A
copolymer
thiophene
aniline,
consisting
an
electron-rich
affected
by
lone
pairs
S
N
atoms,
exhibits
despite
neutral
electronic
state.
Chiral
was
synthesized
via
combination
Mitsunobu
(introduction
substituent
into
monomer),
(Pd
cross-coupling
polycondensation),
Tokumaru
(oxidation
m-chloroperoxybenzoic
acid
generate
nitroxyl
radicals
chain)
reactions.
Circular
dichroism
measurement
revealed
that
polymer
optical
activity.
Magnetic
measurements
superconducting
quantum
interference
device
magnetism
resultant
polymers
low
temperatures.
differences
magnetic
behaviors
conductivities
different
conjugated
structures
provide
new
avenues
molecular
design
science.
Journal of Composites Science,
Journal Year:
2024,
Volume and Issue:
8(9), P. 373 - 373
Published: Sept. 21, 2024
Core–shell
inorganic/organic
composites
have
often
been
applied
as
fillers
in
electromagnetic
interference
shielding.
Those
composed
of
conducting
polymers
and
ferrites
are
particular
interests
with
respect
to
their
electrical
magnetic
properties.
Pyrrole
was
oxidized
aqueous
medium
the
presence
manganese-zinc
ferrite
microparticles
ammonium
peroxydisulfate
or
iron(III)
chloride
yield
polypyrrole-coated,
core–shell
microstructures.
The
effect
methyl
orange
dye
on
conversion
globular
polypyrrole
nanotubes
has
demonstrated
by
electron
microscopy
when
used
an
oxidant.
formation
proved
FTIR
spectroscopy.
completeness
coating
confirmed
Raman
resistivity
composite
powders
determined
four-point
van
der
Pauw
method
a
function
pressure
up
10
MPa.
conductivity
matrix
only
moderately
decreased
increasing
content
ferrite.
highest
composites,
13–25
S
cm−1,
achieved
after
deposition
nanotubes.
Magnetic
properties
not
affected
moiety,
magnetization
proportional
content.
Journal of Thermoplastic Composite Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 11, 2024
Polyaniline
is
a
remarkable
conjugated
polymer
having
valuable
structural
and
physical
characteristics.
Nevertheless,
polyaniline
has
poor
solubility
durability
which
had
limited
its
practical
utilization.
Consequently,
been
reinforced
with
carbonaceous
inorganic
nanoparticles
to
enhance
processability
properties,
such
as
electrical/thermal
conductivity
thermal/mechanical
stability.
Accordingly,
applied
matrix
material
form
nanocomposites
graphene
one
atom
thick
nanosheet
of
hexagonally
arranged
carbon
atoms.
Subsequently,
well
modified
forms
have
utilized
important
nanoadditives
for
the
matrix.
This
state-of-the-art
review
article
designed
investigate
fabrication,
characteristics,
applications
graphene/modified
based
nanomaterials.
Potential
enhancements
in
characteristics
pristine
upon
reinforcement
seemed
be
reliant
matrix-nanofiller
interactions,
interface
formation,
synergetic
effects
between
polyaniline-graphene.
aspects
polyaniline/graphene
discussed
regarding
their
fields
solar
cells,
supercapacitors,
sensors.
According
literature
analysis,
dye
sensitized
cell
on
oxide
exhibited
superior
power
conversion
efficiencies
∼2.0-7.6
%
open
circuit
voltage
∼500-800
mV.
Supercapacitor
electrodes
polyaniline/reduced
showed
significantly
high
values
specific
capacitance
retention
∼1100-1900
Fg
−1
∼80-98
%,
respectively,
during
>5000-6000
cycles.
Besides,
depicted
sensitivity
response
time
gas
sensors
(∼20
50
s,
respectively)
humidity
(>90
4-7
low
detection
limits
biosensors.
