Sustainable Electrospun Hybrid Nanofibers for Triboelectric Nanogenerators
Small,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 29, 2025
Abstract
Triboelectric
nanogenerators
(TENGs)
have
emerged
as
potential
energy‐harvesting
modules
for
miniaturized
devices.
TENG
are
derived
often
from
components
having
low
sustainability
whereas
the
current
environmental
and
economic
circumstances
demand
a
focus
on
sustainable,
ecologically
friendly
approaches
development
of
advanced
hybrid
materials.
Herein,
recycled
polyethylene
terephthalate
(PET)
along
with
commercially
available
nylon
electrospun
into
nanofibers
The
obtained
characterized
using
microscopy,
spectroscopy,
thermal
mechanical
analysis.
Electrospinning
pristine
titanium
dioxide
nanoparticles
(TiO
2
NPs)
blended
polymer
solutions
resulted
in
uniform
without
beads.
addition
TiO
NPs
improved
properties
significantly
stability
nanofibers.
performance
fabricated
device
has
been
by
functionalizing
NPs.
Particularly,
combination
PET
(5%)
functionalized
reached
peak
power
density
23.44
mW
m
−
surface
charge
6.81
µC
,
max
output
voltage
111
V
−1.61µA.
This
study
opens
new
avenue
to
utilize
upcycled
cost‐effective
polymers
processed
electrospinning
powerful
tool
fabrication
next
generation
sustainable
Язык: Английский
Waterless Dyeing of Polyamide 6.6
Polymers,
Год журнала:
2024,
Номер
16(11), С. 1472 - 1472
Опубликована: Май 22, 2024
Waterless
dyeing
of
polyamide
6.6
using
scCO2
(supercritical
carbon
dioxide)
was
investigated.
PA
(polyamide)
fibers
can
be
dyed
with
various
dyes,
including
disperse
dyes.
The
conventional
aqueous
process
uses
large
amounts
water
and
produces
polluted
water.
Considering
these
environmental
issues,
waterless
is
a
forefront
issue,
utilization
supercritical
dioxide
(scCO2)
commercially
viable
technology
for
dyeing.
This
study
tested
PA6.6
(polyamide
6.6)
in
at
100
°C
220
bar
pressure
45
min.
Color
measurements
color
fastness
tests
were
performed,
as
well
tensile
strength,
scanning
electron
microscope
(SEM)
analysis,
Fourier
transform
infrared
spectroscopy
(FTIR)
analysis.
fabrics
yielded
higher
K/S
(color
the
Kubelka–Munk
equation)
values
larger
molecular
weight
dye
almost
same
strength
medium
small-sized
demonstrating
ability
environment
without
more
environmentally
friendly
option
compared
to
Язык: Английский
Electrospun Smart Hybrid Nanofibers for Multifaceted Applications
Macromolecular Rapid Communications,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 14, 2024
Abstract
Smart
electrospun
hybrid
nanofibers
represent
a
cutting‐edge
class
of
functional
nanostructured
materials
with
unique
collective
properties.
This
review
aims
to
provide
comprehensive
overview
the
applications
smart
in
fields
energy,
catalysis,
and
biomedicine.
Electrospinning
is
powerful
tool
fabricate
different
types
nanofibers’
morphologies
precise
control
over
structure
compositions.
Through
incorporation
various
components,
such
as
nanoparticles,
nanomoieties,
biomolecules,
into
(co)polymer
matrix,
can
be
tailored
exhibiting
responsiveness
external
stimuli
temperature,
pH,
or
light
among
others.
Herein
recent
advancements
fabrication
strategies
for
are
discussed,
focusing
on
electrospinning
tools
aimed
at
tailoring
developing
nanofibers.
These
include
surface
functionalization,
doping,
templating,
which
enable
fine‐tuning
mechanical
strength,
conductivity,
biocompatibility.
The
explores
challenges
progress
development
Issues
scalability,
reproducibility,
biocompatibility,
environmental
sustainability
identified
key
improvement.
Furthermore,
biomedicine,
environment,
energy
storage,
textiles
underscore
their
potential
address
emerging
technologies.
Язык: Английский
The use of graphene nanoplatelet‐embedded PA‐6 nanofibres to remove turbidity from water
The Canadian Journal of Chemical Engineering,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 20, 2024
Abstract
The
global
challenge
of
providing
clean
water
at
an
affordable
cost
has
led
to
the
need
for
development
low‐cost
and
non‐toxic
materials
treatment
recycling
waste
water.
Nanofibres
have
emerged
as
a
promising
solution
due
their
superior
properties.
To
this
end,
composite
polyamide‐6
(PA‐6)
nanofibres
embedded
with
graphene
nanoplatelets
(GNPs)
were
prepared
by
electrospinning.
study
investigated
effect
ratio
GNPs,
which
ranged
from
0.1
1.0
wt.%,
on
mechanical
properties
removal
turbidity.
results
showed
that
PA‐6
0.5
wt.%
GNP
exhibited
enhanced
properties,
increasing
lower
turbidity
values.
best
our
knowledge,
GNP‐embedded
not
been
used
before,
these
filter
are
excellent
fibre
structure,
strength,
high
level
removal.
Язык: Английский