Small,
Journal Year:
2023,
Volume and Issue:
20(17)
Published: Dec. 5, 2023
Abstract
The
technical
synergy
between
flexible
sensing
paper
and
triboelectric
nanogenerator
(TENG)
in
the
next
stage
of
artificial
intelligence
Internet
Things
engineering
makes
development
intelligent
with
function
very
attractive.
Therefore,
it
is
extremely
urgent
to
explore
functional
papers
that
are
more
suitable
for
sensing.
Here,
a
cellulose
nanocrystals
(CNCs)
reinforced
PVDF
hybrid
(CPHP)
developed
by
electrospinning
technology.
Benefitting
from
unique
effects
CNCs,
CPHP
forms
solid
cross‐linked
network
among
fibers
obtains
high‐strength
(25
MPa)
paper‐like
state
high
surface
roughness.
Meanwhile,
CNCs
also
improve
triboelectrification
effect
assisting
matrix
form
electroactive
phases
(96%
share)
higher
relative
permittivity
(17.9).
CPHP‐based
TENG
single
electrode
configuration
demonstrates
good
output
performance
(open‐circuit
voltage
116
V,
short‐circuit
current
2.2
µA
power
density
91
mW
m
−2
)
ultrahigh
pressure‐sensitivity
response
(3.95
mV
Pa
−1
),
which
endows
reliable
supply
capability.
More
importantly,
self‐powered
tactile
sensor
array
exhibits
multifunctional
applications
imitation
Morse
code
compilation,
track
recognition,
game
character
control,
showing
great
prospects
inductive
device
human–machine
interaction.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(15), P. 19551 - 19562
Published: April 3, 2024
Highly
conductive,
transparent,
and
easily
available
materials
are
needed
in
a
wide
range
of
devices,
such
as
sensors,
solar
cells,
touch
screens,
alternatives
to
expensive
unsustainable
indium
tin
oxide.
Herein,
electrospinning
was
employed
develop
fibers
PEDOT:PSS/silver
nanowire
(AgNW)
composites
on
various
substrates,
including
poly(caprolactone)
(PCL),
cotton
fabric,
Kapton.
The
influence
AgNWs,
well
the
applied
voltage
conductivity
fibers,
thoroughly
investigated.
developed
showed
sheet
resistance
7
Ω/sq,
354
S/cm,
transmittance
value
77%,
providing
excellent
optoelectrical
properties.
Further,
effect
bending
fibers'
electrical
properties
analyzed.
PCL
substrate
increased
slightly
from
8
after
1000
cycles.
Subsequently,
proof
concept,
nanofibers
were
evaluated
electrode
material
triboelectric
nanogenerator
(TENG)-based
energy
harvester,
they
observed
enhance
performance
TENG
device
(78.83
V
μA
output
current,
respectively),
compared
same
using
copper
electrodes.
These
experiments
highlight
untapped
potential
conductive
electrospun
for
flexible
transparent
electronics.
ACS Applied Electronic Materials,
Journal Year:
2024,
Volume and Issue:
6(2), P. 1161 - 1173
Published: Jan. 25, 2024
Triboelectric
nanogenerators
(TENGs)
are
renowned
for
capturing
large-scale
unused
energy
from
ambient
surroundings.
A
sustainable
TENG
can
meet
future
demands
without
contaminating
our
environment.
In
the
present
study,
we
have
synthesized
nickel
oxide
nanoparticles
(NiO
NPs)
via
coprecipitation
method.
Further,
NiO
NPs
were
doped
with
poly(vinylidene
fluoride)
(PVDF)
(0
to
9
wt
%
w.r.t.
PVDF
concentration)
prepare
PVDF-NiO
electrospun
nanofibrous
mat.
The
output
efficiency
was
calculated
in
terms
of
open-circuit
voltage
(Voc)
and
short-circuit
current
(Isc).
NiO-doped
thermoplastic
polyurethane
(TPU)-based
generated
enhanced
performance
compared
pristine
(P-Ni-0)/TPU-based
TENG.
Among
six
combinations
samples
fabricated,
7
(P-Ni-7)/TPU-based
utmost
252
V,
which
is
almost
22-fold
higher
than
P-Ni-0/TPU
triboelectric
pair
(11.5
V).
Similarly,
maximum
achieved
7.3
μA,
a
9-fold
enhancement
over
(0.8
μA).
power
density
optimized
((P-Ni-7)/TPU)
0.86
mW/m2,
it
directly
used
light
up
15
LEDs.
Furthermore,
flexible
self-powered
P-Ni-7/TPU-based
device
demonstrated
real-time
biomechanical
motion
measurements.
Overall,
this
work
disclosed
facile
technique
doping
into
matrix,
fabricated
when
mechanical
harvesting
power-supplying
systems
miniaturized
wearable
electronic
devices.
Journal of Applied Polymer Science,
Journal Year:
2024,
Volume and Issue:
141(15)
Published: Jan. 28, 2024
Abstract
Electrospinning
is
an
economical,
efficient,
and
versatile
process
for
the
preparation
of
continuous
nanofibers
with
desired
patterns,
tailored
fiber
diameters,
orientations.
Since
its
invention,
electrospinning
has
been
utilized
to
prepare
from
several
natural
polymers
synthetic
use
as
scaffolds
in
tissue
engineering,
regeneration,
biomedical
applications.
Furthermore,
complex
were
prepared
by
polymer
solutions
formulated
blending
organic
bioceramics
other
inorganic
molecules.
Lately,
coaxial
emerged
a
promising
technology
drug‐loaded
biodegradable
core‐shell
structured
micro/nanofibers
sustained
drug
delivery
This
paper
will
discuss
basic
mechanism
electrospinning,
parameters
governing
process,
various
materials
investigated
recent
advances.
Small,
Journal Year:
2023,
Volume and Issue:
20(17)
Published: Dec. 5, 2023
Abstract
The
technical
synergy
between
flexible
sensing
paper
and
triboelectric
nanogenerator
(TENG)
in
the
next
stage
of
artificial
intelligence
Internet
Things
engineering
makes
development
intelligent
with
function
very
attractive.
Therefore,
it
is
extremely
urgent
to
explore
functional
papers
that
are
more
suitable
for
sensing.
Here,
a
cellulose
nanocrystals
(CNCs)
reinforced
PVDF
hybrid
(CPHP)
developed
by
electrospinning
technology.
Benefitting
from
unique
effects
CNCs,
CPHP
forms
solid
cross‐linked
network
among
fibers
obtains
high‐strength
(25
MPa)
paper‐like
state
high
surface
roughness.
Meanwhile,
CNCs
also
improve
triboelectrification
effect
assisting
matrix
form
electroactive
phases
(96%
share)
higher
relative
permittivity
(17.9).
CPHP‐based
TENG
single
electrode
configuration
demonstrates
good
output
performance
(open‐circuit
voltage
116
V,
short‐circuit
current
2.2
µA
power
density
91
mW
m
−2
)
ultrahigh
pressure‐sensitivity
response
(3.95
mV
Pa
−1
),
which
endows
reliable
supply
capability.
More
importantly,
self‐powered
tactile
sensor
array
exhibits
multifunctional
applications
imitation
Morse
code
compilation,
track
recognition,
game
character
control,
showing
great
prospects
inductive
device
human–machine
interaction.
