Journal of Composites and Biodegradable Polymers,
Journal Year:
2023,
Volume and Issue:
11, P. 64 - 74
Published: Dec. 30, 2023
Self-supported
flexible
supercapacitors
have
promising
applications
in
wearable
electronics.
The
electrode
materials,
as
a
crucial
component
of
supercapacitors,
decisive
impact
on
the
energy
storage
performance
entire
device.
Herein,
reduced
graphene
oxide-boron
atom
doped-carbon
nanotubes/polyaniline
(rGO-BCNT/PANI)
(rBP)
three-dimensional
(3D)
aerogel
sponge
materials
were
prepared
by
simple
ultrasonic
self-assembly
followed
reduction-induced
reaction.
rBP
structure
not
only
provided
channel
for
electrolyte
exchange,
but
also
enough
space
PANI
nanoparticles
to
withstand
volume
change
during
charging
and
discharging,
inhibited
decomposition
nanoparticles.
As
result,
3D
with
60
mg
addition
amount
(rBP60)
exhibited
high
specific
capacitance
(695
F·g-1),
power
density
(675
W·kg-1),
(60.95
Wh·kg-1)
at
0.5
A·g-1
three-electrode
system.
rBP60
material
can
reach
610
F·g-1
2
A·g-1,
retention
rate
up
88%
after
2000
cycles.
Coulombic
efficiency
was
close
or
equal
85.5%
different
current
densities.
exceptionally
flexible,
maintaining
its
morphology
without
damage
100
compression-release
Nanoscale,
Journal Year:
2024,
Volume and Issue:
16(15), P. 7264 - 7286
Published: Jan. 1, 2024
Printable
technologies
emerged
as
one
of
the
most
promising
strategies
to
achieve
versatile
design
and
integration
multi-functional
modules,
including
sensors
data
transmission
units,
onto
various
flexible
platforms.
AIP Advances,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Jan. 1, 2025
Inkjet
printing
is
regarded
as
a
new
generation
of
green
intelligent
manufacturing
technology.
However,
precise
control
the
state
droplets
in
inkjet
critical
and
costly.
In
this
study,
voltage-driven
signal-based
ink
droplet
prediction
model
suitable
for
small
sample
data
environment
proposed.
Seven
public
datasets
self-collected
experimental
are
grouped
together,
decision
tree,
AdaBoost.R2,
two-stage
TrAdaBoost.R2
algorithms
used,
respectively.
The
shows
excellent
performance
case
insufficient
by
transferring
knowledge
different
inks.
particular,
it
achieves
mean
square
errors
0.00219
volume
predictions
0.0645
velocity
predictions.
Similarly,
absolute
percentage
0.91%
1.37%
velocity.
Furthermore,
demonstrates
strong
generalization
ability
adaptability
to
maintain
high
accuracy
under
conditions.
results
indicate
that
effectively
mitigates
issues
caused
scarcity,
paving
way
technological
advancements
field
printing.
Materials,
Journal Year:
2024,
Volume and Issue:
17(2), P. 455 - 455
Published: Jan. 18, 2024
Starch-based
films
are
a
valuable
alternative
to
plastic
materials
that
based
on
fossil
and
petrochemical
raw
resources.
In
this
study,
corn
potato
starch
with
50%
glycerol
as
plasticizer
were
developed,
the
properties
of
confirmed
by
mechanical
properties,
surface
free
energy,
roughness,
and,
finally,
color
gloss
analyses.
Next,
overprinted
using
ink-jet
printing
quick
response
(QR)
codes,
text,
pictograms.
Finally,
print
quality
obtained
prints
was
determined
optical
density,
parameters,
visual
evaluation
prints.
general,
exhibit
lower
values
parameters
(tensile
strength,
elongation
at
break,
Young
Modulus)
water
transition
rate
(11.1
mg·cm−2·h−1)
than
film
(12.2
mg·cm−2·h−1),
solubility
is
18.7
±
1.4
20.3
1.2%
for
film,
respectively.
The
results
starch-based
very
promising.
QR
codes
quickly
readable
smartphone.
sharpness
lettering
worse
film.
At
same
time,
higher
densities
measured
films.
study
show
strong
potential
modern
substrate.
Polymers,
Journal Year:
2024,
Volume and Issue:
16(24), P. 3521 - 3521
Published: Dec. 18, 2024
This
work
presents
a
simple
process
for
the
development
of
flexible
acetone
gas
sensors
based
on
zinc
oxide/graphene/poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate).
The
were
prepared
by
inkjet
printing,
which
was
followed
metal
sparking
involving
different
times.
successful
decoration
ZnO
nanoparticles
(average
size
~19.0
nm)
surface
graphene–PEDOT:PSS
hybrid
ink
determined
characterizations,
including
Raman
spectroscopy,
Fourier
transform
infrared
field-emission
transmission
electron
microscopy,
X-ray
photoelectron
and
diffractometry.
nanoparticle-decorated
with
time
2
min
exhibited
highest
response
71.9%
at
10
ppm
acetone,
above
those
samples
treated
other
times
undecorated
control.
In
addition,
optimal
sensor
revealed
high
selectivity
over
several
kinds
gases,
such
as
ammonia,
toluene,
dimethylformamide,
ethanol,
methanol,
benzene,
room
temperature.
also
low
limit
detection
(0.4
ppm),
sensitivity
(6.18
ppm−1),
stability
(5-week
long-term)
to
acetone.
recovery
found
be
4.6
4.2
min,
respectively.
acetone-sensing
mechanism
attributed
formation
p-n
heterojunctions,
responsible
significantly
enhanced
sensitivity.
