Research on Engineering Structures and Materials,
Journal Year:
2023,
Volume and Issue:
unknown
Published: Jan. 1, 2023
In
this
work,
uniform
and
highly
aligned
ZnO
nanorod
arrays
were
simply
synthesized
on
zinc
plates
by
hydrothermal
method
using
zinc–ammonia
complex
solution.
Effects
of
seed
layer
formation,
Zn(NO3)2
concentration
NH3/Zn(NO3)2
mole
ratio
(R)
in
the
reaction
medium
morphology
crystal
structure
nanorods
investigated
detail.
grown
surfaces
crystalline
had
a
hexagonal
wurtzite
structure,
as
revealed
XRD
analysis.
addition,
dominant
growth
direction
was
c-axis,
indicating
verticality
nanorods.
SEM
images
showed
that
one-dimensional
(1D)
with
high
number
density
seeded
whereas
randomly
oriented
non-seeded
surfaces.
Increase
Zn2+
changed
top
ends
rods
from
tapering
to
ends;
also
led
an
increase
average
size
The
R
value
(or
i.e.,
amount
NH3)
caused
misalign
surface
decrease
size.
well-aligned
can
be
adjusted
50
260
nm
diameter
0.11
6
m
length
changing
parameters,
implying
their
large
potential
used
photocatalytic
electronic
applications.
Applied Physics Letters,
Journal Year:
2025,
Volume and Issue:
126(8)
Published: Feb. 1, 2025
Piezoelectric
semiconductors
have
emerged
as
a
prominent
area
of
research
in
recent
years
due
to
their
unique
combination
piezoelectric
and
semiconductor
properties.
In
this
Letter,
we
propose
device
structure
featuring
coplanar
electrodes
positioned
above
the
layer.
We
conducted
detailed
theoretical
analysis
properties
device.
By
utilizing
electrode
mode,
pressure
applied
one
generates
potential
difference
between
two
electrodes.
Notably,
performance
can
be
adjusted
by
modifying
its
structure.
Numerical
simulations
experimental
results
indicate
that
reaches
an
optimal
value
when
distance
is
equal
one-half
length.
Additionally,
developed
method
enhance
voltage
output
capability
under
low
load
resistance
conditions.
Specifically,
introducing
charge
carriers
into
layer
from
doped
silicon
substrate,
device's
reduced
Schottky
contact.
The
operating
mode
proposed
paper
facilitates
energy
harvesting
self-powered
sensing,
distinguishing
it
d31
d33
operational
modes
associated
with
traditional
sandwich
structures,
thereby
allowing
for
more
versatile
configurations.
Micromachines,
Journal Year:
2025,
Volume and Issue:
16(4), P. 394 - 394
Published: March 28, 2025
Electronic
skin
(E-skin)
refers
to
a
portable
medical
or
health
electronic
device
that
can
be
worn
directly
on
the
human
body
and
carry
out
perception,
recording,
analysis,
regulation,
intervention
even
treatment
of
diseases
maintenance
status
through
software
support.
Its
main
features
include
wearability,
real-time
monitoring,
convenience,
etc.
E-skin
is
convenient
for
users
wear
long
time
continuously
monitors
user’s
physiological
data
(such
as
heart
rate,
blood
pressure,
glucose,
etc.)
in
real
time.
Health
monitoring
performed
anytime
anywhere
without
frequent
visits
hospitals
clinics.
integrates
multiple
sensors
intelligent
algorithms
automatically
analyze
provide
advice
early
warning.
It
has
broad
application
prospects
field.
With
increasing
demand
E-skin,
development
multifunctional
integrated
with
low
power
consumption
autonomous
energy
become
common
goal
many
researchers.
This
paper
outlines
latest
progress
disease
treatment,
human–computer
interaction
other
fields.
The
existing
problems
this
field
are
presented.
Biotechnology and Applied Biochemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 19, 2025
ABSTRACT
This
study
was
designed
to
improve
the
sensitivity,
specificity,
and
selectivity
of
electrochemical
method
detecting
Parkinson's
disease
by
identifying
alpha‐synuclein
as
a
biomarker
using
gold
interdigitated
electrodes
(AuIDEs
with
without
surface
modified
zinc
oxide
(ZnO).
AuIDE
were
characterized
scanning
electron
microscope,
3D
profilometers,
high‐power
microscope.
Current–voltage
measurements
performed
for
antigen–antibody
interaction
targeted
detection
Keithley
6482
Picoammeter.
The
linear
range
from
1
fM
pM.
limit
detections
calculated
signal‐to‐noise
ratio
(S/N)
=
3
formula.
Linear
regression
analysis
R
2
0.9779.
0.9809.
Regression
thus
yielded
better
result
in
AuIDE.
For
determination
selectivity,
tau
tested
on
surface‐modified
Tau
used
control
variable.
However,
only
produced
significant
current
change,
while
protein
no
changes.
Hence,
inclusion
ZnO
layer
improved
sensor's
performance
sensor
reproducible
stable
after
repeated
testing.
