ACS Omega,
Journal Year:
2024,
Volume and Issue:
9(48), P. 47506 - 47518
Published: Nov. 20, 2024
We
investigate
a
method
for
fabricating
layers
that
exhibit
both
high
optical
absorption
and
promising
thermoelectric
properties.
Using
plasma-enhanced
chemical
vapor
deposition
(PECVD),
amorphous
Si
Si72Ge28
are
deposited
on
glass
substrates
subsequently
processed
via
laser
annealing
to
achieve
nanostructured
layers.
Our
results
show
single
pulse
at
40
mJ
yields
the
highest
power
factor,
approximately
90
μW/m·K2.
Additionally,
we
observe
maximum
absorbance
enhancement
factor
of
60
times
in
spectral
region
near
880
nm
samples
treated
with
compared
untreated
samples.
The
effects
energy,
number
pulses,
material
choice
further
discussed.
C – Journal of Carbon Research,
Journal Year:
2025,
Volume and Issue:
11(1), P. 3 - 3
Published: Jan. 1, 2025
Graphene-based
piezoelectric
nanogenerators
(PENGs)
have
emerged
as
a
promising
technology
for
sustainable
energy
harvesting,
offering
significant
potential
in
powering
next-generation
electronic
devices.
This
review
explores
the
integration
of
graphene,
highly
conductive
and
mechanically
robust
two-dimensional
(2D)
material,
with
PENG
to
enhance
their
conversion
efficiency.
Graphene’s
unique
properties,
including
its
exceptional
electron
mobility,
high
mechanical
strength,
flexibility,
allow
development
superior
performance
compared
conventional
PENGs.
When
combined
materials,
polymers,
graphene
serves
both
an
active
layer
charge
transport
medium,
boosting
response
output
power.
The
graphene-based
PENGs
can
harvest
from
various
sources,
vibrations,
human
motion,
ambient
environmental
forces,
making
them
ideal
applications
wearable
electronics,
low-power
paper
provides
overview
fabrication
techniques,
material
mechanisms
PENGs,
into
real-world
applications.
findings
demonstrate
that
incorporation
enhances
PENG,
paving
way
future
innovations
energy-harvesting
technologies.
Journal of Biomedical Materials Research Part B Applied Biomaterials,
Journal Year:
2025,
Volume and Issue:
113(4)
Published: March 17, 2025
ABSTRACT
To
examine
natural
bone's
bioelectrical
traits,
notably
its
piezoelectricity,
and
to
look
into
how
these
characteristics
influence
bone
growth
repair.
In
the
context
of
exploring
potential
piezoelectric
biomaterials,
such
as
biopolymers
bio‐ceramics,
towards
orthopedic
regeneration
applications,
research
seeks
evaluate
significance
piezoelectricity‐driven
osteogenesis.
The
paper
reviews
recent
on
electrical
dielectric
properties,
surface
polarization/electrical
stimulation
effects
interacting
with
cell
activity
effectiveness
biomaterials
support
tissues'
regenerative
process.
study
includes
a
number
materials,
collagen,
polyvinylidene
fluoride
(PVDF)
barium
titanate.
applications
organic
polymers,
polymers
are
particularly
highlighted.
Piezoelectric
being
shown
in
studies
enhance
cellular
metabolism
vitro
well
promote
tissues
vivo,
especially
when
paired
electric
field
or
interface
polarization.
bio‐ceramics
like
magnesium
silicate
titanate,
collagen
PVDF,
have
possibilities
for
applications.
However,
there
several
challenges
regarding
manufacturing
specific
compositions
having
desired
properties.
This
review
highlighted
special
emphasis
bioceramics.
Therefore,
types
materials
huge
because
they
can
mimic
properties
allow
better
advances
tissue
engineering
medicine.
date,
little
is
known
about
their
mechanism
action,
modifications
needed
improve
efficacy
clinical
uptake.
