Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 19, 2024
Abstract
Although
the
adoption
of
self‐powered
energy
harvesting
technologies
is
rapidly
increasing,
fabrication
flexible,
easy‐to‐assemble,
highly
sensitive,
and
energy‐efficient
devices
continues
to
pose
a
significant
challenge.
Electrospun
nanofibrous
film‐based
triboelectric
nanogenerators
(TENGs)
show
great
promise
for
mechanical
sensor
applications
due
their
flexibility,
wearability,
lightweight,
high
electrical
output.
Herein,
polydopamine
(PDA)‐treated
silver
(Ag)
nanoparticles
(NPs)‐decorated
titanium
dioxide
(PDA‐Ag/TiO
2
NPs)
innovatively
incorporated
into
an
electrospun
Nylon
66
polymer
construct
PDA‐Ag/TiO
nylon
composite
film
(NCNF)‐based
TENGs
(PAT@NCNF
TENGs).
The
prepared
films
display
dielectric
conductive
properties,
improving
output
performance
TENG.
PAT@NCNF
TENG
systematically
studied
by
varying
filler
material
embedded
in
polymer.
assembled
exhibits
≈370
V,
≈15
µA,
≈5.4
W
m
−2
with
excellent
pressure
sensitivity
≈7.88
V
kPa
−1
.
proposed
used
harvest
various
forms
biomechanical
power
electronic
gadgets.
Finally,
effectively
employed
multifunctional
sensing
systems
monitor
actions,
detect
impact
objects,
facilitate
Morse
code
transmission
human
gait
monitoring
applications.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 5, 2025
Textiles
have
played
a
pivotal
role
in
human
development,
evolving
from
basic
fibers
into
sophisticated,
multifunctional
materials.
Advances
material
science,
nanotechnology,
and
electronics
propelled
next-generation
textiles
beyond
traditional
functionalities,
unlocking
innovative
possibilities
for
diverse
applications.
Thermal
management
incorporate
ultralight,
ultrathin
insulating
layers
adaptive
cooling
technologies,
optimizing
temperature
regulation
dynamic
extreme
environments.
Moisture
utilize
advanced
structures
unidirectional
transport
breathable
membranes,
ensuring
exceptional
comfort
activewear
outdoor
gear.
Protective
exhibit
enhanced
features,
including
antimicrobial,
antiviral,
anti-toxic
gas,
heat-resistant,
radiation-shielding
capabilities,
providing
high-performance
solutions
healthcare,
defense,
hazardous
industries.
Interactive
integrate
sensors
monitoring
physical,
chemical,
electrophysiological
parameters,
enabling
real-time
data
collection
responses
to
various
environmental
user-generated
stimuli.
Energy
leverage
triboelectric,
piezoelectric,
hygroelectric
effects
improve
energy
harvesting
storage
wearable
devices.
Luminous
display
textiles,
electroluminescent
fiber
optic
systems,
enable
visual
applications
fashion
communication.
These
advancements
position
at
the
forefront
of
materials
significantly
expanding
their
potential
across
wide
range
ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 12, 2025
The
polymer-based
triboelectric
nanogenerator
(TENG)
has
long
grappled
with
the
constraint
of
limited
current
density
(CD),
whereas
semiconductor-based
nanogenerators,
using
tribovoltaic
effect,
have
shown
promising
potential
for
achieving
high
density.
This
study
introduces
an
effective
solution─a
direct
ultrahigh
density─founded
on
a
flexible
organic
semiconductor
textile
activated
by
solvents.
By
introducing
95%
ethyl
alcohol,
8.75
A/m2
and
peak
power
1.07
W/m2
are
demonstrated,
marking
striking
enhancement
438-fold
170-fold,
respectively,
in
comparison
to
friction
surface
without
alcohol.
activation
mechanism
is
that
poly(vinyl
alcohol)
dissolution
solvents
exposes
more
PEDOT:PSS,
formation
hydrogen
bonds
PSS–
releases
active
PEDOT+.
advancement
finds
practical
utility,
as
evidenced
successful
demonstrations
involving
cell
phone
charging
small
motor
propulsion.
breakthrough
unveiled
this
work
presents
vistas
widespread
application
textile-based
offering
exciting
opportunities
biomechanical
energy
harvesting.
Materials,
Journal Year:
2025,
Volume and Issue:
18(3), P. 478 - 478
Published: Jan. 21, 2025
In
cell
culture
research
and
biotechnology,
precise
pH
monitoring
is
crucial
for
maintaining
cellular
health
ensuring
reliable
experimental
outcomes.
Traditional
measurement
methods,
such
as
glass
electrodes
chemical
indicators,
are
often
limited
by
issues
fragility,
calibration
requirements,
potential
cytotoxicity.
This
study
presents
a
novel
sensor
based
on
bacteriorhodopsin
(bR),
light-sensitive
protein
that
undergoes
conformational
changes
in
response
to
fluctuations,
generating
measurable
photoelectric
signal.
The
integrated
bR-based
electrochemical
electrode
flexible
biosensor
demonstrated,
with
measurements
spanning
the
physiological
range
of
6.0–8.5.
shows
high
correlation
(R2
=
0.977)
between
photo-generated
current
signals
pH,
indicating
robust
performance
real-time,
non-invasive
monitoring.
biocompatibility
nature
this
make
it
particularly
suitable
continuous
environments.
sensor’s
practical
application
validated
its
integration
into
well
plates
tracking
during
growth,
providing
valuable
insights
metabolic
processes
growth
conditions.
future,
efforts
will
focus
enhancing
sensitivity,
stability,
multi-parameter
systems
more
comprehensive
analysis.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 8, 2025
Abstract
The
incorporation
of
sensing
and
therapeutic
capabilities
into
everyday
textiles
can
be
an
effective
approach
for
the
development
continuous
wearable
sensors.
Textile‐based
triboelectric
sensors
are
ideal
candidates
capturing
tiny
physiological
signals
human
body
to
prevent
chronic
diseases
owing
their
compelling
features
high
sensitivity,
excellent
breathability,
programmable
structure.
In
this
review,
working
mechanisms,
material
selection,
manufacturing
techniques,
structural
designs
textile‐constructed
nanogenerators
comprehensively
presented.
An
in‐depth
analysis
signal
monitoring
applications
ranging
from
cardiovascular
monitoring,
electrocardiogram,
electromyography,
respiratory
sleep
exercise
is
thoughtfully
demonstrated.
Furthermore,
a
closed‐loop
smart
textile
system,
including
active
sensing,
energy
supply,
real‐time
feedback,
data
processing,
healthcare,
proposed
address
major
challenges
bottlenecks
in
technology.
It
expected
that
review
will
provide
audience
with
some
universal
strategies
novel
ideas
conducting
research
on
textile‐based
improved
performance.
Smart Materials and Structures,
Journal Year:
2024,
Volume and Issue:
33(9), P. 095012 - 095012
Published: July 28, 2024
Abstract
Harvesting
energy
from
rotational
motion
is
an
efficient
and
widely
used
technology
that
provides
power
support
for
various
electronic
devices
systems
by
converting
mechanical
kinetic
into
electrical
energy.
This
harvesting
method
shows
great
potential
advantages
in
industrial
automation,
transportation,
wind
generation,
smart
homes.
study
proposes
a
piezoelectric-electromagnetic
hybrid
harvester
(HEH)
driven
magnetic
repulsion.
HEH
comprises
of
two
parts:
piezoelectric
(PEH)
electromagnetic
(EMH).
utilizes
the
drive
reciprocating
to
enhance
collection
efficiency
PEH
EMH.
Additionally,
adding
effect
ends
bimorph
sheets,
spectrum
expanded.
Its
parameters
are
analyzed
using
theoretical
analysis
simulation,
experimental
testbed
established
explore
influence
output
performance.
The
results
indicate
reaches
its
maximum
when
there
2
circular
magnets
on
rotor,
gap
distance
15
mm,
mass
blocks
at
end
sheet.
EMH
outputs
173.36
V
4.81
V,
respectively.
53.45
mW.
density
can
reach
6.818
mW
cm
−3
.
Compared
with
EMH,
performance
improved
46.94%
174.95%,
When
rotation
speed
500
r
min
−1
,
effortlessly
light
up
80
LEDs.
all
demonstrate
low-power
sensors.