Abstract
Amid
the
global
energy
crisis
and
rising
emphasis
on
sustainability,
efficient
harvesting
has
become
a
research
priority.
Nanogenerators
excel
in
converting
abundant
mechanical
thermal
into
electricity,
offering
promising
path
for
sustainable
solutions.
Among
various
nanogenerator's
materials,
Polyvinylidene
fluoride
(PVDF),
with
its
distinctive
molecular
structure,
exhibits
multifunctional
electrical
properties
including
dielectric,
piezoelectric
pyroelectric
characteristics.
These
combined
excellent
flexibility
make
PVDF
prime
candidate
material
nanogenerators.
In
nanogenerators,
this
is
capable
of
efficiently
collecting
energy.
This
paper
discusses
how
PVDF's
are
manifested
three
types
nanogenerators
compares
performance
these
addition,
strategies
to
improve
output
demonstrated,
physical
chemical
modification
as
well
structural
optimization
such
hybrid
structures
external
circuits.
It
also
introduces
application
natural
human
harvesting,
prospects
medical
technologies
smart
home
systems.
The
aim
promote
use
self‐powered
sensing,
monitoring,
thereby
providing
valuable
insights
designing
more
versatile
Advanced Materials,
Год журнала:
2024,
Номер
36(26)
Опубликована: Март 28, 2024
Abstract
Over
the
past
few
decades,
significant
progress
in
piezo‐/triboelectric
nanogenerators
(PTEGs)
has
led
to
development
of
cutting‐edge
wearable
technologies.
Nanofibers
with
good
designability,
controllable
morphologies,
large
specific
areas,
and
unique
physicochemical
properties
provide
a
promising
platform
for
PTEGs
various
advanced
applications.
However,
further
nanofiber‐based
is
limited
by
technical
difficulties,
ranging
from
materials
design
device
integration.
Herein,
current
developments
based
on
electrospun
nanofibers
are
systematically
reviewed.
This
review
begins
mechanisms
advantages
nanodevices,
including
high
breathability,
waterproofness,
scalability,
thermal–moisture
comfort.
In
terms
structural
design,
novel
electroactive
structure
assemblies
1D
micro/nanostructures,
2D
bionic
structures,
3D
multilayered
structures
discussed.
Subsequently,
nanofibrous
applications
such
as
energy
harvesters,
personalized
medicine,
personal
protective
equipment,
human–machine
interactions
summarized.
Nanofiber‐based
still
face
many
challenges
efficiency,
material
durability,
stability,
Finally,
research
gap
between
practical
discussed,
emerging
trends
proposed,
providing
some
ideas
intelligent
wearables.
ACS Nano,
Год журнала:
2024,
Номер
18(13), С. 9365 - 9377
Опубликована: Март 22, 2024
The
emerging
field
of
wearable
electronics
requires
power
sources
that
are
flexible,
lightweight,
high-capacity,
durable,
and
comfortable
for
daily
use,
which
enables
extensive
use
in
electronic
skins,
self-powered
sensing,
physiological
health
monitoring.
In
this
work,
we
developed
the
core–shell
biocompatible
Cs2InCl5(H2O)@PVDF-HFP
nanofibers
(CIC@HFP
NFs)
by
one-step
electrospinning
assisted
self-assembly
method
triboelectric
nanogenerators
(TENGs).
By
adopting
lead-free
Cs2InCl5(H2O)
as
an
inducer,
CIC@HFP
NFs
exhibited
β-phase-enhanced
self-aligned
nanocrystals
within
uniaxial
direction.
interface
interaction
was
further
investigated
experimental
measurements
molecular
dynamics,
revealed
hydrogen
bonds
between
PVDF-HFP
induced
automatically
well-aligned
dipoles
stabilized
β-phase
NFs.
TENG
fabricated
using
nylon-6,6
significant
improvement
output
voltage
(681
V),
current
(53.1
μA)
peak
density
(6.94
W
m–2),
with
highest
reported
performance
among
TENGs
based
on
halide-perovskites.
energy
harvesting
monitoring
were
substantiated
human
motions,
showcasing
its
ability
to
charge
capacitors
effectively
operate
such
commercial
LEDs,
stopwatches,
calculators,
demonstrating
promising
application
biomechanical
sensing.
Abstract
Over
the
past
decades,
tactile
sensing
technology
has
made
significant
advances
in
fields
of
health
monitoring
and
robotics.
Compared
to
conventional
sensors,
self‐powered
sensors
do
not
require
an
external
power
source
drive,
which
makes
entire
system
more
flexible
lightweight.
Therefore,
they
are
excellent
candidates
for
mimicking
perception
functions
wearable
ideal
electronic
skin
(e‐skin)
intelligent
robots.
Herein,
working
principles,
materials,
device
fabrication
strategies
various
platforms
introduced
first.
Then
their
applications
robotics
presented.
Finally,
future
prospects
systems
discussed.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(44)
Опубликована: Июнь 22, 2024
Abstract
Tactile
sensors
have
garnered
considerable
interest
for
their
capacity
to
detect
and
quantify
tactile
information.
The
incorporation
of
microstructural
designs
into
flexible
has
emerged
as
a
potent
strategy
augment
sensitivity
pressure
variations,
thereby
enhancing
linearity,
response
spectrum,
mechanical
robustness.
This
review
underscores
the
imperative
progress
in
microstructured
sensors.
Subsequently,
discourse
transitions
prevalent
materials
employed
fabrication
sensor
electrodes,
encapsulation
layers,
active
sensing
mediums,
elucidating
merits
limitations.
In‐depth
discussions
are
devoted
adorned
with
microstructures,
including
but
not
limited
to,
micropyramids,
microhemispheres,
micropillars,
microporous
configurations,
microcracks,
topological
interconnections,
multilevel
constructs,
random
roughness,
biomimetic
microstructures
inspired
by
flora
fauna,
accompanied
exemplar
studies
from
each
category.
Moreover,
utility
within
realm
intelligent
environments
is
explicated,
highlighting
application
monitoring
physiological
signals,
detection
sliding
motions,
discernment
surface
textures.
culminates
critical
examination
paramount
challenges
predicaments
that
must
be
surmounted
further
development
enhance
functional
performance
sensors,
paving
way
integration
advanced
sensory
systems.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 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
Biosensors,
Год журнала:
2025,
Номер
15(1), С. 37 - 37
Опубликована: Янв. 10, 2025
Self-healing
triboelectric
nanogenerators
(TENGs),
which
incorporate
self-healing
materials
capable
of
recovering
their
structural
and
functional
properties
after
damage,
are
transforming
the
field
artificial
skin
by
effectively
addressing
challenges
associated
with
mechanical
damage
degradation.
This
review
explores
latest
advancements
in
TENGs,
emphasizing
material
innovations,
designs,
practical
applications.
Key
include
dynamic
covalent
polymers,
supramolecular
elastomers,
ion-conductive
hydrogels,
provide
rapid
recovery,
superior
strength,
stable
electrical
performance.
Innovative
configurations,
such
as
layered
encapsulated
optimize
efficiency
enhance
environmental
adaptability.
Applications
span
healthcare,
human-machine
interfaces,
wearable
electronics,
demonstrating
immense
potential
for
tactile
sensing
energy
harvesting.
Despite
significant
progress,
remain
scalability,
long-term
durability,
multifunctional
integration.
Future
research
should
focus
on
advanced
development,
scalable
fabrication,
intelligent
system
integration
to
unlock
full
TENGs.
provides
a
comprehensive
overview
current
achievements
future
directions,
underscoring
pivotal
role
TENGs
technology.
Nano-Micro Letters,
Год журнала:
2024,
Номер
16(1)
Опубликована: Март 21, 2024
Abstract
Thermoregulatory
textiles,
leveraging
high-emissivity
structural
materials,
have
arisen
as
a
promising
candidate
for
personal
cooling
management;
however,
their
advancement
has
been
hindered
by
the
underperformed
water
moisture
transportation
capacity,
which
impacts
on
thermophysiological
comfort.
Herein,
we
designed
wettability-gradient-induced-diode
(WGID)
membrane
achieving
MXene-engineered
electrospun
technology,
could
facilitate
heat
dissipation
and
moisture-wicking
transportation.
As
result,
obtained
WGID
obtain
temperature
of
1.5
°C
in
“dry”
state,
7.1
“wet”
was
ascribed
to
its
high
emissivity
96.40%
MIR
range,
superior
thermal
conductivity
0.3349
W
m
−1
K
(based
radiation-
conduction-controlled
mechanisms),
unidirectional
property.
The
proposed
design
offers
an
approach
meticulously
engineering
membranes
with
enhanced
transportation,
thereby
paving
way
developing
more
efficient
comfortable
thermoregulatory
textiles
high-humidity
microenvironment.
