Damping Supramolecular Elastomer for Steady Hypothermic Sensing
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 24, 2025
Abstract
Flexible
temperature
sensors
often
use
gels
to
achieve
skin‐inspired
softness,
but
the
water
evaporation
and
freezing
of
hydrogel
leakage
ionogel,
cause
unstable
signal
transmission
inaccurate
measurement
at
sub‐zero
temperatures.
Here
steady
hypothermic
sensing
is
achieved
by
designing
a
supramolecular
elastomer
containing
two
types
segments:
liquid‐free
iontronic
segment
transmit
electrical
charges
prevent
ion
leakage,
neutral
with
pendant
chains
damp
vibration
for
stable
transmission.
The
exhibits
excellent
tensile
properties,
adhesiveness,
self‐healing,
ionic
conductivity
A
wireless
system
fabricated
based
on
supermolecule
elastomer,
realizing
accurate,
steady,
sensitive
real‐time
detection.
Especially,
sensor
coefficient
resistance
(TCR)
8.87%
°C
−1
from
−20
−15
°C,
three
five
times
higher
than
that
most
flexible
sensors.
There
no
significant
difference
in
detected
this
an
infrared
thermal
imaging
camera.
Such
represents
step
toward
highly
accurate
cold
chain
transportation
beyond.
Язык: Английский
Graded Nanotexturing Architectural Wearable Triboelectric Sensor for Programmable Haptic Exploration
Nano Letters,
Год журнала:
2024,
Номер
24(43), С. 13542 - 13550
Опубликована: Окт. 16, 2024
Emulating
biological
perception
mechanisms
to
construct
intelligent
sensing
devices
and
systems
represents
a
paradigm
for
promoting
human–computer
interaction
in
the
Internet
of
Everything
era.
Nonetheless,
developing
highly
sensitive,
real-time
rapidly
integrated
units
remains
challenging
time-consuming
endeavor.
This
study
employs
low-temperature
glow
discharge
technique
fabricate
graded
nanotexturing
architectural
triboelectric
nanopaper,
upon
which
wearable
sensors
tactile
detection
are
designed.
The
structure
enhances
contact
area
under
an
external
force.
Additionally,
Z-stacking
design
enables
sensor
achieve
remarkable
sensitivity
10.3
kPa–1
rapid
response
time
52
ms.
Furthermore,
array
was
designed
demonstrate
sensor's
ability
recognize
characteristic
pressures.
With
programmable
machine
learning
techniques,
object
recognition
rate
reached
97%.
supports
material
structural
across
disciplines,
laying
solid
foundation
fabrication
integration
transient
electronics.
Язык: Английский
Flexible Vibration Sensors with Omnidirectional Sensing Enabled by Femtosecond Laser-Assisted Fabrication
Polymers,
Год журнала:
2025,
Номер
17(2), С. 211 - 211
Опубликована: Янв. 16, 2025
Vibration
sensors
are
integral
to
a
multitude
of
engineering
applications,
yet
the
development
low-cost,
easily
assembled
devices
remains
formidable
challenge.
This
study
presents
highly
sensitive
flexible
vibration
sensor,
based
on
piezoresistive
effect,
tailored
for
detection
high-dynamic-range
vibrations
and
accelerations.
The
sensor’s
design
incorporates
polylactic
acid
(PLA)
housing
with
cavities
spherical
recesses,
polydimethylsiloxane
(PDMS)
membrane,
electrodes
that
positioned
above.
Employing
femtosecond
laser
ablation
template
transfer
techniques,
parallel
groove
array
is
created
within
polymer
sensing
layer.
includes
conductive
pathways,
integrates
stainless-steel
balls
as
oscillators
further
amplify
sensitivity.
performance
evaluated
over
frequency
range
50
Hz
400
from
1
g
5
accelerations,
exhibiting
linear
correlation
coefficient
0.92
between
voltage
output
acceleration.
It
demonstrates
stable
accurate
responses
signals
such
drills
mobile
phone
ringtones,
well
robust
responsiveness
omnidirectional
long-distance
vibrations.
simplicity
in
microstructure
fabrication,
ease
assembly,
low
cost
render
it
promising
applications
machinery
rotating
or
vibrating
components.
Язык: Английский
Amino-functionalized nanocellulose derived flexible elastomer for cryptographic information transmission and triboelectric nanogenerators
Industrial Crops and Products,
Год журнала:
2025,
Номер
227, С. 120855 - 120855
Опубликована: Март 15, 2025
Язык: Английский
All-Gel-Based Triboelectric Noncontact Sensor for Human Motion Perception
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 1, 2025
Flexible
noncontact
sensors
are
of
great
significance
in
contemporary
applications.
Nevertheless,
conventional
that
rely
on
metal
electrodes
have
limited
flexibility,
and
their
multilayer
architectures
likely
to
experience
interfacial
delamination
during
extended
use.
To
tackle
these
problems,
we
introduce
an
all-gel-based
flexible
triboelectric
sensor,
which
consists
two
parts,
i.e.,
the
gelatin/poly(vinyl
alcohol)
(PVA)/poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)
(PEDOT:PSS)/graphene
(G)
electrode
hydrogel
PVA/cellulose/carbon
nanotubes
(CNT)
aerogel.
The
not
only
features
outstanding
biocompatibility
but
also
exhibits
high
conductivity.
aerogel
demonstrates
excellent
mechanical
properties,
such
as
good
elasticity
durability.
This
sensor
can
stably
output
a
current
1.18
μA,
charge
18.4
nC/cm2,
voltage
3.7
V
at
stable
state.
It
accurately
reliably
detect
wide
range
human
motions,
elbow
bending,
knee
movement,
running,
providing
reliable
approach
for
motion
perception
facilitating
progress
relevant
fields.
Язык: Английский
Auxetic metastructure-assisted yarn based Self-powered e-textiles for efficient energy harvesting and motion monitoring via contact-sliding-expansion strategy
Nano Energy,
Год журнала:
2025,
Номер
unknown, С. 111058 - 111058
Опубликована: Апрель 1, 2025
Язык: Английский
A Self‐powered Tennis Training System Based on Micro‐Nano Structured Sensing Yarn Arrays
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 9, 2024
Abstract
Wearable
sensing
devices
can
reliably
track
players'
mobility,
revolutionizing
sports
training.
However,
current
electronics
face
challenges
due
to
their
complex
structures,
battery
dependence,
and
unreliable
signals.
Here,
a
tennis
training
system
is
demonstrated
using
machine
learning
based
on
elastic
self‐powered
yarns.
By
employing
simple
effective
strategy,
piezoelectric
nanofibers
triboelectric
materials
are
integrated
into
single
yarn,
enabling
the
simultaneous
translation
of
both
Additionally,
these
yarns
exhibit
outstanding
processability,
allowing
them
be
machine‐knitted
fabrics.
Due
great
sensitivity,
fabrics
may
detect
human
movement
with
precision.
Machine
algorithms
classify
interpret
signals
recognize
various
motions.
The
developed
aims
maximize
its
benefits
provide
comprehensive
for
players
coaches.
This
work
enhances
applicability
systems
in
smart
monitoring
training,
advancing
field
intelligent
Язык: Английский
Multiscale Structural Strong yet Tough Triboelectric Materials Enabled by In Situ Microphase Separation
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 23, 2024
Abstract
Lightweight
green
polymer
materials
with
exceptional
toughness,
high
strength,
and
excellent
ductility
represent
ideal
candidates
for
enabling
next‐generation
sustainable
flexible
electronics.
However,
the
conflicting
properties
of
material
strength
toughness
present
a
significant
challenge
in
achieving
an
optimal
combination
both
attributes.
In
this
study,
strong
yet
tough
polymeric
triboelectric
is
prepared
by
constructing
multiscale
reinforced
network
based
on
nonsolvent‐induced
microphase
separation
strategy.
The
synergistic
enhancement
achieved
reinforcing
non‐covalent
interactions
within
nanofibrous
networks.
resulting
exhibited
remarkable
fracture
(78.6
MJ
m
−3
),
tensile
(42.5
MPa),
improvement
output
(71%),
promising
recyclability.
integrated
wearable
sensor
maintained
robust
signals.
This
study
provides
novel
solution
coordinating
conflicts
between
heterogeneous
materials,
showing
potential
expanding
their
applications
electronics
self‐powered
sensing
technologies.
Язык: Английский
Elastic Yet Strength Triboelectric Aerogel Enabled by Constructing a Supramolecular System
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 15, 2024
Abstract
Elastic
aerogels
are
ultra‐lightweight,
highly
porous
materials
widely
used
in
fields
such
as
sensing,
aerospace,
and
thermal
insulation.
However,
constrained
by
weak
mechanical
properties
under
deformation,
the
strength
elasticity
of
mutually
exclusive
difficult
to
reconcile.
In
this
study,
a
triboelectric
aerogel
with
centripetal
structure
is
constructed
using
supramolecular
system
combination
ice‐templating,
resulting
outstanding
(specific
186.67
kN
m
kg
−1
)
rapid
recovery
speed
(792
mm
s
).
The
key
reconciling
lies
multiscale
structural
synergy,
mitigating
local
stress
through
controlled
inelastic
deformation
balance
resistance
deformation.
A
portable
sensor
developed
based
on
material,
offering
motion
protection
posture
monitoring.
This
study
addresses
challenge
aerogels,
providing
new
insights
for
designing
elastic
smart
materials.
Язык: Английский
Interfacial‐Aligned and High Conductive 1T‐MoS2@Ti3C2Tx Heterostructure Nonwoven Fabric for Robust Deformable Supercapacitors
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 12, 2024
Abstract
With
the
urgent
demand
for
wearable
electronics
and
smart
textiles
in
modern
society,
fabric‐based
supercapacitors
(FSCs)
have
attracted
increasing
attention
due
to
their
easy
integration,
high
power
density,
long‐term
stability.
However,
low
energy
density
deformable
capability
of
supply
cause
limitations
actual
applications.
Here,
a
1T‐MoS
2
@Ti
3
C
T
x
heterostructure
nonwoven
fabric
(NWF)
with
interfacial
adhesion,
electrical
conductivity,
mechanical
deformability
is
developed,
which
great
significance
unitization
as
an
advanced
FSCs
electrode.
Owing
designed
aligned
active
interface,
conductive
network,
situ
coupling,
NWF
exhibits
ion
adsorption
barrier,
fast
diffusion
kinetics,
accelerated
electron
transport,
resulting
large
capacitance
(425
F
g
−1
)
cycling
stability
(20
000
cycles)
1
m
H
SO
4
electrolyte.
Additionally,
corresponding
solid‐state
asymmetric
(D‐SCs)
provide
119.3
µWh
cm
−2
at
800.8
µW
,
realizing
practical
applications
powering
electroluminescent
device,
2‐D
code,
sound‐controlled
electronic
fan.
More
importantly,
D‐SCs
exhibit
robust
power‐supply
capability,
maintaining
82.1%,
84.6%,
89.9%
capacity
retentions
after
2000
cycles
folding,
twisting,
bending
conditions,
respectively.
Язык: Английский