Advanced Functional Materials,
Год журнала:
2023,
Номер
33(34)
Опубликована: Май 11, 2023
Abstract
Human‐machine
interfaces
(HMIs)
are
essential
for
effective
communication
between
machines
and
tissues.
However,
mechanical
biological
mismatches,
along
with
weak
adhesion
rigid
electronic
devices
soft
tissue,
often
cause
unreliable
responses
affect
the
signal
recording
of
HMIs.
In
this
study,
an
asymmetrical
“Janus”
biogel
patch
one
side
firmly
adhering
to
tissues,
other
surface
having
little
minimal
interactions
surrounding
environments
has
been
developed.
A
series
analytical,
mechanical,
electrical
tests
performed
investigate
as
a
functional
biocompatible
HMI.
It
is
found
that
gallic
acid‐modified
gelatin
adhesive
on
exhibits
body
temperature‐dependent
tissue
adhesion,
enabling
low
modulus
seamless
skin
contact.
The
tough
gelatin/glycerol
gel
layer,
which
thermally
welded
into
layer
functions
encapsulant
prevent
external
interference
due
adhesion.
encapsulation
also
friction
coefficient
when
wet
proves
be
reliable
alternative
barrier
conventional
materials.
scientific
insights
engineering
principles
revealed
in
type
will
applicable
broad
range
biomedical
applications,
such
epidermal
electrodes
or
skin‐adhesive
wearable
devices.
Advanced Functional Materials,
Год журнала:
2022,
Номер
32(49)
Опубликована: Сен. 30, 2022
Abstract
Human‐machine
interfaces
(HMIs)
play
important
role
in
the
communication
between
humans
and
robots.
Touchless
HMIs
with
high
hand
dexterity
hygiene
hold
great
promise
medical
applications,
especially
during
pandemic
of
coronavirus
disease
2019
(COVID‐19)
to
reduce
spread
virus.
However,
current
touchless
are
mainly
restricted
by
limited
types
gesture
recognition,
requirement
wearing
accessories,
complex
sensing
platforms,
light
conditions,
low
recognition
accuracy,
obstructing
their
practical
applications.
Here,
an
intelligent
noncontact
gesture‐recognition
system
is
presented
through
integration
a
triboelectric
sensor
(TTS)
deep
learning
technology.
Combined
deep‐learning‐based
multilayer
perceptron
neural
network,
TTS
can
recognize
16
different
gestures
average
accuracy
96.5%.
The
further
applied
control
robot
for
collecting
throat
swabs
mode.
Compared
present
HMIs,
proposed
diverse
utilizing
charges
naturally
carried
on
human
fingers
without
need
complicated
device
structures,
adequate
achieves
accuracy.
This
could
provide
exciting
opportunities
develop
new
generation
equipment,
as
well
public
facilities,
smart
robots,
virtual
reality,
metaverse,
etc.
Advanced Functional Materials,
Год журнала:
2023,
Номер
33(18)
Опубликована: Фев. 25, 2023
Abstract
Wearable
strain
sensors
with
the
ability
of
detecting
physiological
activities
play
an
important
role
in
personalized
healthcare.
Electrospun
fibers
have
become
a
popular
building
block
for
wearable
due
to
their
excellent
mechanical
properties,
breathability,
and
light
weight.
In
this
review,
structure
preparation
process
electrospun
conductive
layer
are
systematically
introduced.
The
impact
materials
structures
on
following
discussion
sensing
performance
optimization
strategies
is
outlined.
Furthermore,
applications
fiber‐based
biomonitoring,
motion
detection,
human‐machine
interaction
presented.
Finally,
challenges
promising
future
directions
community
based
pointed
out.
Abstract
Merging
electronics
with
textiles
has
become
an
emerging
trend
since
hold
magnificent
wearing
comfort
and
user-friendliness
compared
conventional
wearable
bioelectronics.
Smart
can
be
effectively
integrated
into
our
daily
to
convert
on-body
biomechanical,
biochemical,
body
heat
energy
electrical
signals
for
long-term,
real-time
monitoring
of
physiological
states,
showing
compelling
medical
economic
benefits.
This
review
summarizes
the
current
progress
in
self-powered
biomonitoring
along
three
pathways:
heat,
biochemical
conversion.
Finally,
it
also
presents
promising
directions
challenges
field,
as
well
insights
future
development.
aims
highlight
frontiers
smart
biomonitoring,
which
could
contribute
revolutionizing
traditional
healthcare
a
personalized
model.
Graphical
Self-powered
via
conversion
are
discussed
this
work.
Platform
technologies,
including
piezoelectric
nanogenerators
(PENGs),
triboelectric
(TENGs),
magnetoelastic
generators
(MEGs)
biomechanical
conversion,
thermoelectric
(TEGs)
boy
biofuel
cells
(BFCs)
systematically
introduced
textile
form.
Working
manner
greatly
improved
comfort,
pave
road
healthcare.
ACS Nano,
Год журнала:
2023,
Номер
17(16), С. 16036 - 16047
Опубликована: Авг. 14, 2023
Although
skin-like
sensors
that
can
simultaneously
detect
various
physical
stimuli
are
of
fair
importance
in
cutting-edge
human-machine
interaction,
robotic,
and
healthcare
applications,
they
still
face
challenges
facile,
scalable,
cost-effective
production
using
conventional
active
materials.
The
emerging
two-dimensional
transition
metal
carbide,
Ti3C2Tx
MXene,
integrated
with
favorable
thermoelectric
properties,
metallic-like
conductivity,
a
hydrophilic
surface,
is
promising
for
solving
these
problems.
Herein,
multifunctional
designed
to
precisely
distinguish
temperature
pressure
without
cross-talk
by
decorating
elastic
porous
substrates
MXene
sheets.
Because
the
combination
conductive
thermally
insulating,
elastic,
substrate
integrates
efficient
Seebeck
piezoresistive
effects,
resultant
sensor
exhibits
not
only
an
ultralow
detection
limit
(0.05
K),
high
signal-to-noise
ratio,
excellent
cycling
stability
but
also
sensitivity,
fast
response
time,
outstanding
durability
detection.
Based
on
impressive
dual-mode
sensing
properties
independent
detections,
multimode
input
terminal
electronic
skin
created,
exhibiting
great
potential
robotic
interaction
applications.
This
work
provides
scalable
fabrication
tactile
detecting
distinguishing
stimuli.
Advanced Materials,
Год журнала:
2024,
Номер
36(52)
Опубликована: Март 22, 2024
Abstract
Triboelectric
nanogenerator
(TENG)
manifests
distinct
advantages
such
as
multiple
structural
selectivity,
diverse
selection
of
materials,
environmental
adaptability,
low
cost,
and
remarkable
conversion
efficiency,
which
becomes
a
promising
technology
for
micro‐nano
energy
harvesting
self‐powered
sensing.
Tribo‐dielectric
materials
are
the
fundamental
core
components
high‐performance
TENGs.
In
particular,
charge
generation,
dissipation,
storage,
migration
dielectrics,
dynamic
equilibrium
behaviors
determine
overall
performance.
Herein,
comprehensive
summary
is
presented
to
elucidate
dielectric
transport
mechanism
tribo‐dielectric
material
modification
principle
toward
The
contact
electrification
started
first,
followed
by
introducing
basic
Subsequently,
mechanisms
strategies
highlighted
regarding
physical/chemical,
surface/bulk,
coupling,
structure
optimization.
Furthermore,
representative
applications
based
TENGs
power
sources,
sensors
demonstrated.
existing
challenges
potential
opportunities
advanced
outlined,
guiding
design,
fabrication,
materials.
