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.
Nano-Micro Letters,
Год журнала:
2024,
Номер
16(1)
Опубликована: Май 31, 2024
Abstract
The
rapid
development
of
the
Internet
Things
and
artificial
intelligence
technologies
has
increased
need
for
wearable,
portable,
self-powered
flexible
sensing
devices.
Triboelectric
nanogenerators
(TENGs)
based
on
gel
materials
(with
excellent
conductivity,
mechanical
tunability,
environmental
adaptability,
biocompatibility)
are
considered
an
advanced
approach
developing
a
new
generation
sensors.
This
review
comprehensively
summarizes
recent
advances
in
gel-based
TENGs
sensors,
covering
their
principles,
properties,
applications.
Based
requirements
working
mechanism
characteristic
advantages
gels
introduced.
Design
strategies
performance
optimization
hydrogel-,
organogel-,
aerogel-based
systematically
summarized.
In
addition,
applications
human
motion
sensing,
tactile
health
monitoring,
human–machine
interaction,
other
related
fields
Finally,
challenges
discussed,
feasible
proposed
to
guide
future
research.
Nano Letters,
Год журнала:
2024,
Номер
24(23), С. 7125 - 7133
Опубликована: Май 29, 2024
Wearable
sensors
are
experiencing
vibrant
growth
in
the
fields
of
health
monitoring
systems
and
human
motion
detection,
with
comfort
becoming
a
significant
research
direction
for
wearable
sensing
devices.
However,
weak
moisture-wicking
capability
sensor
materials
leads
to
liquid
retention,
severely
restricting
sensors.
This
study
employs
pattern-guided
alignment
strategy
construct
microhill
arrays,
endowing
triboelectric
directional
capability.
Within
2.25
s,
can
quickly
directionally
remove
droplets,
driven
by
Laplace
pressure
differences
wettability
gradient.
The
exhibit
excellent
performance,
enabling
rapid
response/recovery
(29.1/37.0
ms),
thereby
achieving
real-time
online
respiration
movement
states.
work
addresses
long-standing
challenge
insufficient
driving
force
flexible
electronic
materials,
holding
implications
enhancing
application
potential
skin
Chemical Society Reviews,
Год журнала:
2024,
Номер
53(18), С. 9306 - 9343
Опубликована: Янв. 1, 2024
Cellulose,
as
the
most
abundant
natural
polymer
on
Earth,
has
long
captured
researchers'
attention
due
to
its
high
strength
and
modulus.
Nevertheless,
transferring
exceptional
mechanical
properties
macroscopic
2D
3D
materials
poses
numerous
challenges.
This
review
provides
an
overview
of
research
progress
in
development
strong
cellulose-based
using
both
"bottom-up"
"top-down"
approaches.
In
strategy,
various
forms
regenerated
nanocellulose-based
high-strength
assembled
by
different
methods
are
discussed.
Under
approach,
focus
is
reinforced
derived
from
wood,
bamboo,
rattan
straw.
Furthermore,
a
brief
potential
applications
fordifferent
types
given,
followed
concise
discussion
future
directions.
Nano Letters,
Год журнала:
2024,
Номер
24(25), С. 7809 - 7818
Опубликована: Июнь 14, 2024
Noncontact
sensing
technology
serves
as
a
pivotal
medium
for
seamless
data
acquisition
and
intelligent
perception
in
the
era
of
Internet
Things
(IoT),
bringing
innovative
interactive
experiences
to
wearable
human–machine
interaction
networks.
However,
pervasive
limitations
current
noncontact
devices
posed
by
harsh
environmental
conditions
hinder
precision
stability
signals.
In
this
study,
triboelectric
nanopaper
prepared
phase-directed
assembly
strategy
is
presented,
which
possesses
low
charge
transfer
mobility
(1618
cm2
V–1
s–1)
exceptional
high-temperature
stability.
Wearable
self-powered
sensors
constructed
from
operate
stably
under
high
temperatures
(200
°C).
Furthermore,
temperature
warning
system
workers
hazardous
environments
demonstrated,
capable
nonintrusively
identifying
harmful
thermal
stimuli
detecting
motion
status.
This
research
not
only
establishes
technological
foundation
accurate
stable
but
also
promotes
sustainable
development
IoT
extreme
environments.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(34)
Опубликована: Апрель 13, 2024
Abstract
Non‐contact
intelligent
sensing
technology
is
a
key
player
in
the
data
acquisition
and
environmental
monitoring
framework
of
Internet
Everything,
laying
groundwork
for
realization
highly
integrated
network
systems.
However,
factors
continue
to
be
major
challenge
process
real‐time
feedback
objects,
constraining
stability
accuracy
signals.
In
this
study,
hierarchical
spatial
assembly
strategy
implemented
effectively
integrate
an
intermediate
energy
storage
layer
with
superhydrophobic
surfaces
(CA
=
162
±
2.5°),
resulting
development
moisture‐resistant
triboelectric
structural
materials
stable
tracking
capabilities.
The
self‐powered
sensor
constructed
from
material
operates
extreme
humidity
conditions
(99%
RH)
full‐scale
output
retention
rate
95.2%,
capable
accurately
human
activity
distance
3
m.
Importantly,
can
also
detect
vehicle
states
during
operation
perform
vehicle's
surrounding
environment.
This
study
not
only
overcomes
long‐standing
challenges
high
sensors
but
advances
sustainable,
interconnected
systems
Everything
conditions.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 21, 2024
Abstract
Self‐healing
materials
that
integrate
excellent
mechanical
properties
and
high
healing
efficiency
meet
the
requirements
of
flexible
electronic
sensors
for
flexibility
reliability.
In
field
wearable
devices,
they
are
great
significance
improving
stability
equipment
reducing
frequency
replacement.
However,
strength
often
limits
their
self‐healing
ability.
When
damage
occurs,
it
will
hinder
microstructural
adjustment
fluidity
material
at
damaged
site,
thus
negatively
affecting
activation
execution
mechanism.
this
study,
a
strength‐toughness
room‐temperature
triboelectric
is
prepared
by
dynamic
nanoconfinement
effect
quenching
ethanol
(referred
to
as
DNCQ
strategy).
The
improves
aggregation
nanocluster
phase,
constructed
nanoconfined
network
skillfully
balances
contradiction
between
obtained
has
tensile
(27.1
MPa),
toughness
(97.9
MJ
m
−3
),
(88.6%).
self‐powered
pressure
distribution
sensing
array
based
on
can
accurately
reflect
object,
which
potential
application
prospects
in
devices.
ACS Applied Electronic Materials,
Год журнала:
2024,
Номер
7(1), С. 1 - 12
Опубликована: Дек. 23, 2024
The
liquid–liquid
triboelectric
nanogenerator
(L-L
TENG)
is
an
emerging
nanogeneration
technology
that
converts
weak
mechanical
energy,
tidal
and
other
forms
of
energy
into
electricity
through
the
frictional
interactions
between
liquids.
This
paper
reviews
research
progress
L-L
TENG.
First,
it
provides
overview
working
principles
TENG,
analyzes
its
basic
mechanisms,
summarizes
fundamental
operation
modes
while
organizing
materials
currently
used
for
charge
transfer.
Additionally,
this
outlines
applications
TENG
in
harvesting,
medicine,
fields,
offering
insights
performance
enhancement
expansion
application
scenarios.
Finally,
discusses
challenges
facing
development
as
well
future
direction
potential
applications.
Overall,
conversion
technology,
has
attracted
widespread
interest
from
scientists
worldwide.
review
aims
to
provide
scientists,
engineers,
researchers
related
fields
with
a
comprehensive
perspective
further
advance
area
research.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 30, 2024
Abstract
Drawing
inspiration
from
nature
has
served
as
a
crucial
driving
force
behind
human
progress,
enabling
groundbreaking
advancements
and
cross‐disciplinary
integration
through
the
emulation
of
biological
superhydrophobic
phenomena.
Bioinspired
triboelectric
materials
stand
out
among
advanced
due
to
their
unique
hydrophobic
properties,
exceptional
moisture
resistance,
remarkable
electrical
performance.
However,
inherent
complexity
natural
phenomena
need
for
refinement
in
bioinspired
design
pose
significant
challenges
development
materials.
This
comprehensive
review
delves
into
perspectives
theoretical
underpinnings,
fabrication
strategies,
cutting‐edge
applications.
Rooted
interaction
mechanisms
between
water
molecules
materials,
importance
enhanced
properties
is
elucidated.
A
systematic
overview
materials’
construction
strategies
presented,
offering
fresh
insights
application
high‐performance
nanogenerators
(TENGs).
Finally,
current
untapped
opportunities
are
summarized
fully
unlock
potential
applications
TENGs.