Nano-Micro Letters,
Journal Year:
2023,
Volume and Issue:
16(1)
Published: Nov. 20, 2023
Abstract
Flexible
strain
sensors
are
promising
in
sensing
minuscule
mechanical
signals,
and
thereby
widely
used
various
advanced
fields.
However,
the
effective
integration
of
hypersensitivity
highly
selective
response
into
one
flexible
sensor
remains
a
huge
challenge.
Herein,
inspired
by
hysteresis
strategy
scorpion
slit
receptor,
bio-inspired
(BFSS)
with
parallel
through-slit
arrays
is
designed
fabricated.
Specifically,
BFSS
consists
conductive
monolayer
graphene
viscoelastic
styrene–isoprene–styrene
block
copolymer.
Under
synergistic
effect
structures
materials,
can
achieve
both
frequency
response.
Remarkably,
exhibits
high
gage
factor
657.36,
precise
identification
vibration
frequencies
at
resolution
0.2
Hz
through
undergoing
different
morphological
changes
to
high-frequency
low-frequency
vibration.
Moreover,
possesses
wide
detection
range
(103
Hz)
stable
durability
(1000
cycles).
It
sense
recognize
signals
characteristics,
including
frequency,
amplitude,
waveform.
This
work,
which
turns
"treasure,"
provide
new
design
ideas
for
potential
applications
human–computer
interaction
health
monitoring
equipment.
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
124(4), P. 1535 - 1648
Published: Feb. 19, 2024
Over
the
years,
researchers
have
made
significant
strides
in
development
of
novel
flexible/stretchable
and
conductive
materials,
enabling
creation
cutting-edge
electronic
devices
for
wearable
applications.
Among
these,
porous
textiles
(PCTs)
emerged
as
an
ideal
material
platform
electronics,
owing
to
their
light
weight,
flexibility,
permeability,
wearing
comfort.
This
Review
aims
present
a
comprehensive
overview
progress
state
art
utilizing
PCTs
design
fabrication
wide
variety
integrated
systems.
To
begin
with,
we
elucidate
how
revolutionize
form
factors
electronics.
We
then
discuss
preparation
strategies
PCTs,
terms
raw
processes,
key
properties.
Afterward,
provide
detailed
illustrations
are
used
basic
building
blocks
fabricate
intrinsically
flexible
or
stretchable
devices,
including
sensors,
actuators,
therapeutic
energy-harvesting
storage
displays.
further
describe
techniques
systems
either
by
hybridizing
conventional
off-the-shelf
rigid
components
with
integrating
multiple
fibrous
PCTs.
Subsequently,
highlight
some
important
application
scenarios
healthcare,
sports
training,
converging
technologies,
professional
specialists.
At
end
Review,
challenges
perspectives
on
future
research
directions
give
overall
conclusions.
As
demand
more
personalized
interconnected
continues
grow,
PCT-based
wearables
hold
immense
potential
redefine
landscape
technology
reshape
way
live,
work,
play.
Nano-Micro Letters,
Journal Year:
2023,
Volume and Issue:
15(1)
Published: Oct. 18, 2023
2D
MXene
(Ti3CNTx)
has
been
considered
as
the
most
promising
electrode
material
for
flexible
supercapacitors
owing
to
its
metallic
conductivity,
ultra-high
capacitance,
and
excellent
flexibility.
However,
it
suffers
from
a
severe
restacking
problem
during
fabrication
process,
limiting
ion
transport
kinetics
accessibility
of
ions
in
electrodes,
especially
direction
normal
surface.
Herein,
we
report
NH3-induced
situ
etching
strategy
fabricate
3D-interconnected
porous
MXene/carbon
dots
(p-MC)
films
high-performance
supercapacitor.
The
pre-intercalated
carbon
(CDs)
first
prevent
expose
more
inner
electrochemical
active
sites.
partially
decomposed
CDs
generate
NH3
nanosheets
toward
p-MC
films.
Benefiting
structural
merits
ionic
transmission
channels,
film
electrodes
achieve
gravimetric
capacitance
(688.9
F
g-1
at
2
A
g-1)
superior
rate
capability.
Moreover,
optimized
is
assembled
into
an
asymmetric
solid-state
supercapacitor
with
high
energy
density
cycling
stability,
demonstrating
great
promise
practical
applications.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(31)
Published: May 17, 2024
Abstract
Electronic
skin
(e‐skin),
a
skin‐like
wearable
electronic
device,
holds
great
promise
in
the
fields
of
telemedicine
and
personalized
healthcare
because
its
good
flexibility,
biocompatibility,
conformability,
sensing
performance.
E‐skin
can
monitor
various
health
indicators
human
body
real
time
over
long
term,
including
physical
(exercise,
respiration,
blood
pressure,
etc.)
chemical
(saliva,
sweat,
urine,
etc.).
In
recent
years,
development
materials,
analysis,
manufacturing
technologies
has
promoted
significant
e‐skin,
laying
foundation
for
application
next‐generation
medical
devices.
Herein,
properties
required
e‐skin
monitoring
devices
to
achieve
long‐term
precise
summarize
several
detectable
field
are
discussed.
Subsequently,
applications
integrated
systems
reviewed.
Finally,
current
challenges
future
directions
this
This
review
is
expected
generate
interest
inspiration
improvement
systems.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(26)
Published: March 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.
Nano Letters,
Journal Year:
2024,
Volume and Issue:
24(23), P. 7125 - 7133
Published: May 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
Journal of Materials Chemistry B,
Journal Year:
2024,
Volume and Issue:
12(28), P. 6940 - 6958
Published: Jan. 1, 2024
Conductive
hydrogels
(CHs)
with
high
sensitivity
and
multifunctional
property
are
considered
as
excellent
materials
for
wearable
devices
flexible
electronics.
Surface
synapses
internal
multilayered
structures
key
factors
highly
sensitive
pressure
sensors.
Nevertheless,
current
CHs
lack
environmental
adaptability,
perception,
instrument
portability,
which
seriously
hinders
their
application
Here,
waste
collagen
fibers
(buffing
dust
of
leather),
polyvinyl
alcohol
(PVA)
gelatin
(Gel)
were
used
the
basic
framework
hydrogel,
loaded
a
conductive
material
(silver
nanoparticles
(BD-CQDs@AgNPs))
an
anti-freezing
moisturizer
(glycerol
(Gly)),
resulting
in
organohydrogel
(BPGC-Gly).
As
temperature
humidity
sensor,
it
demonstrated
response
range
(-20-60
°C)
was
capable
rapid
(2.4
s)
recovery
(1.6
to
human
breathing.
strain/pressure
allowed
real-time
monitoring
movement
had
low-pressure
(
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: May 21, 2024
Skin-attachable
electronics
have
garnered
considerable
research
attention
in
health
monitoring
and
artificial
intelligence
domains,
whereas
susceptibility
to
electromagnetic
interference
(EMI),
heat
accumulation
issues,
ultraviolet
(UV)-induced
aging
problems
pose
significant
constraints
on
their
potential
applications.
Here,
an
ultra-elastic,
highly
breathable,
thermal-comfortable
epidermal
sensor
with
exceptional
UV-EMI
shielding
performance
remarkable
thermal
conductivity
is
developed
for
high-fidelity
of
multiple
human
electrophysiological
signals.
Via
filling
the
elastomeric
microfibers
thermally
conductive
boron
nitride
nanoparticles
bridging
insulating
fiber
interfaces
by
plating
Ag
(NPs),
interwoven
conducting
network
(0.72
W
m
