ACS Applied Materials & Interfaces,
Год журнала:
2022,
Номер
14(41), С. 47075 - 47088
Опубликована: Окт. 7, 2022
Pressure
sensors
with
desirable
flexibility,
robustness,
and
versatility
are
urgently
needed
for
complicated
smart
wearable
devices.
However,
developing
an
ideal
multifunctional
flexible
sensor
is
still
challenging.
In
this
work,
a
composite
aerogel
film
internal
three-dimensional
(3D)
microporous
hierarchical
structure
successfully
fabricated
by
the
self-assembly
of
aramid
nanofiber
(ANF)
conductive
MXene
vacuum-assisted
filtration
ice
crystal
growth.
The
resultant
MXene/ANF
mass
ratio
3/7
(30%
MAAF)
presents
high
robustness
outstanding
tensile
strength
14.1
MPa
modulus
455
while
retaining
appealing
flexibility
sensitive
characteristics
due
to
3D
microstructure.
Accompanied
superior
electric
conductivity,
MAAF
performs
noticeably
in
human
motion
microexpression
detection
fast
response
time
100
ms
sensitivity
37.4
kPa-1.
addition,
exhibits
considerable
thermal
shielding
performance
based
on
excellent
thermostability.
Moreover,
it
possesses
prominent
electrothermal
property
wide
heating
temperature
range
(32.7-242
°C)
(5
s)
Joule
effect.
Additionally,
hydrophobic
SiO2
coating
introduced
surface
further
broaden
sensing
application,
obtained
MAAF@SiO2
shows
distinguished
capability
underwater,
which
can
be
accurately
applied
swimming
monitoring.
Therefore,
work
provides
highly
flexible,
lightweight,
robust,
sensor,
showing
promising
potential
healthcare
devices,
intelligent
robots,
underwater
detection.
Nano-Micro Letters,
Год журнала:
2023,
Номер
15(1)
Опубликована: Июль 7, 2023
Highlights
Convincing
candidates
of
flexible
(stretchable/compressible)
electromagnetic
interference
shielding
nanocomposites
are
discussed
in
detail
from
the
views
fabrication,
mechanical
elasticity
and
performance.
Detailed
summary
relationship
between
deformation
materials
The
future
directions
challenges
developing
(particularly
elastic)
highlighted.
Abstract
With
extensive
use
electronic
communication
technology
integrated
circuit
systems
wearable
devices,
(EMI)
has
increased
dramatically.
shortcomings
conventional
rigid
EMI
include
high
brittleness,
poor
comfort,
unsuitability
for
conforming
deformable
applications.
Hitherto,
have
attracted
enormous
interest
due
to
their
excellent
deformability.
However,
current
present
low
stability
resilience,
relatively
performance,
limited
multifunctionality.
Herein,
advances
low-dimensional
nanomaterials-based
elastomers
outlined
a
selection
most
remarkable
examples
is
discussed.
And
corresponding
modification
strategies
deformability
performance
summarized.
Finally,
expectations
this
quickly
increasing
sector
discussed,
as
well
challenges.
Advanced Functional Materials,
Год журнала:
2023,
Номер
33(33)
Опубликована: Май 1, 2023
Abstract
Benefiting
from
inherent
lightweight,
flexibility,
and
good
adaptability
to
human
body,
functional
textiles
are
attracting
tremendous
attention
cope
with
wearable
issues
in
sustainable
applications
around
beings.
In
this
feature
article,
a
comprehensive
thoughtful
review
is
proposed
regarding
research
activities
of
smart
properties.
Specifically,
brief
exposition
highlighting
the
significance
rising
demands
novel
throughout
society
begun.
Next,
systematic
provided
about
fabrication
1D
spinning,
2D
modification,
3D
construction,
their
diverse
functionality
as
well
applications,
showing
clear
picture
evolved
readers.
How
engineer
compositions,
structures,
properties
elaborated
achieve
different
All
these
tunable,
upgraded,
versatile
make
developed
suited
for
extensive
ranging
environmental
monitoring
or
freshwater
access
personal
protection
power
supply.
Finally,
simple
summary
critical
analysis
drawn,
emphasis
on
insight
into
remaining
challenges
future
directions.
With
worldwide
efforts,
advance
breakthrough
textile
functionalization
expounded
will
promote
revolution
intelligence
era.
Advanced Functional Materials,
Год журнала:
2023,
Номер
34(13)
Опубликована: Дек. 15, 2023
Abstract
Electromagnetic
interference
(EMI)
shielding
fabrics
are
crucial
in
addressing
the
increasingly
serious
electromagnetic
pollution.
To
meet
wearable
requirements,
stretchability
and
thermal
comfortability
often
desired,
but
which
still
challenging.
Herein,
a
stretchable
EMI
fabric
is
fabricated
via
electrospinning
coupled
with
biaxial
pre‐stretching
spraying,
block
stacking
wrinkled
silver
nanowire
(AgNW)/Ti
3
C
2
T
x
MXene
network
coated
on
one
side
of
electrospun
thermoplastic
polyurethane
(TPU)/polydimethylsiloxane
(PDMS)
fabric.
As
expected,
structure
protects
conductive
from
fracture
during
stretching
process,
so
as
to
realize
strain‐invariant
electrical
conductivity.
Thus,
exhibits
performance
over
40
dB
when
subjected
10–50%
uniaxial
strains
or
21–125%
strains.
More
importantly,
white
TPU/PDMS
black
AgNW/MXene
enable
passive
radiative
cooling
heating,
respectively.
The
high
mid‐infrared
emissivity
(97.5%)
solar
reflectance
(90%),
thus
reducing
skin
temperature
by
≈4.9
°C.
heating
absorptivity
(86.6%)
photothermal
effect
increased
≈5
Therefore,
fabirc
Janus‐type
dual‐mode
personal
management
promising
future
products.
