Journal of The Electrochemical Society,
Год журнала:
2020,
Номер
167(3), С. 037561 - 037561
Опубликована: Янв. 2, 2020
The
recent
advances
in
wearable
electronics
and
intelligent
human-machine
interface
systems
have
garnered
great
interests
electromechanical
sensors,
which
can
measure
quantify
physical
stimuli.
Among
different
types
of
piezoresistive
sensors
been
extensively
investigated
due
to
the
excellent
sensitivity,
simple
construction,
durability.
Especially,
there
remarkable
developments
flexible
stretchable
for
devices
by
investigating
novel
material/structural
strategies
obtain
highly
sensitive
with
skin-like
flexibility.
Here,
we
give
a
comprehensive
overview
progress
their
applications.
Based
on
material
composition
structural
characteristics,
are
categorized
into
three
types—conductive
polymeric
composite,
porous
conductive
material,
architected
material.
Subsequently,
summarized
transduction
mechanisms,
fabrication
processes,
sensing
performances,
Finally,
discussed
current
challenges
future
opportunities
sensors.
Advanced Materials,
Год журнала:
2020,
Номер
33(28)
Опубликована: Апрель 20, 2020
Abstract
There
is
currently
enormous
and
growing
demand
for
flexible
electronics
personalized
mobile
equipment,
human–machine
interface
units,
wearable
medical‐healthcare
systems,
bionic
intelligent
robots.
Cellulose
a
well‐known
natural
biopolymer
that
has
multiple
advantages
including
low
cost,
renewability,
easy
processability,
biodegradability,
as
well
appealing
mechanical
performance,
dielectricity,
piezoelectricity,
convertibility.
Because
of
its
merits,
cellulose
frequently
used
substrate,
binder,
dielectric
layer,
gel
electrolyte,
derived
carbon
material
electronic
devices.
Leveraging
the
to
design
advanced
functional
materials
will
have
significant
impact
on
portable
electronics.
Herein,
unique
molecular
structure
nanostructures
(nanocrystals,
nanofibers,
nanosheets,
etc.)
are
briefly
introduced,
structure–property–application
relationships
cellulosic
summarized,
processing
technologies
fabricating
cellulose‐based
considered.
The
focus
then
turns
recent
advances
toward
emerging
devices
sensors,
optoelectronic
devices,
field‐effect
transistors,
nanogenerators,
electrochemical
energy
storage
biomimetic
skins,
biological
detection
Finally,
an
outlook
potential
challenges
future
prospects
developing
bioelectronic
systems
presented.
Advanced Functional Materials,
Год журнала:
2021,
Номер
31(13)
Опубликована: Янв. 18, 2021
Abstract
Inspired
by
the
ultralight
and
structurally
robust
spider
webs,
flexible
nanofibril‐assembled
aerogels
with
intriguing
attributes
have
been
designed
for
achieving
promising
performances
in
various
applications.
Here,
conductive
polyimide
nanofiber
(PINF)/MXene
composite
aerogel
typical
“layer‐strut”
bracing
hierarchical
nanofibrous
cellular
structure
has
developed
via
freeze‐drying
thermal
imidization
process.
Benefiting
from
porous
architecture
bonding
between
PINF
MXene,
PINF/MXene
exhibits
an
ultralow
density
(9.98
mg
cm
−3
),
temperature
tolerance
‐50
to
250
°C,
superior
compressibility
recoverability
(up
90%
strain),
excellent
fatigue
resistance
over
1000
cycles.
The
can
be
used
as
a
piezoresistive
sensor,
outstanding
sensing
capacity
up
strain
(corresponding
85.21
kPa),
detection
limit
of
0.5%
0.01
cycles,
stability
reproductivity
extremely
harsh
environments.
Furthermore,
also
oil/water
separation
properties
such
high
adsorption
(55.85
135.29
g
−1
)
stable
recyclability
due
its
hydrophobicity
structure.
It
is
expected
that
supply
new
multifunctional
platform
human
bodily
motion/physical
signals
high‐efficient
separation.
Journal of Materials Chemistry C,
Год журнала:
2019,
Номер
7(38), С. 11710 - 11730
Опубликована: Янв. 1, 2019
This
review
paper
summarizes
the
categories,
sensing
mechanisms,
and
affecting
factors
of
flexible
conductive
polymer
composite-based
stretchable
strain
sensors.
ACS Applied Materials & Interfaces,
Год журнала:
2019,
Номер
11(45), С. 42594 - 42606
Опубликована: Окт. 16, 2019
Wearable
pressure
sensors
are
in
great
demand
with
the
rapid
development
of
intelligent
electronic
devices.
However,
it
is
still
a
huge
challenge
to
obtain
high-performance
high
sensitivity,
wide
response
range,
and
low
detection
limit
simultaneously.
Here,
polyimide
(PI)/carbon
nanotube
(CNT)
composite
aerogel
merits
superelastic,
porosity,
robust,
high-temperature
resistance
was
successfully
prepared
through
freeze
drying
plus
thermal
imidization
process.
Benefiting
from
strong
chemical
interactions
between
PI
CNT
stable
electrical
property,
exhibits
versatile
superior
brilliant
sensing
performance,
which
includes
range
(80%
strain,
61
kPa),
ultrahigh
sensitivity
(11.28
kPa-1),
ultralow
(0.1%
<10
Pa),
fast
time
(50
ms)
recovery
(70
ms),
remarkable
long-term
stability
(1000
cycles),
exceptional
ability
toward
different
deformations
(compression,
distortion,
bending).
Furthermore,
also
shows
performance
after
annealing
under
temperatures
good
insulation
making
workable
various
harsh
environments.
As
result,
suitable
for
full-range
human
motion
(including
airflow,
pulse,
vocal
cord
vibration,
movement)
precise
distribution
when
assembled
into
E-skin,
demonstrating
its
potential
serve
as
wearable
sensor.
ACS Applied Materials & Interfaces,
Год журнала:
2020,
Номер
12(15), С. 18023 - 18031
Опубликована: Март 25, 2020
Flexible
electromagnetic
interference
(EMI)
shielding
materials
with
excellent
thermal
conductivities
and
Joule
heating
performances
are
of
urgent
demand
in
the
communication
industry,
artificial
intelligence,
wearable
electronics.
In
this
work,
highly
conductive
silver
nanowires
(AgNWs)
were
prepared
using
polyol
method.
Cellulose
sheets
then
by
dissolving
natural
cotton
a
green
efficient
NaOH/urea
aqueous
solution.
Finally,
multifunctional
flexible
EMI
AgNWs/cellulose
films
fabricated
based
on
vacuum-assisted
filtration
hot-pressing.
AgNWs
evenly
embedded
inner
cellulose
matrix
overlap
each
other
to
form
3D
network.
films,
thickness
44.5
μm,
obtain
superior
effectiveness
101
dB,
which
is
highest
value
ever
reported
for
same
thickness.
addition,
present
tensile
strength
(60.7
MPa)
modulus
(3.35
GPa),
ultrahigh
electrical
conductivity
(σ,
5571
S/cm),
in-plane
coefficient
(λ∥,
10.55
W/mK),
can
effectively
dissipate
heat
accumulation.
Interestingly,
also
show
outstanding
performances,
good
stability,
sensitive
temperature
response
at
driving
voltages,
absolutely
safe
human
body.
Therefore,
our
have
broad
prospects
fields
protection
outdoor
large-scale
power
transformers
Advanced Functional Materials,
Год журнала:
2021,
Номер
31(42)
Опубликована: Июль 20, 2021
Abstract
Inspired
by
the
human
skin,
electronic
skins
(e‐skins)
composed
of
various
flexible
sensors,
such
as
strain
sensor,
pressure
shear
force
temperature
and
humility
delicate
circuits,
are
emerged
to
mimic
sensing
functions
skins.
In
this
review,
strategies
realize
versatile
functionalities
natural
skin‐like
e‐skins,
including
strain‐,
pressure‐,
force‐,
temperature‐
humility‐sensing
abilities,
well
self‐healing
ability
other
summarized.
Some
representative
examples
high‐performance
e‐skins
their
applications
outlined
discussed.
Finally,
outlook
future
is
presented.
