Nano-Micro Letters,
Journal Year:
2022,
Volume and Issue:
14(1)
Published: July 5, 2022
As
an
indispensable
branch
of
wearable
electronics,
flexible
pressure
sensors
are
gaining
tremendous
attention
due
to
their
extensive
applications
in
health
monitoring,
human
–machine
interaction,
artificial
intelligence,
the
internet
things,
and
other
fields.
In
recent
years,
highly
have
been
developed
using
various
materials/structures
transduction
mechanisms.
Morphological
engineering
sensing
materials
at
nanometer
micrometer
scales
is
crucial
obtaining
superior
sensor
performance.
This
review
focuses
on
rapid
development
morphological
technologies
for
sensors.
We
discuss
different
architectures
designs
achieve
high
performance,
including
sensitivity,
broad
working
range,
stable
sensing,
low
hysteresis,
transparency,
directional
or
selective
sensing.
Additionally,
general
fabrication
techniques
summarized,
self-assembly,
patterning,
auxiliary
synthesis
methods.
Furthermore,
we
present
emerging
high-performing
microengineered
healthcare,
smart
homes,
digital
sports,
security
machine
learning-enabled
computational
platform.
Finally,
potential
challenges
prospects
future
developments
discussed
comprehensively.
Advanced Materials,
Journal Year:
2019,
Volume and Issue:
31(48)
Published: Sept. 19, 2019
Abstract
Recent
progress
in
electronic
skin
or
e‐skin
research
is
broadly
reviewed,
focusing
on
technologies
needed
three
main
applications:
skin‐attachable
electronics,
robotics,
and
prosthetics.
First,
since
will
be
exposed
to
prolonged
stresses
of
various
kinds
needs
conformally
adhered
irregularly
shaped
surfaces,
materials
with
intrinsic
stretchability
self‐healing
properties
are
great
importance.
Second,
tactile
sensing
capability
such
as
the
detection
pressure,
strain,
slip,
force
vector,
temperature
important
for
health
monitoring
attachable
devices,
enable
object
manipulation
surrounding
environment
robotics
For
chemical
electrophysiological
wireless
signal
communication
high
significance
fully
gauge
state
users
ensure
user
comfort.
prosthetics,
large‐area
integration
3D
surfaces
a
facile
scalable
manner
critical.
Furthermore,
new
processing
strategies
using
neuromorphic
devices
efficiently
process
information
parallel
low
power
manner.
neural
interfacing
electrodes
These
topics
discussed,
progress,
current
challenges,
future
prospects.
Advanced Materials Technologies,
Journal Year:
2019,
Volume and Issue:
4(3)
Published: Jan. 4, 2019
Abstract
Skin‐inspired
wearable
devices
hold
great
potentials
in
the
next
generation
of
smart
portable
electronics
owing
to
their
intriguing
applications
healthcare
monitoring,
soft
robotics,
artificial
intelligence,
and
human–machine
interfaces.
Despite
tremendous
research
efforts
dedicated
judiciously
tailoring
terms
thickness,
portability,
flexibility,
bendability
as
well
stretchability,
emerging
Internet
Things
demand
skin‐interfaced
flexible
systems
be
endowed
with
additional
functionalities
capability
mimicking
skin‐like
perception
beyond.
This
review
covers
highlights
latest
advances
burgeoning
multifunctional
electronics,
primarily
including
versatile
multimodal
sensor
systems,
self‐healing
material‐based
devices,
self‐powered
sensors.
To
render
penetration
human‐interactive
into
global
markets
households,
economical
manufacturing
techniques
are
crucial
achieve
large‐scale
high‐throughput
capability.
The
booming
innovations
this
field
will
push
scientific
community
forward
benefit
human
beings
near
future.
ACS Applied Materials & Interfaces,
Journal Year:
2019,
Volume and Issue:
11(21), P. 19472 - 19480
Published: May 6, 2019
An
ultrahigh
sensitive
capacitive
pressure
sensor
based
on
a
porous
pyramid
dielectric
layer
(PPDL)
is
reported.
Compared
to
that
of
the
conventional
layer,
sensitivity
was
drastically
increased
44.5
kPa-1
in
range
<100
Pa,
an
unprecedented
for
sensors.
The
enhanced
attributed
lower
compressive
modulus
and
larger
change
effective
constant
under
pressure.
By
placing
sensors
islands
hard
elastomer
embedded
soft
substrate,
exhibited
insensitivity
strain.
were
also
nonresponsive
temperature.
Finally,
contact
resistance-based
demonstrated
by
chemically
grafting
PPDL
with
conductive
polymer,
which
showed
sensitivity.
Advanced Materials,
Journal Year:
2021,
Volume and Issue:
33(47)
Published: April 22, 2021
Abstract
Flexible
tactile
sensors
capable
of
measuring
mechanical
stimuli
via
physical
contact
have
attracted
significant
attention
in
the
field
human‐interactive
systems.
The
utilization
information
can
complement
vision
and/or
sound
interaction
and
provide
new
functionalities.
Recent
advancements
micro/nanotechnology,
material
science,
technology
resulted
development
high‐performance
that
reach
even
surpass
sensing
ability
human
skin.
Here,
important
advances
flexible
over
recent
years
are
summarized,
from
sensor
designs
to
system‐level
applications.
This
review
focuses
on
representative
strategies
based
design
configurations
for
improving
key
performance
parameters
including
sensitivity,
detection
range/linearity,
response
time/hysteresis,
spatial
resolution/crosstalk,
multidirectional
force
detection,
insensitivity
other
stimuli.
System‐level
integration
practical
applications
beyond
conceptual
prototypes
promising
applications,
such
as
artificial
electronic
skin
robotics
prosthetics,
wearable
controllers
electronics,
bidirectional
communication
tools,
also
discussed.
Finally,
perspectives
issues
regarding
further
provided.
Advanced Functional Materials,
Journal Year:
2019,
Volume and Issue:
30(20)
Published: Aug. 13, 2019
Abstract
Electronic
skin
(e‐skin)
technology
is
an
exciting
frontier
to
drive
the
next
generation
of
wearable
electronics
owing
its
high
level
wearability,
enabling
accuracy
harvest
information
users
and
their
surroundings.
Recently,
biomimicry
human
biological
skins
has
become
a
great
inspiration
for
realizing
novel
electronic
systems
with
exceptional
multifunctionality
as
well
advanced
sensory
functions.
This
review
covers
highlights
bioinspired
e‐skins
mimicking
perceptive
features
skins.
In
particular,
five
main
components
in
tactile
sensation
processes
are
individually
discussed
recent
advances
that
mimic
unique
sensing
mechanisms
skin.
addition,
diverse
functionalities
user‐interactive,
skin‐attachable,
ultrasensitive
introduced
from
architectures
functionalities,
such
visual
expression
stimuli,
reversible
adhesion,
easy
deformability,
camouflage,
natural
creatures.
Furthermore,
emerging
sensor
using
body
motion
tracking,
healthcare
monitoring,
prosthesis
described.
Finally,
several
challenges
should
be
considered
realization
next‐generation
outcomes
addressing
these
challenges.
ACS Applied Materials & Interfaces,
Journal Year:
2020,
Volume and Issue:
12(19), P. 22212 - 22224
Published: April 17, 2020
In
recent
years,
highly
sensitive
pressure
sensors
that
are
flexible,
biocompatible,
and
stretchable
have
attracted
significant
research
attention
in
the
fields
of
wearable
electronics
smart
skin.
However,
there
has
been
a
considerable
challenge
to
simultaneously
achieve
sensitive,
low-cost
coupled
with
optimum
mechanical
stability
an
ultralow
detection
limit
for
subtle
physiological
signal
monitoring
devices.
Targeting
aforementioned
issues,
herein,
we
report
facile
fabrication
reliable
capacitive
sensor
ultralow-pressure
measurement
by
sandwiching
MXene
(Ti3C2Tx)/poly(vinylidene
fluoride-trifluoroethylene)
(PVDF-TrFE)
composite
nanofibrous
scaffolds
as
dielectric
layer
between
biocompatible
poly-(3,4-ethylenedioxythiophene)
polystyrene
sulfonate
/polydimethylsiloxane
electrodes.
The
fabricated
exhibits
high
sensitivity
0.51
kPa–1
minimum
1.5
Pa.
addition,
it
also
enables
linear
sensing
over
broad
range
(0–400
kPa)
reliability
10,000
cycles
even
at
extremely
(>167
kPa).
nanofiber-based
is
enhanced
loading,
thereby
increasing
constant
up
40
reducing
compression
modulus
58%
compared
pristine
PVDF-TrFE
nanofiber
scaffolds.
proposed
can
be
used
determine
health
condition
patients
signals
(pulse
rate,
respiration,
muscle
movements,
eye
twitching)
represents
good
candidate
next
generation
human–machine
interfacing
device.
Advanced Materials,
Journal Year:
2021,
Volume and Issue:
33(50)
Published: March 30, 2021
Abstract
The
emergence
of
new
applications,
such
as
in
artificial
intelligence,
the
internet
things,
and
biotechnology,
has
driven
evolution
stress
sensing
technology.
For
these
emerging
stretchability,
remoteness,
distribution,
a
multimodal
nature,
biocompatibility
are
important
performance
characteristics
sensors.
Mechanoluminescence
(ML)‐based
attracted
widespread
attention
because
its
remoteness
having
distributed
response
to
mechanical
stimuli
well
great
potential
for
biocompatibility,
self‐powering.
In
past
few
decades,
progress
been
made
discovery
ML
materials,
analysis
mechanisms,
design
devices,
exploration
applications.
One
can
find
that
with
this
progress,
focus
research
shifted
from
phenomenon
earliest
stage
materials
recently
toward
devices.
At
present
stage,
while
showing
prospects
advanced
ML‐based
still
faces
major
challenges
material
optimization,
device
design,
system
integration.
