Advanced Materials Technologies,
Journal Year:
2021,
Volume and Issue:
7(3)
Published: Nov. 2, 2021
Abstract
In
the
past
decade,
flexible
electronics
have
attracted
significant
research
attention
due
to
their
distinct
features
and
emerging
applications
in
numerous
fields
such
as,
displays,
implantable
sensors,
energy
storage
systems,
among
other
applications.
Due
development
of
electronics,
this
paper
details
substrates
employed
produce
electronic
devices,
given
that
generally
govern
overall
device
properties.
The
increase
can
be
attributed
use
films
as
substrates,
which
enable
implementation
design
strategies
engineering
methodologies,
thus
leading
extensive
advances
manufacturing
quality
prospect
various
This
provides
a
comprehensive
review
significance
wearable
over
substrate
properties
requirements,
processing
classification,
important
applications,
including
sensing,
storage,
devices.
Chemical Society Reviews,
Journal Year:
2020,
Volume and Issue:
49(20), P. 7229 - 7251
Published: Jan. 1, 2020
Hydrogels
have
recently
garnered
tremendous
interest
due
to
their
potential
application
in
soft
electronics,
human-machine
interfaces,
sensors,
actuators,
and
flexible
energy
storage.
Benefiting
from
impressive
combination
of
hydrophilicity,
metallic
conductivity,
high
aspect
ratio
morphology,
widely
tuneable
properties,
when
two-dimensional
(2D)
transition
metal
carbides/nitrides
(MXenes)
are
incorporated
into
hydrogel
systems,
they
offer
exciting
versatile
platforms
for
the
design
MXene-based
materials
with
tunable
application-specific
properties.
The
intriguing
and,
some
cases,
unique
properties
MXene
hydrogels
governed
by
complex
gel
structures
gelation
mechanisms,
which
require
in-depth
investigation
engineering
at
nanoscale.
On
other
hand,
formulation
MXenes
can
significantly
increase
stability
MXenes,
is
often
limiting
factor
many
applications.
Moreover,
through
simple
treatments,
derivatives
hydrogels,
such
as
aerogels,
be
obtained,
further
expanding
versatility.
This
tutorial
review
intends
show
enormous
range
both
well
increasing
performance
devices.
We
elucidate
existing
various
MXene-containing
systems
along
mechanisms
interconnecting
driving
forces.
then
discuss
distinctive
stemming
integration
revealed
an
enhanced
performance,
compared
either
or
alone,
applications
(energy
storage/harvesting,
biomedicine,
catalysis,
electromagnetic
interference
shielding,
sensing).
Science,
Journal Year:
2020,
Volume and Issue:
370(6519), P. 961 - 965
Published: Nov. 20, 2020
Human
skin
has
different
types
of
tactile
receptors
that
can
distinguish
various
mechanical
stimuli
from
temperature.
We
present
a
deformable
artificial
multimodal
ionic
receptor
differentiate
thermal
and
information
without
signal
interference.
Two
variables
are
derived
the
analysis
ion
relaxation
dynamics:
charge
time
as
strain-insensitive
intrinsic
variable
to
measure
absolute
temperature
normalized
capacitance
temperature-insensitive
extrinsic
strain.
The
with
simple
electrode-electrolyte-electrode
structure
simultaneously
detects
strain
by
measuring
at
only
two
measurement
frequencies.
human
skin-like
array,
called
ion-electronic
(IEM-skin),
provides
real-time
force
directions
profiles
in
motions
(shear,
pinch,
spread,
torsion,
so
on).
npj Flexible Electronics,
Journal Year:
2021,
Volume and Issue:
5(1)
Published: April 12, 2021
Wearable
devices
have
found
numerous
applications
in
healthcare
ranging
from
physiological
diseases,
such
as
cardiovascular
hypertension
and
muscle
disorders
to
neurocognitive
disorders,
Parkinson’s
disease,
Alzheimer’s
disease
other
psychological
diseases.
Different
types
of
wearables
are
used
for
this
purpose,
example,
skin-based
including
tattoo-based
wearables,
textile-based
biofluidic-based
wearables.
Recently,
also
shown
encouraging
improvements
a
drug
delivery
system;
therefore,
enhancing
its
utility
towards
personalized
healthcare.
These
contain
inherent
challenges,
which
need
be
addressed
before
their
commercialization
fully
system.
This
paper
reviews
different
wearable
currently
being
the
field.
It
highlights
efficacy
monitoring
diseases
(HWDs)
diagnostic
treatment
purposes.
Additionally,
current
challenges
limitations
these
field
along
with
future
perspectives
reviewed.
Advanced Materials,
Journal Year:
2019,
Volume and Issue:
32(18)
Published: Nov. 13, 2019
Abstract
The
wearable
industry
is
on
the
rise,
with
a
myriad
of
technical
applications
ranging
from
real‐time
health
monitoring,
Internet
Things,
and
robotics,
to
name
but
few.
However,
there
saying
“wearable
not
wearable”
because
current
market‐available
sensors
are
largely
bulky
rigid,
leading
uncomfortable
wearing
experience,
motion
artefacts,
poor
data
accuracy.
This
has
aroused
world‐wide
intensive
research
quest
for
novel
materials,
aim
fabricating
next‐generation
ultra‐lightweight
soft
devices.
Such
disruptive
second‐skin‐like
biosensing
technologies
may
enable
paradigm
shift
1.0
future
2.0
products.
Here,
state‐of‐the‐art
progress
made
in
key
phases
technology,
namely,
wear
→
sense
communicate
analyze
interpret
decide,
summarized.
Without
doubt,
materials
innovation
key,
which
main
focus
discussion.
In
addition,
emphasis
also
given
energy,
multicomponent
integration,
wireless
communication.
Advanced Materials,
Journal Year:
2020,
Volume and Issue:
33(19)
Published: Sept. 15, 2020
Abstract
Skin
is
the
largest
organ,
with
functionalities
of
protection,
regulation,
and
sensation.
The
emulation
human
skin
via
flexible
stretchable
electronics
gives
rise
to
electronic
(e‐skin),
which
has
realized
artificial
sensation
other
functions
that
cannot
be
achieved
by
conventional
electronics.
To
date,
tremendous
progress
been
made
in
data
acquisition
transmission
for
e‐skin
systems,
while
implementation
perception
within
is,
sensory
processing,
still
its
infancy.
Integrating
functionality
into
a
sensing
system,
namely
perception,
critical
endow
current
systems
higher
intelligence.
Here,
recent
design
fabrication
devices
summarized,
challenges
prospects
are
discussed.
strategies
implementing
utilize
either
silicon‐based
circuits
or
novel
computing
such
as
memristive
synaptic
transistors,
enable
surpass
skin,
distributed,
low‐latency,
energy‐efficient
information‐processing
ability.
In
future,
would
new
enabling
technology
construct
next‐generation
intelligent
advanced
applications,
robotic
surgery,
rehabilitation,
prosthetics.
Advanced Functional Materials,
Journal Year:
2019,
Volume and Issue:
30(29)
Published: Nov. 14, 2019
Abstract
Digital
health
facilitated
by
wearable/portable
electronics
and
big
data
analytics
holds
great
potential
in
empowering
patients
with
real‐time
diagnostics
tools
information.
The
detection
of
a
majority
biomarkers
at
trace
levels
body
fluids
using
mobile
(mHealth)
devices
requires
bioaffinity
sensors
that
rely
on
“bioreceptors”
for
specific
recognition.
Portable
point‐of‐care
testing
(POCT)
have
demonstrated
their
broad
utility
diverse
applications
ranging
from
monitoring
to
disease
diagnosis
management.
In
addition,
flexible
stretchable
electronics‐enabled
wearable
platforms
emerged
the
past
decade
as
an
interesting
approach
ambulatory
collection
data.
Herein,
technological
advancements
mHealth
evolved
laboratory
assays
portable
POCT
devices,
electronics,
are
synthesized.
involved
recognition
events
affinity
biosensors
enabled
bioreceptors
(e.g.,
antibodies,
DNAs,
aptamers,
molecularly
imprinted
polymers)
discussed
along
transduction
mechanisms
electrochemical
optical)
system‐level
integration
technologies.
Finally,
outlook
field
is
provided
key
bottlenecks
overcome
identified,
order
achieve
new
sensing
paradigm
platforms.
Advanced Materials Technologies,
Journal Year:
2021,
Volume and Issue:
6(4)
Published: March 5, 2021
Abstract
For
decades,
the
revolution
in
design
and
fabrication
methodology
of
flexible
capacitive
pressure
sensors
using
various
inorganic/organic
materials
has
significantly
enhanced
field
wearable
electronics
with
a
wide
range
applications
aerospace,
automobiles,
marine
environment,
robotics,
healthcare,
consumer/portable
electronics.
Mathematical
modelling,
finite
element
simulations,
unique
strategies
are
utilized
to
fabricate
diverse
shapes
diaphragms,
shells,
cantilevers
which
function
normal,
touch,
or
double
touch
modes,
operation
principles
inspired
from
microelectromechanical
systems
(MEMS)
based
sensing
techniques.
The
technique
detects
changes
capacitance
due
deformation/deflection
sensitive
mechanical
that
alters
separation
gap
capacitor.
Due
advancement
state‐of‐the‐art
technologies,
performance
properties
enhanced.
In
this
review
paper,
recent
progress
techniques
terms
design,
materials,
is
reported.
mechanics
steps
paper‐based
low‐cost
MEMS/flexible
devices
also
broadly
Lastly,
sensors,
challenges,
future
perspectives
discussed.