Smart Materials and Structures,
Journal Year:
2021,
Volume and Issue:
30(5), P. 055012 - 055012
Published: April 7, 2021
Abstract
For
a
long
time,
the
daily
paper
and
carbon
ink
have
been
used
for
writing
painting.
With
development
of
electronic
technology,
they
are
expected
to
play
new
roles
in
devices.
Herein,
combining
unique
characteristics
(rough
surface,
hydrophilicity)
(conductivity),
this
work
rationally
proposed
two
low-cost,
eco-friendly,
flexible,
multifunctional
pressure
humidity
sensors.
The
results
show
that
as-fabricated
paper-based
(PB)
sensor
has
good
sensitivity
0.614
kPa
−1
range
0–6
kPa.
PB
large
response
∼2120
(current
ratio
at
91.5%
relative
(RH)
0%
RH).
is
proven
be
useful
multiple
related
contact
detections,
can
many
non-contact
detections.
Interestingly,
different
detecting
modes
sensors,
some
same
functions
(e.g.
switch,
respiratory
frequency
speech
recognition)
realized
from
using
which
greatly
enhance
wearable
comfort.
Compared
with
previous
reports,
demonstrates
much
simpler
approach
without
expensive
raw
materials,
toxic
reagents
high
temperature
treatment
achieve
outstanding
sensing
performances
Advanced Functional Materials,
Journal Year:
2021,
Volume and Issue:
31(22)
Published: March 8, 2021
Abstract
In
recent
decades,
flexible
and
wearable
devices
have
been
extensively
investigated
due
to
their
promising
applications
in
portable
mobile
electronics
human
motion
monitoring.
MXene,
a
novel
growing
family
of
2D
nanomaterials,
demonstrates
superiorities
such
as
outstanding
electrical
conductivity,
abundant
terminal
groups,
unique
layered‐structure,
large
surface
area,
hydrophilicity,
making
it
be
potential
candidate
material
for
devices.
Numerous
pioneering
works
are
devoted
develop
MXene‐based
composites
with
various
functions
designed
structures.
Therefore,
the
latest
progress
is
summarized
this
review,
focusing
on
preparation
strategies,
working
mechanisms,
performances,
sensors,
supercapacitors,
electromagnetic
interference
shielding
materials.
Moreover,
current
challenges
future
outlooks
also
discussed.
Journal of Materials Chemistry C,
Journal Year:
2021,
Volume and Issue:
9(42), P. 14963 - 14980
Published: Jan. 1, 2021
In
this
review,
we
summarized
the
recent
progress
in
a
humidity
sensor
for
human
body
related
detections
(including
respiratory
behavior,
speech
recognition,
skin
moisture,
non-contact
switch,
and
diaper
monitoring).
Nano-Micro Letters,
Journal Year:
2022,
Volume and Issue:
14(1)
Published: July 22, 2022
In
the
past
decade,
global
industry
and
research
attentions
on
intelligent
skin-like
electronics
have
boosted
their
applications
in
diverse
fields
including
human
healthcare,
Internet
of
Things,
human-machine
interfaces,
artificial
intelligence
soft
robotics.
Among
them,
flexible
humidity
sensors
play
a
vital
role
noncontact
measurements
relying
unique
property
rapid
response
to
change.
This
work
presents
an
overview
recent
advances
using
various
active
functional
materials
for
contactless
monitoring.
Four
categories
are
highlighted
based
resistive,
capacitive,
impedance-type
voltage-type
working
mechanisms.
Furthermore,
typical
strategies
chemical
doping,
structural
design
Joule
heating
introduced
enhance
performance
sensors.
Drawing
perception
capability,
human/plant
healthcare
management,
interactions
as
well
integrated
sensor-based
feedback
systems
presented.
The
burgeoning
innovations
this
field
will
benefit
society,
especially
during
COVID-19
epidemic,
where
cross-infection
should
be
averted
sensation
is
highly
desired.
Small,
Journal Year:
2021,
Volume and Issue:
18(7)
Published: Nov. 25, 2021
Abstract
Multiresponsive
flexile
sensors
with
strain,
temperature,
humidity,
and
other
sensing
abilities
serving
as
real
electronic
skin
(e‐skin)
have
manifested
great
application
potential
in
flexible
electronics,
artificial
intelligence
(AI),
Internet
of
Things
(IoT).
Although
numerous
sole
function
already
been
reported
since
the
concept
e‐skin,
that
mimics
features
human
skin,
was
proposed
about
a
decade
ago,
ones
more
capacities
new
emergences
are
urgently
demanded.
However,
highly
integrated
sensitive
multiresponsive
functions
becoming
big
thrust
for
detection
body
motions,
physiological
signals
(e.g.,
blood
pressure,
electrocardiograms
(ECG),
electromyograms
(EMG),
sweat,
etc.)
environmental
stimuli
light,
magnetic
field,
volatile
organic
compounds
(VOCs)),
which
vital
to
real‐time
all‐round
health
monitoring
management.
Herein,
this
review
summarizes
design,
manufacturing,
presents
future
challenges
fabricating
these
next‐generation
e‐skin
wearable
electronics.
Advanced Materials Technologies,
Journal Year:
2021,
Volume and Issue:
6(3)
Published: Feb. 4, 2021
Abstract
In
the
era
of
Internet
Things,
wearable
technologies
are
expected
to
become
an
indispensable
part
daily
life.
recent
times,
highly
sensitive,
flexible,
and
stretchable
electronic
gas
sensors
gaining
tremendous
interest
due
their
applicability
in
electronics
applications.
The
construction
reviewed
for
real‐time,
selective
detection
hazardous
gases
at
room
temperature
(RT)
that
can
be
laminated
onto
a
human
body
or
integrated
with
body‐worn
textile
other
consumer
products,
utilizing
carbon
nanomaterials,
conductive
polymers,
2D
nanostructured
materials,
composites.
Sensing
transduction
techniques,
substrates
high‐performance
sensing
discussed
detail.
critical
challenges
future
development
presented.
Wearable
believed
have
great
potential
environmental
monitoring,
healthcare,
public
safety,
security,
as
well
food
quality
monitoring.
Comprehensive Reviews in Food Science and Food Safety,
Journal Year:
2022,
Volume and Issue:
21(3), P. 2489 - 2519
Published: April 1, 2022
Abstract
Intelligent
food
packaging
system
exhibits
enhanced
communication
function
by
providing
dynamic
product
information
to
various
stakeholders
(e.g.,
consumers,
retailers,
distributors)
in
the
supply
chain.
One
example
of
intelligent
involves
use
colorimetric
indicators,
which
when
subjected
external
stimuli
moisture,
gas/vapor,
electromagnetic
radiation,
temperature),
display
discernable
color
changes
that
can
be
correlated
with
real‐time
quality.
This
type
interactive
allows
continuous
monitoring
freshness
during
transportation,
distribution,
storage,
and
marketing
phases.
review
summarizes
indicator
technologies
for
systems,
emphasizing
on
types
dyes,
preparation
methods,
applications
different
products,
future
considerations.
Both
nonfood
materials
integrated
into
carriers
paper‐based
substrates,
polymer
films,
electrospun
fibers,
nanoparticles)
material
properties
optimized
specific
are
discussed,
targeting
perishable
such
as
fresh
meat
fishery
products.
Colorimetric
indicators
supplement
traditional
“Best
Before”
date
label
quality
consumers
thereby
not
only
ensuring
safety,
but
also
promising
reducing
waste.
Successful
scale‐up
these
industrial
level
must
consider
issues
related
regulatory
approval,
consumer
acceptance,
cost‐effectiveness,
compatibility.
