ACS Sensors,
Journal Year:
2022,
Volume and Issue:
7(10), P. 2804 - 2822
Published: Sept. 22, 2022
Printed
electrical
gas
sensors
are
a
low-cost,
lightweight,
low-power,
and
potentially
disposable
alternative
to
manufactured
using
conventional
methods
such
as
photolithography,
etching,
chemical
vapor
deposition.
The
growing
interest
in
Internet-of-Things,
smart
homes,
wearable
devices,
point-of-need
has
been
the
main
driver
fueling
development
of
new
classes
printed
sensors.
In
this
Perspective,
we
provide
an
insight
into
current
research
related
including
materials,
fabrication,
applications
monitoring
food
quality,
air
diagnosis
diseases,
detection
hazardous
gases.
We
further
describe
challenges
future
opportunities
for
emerging
technology.
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
124(4), P. 1535 - 1648
Published: Feb. 19, 2024
Over
the
years,
researchers
have
made
significant
strides
in
development
of
novel
flexible/stretchable
and
conductive
materials,
enabling
creation
cutting-edge
electronic
devices
for
wearable
applications.
Among
these,
porous
textiles
(PCTs)
emerged
as
an
ideal
material
platform
electronics,
owing
to
their
light
weight,
flexibility,
permeability,
wearing
comfort.
This
Review
aims
present
a
comprehensive
overview
progress
state
art
utilizing
PCTs
design
fabrication
wide
variety
integrated
systems.
To
begin
with,
we
elucidate
how
revolutionize
form
factors
electronics.
We
then
discuss
preparation
strategies
PCTs,
terms
raw
processes,
key
properties.
Afterward,
provide
detailed
illustrations
are
used
basic
building
blocks
fabricate
intrinsically
flexible
or
stretchable
devices,
including
sensors,
actuators,
therapeutic
energy-harvesting
storage
displays.
further
describe
techniques
systems
either
by
hybridizing
conventional
off-the-shelf
rigid
components
with
integrating
multiple
fibrous
PCTs.
Subsequently,
highlight
some
important
application
scenarios
healthcare,
sports
training,
converging
technologies,
professional
specialists.
At
end
Review,
challenges
perspectives
on
future
research
directions
give
overall
conclusions.
As
demand
more
personalized
interconnected
continues
grow,
PCT-based
wearables
hold
immense
potential
redefine
landscape
technology
reshape
way
live,
work,
play.
Journal of Materials Chemistry C,
Journal Year:
2023,
Volume and Issue:
11(20), P. 6528 - 6549
Published: Jan. 1, 2023
Flexible/wearable
gas
sensor
technology
is
gaining
huge
interest
in
the
current
era
of
Internet
Things
for
its
applications
personal
environmental
monitoring,
healthcare,
and
safety.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(27)
Published: Feb. 20, 2024
Abstract
Intelligent
wearable
sensors
play
a
crucial
role
in
the
detection
of
toxic
gases
and
monitoring
physiological
signals,
thereby
effectively
ensuring
environmental
personal
health
safety.
Nonetheless,
achieving
requirements
for
antibacterial
properties,
comfortable
wear,
multifunctional
remains
major
challenge.
In
this
study,
novel
Def‐ZIF‐8/PPY/BC‐based
flexible
sensor
is
developed
by
situ
growth
zeolitic
imidazolate
frameworks‐8
(ZIF‐8)
polypyrrole
(PPY)
on
bacterial
cellulose
(BC),
followed
water
immersion.
The
demonstrates
effective
dual‐sensitivity
responses
to
nitrogen
dioxide
(NO
2
)
gas
stress‐strain
behaviors
at
room
temperature.
structural
characterization
theoretical
calculations
affirm
that
innovative
treatment
method
successfully
introduces
defects
into
ZIF‐8,
resulting
significant
2.57‐fold
improvement
response
intensity
80
ppm
NO
.
Stress‐strain
sensing
performance
analysis
reveals
exhibited
high
sensitivity
(6.44
kPa
−1
),
rapid
recovery
times
(0.7/0.4
s),
exceptional
cyclic
stability
(8000
cycles).
Further,
inhibitory
effect
ZIF‐8
common
strains
contributes
properties
(antibacterial
rate
exceeding
99%)
Def‐ZIF‐8/PPY/BC
based
sensor.
This
study
offers
advancement
metal‐organic
framework
defect
engineering
provides
an
strategy
developing
sensors.
ACS Applied Electronic Materials,
Journal Year:
2024,
Volume and Issue:
6(5), P. 3717 - 3725
Published: May 8, 2024
While
the
majority
of
reports
on
toluene
gas
sensors
are
rigid
electrodes
and
based
composite
materials,
doping
with
additional
noble
metals,
or
a
high
temperature
detection
method,
this
work
is
first
demonstration
vanadium
carbide
(V2C)
MXene
flexible
room-temperature
(RT)
sensor.
The
V2C
synthesized
by
an
HF
etching
route.
field
emission
scanning
electron
microscopy
(FESEM)
transmission
(TEM)
images
exhibit
typical
accordion-like
multilayered
structure
MXene,
where
Fourier-transform
infrared
spectroscopy
(FTIR),
Raman,
X-ray
photoelectron
(XPS)
data
further
ensured
its
successful
growth.
(band
gap
3.9
eV)
sensor
employing
polyester
substrate,
displays
good
reproducibility,
quick
response/recovery
time
(14
s/34
s),
long-term
stability,
cross-selectivity,
low
limit
47.85
ppb
over
linear
region
5–200
ppm
at
RT
(27
±
1
°C).
effect
relative
humidity
(RH)
toward
sensing
has
also
been
investigated
here.
This
shows
excellent
response
775%
200
toluene,
brilliant
selectivity
six
other
hazardous
gases.
sensor's
plentiful
surface
functional
groups
(−F,
−OH,
−O)
superior
electrical
characteristics
responsible
for
enhanced
performance.
In
light
this,
can
be
smart
way
to
fabricate
next-generation
sensors.
