Advanced Sensor Research,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 2, 2025
Abstract
Real‐time
monitoring
of
public
safety,
individual
health,
and
environmental
conditions
relies
on
accurate
continuous
data
collected
by
gas
sensors,
which
provide
users
with
cost‐effective
insights
to
support
informed
decision‐making.
This
study
presents
an
innovative
approach
that
simplifies
the
manufacturing
process
nanowire
(NW)‐based
sensors
enabling
direct
electrodeposition
NW
crystals
various
substrates,
such
as
silicon
wafers
polyethylene
terephthalate
(PET).
Copper
7,7,8,8‐Tetracyanoquinodimethane
(CuTCNQ),
a
charge‐transfer
complex,
is
electrodeposited
directly
onto
photolithographically
patterned
interdigitated
triangle‐tip
electrodes
functions
chemiresistive
sensor
responds
ammonia
through
charge
interactions.
The
sensor's
performance
can
be
precisely
controlled
using
electrochemical
techniques,
allowing
for
tailored
sensitivity
across
different
concentration
ranges.
To
enhance
practical
application
this
technology,
flexible,
near‐field
communication‐based
passive
tag
developed
integrating
CuTCNQ
flexible
printed
circuit
board.
device
enables
on‐demand
analysis
operates
battery‐free
wireless
mobile
phone
scanning.
capability
crucial
wearable
or
industrial
devices
aligns
increasing
demand
robust
solutions.
represents
significant
step
forward
in
improving
both
human
health
protection
accessible
efficient
sensing
technology.
Accounts of Chemical Research,
Journal Year:
2024,
Volume and Issue:
57(16), P. 2395 - 2413
Published: Aug. 5, 2024
ConspectusGas
sensors
are
used
in
various
applications
to
sense
toxic
gases,
mainly
for
enhanced
safety.
Resistive
particularly
popular
owing
their
ability
detect
trace
amounts
of
high
stability,
fast
response
times,
and
affordability.
Semiconducting
metal
oxides
commonly
employed
the
fabrication
resistive
gas
sensors.
However,
these
often
require
working
temperatures,
bringing
about
increased
energy
consumption
reduced
selectivity.
Furthermore,
they
do
not
have
enough
flexibility,
performance
is
significantly
decreased
under
bending,
stretching,
or
twisting.
To
address
challenges,
alternative
materials
capable
operating
at
lower
temperatures
with
flexibility
needed.
Two-dimensional
(2D)
such
as
MXenes
transition-metal
dichalcogenides
(TMDs)
offer
surface
area
conductivity
unique
2D
structure,
making
them
promising
candidates
realization
Nevertheless,
sensing
pristine
form
typically
weak
unacceptable,
terms
response,
selectivity,
recovery
time
(
Sensors,
Journal Year:
2023,
Volume and Issue:
23(20), P. 8648 - 8648
Published: Oct. 23, 2023
With
a
rising
emphasis
on
public
safety
and
quality
of
life,
there
is
an
urgent
need
to
ensure
optimal
air
quality,
both
indoors
outdoors.
Detecting
toxic
gaseous
compounds
plays
pivotal
role
in
shaping
our
sustainable
future.
This
review
aims
elucidate
the
advancements
smart
wearable
(nano)sensors
for
monitoring
harmful
pollutants,
such
as
ammonia
(NH3),
nitric
oxide
(NO),
nitrous
(N2O),
nitrogen
dioxide
(NO2),
carbon
monoxide
(CO),
(CO2),
hydrogen
sulfide
(H2S),
sulfur
(SO2),
ozone
(O3),
hydrocarbons
(CxHy),
fluoride
(HF).
Differentiating
this
from
its
predecessors,
we
shed
light
challenges
faced
enhancing
sensor
performance
offer
deep
dive
into
evolution
sensing
materials,
substrates,
electrodes,
types
sensors.
Noteworthy
materials
robust
detection
systems
encompass
2D
nanostructures,
nanomaterials,
conducting
polymers,
nanohybrids,
metal
semiconductors.
A
dedicated
section
dissects
significance
circuit
integration,
miniaturization,
real-time
sensing,
repeatability,
reusability,
power
efficiency,
gas-sensitive
material
deposition,
selectivity,
sensitivity,
stability,
response/recovery
time,
pinpointing
gaps
current
knowledge
offering
avenues
further
research.
To
conclude,
provide
insights
suggestions
prospective
trajectory
nanosensors
addressing
extant
challenges.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(7), P. 3771 - 3806
Published: Jan. 1, 2024
Gas
sensors
that
exhibit
high
sensitivity
and
possess
astonishingly
low
detection
limits
are
appealing
for
a
wide
range
of
practical
applications,
such
as
real-time
environmental
monitoring,
exhaled
breath
diagnostics,
security,
medical
diagnosis
the
quality
food
analysis.
