Sustainability,
Journal Year:
2022,
Volume and Issue:
14(18), P. 11516 - 11516
Published: Sept. 14, 2022
Ambient
air
quality
is
a
complex
issue
that
depends
on
multiple
interacting
factors
related
to
emissions
coming
from
energy
production
and
use,
transportation,
industrial
processes,
agriculture,
waste
wastewater
treatment
sectors.
It
also
impacted
by
adverse
meteorological
conditions,
pollutants
concentrations,
their
transport
dispersion
in
the
atmosphere,
topographic
constraints.
Therefore,
distribution
not
uniform
monitoring
at
proper
temporal
spatial
resolution
necessary.
Drone-borne
analytical
instrumentation
can
fulfill
these
requirements.
Thanks
rapid
development
drone
manufacturing
sector
as
well
field
of
portable
detectors
construction,
applications
unmanned
aerial
vehicles
(UAVs)
for
atmospheric
pollution
are
growing.
The
purpose
this
work
give
an
overview
matter.
paper
contains
basic
information
UAVs
(i.e.,
description
different
types
drones
with
advantages
disadvantages)
low-cost
gas
sensors,
multi-sensor
systems,
electronic
noses,
high-accuracy
optical
analyzers,
particle
counters,
radiation
detectors)
used
airborne
pollution.
Different
ways
payload
integration
addressed
examples
commercially
available
solutions
given.
Examples
drone-borne
systems
natural
volcanoes,
thawing
permafrost,
wildfires)
anthropological
urbanization
industrialization;
extraction,
storage
fossil
fuels;
exploitation
radioactive
materials;
treatment;
agriculture)
sources
described.
Finally,
current
limitations
future
perspectives
discussed.
Although
there
great
potential
monitoring,
several
should
be
years.
Future
research
focus
improving
performances
solving
problems
insufficient
capacity
limited
flight
time
commonly
drones.
We
predict
drone-assisted
measurements
will
grow
following
years,
especially
odor
monitoring.
Nano-Micro Letters,
Journal Year:
2022,
Volume and Issue:
14(1)
Published: Oct. 21, 2022
Abstract
With
the
rapid
development
of
Internet
Things,
there
is
a
great
demand
for
portable
gas
sensors.
Metal
oxide
semiconductors
(MOS)
are
one
most
traditional
and
well-studied
sensing
materials
have
been
widely
used
to
prepare
various
commercial
However,
it
limited
by
high
operating
temperature.
The
current
research
works
directed
towards
fabricating
high-performance
flexible
room-temperature
(FRT)
sensors,
which
effective
in
simplifying
structure
MOS-based
reducing
power
consumption,
expanding
application
devices.
This
article
presents
recent
progress
FRT
sensors
terms
mechanism,
performance,
flexibility
characteristics,
applications.
review
comprehensively
summarizes
discusses
five
types
including
pristine
MOS,
noble
metal
nanoparticles
modified
organic
polymers
carbon-based
(carbon
nanotubes
graphene
derivatives)
two-dimensional
transition
dichalcogenides
MOS.
effect
light-illuminated
improve
performance
further
discussed.
Furthermore,
applications
future
perspectives
also
ACS Sensors,
Journal Year:
2022,
Volume and Issue:
7(8), P. 2104 - 2131
Published: Aug. 1, 2022
The
increasing
demand
for
food
production
has
necessitated
the
development
of
sensitive
and
reliable
methods
analysis,
which
allow
optimization
storage
distribution
while
ensuring
safety.
Methods
to
quantify
monitor
volatile
biogenic
amines
are
key
minimizing
waste
high-protein
foods
enable
safe
consumption
fresh
products.
Novel
materials
device
designs
have
allowed
portable
sensors
that
make
use
different
transduction
amine
detection
quality
monitoring.
Herein,
we
review
past
decade's
advances
in
First,
role
as
a
food-quality
index
is
presented.
Moreover,
comprehensive
overview
distinct
gas
provided
according
method,
operation
strategies,
(e.g.,
metal
oxide
semiconductors,
conjugated
polymers,
carbon
nanotubes,
graphene
its
derivatives,
transition
dichalcogenides,
organic
frameworks,
MXenes,
quantum
dots,
dyes,
among
others)
employed
each
case.
These
include
chemoresistive,
fluorometric,
colorimetric,
microgravimetric
sensors.
Emphasis
also
given
sensor
arrays
record
fingerprints
wireless
devices
operate
radiofrequency
identification
(RFID)
tags.
Finally,
challenges
future
opportunities
on
new
presented
aiming
encourage
further
research
technological
reliable,
integrated,
remotely
accessible
Nanomaterials,
Journal Year:
2021,
Volume and Issue:
11(9), P. 2318 - 2318
Published: Sept. 6, 2021
Nanoscience
enables
researchers
to
develop
new
and
cost-effective
nanomaterials
for
energy,
healthcare,
medical
applications.
Silver
nanoparticles
(Ag
NPs)
are
currently
increasingly
synthesized
their
superior
physicochemical
electronic
properties.
Good
knowledge
of
these
characteristics
allows
the
development
applications
in
all
sensitive
essential
fields
service
humans
environment.
This
review
aims
summarize
Ag
NPs
synthesis
methods,
properties,
applications,
future
challenges.
Generally,
can
be
using
physical,
chemical,
biological
routes.
Due
great
increasing
demand
metal
oxide
nanoparticles,
have
invented
a
new,
environmentally
friendly,
inexpensive
synthetic
method
that
replaces
other
methods
with
many
defects.
Studies
increased
after
clear
substantial
support
from
governments
nanotechnology.
most
widely
due
various
potent
Thus,
this
comprehensive
discusses
different
procedures
NPs.
Frontiers in Materials,
Journal Year:
2022,
Volume and Issue:
9
Published: July 1, 2022
Fluorescent
carbon
nanoparticles
also
termed
as
quantum
dots
(CQDs)
have
attracted
so
much
interest
when
compared
to
the
traditional
semiconductor
due
their
applications
in
chemical
sensing,
biomedical
imaging,
nanotechnology,
photovoltaics,
light-emitting
diodes
(LEDs),
and
electrochemistry.
Along
with
optical
features,
CQDs
desired
properties
such
less
toxicity,
environmentally
friendly
nature,
inexpensive,
simple
preparation
processes.
In
addition,
can
physical
controlled
by
surface
passivation
functionalization.
This
article
provides
an
account
of
because
distinct
characteristics
considerable
capacity
diverse
applications.
The
is
categorized
into
various
sections
that
highlight
synthesis
methodologies
advantages/disadvantages
potential
sensors,
bio-imaging,
drug
delivery,
solar
cells,
supercapacitors.
different
be
demonstrated
methods.
We
discussed
gas
sensing
briefly
provided
a
brief
overview
osmotic
power
generation
using
for
energy
Journal of The Electrochemical Society,
Journal Year:
2022,
Volume and Issue:
169(5), P. 057518 - 057518
Published: May 1, 2022
Gas
sensors
are
frequently
used
for
detecting
toxic
gases
and
vapors
environmental
control,
industrial
monitoring
household
safety.
Semiconductor
conductivity
can
be
modified
by
doping
or
fine-tuned
applying
an
electric
magnetic
field
in
ultra-wide
range
(10
−7
S
cm
−1
to
10
2
).
The
conduction
of
semiconductor
is
significantly
raised
reduced
upon
the
exposure
external
conditions,
such
as
temperature
variation,
light,
heat,
mechanical
stress
chemicals.
Thus,
semiconductors
excellent
materials
device
structures
critical
sensing
performance.
commonly
include
Si,
Ge,
III–V,
metal
oxide
semiconductors.
Recently
carbon-based
gain
signification
attention
due
their
unique
electrical,
optical
properties.
There
two
major
gas
sensors:
resistor-based
FET-based
sensors.
In
this
review,
materials,
sensor
structure
well
mechanisms
will
systematically
categorized,
described
explored,
with
focus
on
oxides,
GaN,
SiC,
2D-TMD
recent
progress
new
thoroughly
reviewed
summarized,
a
hope
show
trend
technology.
Abstract
Air
pollutants
originating
from
various
sources
like
vehicular
emission,
power
stations,
factories,
refineries,
industrial
emissions,
and
burning
of
garbage
in
open
laboratories,
include
many
toxic
gases
hydrogen
chloride
(HCl),
sulfide
(H
2
S),
volatile
organic
compounds
(VOCs)
benzene,
toluene,
xylene,
so
on,
ammonia
(NH
3
),
carbon‐monoxide
(CO),
carbon‐dioxide
(CO
)
nitrogen
oxides
(NOx),
that
are
constantly
released
into
the
atmosphere
continuously
deteriorating
our
natural
environment
surroundings.
These
create
harmful
effects
on
ecosystem
affect
human
health.
Though
there
devices
available
for
monitoring
these
gases,
they
very
expensive
time‐consuming.
Since
safety
life
health,
plants,
animals,
their
surrounding
area
topmost
priority,
thus
is
a
significant
need
to
develop
user‐friendly
environmentally
friendly
sensing
real‐time
air
pollutant
which
extremely
hazardous
environment,
breathable
air,
Extensive
research
has
been
made
by
researchers
an
ideal
sensor
suitable
can
be
within
reach
masses.
This
review
article
presents
different
types
gas
sensors
technologies
work
upon.
We
have
also
discussed
with
principle
operation.
The
working,
advantages,
disadvantages
each
type
compared
other.
Despite
extensive
over
several
years
highly
sensitive,
selective,
quick
response
detection
flammable
future
scope
perspective
scientists
proposed
at
end
this
article.
Journal of Materials Chemistry A,
Journal Year:
2023,
Volume and Issue:
11(17), P. 9216 - 9238
Published: Jan. 1, 2023
Surface
acoustic
wave
(SAW)
technology
has
been
extensively
used
in
communications
and
sensing
applications.
This
review
summarizes
the
recent
advancement
of
micro-
nanostructured
materials
enhancing
gas
performance
SAW
devices.