Frontiers in Chemistry,
Journal Year:
2024,
Volume and Issue:
12
Published: Nov. 27, 2024
With
the
continuous
advancement
of
smart
greenhouse
technologies,
digital
and
information-based
environmental
monitoring
has
emerged
as
a
focal
point
research.
The
development
high-performance
gas
sensors
is
central
to
achieving
this
objective.
In
recent
years,
MXene
materials
have
been
widely
applied
in
field
due
their
excellent
ion
mobility,
favorable
hydrophilicity,
outstanding
electronic
conductivity,
unique
physicochemical
properties.
Various
heterojunction
structures
synthesized
for
detection.
This
review
aims
summarize
current
state
research
on
Ti
RSC Advances,
Journal Year:
2025,
Volume and Issue:
15(4), P. 3040 - 3046
Published: Jan. 1, 2025
Acetone
is
harmful
to
the
environment
and
human
health.
Therefore,
research
on
acetone
sensors
for
its
high-efficiency
detection
necessary.
Herein,
an
α-Fe2O3-TiO2-MXene
heterojunction
was
synthesized
using
a
simple
precipitation
method,
sensitivity
towards
systematically
investigated.
The
response
value
of
sensor
based
50
ppm
24
at
150
°C,
which
more
than
one-quarter
that
pure
α-Fe2O3
(5.3).
best
recovery
time
were
10
s
6
s,
respectively.
also
showed
good
stability
selectivity.
excellent
gas
mainly
attributed
formation
heterojunctions,
improved
carrier-transport
efficiency
specific
surface
area
molecular
adsorption.
Small Methods,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 6, 2025
Gas
detection
has
become
a
popular
research
topic
in
the
field
of
environmental
protection
and
disease
because
concerning
increase
pollution
human
health
problems.
2D
MXenes
are
promising
candidates
for
room-temperature
gas
sensors
their
flexible
adjustable
material
compositions,
high
conductivities,
signal-to-noise
ratios,
surface
terminations.
This
paper
presents
prospects
sensors,
structure
MXenes,
potential
sensing
mechanisms
MXenes-based
sensors.
Applications
Ti3C2Tx,
V2CTx,
Nb2CTx,
Mo2CTx
different
gases
reviewed,
challenges
directions
applying
discussed.
review
provides
ideas
designing
novel
sensitive
materials
by
analyzing
value
sensor
field.
Micro and Nano Systems Letters,
Journal Year:
2025,
Volume and Issue:
13(1)
Published: April 22, 2025
Abstract
Hydrogen
sulfide
(H
2
S)
is
a
colorless,
flammable,
and
highly
toxic
gas
that
underscores
the
need
for
cost-effective,
energy-efficient,
simple,
convenient,
durable
detection
methods.
Resistive
sensors
based
on
inorganic
conductive
materials
organic
polymers
can
effectively
address
these
requirements.
This
review
discusses
hazards
of
H
S
reviews
capable
detecting
at
room
temperature,
including
those
metal
oxides,
MXene/carbon
materials,
p-type
polymers.
It
explores
mechanisms
behind
their
enhanced
response
such
as
utilizing
special
structures
(e.g.,
porous/hollow
nanospheres,
nanowires,
nanotubes,
nanocapsules)
to
increase
effective
surface
area
sensing
employing
particles
sensitization
improve
adsorption,
leveraging
heterojunctions
amplify
response.
Additionally,
this
highlights
limitations
provides
insights
further
development
low-power
resistive
sensors.
