Recent Advances in Metal Oxide Semiconductor Heterojunctions for the Detection of Volatile Organic Compounds
Chemosensors,
Год журнала:
2024,
Номер
12(12), С. 244 - 244
Опубликована: Ноя. 22, 2024
The
efficient
detection
of
volatile
organic
compounds
(VOCs)
is
critically
important
in
the
domains
environmental
protection,
healthcare,
and
industrial
safety.
development
metal
oxide
semiconductor
(MOS)
heterojunction
gas-sensing
materials
considered
one
most
effective
strategies
to
enhance
sensor
performance.
This
review
summarizes
discusses
types
heterojunctions
their
working
principles,
enhancement
strategies,
preparation
methodologies,
applications
acetone
ethanol
detection.
To
address
constraints
pertaining
low
sensitivity,
sluggish
response/recovery
times,
elevated
operating
temperatures
that
are
inherent
VOC
sensors,
several
improvement
methods
proposed,
including
doping
with
metals
like
Ag
Pd,
incorporating
additives
such
as
MXene
polyoxometalates,
optimizing
morphologies
through
a
fine
design,
self-doping
via
oxygen
vacancies.
Furthermore,
this
work
provides
insights
into
challenges
faced
by
MOSs
heterojunction-based
gas
sensors
outlines
future
research
directions
field.
will
contribute
foundational
theories
overcome
existing
bottlenecks
MOS
technology
while
promoting
its
large-scale
application
disease
screening
or
agricultural
food
quality
assessments.
Язык: Английский
One-pot synthesis of hollow SnO2/Zn2SnO4 microcubes assembled by nanosheets for enhanced formaldehyde sensing performance
Ceramics International,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Язык: Английский
A review on stannate perovskites-based heterojunctions and their applications in the development of sustainable technologies and materials
Pramila Raina,
Tabassum Nike,
Deepika Kaushal
и другие.
Materials Science in Semiconductor Processing,
Год журнала:
2024,
Номер
188, С. 109224 - 109224
Опубликована: Дек. 21, 2024
Язык: Английский
Enhanced Gas Sensing Performance of Heterostructure Sensors Based on H-NCD, MoS₂, and Functionalized Graphene Oxide for Ethanol, NH₃, and NO₂ Detection
E3S Web of Conferences,
Год журнала:
2024,
Номер
588, С. 02004 - 02004
Опубликована: Янв. 1, 2024
This
study
investigates
the
gas-sensing
capabilities
of
heterostructure
sensors
based
on
hydrogen-terminated
nanocrystalline
diamond
(H-NCD),
molybdenum
disulfide
(MoS₂),
and
functionalized
graphene
oxide
(SH-GO,
GO)
for
detecting
ethanol,
ammonia
(NH₃),
nitrogen
dioxide
(NO₂)
gases
at
100
ppm
concentrations.
Sensors
were
tested
two
distinct
temperatures:
125°C
room
temperature
(22°C).
Among
sensors,
SH-GO/H-NCD
exhibited
highest
sensitivity
to
with
a
response
634%
22°C
554%
125°C.
The
Au
NPs/H-NCD
sensor
showed
second-best
ethanol
587%
For
NH₃,
demonstrated
best
value
76%,
while
temperature,
it
41%.
NO₂
sensing
negative
responses,
exhibiting
least
degradation
-47%
-19%
22°C.
results
highlight
those
combining
materials
into
heterostructures
significantly
enhances
gas
detection
performance,
even
showing
comparable
responses
commercial
sensors.
Язык: Английский