IEEE Sensors,
Journal Year:
2023,
Volume and Issue:
unknown, P. 1 - 4
Published: Oct. 29, 2023
In
this
work,
we
report
synthesis
of
tungsten
disulfide
(WS2)
platelets
from
sulfurization
commercial
trioxide
powder
$(\text{WO}_{3})$
using
hydrogen
free
atmospheric
pressure
chemical
vapor
deposition
(APCVD)
technique.
This
methodology
has
the
potential
to
be
scaled
up
industrial
scale
owing
its
high
yield,
reproducibility,
low
cost,
and
ease
operation.
Composition
morphological
investigations
revealed
total
conversion
metal
oxide
dichalcogenide
nanosheets.
Gas
sensing
results
showed
obtained
material
in
detecting
NO
2
at
room
temperature.
The
responses
were
remarkable,
stable
reproducible
towards
100
ppb
nitrogen
dioxide
(NO
).
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
124(17), P. 10112 - 10191
Published: Aug. 27, 2024
Two-dimensional
(2D)
transition
metal
dichalcogenide
(TMD)
heterostructures
have
attracted
a
lot
of
attention
due
to
their
rich
material
diversity
and
stack
geometry,
precise
controllability
structure
properties,
potential
practical
applications.
These
not
only
overcome
the
inherent
limitations
individual
materials
but
also
enable
realization
new
properties
through
appropriate
combinations,
establishing
platform
explore
physical
chemical
at
micro-nano-pico
scales.
In
this
review,
we
systematically
summarize
latest
research
progress
in
synthesis,
modulation,
application
2D
TMD
heterostructures.
We
first
introduce
techniques
for
fabricating
heterostructures,
examining
rationale,
mechanisms,
advantages,
disadvantages
each
strategy.
Furthermore,
emphasize
importance
characteristic
modulation
discuss
some
approaches
achieve
novel
functionalities.
Then,
representative
applications
Finally,
highlight
challenges
future
perspectives
synthesis
device
fabrication
provide
feasible
solutions.
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.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(14), P. 3341 - 3341
Published: July 16, 2024
Tungsten
disulfide
(WS2)
is
a
promising
material
with
excellent
electrical,
magnetic,
optical,
and
mechanical
properties.
It
regarded
as
key
candidate
for
the
development
of
optoelectronic
devices
due
to
its
high
carrier
mobility,
absorption
coefficient,
large
exciton
binding
energy,
polarized
light
emission,
surface-to-volume
ratio,
tunable
band
gap.
These
properties
contribute
photoluminescence
anisotropy.
characteristics
render
WS2
an
advantageous
applications
in
light-emitting
devices,
memristors,
numerous
other
devices.
This
article
primarily
reviews
most
recent
advancements
field
based
on
two-dimensional
(2D)
nano-WS2.
A
variety
advanced
have
been
considered,
including
diodes
(LEDs),
sensors,
field-effect
transistors
(FETs),
photodetectors,
emission
non-volatile
memory.
review
provides
guide
improving
application
2D
through
improved
methods,
such
introducing
defects
doping
processes.
Moreover,
it
great
significance
transition-metal
oxides
applications.
Polymers,
Journal Year:
2025,
Volume and Issue:
17(6), P. 752 - 752
Published: March 12, 2025
Electroconductive
textiles
(e-Textiles)
are
vital
in
developing
wearable
sensors
that
preserve
the
comfort
and
characteristics
of
textiles.
Among
two-dimensional
(2D)
transition
metal
dichalcogenides
(TMDs),
considered
a
promising
option
for
sensor
applications,
tungsten
di-selenide
(WSe2)
homostructures
have
been
used
as
humidity-
temperature-sensing
materials
e-textiles,
mentioned
first-of-its-kind
report.
Exfoliated
chemical
vapor
deposition
(CVD)-grown
2H-WSe2
nanosheets
were
dispersed
hydroalcoholic
solutions
using
an
amino-functionalized
silane
to
improve
dispersion.
Acrylic
thickener
was
added
create
2H-WSe2-based
pastes,
which
applied
onto
cotton
knife-over-roll
technique
obtain
thin,
flexible
electroconductive
coatings
on
Various
characterization
techniques
confirmed
even
distribution
2D-WSe2-based
fabrics
maintenance
textile
wearability.
The
conductivity
coated
measured
at
room
temperature
ranged
between
2.9
×
108
1.6
109
Ω
sq−1.
WSe2-based
functioned
well
resistance
humidity
detectors
within
30–90%
relative
(RH),
revealing
good
repeatability
sensitivity
after
multiple
exposure
cycles.
To
lesser
extent,
act
20–60
°C
with
limited
repeatability.
2D-based
exhibited
quadratic
dependence
characteristic
thermal
hysteresis.
This
proposed
strategy
marks
significant
milestone
scalable
2D
TMD-based
great
potential
sensing
devices.
Nanoscale,
Journal Year:
2024,
Volume and Issue:
16(27), P. 12883 - 12908
Published: Jan. 1, 2024
The
development
of
room
temperature
gas
sensors
will
be
achieved
by
combining
nanomaterials
with
different
dimensions,
along
modifying
the
surface
properties
in
terms
both
chemical
composition
and
electrical
attributes
these
materials.
