ACS Applied Materials & Interfaces,
Journal Year:
2023,
Volume and Issue:
15(44), P. 51518 - 51526
Published: Oct. 25, 2023
Transition
metal
dichalcogenides
(TMDs)
have
gained
significant
attention
as
next-generation
semiconductor
materials
that
could
potentially
overcome
the
integration
limits
of
silicon-based
electronic
devices.
However,
a
challenge
in
utilizing
TMDs
semiconductors
is
lack
an
established
PN
doping
method
to
effectively
control
their
electrical
properties,
unlike
those
semiconductors.
Conventional
methods,
such
ion
implantation,
can
induce
lattice
damage
TMDs.
Thus,
chemical
methods
Schottky
barrier
while
minimizing
are
desirable.
Here,
we
focus
on
molybdenum
ditelluride
(2H-MoTe2),
which
has
hexagonal
phase
and
exhibits
ambipolar
field-effect
transistor
(FET)
properties
due
its
direct
band
gap
1.1
eV,
enabling
concurrent
transport
electrons
holes.
We
demonstrate
fabrication
p-
or
n-type
unipolar
FETs
MoTe2
using
self-assembled
monolayers
(SAMs)
dopants.
Specifically,
employ
1H,1H,2H,2H
perfluorooctyltriethoxysilane
(3-aminopropyl)triethoxysilane
SAMs
for
doping.
The
selective
increase
hole
electron
charge
capabilities
by
18.4-
4.6-fold,
respectively,
dipole
effect
SAMs.
Furthermore,
Raman
shift
SAM
coating
confirms
successful
Finally,
complementary
inverters
SAMs-doped
FETs,
exhibit
clear
full-swing
capability
compared
undoped
inverters.
Journal of Materials Chemistry C,
Journal Year:
2021,
Volume and Issue:
9(44), P. 15735 - 15754
Published: Jan. 1, 2021
In
recent
days,
a
new
class
of
2D
materials
called
MXenes
have
attracted
massive
attention.
The
current
review
focuses
on
the
synthesis
procedure,
general
properties
and
gas/VOC
sensing
performance
MXene-based
nanocomposites.
Nanotechnology,
Journal Year:
2022,
Volume and Issue:
33(25), P. 252001 - 252001
Published: March 15, 2022
Gas
sensors
have
been
widely
utilized
penetrating
every
aspect
of
our
daily
lives,
such
as
medical
industry,
environmental
safety
testing,
and
the
food
industry.
In
recent
years,
two-dimensional
(2D)
materials
shown
promising
potential
prominent
advantages
in
gas
sensing
technology,
due
to
their
unique
physical
chemical
properties.
addition,
ultra-high
surface-to-volume
ratio
surface
activity
2D
with
atomic-level
thickness
enables
enhanced
absorption
sensitivity.
Till
now,
different
techniques
developed
further
boost
performance
materials-based
sensors,
various
functionalization
Van
der
Waals
heterojunction
formation.
this
article,
a
comprehensive
review
advanced
devices
is
provided
based
on
materials,
focusing
two
principles
charge-exchange
oxygen
ion
adsorption.
Six
types
typical
sensor
are
introduced
discussion
latest
research
progress
future
perspectives.
Journal of Materials Chemistry C,
Journal Year:
2023,
Volume and Issue:
11(20), P. 6528 - 6549
Published: Jan. 1, 2023
Flexible/wearable
gas
sensor
technology
is
gaining
huge
interest
in
the
current
era
of
Internet
Things
for
its
applications
personal
environmental
monitoring,
healthcare,
and
safety.
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
(
