ACS Materials Letters,
Journal Year:
2024,
Volume and Issue:
7(1), P. 149 - 155
Published: Dec. 6, 2024
Metal-oxide
semiconductor
sensing
materials
with
excellent
performance
are
highly
desired
for
the
detection
of
toxic,
volatile,
and
flammable
gases.
However,
lack
material
structure–property
relationships
gas-sensing
mechanisms
has
severely
limited
rational
design
materials.
Herein,
we
try
to
understand
how
electronic
structure,
d-band
center,
atomic
orbital
bonding
influence
gas
adsorption
energy,
which
exhibits
a
strong
correlation
both
selectivity
sensitivity
As
result,
lattice
distortion
induced
by
introducing
heteroatoms
prompts
La
atoms
actively
participate
in
process,
leads
formation
multiatomic
hybridization
bonds,
significantly
increasing
energy
ethanol
acetone
molecules.
This
work
illustrates
that
creating
greater
is
an
effective
strategy
modulate
strength
adsorption,
important
guiding
synthesis
metal-oxide
ACS Sensors,
Journal Year:
2024,
Volume and Issue:
9(8), P. 3994 - 4006
Published: July 23, 2024
Detecting
and
distinguishing
between
hazardous
gases
with
similar
odors
by
using
conventional
sensor
technology
for
safeguarding
human
health
ensuring
food
safety
are
significant
challenges.
Bulky,
costly,
power-hungry
devices,
such
as
that
used
gas
chromatography-mass
spectrometry
(GC-MS),
widely
employed
sensing.
Using
a
single
chemiresistive
semiconductor
or
electric
nose
(e-nose)
to
achieve
this
objective
is
difficult,
mainly
because
of
its
selectivity
issue.
Thus,
there
need
develop
new
materials
tunable
versatile
sensing
characteristics.
Phase
engineering
two-dimensional
better
utilize
their
physiochemical
properties
has
attracted
considerable
attention.
Here,
we
show
MoSe
ACS Sensors,
Journal Year:
2024,
Volume and Issue:
9(11), P. 6148 - 6156
Published: Nov. 12, 2024
The
detection
of
acetone
in
human
exhaled
breath
is
crucial
for
the
noninvasive
diagnosis
diabetes.
However,
direct
and
reliable
with
high
humidity
at
parts
per
billion
level
remains
a
great
challenge.
Here,
an
ultrasensitive
gas
sensor
based
on
K/Sn-Co
