ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(7), С. 9126 - 9136
Опубликована: Фев. 7, 2024
Gas
sensors
for
acetone
detection
have
received
considerable
attention
because
has
a
significant
influence
on
both
the
environment
and
human
health,
e.g.,
it
is
flammable
toxic
may
be
related
to
blood
glucose
levels.
However,
achieving
high
sensitivity
selectivity
at
low
concentrations
still
great
challenge
date.
Here,
we
report
unique
chemiresistive
gas
sensor
detection,
which
composed
of
In2O3
nanofibers
loaded
with
porous
Co-based
zeolitic
imidazolate
framework
(ZIF-67)-derived
Co3O4
cage
prepared
by
simple
electrospinning
solvothermal
methods.
The
ZIF-67-derived
oxide
cage/nanofiber
Co3O4/In2O3
heterostructure
abundant
reversible
active
adsorption/reaction
sites
type-I
heterojunction,
resulting
in
an
ultrasensitive
response
954–50
ppm
300
°C.
In
addition,
demonstrates
limit
18.8
ppb,
fast
time
4
s,
good
repeatability,
acceptable
humidity
interference,
long-term
stability.
With
such
excellent
sensing
performance
acetone,
our
could
potentially
applied
environmental
monitoring
early
diagnosis
diabetes.
