Chemosensors,
Год журнала:
2024,
Номер
12(12), С. 268 - 268
Опубликована: Дек. 19, 2024
This
study
explores
the
surface
chemistry
and
electrical
responses
of
ultra-high-sensitivity
SnO2
MEMS
arrays
to
enable
a
novel
sequential
detection
methodology
for
detecting
nitrogen
dioxide
(NO2)
ethanol
(C2H5OH)
as
route
achieve
selective
gas
sensing
in
electronic
nose
(E-nose)
applications.
Utilizing
tin
oxide
(SnO2)
thin
films
deposited
via
atomic
layer
deposition
(ALD),
array
achieves
lowest
reported
limits
8
parts
per
billion
(ppb)
NO2.
The
research
delves
into
mechanisms
NO2
C2H5OH,
both
individually
subsequent
exposures,
assessing
sensor’s
dynamic
response
across
various
operating
temperatures.
It
demonstrates
rapid
recovery
times,
with
averages
48
s
277
40
C2H5OH.
Understanding
role
individual
gases
on
is
paramount
discerning
exposure
behavior.
oxidizing
behavior
C2H5OH
following
attributed
interactions
between
oxygen
vacancies
surface,
which
leads
formation
nitrate
or
nitrite
species.
These
species
subsequently
influence
inducing
properties,
need
be
carefully
considered.
Principal
component
analysis
(PCA)
was
used
further
improve
capability
precisely
identify
quantify
mixtures,
improving
its
applicability
real-time
monitoring
complex
scenarios.
CrystEngComm,
Год журнала:
2024,
Номер
26(26), С. 3547 - 3556
Опубликована: Янв. 1, 2024
3D
flower-like
NiWO
4
/WO
3
heterostructures
were
fabricated,
which
exhibit
high
sensitivity
and
a
low
detection
limit
to
TMA,
arising
from
synergistic
effects
structural
characteristics.
Macromolecular Materials and Engineering,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 27, 2025
Abstract
The
interfacial
aspects
of
fiber
composites
are
widely
favored.
Here,
three
composite
strategies
based
on
hot‐pressing,
electrospinning,
and
impregnation
PA6
fibers
presented
for
the
preparation
fiber‐reinforced
thermoplastic
polyurethane
(PA6/TPU)
composites.
morphologies
electrospun
fiber/matrix
interface
mechanical
properties
PA6/TPU
investigated.
Under
optimal
conditions,
tensile
strength,
Young's
modulus,
toughness
H‐PA6/TPU
respectively
29.45
±
1.477
MPa,
47.28
2.61
38.03
1.996
MJ
m
−3
.
E‐PA6/TPU
28.03
1.411
73.81
4.16
24.12
1.265
,
respectively.
I‐PA6/TPU
elongation
at
break
is
≈240%.
Moreover,
without
loss
TPU
properties,
method
effectively
improves
adhesion
between
matrix,
significantly
improved
even
if
content
low.
simple
to
operate
can
be
extended
other
polymers
