Analytical Methods,
Journal Year:
2024,
Volume and Issue:
16(27), P. 4644 - 4652
Published: Jan. 1, 2024
The
Ce
doped
ZnCo
2
O
4
HMS
based
sensor
shows
good
response
to
H
S
at
a
low
operating
temperature
of
160
°C,
exhibiting
excellent
selectivity,
repeatability,
and
reproducibility,
has
the
potential
for
long-term
monitoring
practical
application.
The Chemical Record,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 7, 2025
Abstract
In
the
contemporary
era
of
rapid
economic
growth,
addressing
energy
issue
constitutes
a
significant
subject.
contrast
to
traditional
fossil
energy,
fuel
cells,
through
specific
transformation
routes,
can
generate
more
and
reduce
pollution
under
same
conversion
relationship.
Direct
alcohol
as
type
proton
exchange
membrane
cell,
exhibit
relatively
superior
performance.
During
process
converting
chemical
into
electrical
efficiency
electrode
is
crucial
aspect
cell′s
performance,
thereby
giving
rise
electrocatalysis.
Nevertheless,
noble
metal
catalysts
employed
in
current
direct
cells
are
confronted
with
issues
such
high
cost,
susceptibility
poisoning,
poor
durability.
A
new
approach
these
problems
urgently
needed.
Loading
metals
onto
oxides
has
been
verified
an
effective
means.
Among
them,
tin
dioxide
attracted
attention
researchers
due
its
outstanding
stability,
anti‐toxicity,
positive
auxiliary
role
This
article
will
conduct
review
research
progress
loading
on
carriers
for
electrocatalytic
oxidation
small
molecule
alcohols
from
various
microstructures
methods.
Finally,
electrocatalysts
prospected.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 15, 2024
The
performance
consistency
of
the
gas
sensor
is
strongly
dependent
on
interface
binding
between
sensitive
materials
and
electrodes.
Traditional
powder
coating
methods
can
inevitably
lead
to
differences
in
terms
substrate-film
interaction
device
performance,
affecting
stability
lifetime.
Thus,
efficient
growth
substrates
crucial
essential
enhance
sensing
especially
for
stability.
Herein,
hierarchically
ordered
macro/mesoporous
WO
ACS Sensors,
Journal Year:
2024,
Volume and Issue:
9(8), P. 4007 - 4016
Published: July 30, 2024
Achieving
selective
detection
of
ppb-level
CO
is
important
for
air
quality
testing
at
industrial
sites
to
ensure
personal
safety.
Noble
metal
doping
enhances
charge
transfer,
which
in
turn
reduces
the
limit
oxide
gas
sensors.
In
this
work,
metal-organic
framework-derived
Au-doped
ACS Sensors,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 4, 2024
High
sensitivity,
low
concentration,
and
excellent
selectivity
are
pronounced
primary
challenges
for
semiconductor
gas
sensors
to
monitor
acetone
from
exhaled
breath.
In
this
study,
nitrogen-doped
carbon
quantum
dots
(N-CQDs)
with
high
reactivity
were
used
activate
dandelion-like
hierarchical
tungsten
oxide
(WO
Gas
sensors
for
real-time
monitoring
of
low
HCHO
concentrations
have
promising
applications
in
the
field
health
protection
and
air
treatment,
this
work
reports
a
novel
resistive
gas
sensor
with
high
sensitivity
selectivity
to
HCHO.
The
MOF-derived
hollow
In2O3
was
mixed
ZIF-67(Co)
calcined
twice
obtain
Co3O4/In2O3
(hereafter
collectively
termed
MZO-6)
composite
enriched
oxygen
vacancies,
tests
such
as
XPS
EPR
proved
that
strong
interfacial
electronic
coupling
increased
vacancies.
gas-sensitive
test
results
show
MZO-6
abundant
vacancies
has
higher
response
value
(11,003)
10
ppm
achieves
fast
response/recovery
time
(11/181
s)
at
lower
operating
temperature
(140
°C).
material
significantly
enhances
reduces
interference
common
pollutant
gases
ethanol,
acetone,
xylene.
There
is
no
significant
fluctuation
resistance
values
30-day
long-term
stability
test,
good
stability.
synergistic
effect
heterostructure
altered
formaldehyde
adsorption
intermediate
pathway
reduced
reaction
activation
energy,
enhancing
responsiveness
material.