ChemSusChem,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 13, 2024
Abstract
The
abundant,
active,
and
acidic‐stable
catalysts
for
the
oxygen
evolution
reaction
(OER)
are
rare
to
proton
exchange
membrane‐based
water
electrolysis.
Mn‐based
materials
show
promise
as
electrocatalysts
OER
in
acid
electrolytes.
However,
relationship
between
stability,
activity
structure
of
acidic
environments
remains
unclear.
In
this
study,
phase‐pure
MnSb
2
O
6
was
successfully
prepared
investigated
a
catalyst
sulfuric
solution
(pH
2.0).
A
comprehensive
mechanistic
comparison
Mn
3
4
revealed
that
rate‐determining
step
on
is
direct
formation
IV
=O
from
II
−H
by
2H
+
/2e
−
process.
This
process
avoids
rearrangement
adjacent
III
intermediates,
leading
outstanding
stability
activity.
ACS Applied Engineering Materials,
Journal Year:
2024,
Volume and Issue:
2(6), P. 1663 - 1671
Published: June 4, 2024
The
food
industry
routinely
uses
synthetic
antioxidants,
which
have
garnered
a
great
deal
of
attention
due
to
the
toxicity
these
substances.
tert-Butylhydroquinone
(THQ)
is
phenolic
derivative
commonly
found
in
foods,
including
milk,
meat
products,
fried
baked
goods,
and
cooking
oil.
It
capable
causing
nutritional
issues
chronic
diseases
if
ingested
excess.
Food
safety
requires
precise
fast
THQ
detection
since
excessive
harms
human
health.
In
this
study,
nickel
tungstate
nanoparticles
(NiWO4)
were
synthesized
hydrothermally
further
utilized
as
an
electrode
material
for
electrochemical
detection.
prepared
NiWO4
nanoparticle's
physicochemical
properties
surface
morphologies
wisely
analyzed
using
analytical
methods.
Nyquist
plot
exhibits
smaller
Rct
value
132.15
Ω·cm2
with
higher
active
area
0.097
cm2
compared
bare
screen-printed
carbon
electrodes
(SPCEs).
Under
ideal
conditions,
NiWO4/SPCE
reduction
peak
potential
at
Epc
=
−0.19
V
good
linearity
from
0.01–20.90
20.90–557.1
μM
concentration
limit
0.002
(S/N
3)
anti-interfering
capabilities.
practicality
measurement
samples
was
successfully
tested,
recovery
ranges
(±96.8–99.8%)
demonstrated
promising
materials
accurate
sample
analysis.
Exploration,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 21, 2025
ABSTRACT
Atomic
layer
deposition
(ALD)
technique
has
emerged
as
a
fascinating
tool
for
the
design
and
synthesis
of
heterogeneous
catalysts
with
atomic
precision
energy
conversion,
generation,
storage
applications.
Here,
we
demonstrate
importance
ALD
catalyst
by
citing
recently
reported
works,
in
particular,
emphasis
been
given
to
surface/interface
engineering
improving
their
catalytic
efficiency
To
get
insight
into
reaction
mechanism,
ALD‐based
routes
may
revolutionize
field
sustainable
conversion
storage.
Moreover,
supported
nanoparticles
controlled
shape
size
attracted
great
attention
catalysis
owing
unique
properties.
By
taking
advantage
ALD,
it
is
possible
synthesize
at
scale,
particularly,
site‐selective
provides
tremendous
opportunities
selectivity
studies.
this
review
illustrates
diverse
limitations
energy‐related
applications
how
can
facilitate
overcoming
them.
Finally,
deliberate
advancement
on
design,
interface
catalysts,
outline
future
perspectives
technology
catalysis.
