Journal of Hazardous Materials Advances,
Год журнала:
2023,
Номер
10, С. 100302 - 100302
Опубликована: Апрель 22, 2023
Electrocatalytic
oxidation
technology
can
degrade
organic
pollutants
into
tractable
intermediates
or
directly
H2O
and
CO2.
Exploiting
efficient
anode
material
is
a
hot
topic
in
the
field
of
wastewater
degradation.
Stainless
steel
felt
(SSF),
with
its
3D
structural
properties,
has
great
potential
as
an
alternative
substrate
for
dimensionally
stable
anodes
(DSAs).
Herein,
SSF/SnO2-Sb
was
constructed
by
electrodepositing
SnO2-Sb
coating
on
SSF
tetracycline
(TC)
Under
optimal
process
parameters,
resulting
(1.5At%Sb)
achieved
high
catalytic
efficiency
removal
rate
88.3%
TC
COD
80.6%
after
3
h
treatment
simulated
wastewater.
Importantly,
showed
superior
stability
due
to
formation
FeSn
FeSn2
alloy
between
substrate.
Detailed
investigation
revealed
that
·OH
radicals
generated
surface
play
critical
role
degradation
elaborated
possible
pathways
based
intermediates.
In
addition,
intrinsic
mechanism
also
summarized.
This
work
provides
SSF-based
DSA
Nanoscale Horizons,
Год журнала:
2023,
Номер
8(4), С. 441 - 452
Опубликована: Янв. 1, 2023
A
critical
review
of
built-in
electric
fields
for
the
applications
in
electrocatalytic
reactions
is
organized
by
focusing
on
fundamental
concepts,
modification
strategies,
and
positive
influences
promotion
catalytic
performance.
Inorganic Chemistry,
Год журнала:
2023,
Номер
62(4), С. 1659 - 1666
Опубликована: Янв. 17, 2023
Rational
design
of
fast
and
sensitive
determination
nitrite
(NO2-)
from
a
complicated
actual
sample
overtakes
crucial
role
in
constructing
high-efficiency
sensing
platform.
Herein,
visual
NO2-
platform
with
outstanding
selectivity,
sensitivity,
stability
based
on
surface
plasmon
resonance
(SPR)-enhanced
oxidase-like
activity
has
been
proposed.
Benefiting
the
intrinsic
photocatalytic
limited
light
penetration
ZnS,
ZnS
decorated
Ag
nanowires
(Ag@ZnS)
is
determined.
It
demonstrated
that
electrons
are
generated
efficiently
then
transferred
into
hot
help
localized
SPR
excitation,
thus
greatly
oxidating
colorless
3,3',5,5'-tetramethylbenzidine
(TMB)
to
produce
dark
blue
oxidized
TMB
(oxTMB).
When
added
reaction
system,
oxTMB
will
selectively
react
generate
diazotized
oxTMB,
leading
color
change
green
subsequently
yellow.
Owing
specific
recognition
between
recovery
catalytic
induced
an
enhanced
colorimetric
test
wider
linear
range
for
determination,
ultralow
detection
limit
0.1
μM,
excellent
practicability
application
real
samples.
This
plasmon-enhanced
not
only
provides
smart
approach
realize
assay
high
sensitivity
simplicity
but
also
modulates
activities.
Inorganic Chemistry Frontiers,
Год журнала:
2023,
Номер
10(7), С. 2067 - 2074
Опубликована: Янв. 1, 2023
A
sunflower-like
Ir,
Fe-codoped
Co(OH)
2
catalyst
assembled
by
nanosheets
is
designed
for
boosting
electrocatalytic
OER,
where
dual-cation
doping
can
significantly
decrease
the
energy
barrier
of
rate-determining
step
OER.
Advanced Materials,
Год журнала:
2024,
Номер
36(28)
Опубликована: Апрель 26, 2024
Metal
defect
engineering
is
a
highly
effective
strategy
for
addressing
the
prevalent
high
overpotential
issues
associated
with
transition
metal
oxides
functioning
as
dual-function
commercial
oxygen
reduction
reaction/oxygen
evolution
reaction
catalysts
increasing
their
activity
and
stability.
However,
formation
energy
of
defects
poses
challenge
to
development
strategies
precisely
control
selectivity
during
formation.
Here,
density
functional
theory
calculations
are
used
demonstrate
that
altering
pathway
releases
atoms
chlorides,
which
effectively
reduces
defects.
The
on
monometallic
oxide
surface
(Mn,
Fe,
Co,
Ni)
selectively
produced
using
chlorine
plasma.
characterization
reveal
catalytic
enhanced
owing
electronic
delocalization
induced
by
defects,
theoretical
overpotential.
Notably,
ab
initio
molecular
dynamics
calculations,
ex
situ
XPS,
in
ATR-SEIRAS
suggest
improve
adsorption
reactive
species
active
sites
enhance
efficiency
product
desorption,
thereby
boosting
performance.
The Chemical Record,
Год журнала:
2023,
Номер
23(4)
Опубликована: Фев. 20, 2023
Abstract
Ru‐based
materials
hold
great
promise
for
substituting
Pt
as
potential
electrocatalysts
toward
water
electrolysis.
Significant
progress
is
made
in
the
fabrication
of
advanced
electrocatalysts,
but
an
in‐depth
understanding
engineering
methods
and
induced
effects
still
their
early
stage.
Herein,
we
organize
a
review
that
focusing
on
strategies
substantial
improvement
electrocatalytic
OER
HER
performance
catalysts,
including
geometric
structure,
interface,
phase,
electronic
size,
multicomponent
engineering.
Subsequently,
enhancement
catalytic
by
these
are
also
elucidated.
Furthermore,
some
representative
applications
well
presented.
Finally,
challenges
prospects
elaborated
future
synthesis
more
effective
catalysts
boost
application.