ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(10), P. 11386 - 11400
Published: May 9, 2024
The
Mn–Co
dual-metal
oxide
is
recognized
as
an
effective
activator
for
peroxymonosulfate
(PMS),
but
its
activation
mechanism
remains
controversial.
In
this
study,
a
Co/Mn–C–N
(CMCN)
nanocatalyst
was
synthesized
using
simple
pyrolysis
method,
and
catalytic
activity
along
with
the
PMS
comprehensively
explored.
findings
indicated
that
synergistic
effect
of
Mn
Co
within
bimetallic
composition
significantly
enhanced
efficiency
CMCN
compared
to
those
individual
metal
oxides
(Mn–C–N
Co–C–N).
Bisphenol
A
underwent
successful
degradation
3
min
in
neutral
environment,
kinetic
rate
1.59
min–1
total
organic
carbon
removal
63.8%.
Moreover,
nanoparticles
demonstrated
remarkable
stability
reusability,
maintaining
their
efficacy
over
four
cycles.
Employing
series
experiments
analytical
characterizations,
novel
proposed,
involving
both
radical
nonradical
pathways.
This
involves
oxidation
pollutants
through
direct
electron
transfer
process
from
metastable
intermediate
complexes.
Notably,
CMCN/PMS
system
exhibited
robust
resistance
interference
factors.
research
provides
insights
into
development
composites
recalcitrant
water
pollutants.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(45)
Published: Aug. 27, 2023
Abstract
Core–shell
structures,
where
the
“guest”
material
is
encapsulated
within
a
protective
shell,
integrate
advantages
of
different
materials
to
enhance
overall
properties
composite.
Covalent–organic
frameworks
(COFs)
are
favorable
candidates
for
composing
core–shell
structures
due
their
inherent
porosity,
good
activity,
excellent
stability,
and
other
advantages.
In
particular,
COFs
as
shells
encapsulate
functional
becoming
increasingly
popular
in
fields
environmental
remediation
energy
conversion.
However,
there
lack
reviews
on
COF‐based
materials.
this
context,
review
provides
systematic
summary
current
research
composites.
First,
simple
classification
made
The
second
part
describes
main
synthesis
methods.
changes
brought
about
by
COF
shell
composites
applications
photocatalysis,
electrocatalysis,
adsorption,
sensing,
supercapacitors
then
emphasized.
Finally,
new
perspectives
future
development
challenges
presented.
purpose
study
provide
insights
into
design
application
Applied Materials Today,
Journal Year:
2024,
Volume and Issue:
36, P. 102053 - 102053
Published: Jan. 13, 2024
Organic
pollutants
are
harmful
to
the
environment
due
their
bio-accumulative
and
long-persistent
nature,
causing
adverse
effects
on
plants,
animals,
humans.
Their
rapid
spread
beyond
target
applications
in
ecosystem
could
be
responsible
for
various
fatal
diseases
eco
imbalances.
Conventional
techniques
removing
these
ineffective
because
of
high
solubility
water
nonbiodegradability.
In
contemporary
times,
we
have
witnessed
a
notable
surge
interest
advanced
oxidation
processes
(AOPs)
treatment
processes.
This
heightened
attention
is
attributed
exceptional
degradation
efficiency
recalcitrant
organic
pollutants.
review,
therefore,
focuses
copper-based
homogeneous
heterogeneous
catalysts
AOPs
that
offer
both
cost-effectiveness
performance.
Emphasis
placed
use
photocatalysis,
Fenton-like
process
(including
photo-Fenton
(Fe2+/UV/H2O2)),
persulfates
activation,
ultrasonic
irradiation.
The
catalytic
performance,
mechanism,
pathway
abatement
by
each
AOP
described
detail.
reusability,
stability,
factors
affecting
briefly
highlighted.
We
further
provide
perspectives
key
opportunities
challenges
associated
with
AOPs,
recommending
exploration
enhanced
future
studies.
