The
efficiency
of
producing
reactive
species
in
advanced
oxidation
processes
was
one
the
biggest
challenges
increasing
performance
heterogeneous
catalysts.
confined
catalyst
synthesized
by
encapsulating
CoFe2O4
spinel
carbon
nanotube
(CNT)
towards
activation
peroxymonosulfate
(PMS).
This
not
only
exhibited
superior
catalytic
property
for
sulfamethoxazole
degradation,
but
also
rapidly
degrade
91%
(SMX)
within
10
min.
CNT
provided
an
ideal
nanoconfined
environment
formation
and
growth
nanoparticles.
effect
CoFe2O4@CNT
PMS
could
be
improved
two
ways:
(i)
contact
probability
between
SMX
PMS;
(ii)
enhancing
electron
transfer
process.
interactions
micropollutants,
oxygenants
catalysts
strengthened
effects
1O2
triggered
as
main
degradation.
Moreover,
encapsulated
improved,
further
influencing
stability.
recyclability
denoted
87%
removal
up
to
5th
run
usage.
ACS Catalysis,
Год журнала:
2024,
Номер
14(17), С. 12991 - 13014
Опубликована: Авг. 15, 2024
Single-atom
catalysts
(SACs)
exhibit
remarkable
100%
atomic
economy,
making
them
highly
efficient
in
various
fields,
including
production
processes,
energy
systems,
and
environmental
remediation.
However,
the
migration
agglomeration
of
single
atoms
significantly
diminish
reactivity
increase
operating
cost
catalyst.
Due
to
size
effect,
space
confinement
electron
are
stabilized,
overall
catalytic
performance
is
also
improved.
The
effect
can
be
enhanced
by
modifying
supporting
materials
with
ordered
regular
pore
structures
improving
binding
mode
between
support
atom.
In
this
Review,
confined
functional
structure
will
explained
for
synthesis
SACs.
It
elucidates
mechanisms
formation
elaborates
how
improves
performance.
This
Review
helpful
better
understanding,
controlling,
utilizing
design
SACs
impressive
Chemical Communications,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
The
high
reactivity
of
indole
and
formaldehyde
has
been
successfully
controlled
through
the
confinement
effect
MOF,
enabling
highly
selective
synthesis
novel
oxazole
compounds
via
a
specific
reaction
pathway.
New Journal of Chemistry,
Год журнала:
2024,
Номер
48(6), С. 2842 - 2848
Опубликована: Янв. 1, 2024
Core–shell
nanoparticles
can
be
used
as
catalysts.
CeO
2
@TiO
catalysts
with
a
higher
proportion
of
rutile
have
better
activity
in
CO
oxidation.
Dyes
oxidation
proceeds
most
efficiently
on
Fe-composites
anatase
and
brookite.