Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 22, 2025
Abstract
Advanced
oxidation
processes
(AOPs)
by
carbon‐based
single‐atom
catalysts
(SACs)
are
recognized
as
an
attractive
scientific
frontier
for
water
treatment,
with
the
outstanding
benefits
of
ultra‐effective
and
anti‐interference
capability.
However,
most
research
has
paid
more
attention
to
performance
SACs,
while
in‐depth
understanding
catalytic
regulation
molecular
interaction
is
relatively
deficient.
This
critical
review
delves
into
deciphering
mechanism
through
a
micro‐level,
which
makes
it
convenient
interpret
apparent
phenomena.
It
first
summarizes
basic
theories
quantum
chemistry,
provide
interpretation
prediction
molecular‐oxidation
systems.
Additionally,
corresponding
pathways
common
oxidants
underscored.
Following
oxidants,
state‐of‐the‐art
methods
discussed
special
involved
interactions
pollutants.
Particularly,
preliminary
insights
“oxidant‐catalyst‐pollutants”
internal
relationships
provided
help
construct
SAC‐AOP
system
from
standpoint.
Meanwhile,
some
cutting‐edge
laboratory
devices
pilot‐scale
engineering
presented
illustrate
ultimate
purpose
exploration.
Eventually,
relative
challenges
SACs‐AOPs
upon
design
systems
investigation
provided.
aims
promote
large‐scale
potential
SACs‐based
AOPs
in
practical
treatment
emphasizing
pivotal
role
micro‐insights.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 3, 2025
Abstract
To
achieve
high
selectivity
in
the
transformation
from
peroxymonosulfate
to
singlet
oxygen,
adaptive
tuning
of
atomic
spin
state
as
structure
varied
is
crucial.
The
angstrom
confinement
can
effectively
tune
state,
but
developing
an
angstrom‐confined
system
challenging.
Angstrom‐confined
cobalt
(Co)
manganese
(Mn)
dual
single
atoms
within
flexible
2D
carbon
nitride
interlayer
are
constructed
drive
by
changing
coordination
under
confinement.
situ
characterizations
and
density
functional
theory
calculations
showed
that
medium‐spin
Co
Co─N
4
absorbed
electrons
after
adsorption
on
CoMn
single‐atom
sites
then
cleaved
O─H
facilitate
*
SO
5
generation,
while
introduction
increased
distance
Mn─N,
resulting
transition
medium
high.
Subsequently,
high‐spin
Mn
2
Mn─N
desorbed
O
,
restoring
initial
state.
enhanced
38.6‐fold
oxygen
yield
compared
unconfined
control.
proposed
diatomic
strategy
applicable
serial
catalysts,
providing
efficient
universal
design
scheme
for
oxygen‐mediated
selective
wastewater
treatment
technology
at
level.
