Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
34(6)
Published: Oct. 22, 2023
Abstract
The
widely
discussed
single‐atom
catalysts
(SACs)
are
regarded
as
a
kind
of
attractive
material
for
sulfate
radical‐based
advanced
oxidation
processes
(SR‐AOPs)
owing
to
their
maximum
atomic
utilization
efficiency
and
outstanding
stability.
Currently,
metal–organic
frameworks
(MOFs)
have
appeared
prospective
precursors
building
SACs
due
extensive
chelating
sites,
functional
adjustability,
structural
tunability.
However,
there
few
critical
systematic
reviews
about
the
application
MOF‐derived
in
SR‐AOPs,
especially
in‐depth
analysis
mechanisms.
Therefore,
this
review
seeks
offer
thorough
summary
development
SR‐AOPs.
First,
unique
advantages
MOFs
derivative
thoroughly.
Afterward,
current
synthesis
strategies
elaborated
categorically
unveil
formation
process
single
atoms
coordination
environments.
Notably,
roles
different
reaction
sites
including
generation
reactive
species
mediating
electron
transfer
further
analyzed
explain
mechanisms
comprehensively.
Thereafter,
characterization
techniques
theoretical
calculations
studies
also
highlighted.
Eventually,
insights
into
present
challenges
future
developments
proposed,
which
expected
enhance
catalytic
Environmental Science and Pollution Research,
Journal Year:
2024,
Volume and Issue:
31(16), P. 24153 - 24162
Published: March 4, 2024
Abstract
The
photo-thermal
activation
of
persulfate
(PS)
was
carried
out
to
degrade
various
pollutants
such
as
reactive
blue-222
(RB-222)
dye,
sulfamethazine,
and
atrazine.
Optimizing
the
operating
parameters
showed
that
using
0.90
g/L
PS
at
pH
7,
temperature
90
°C,
initial
dye
concentration
21.60
mg/L,
reaction
time
120
min
could
attain
a
removal
efficiency
99.30%.
degradation
mechanism
explored
indicating
hydroxyl
sulfate
radicals
were
prevailing
species.
percentages
10
mg/L
sulfamethazine
atrazine
83.30%
70.60%,
respectively,
whereas
mineralization
ratio
63.50%
in
case
real
textile
wastewater
under
optimal
conditions
min.
treatment
cost
per
1
m
3
appraised
be
1.13
$/m
which
assured
inexpensiveness
proposed
system.
This
study
presents
an
effective
low-cost
system
can
implemented
on
industrial
scale.
SusMat,
Journal Year:
2024,
Volume and Issue:
4(5)
Published: July 18, 2024
Abstract
Single‐atom
catalysts
(SACs)
have
rapidly
become
a
hot
topic
in
photocatalytic
research
due
to
their
unique
physical
and
chemical
properties,
high
activity,
selectivity.
Among
many
semiconductor
carriers,
the
special
structure
of
carbon
nitride
(C
3
N
4
)
perfectly
meets
substrate
requirements
for
stabilizing
SACs;
they
can
also
compensate
defects
C
materials
by
modifying
energy
bands
electronic
structures.
Therefore,
developing
advanced
‐based
SACs
is
great
significance.
In
this
review,
we
focus
on
elucidating
efficient
preparation
strategies
burgeoning
applications
SACs.
We
outline
prospective
enhancing
performance
future.
A
comprehensive
array
methodologies
presented
identifying
characterizing
This
includes
an
exploration
potential
atomic
catalytic
mechanisms
through
simulation
regulation
behaviors
synergistic
effects
single
or
multiple
sites.
Subsequently,
forward‐looking
perspective
adopted
contemplate
future
prospects
challenges
associated
with
encompasses
considerations,
such
as
loading,
regulatory
design,
integration
machine
learning
techniques.
It
anticipated
that
review
will
stimulate
novel
insights
into
synthesis
high‐load
durable
SACs,
thereby
providing
theoretical
groundwork
scalable
controllable
field.
