Journal of Physics Condensed Matter,
Год журнала:
2023,
Номер
36(10), С. 105201 - 105201
Опубликована: Ноя. 27, 2023
Abstract
Four
kinds
of
spinel
NiAl
2
O
4
were
synthesized
by
the
polyacrylamide
gel
method
using
Al
(SO
)
3
·18H
and
Al(NO
·9H
as
aluminum
salts
anhydrous
NiSO
·6H
nickel
salts.
The
effects
different
on
structure,
optical
photocatalytic
activity
confirmed
various
characterizations.
There
is
no
NiO
impurity
in
with
salt,
while
,
C–O
functional
group
coexist
target
product
inhibits
system.
Based
experiment,
response
surface
methodology
free
radical
verification
influence
experimental
parameters
including
synthesis
pathway,
initial
drug
concentration,
pH
catalyst
content
main
active
species
involved
reaction
investigated.
degradation
percentage
salt
was
86.3%
at
concentration
50
mg
l
−1
=
5.33
1
g
.
mechanism
investigation
that
plays
dual
role
level
electron
transfer
tetracycline
hydrochloride
Environmental Science Nano,
Год журнала:
2024,
Номер
11(5), С. 1948 - 1966
Опубликована: Янв. 1, 2024
A
novel
CuAl
2
O
4
/MoS
/BaFe
12
19
photocatalyst
is
synthesized
that
simultaneously
couples
type
I
and
Z-scheme
heterojunctions
exhibits
high
photocatalytic
activity
for
the
degradation
of
TC
under
simulated
sunlight
irradiation.
Environmental Science & Technology,
Год журнала:
2024,
Номер
58(42), С. 18496 - 18507
Опубликована: Окт. 9, 2024
Advanced
oxidation
processes
(AOPs)
are
rapidly
evolving
but
still
lack
well-established
protocols
for
reliably
identifying
oxidative
reactive
species
(ORSs).
This
Perspective
presents
both
the
radical
and
nonradical
ORSs
that
have
been
identified
or
proposed,
along
with
extensive
controversies
surrounding
mechanisms.
Conventional
identification
tools,
such
as
quenchers,
probes,
spin
trappers,
might
be
inadequate
analytical
demands
of
systems
in
which
multiple
coexist,
often
yielding
misleading
results.
Therefore,
challenges
these
complex,
short-lived,
transient
must
fully
acknowledged.
Refining
methods
is
necessary,
supported
by
rigorous
experiments
innovative
paradigms,
particularly
through
kinetic
analysis
based
on
situ
spectroscopic
techniques
multiple-probe
strategies.
To
demystify
complex
ORSs,
future
efforts
should
made
to
develop
advanced
tools
strategies
enhance
mechanism
understanding.
In
addition,
integrating
real-world
conditions
into
experimental
designs
will
establish
a
reliable
framework
fundamental
studies,
providing
more
accurate
insights
effectively
guiding
design
AOPs.
Advanced Sustainable Systems,
Год журнала:
2023,
Номер
8(5)
Опубликована: Дек. 19, 2023
Abstract
A
simple
solution
combustion
method
is
used
to
synthesize
spinel
type
MgFe
2
O
4
(MFO)
and
CoCr
(CCO)
oxides,
which
are
combined
with
the
mechanical
mixing
construct
a
Z‐scheme
MFO/wt%CCO
heterojunction,
effectively
degraded
tetracycline
hydrochloride
(TC)
under
simulated
sunlight
irradiation.
Various
characterization
techniques
confirm
phase
structure,
composition,
near‐spherical
morphology,
ferromagnetic
behavior,
optical
properties,
photocatalytic
activity
of
heterojunction.
variety
environmental
experimental
parameters
confirmed
that
when
optimal
initial
TC
concentration
50
mg
L
−1
,
catalyst
content
1
g
−1,
pH
13,
degradation
percentage
by
MFO/75%CCO
composites
reached
89%.
Active
species
verification
experiments
showed
hole
(h
+
),
hydroxyl
radical
(•OH),
superoxide
(•O
−
)
main
active
in
reactions.
Based
on
mass
spectrometry,
toxicity
analysis,
energy
band
theory,
pathway,
toxicity,
mechanism
for
discussed
detail.
