Frontiers in Chemistry,
Год журнала:
2024,
Номер
12
Опубликована: Май 1, 2024
One-step
hydrothermal
method
has
been
used
to
synthesize
YMnO
3
@NiO
(YMO@NO)
photocatalysts
with
high
photocatalytic
activity
for
the
degradation
of
oil
and
gas
field
wastewater
under
simulated
solar
irradiation.
Through
various
characterization
methods,
it
confirmed
that
YMO@NO
photocatalyst
comprises
only
YMO
NO,
without
any
other
impurities.
The
microstructure
was
composed
large
squares
fine
particles,
heterojunction
formed
at
interface
NO.
optical
properties
confirm
UV-vis
absorption
coefficient,
suggesting
activity.
Taking
as
object,
showed
highest
(98%)
when
catalyst
content
1.5
g/L,
mass
percentage
NO
3%,
irradiation
time
60
min.
Capture
stability
experiments
is
recyclable
electrons,
holes,
hydroxyl
radicals
superoxide
play
major
roles
in
photocatalysis
process.
Based
on
theoretical
calculations,
a
reasonable
mechanism
proposed.
Frontiers in Chemistry,
Год журнала:
2024,
Номер
12
Опубликована: Май 1, 2024
One-step
hydrothermal
method
has
been
used
to
synthesize
YMnO
3
@NiO
(YMO@NO)
photocatalysts
with
high
photocatalytic
activity
for
the
degradation
of
oil
and
gas
field
wastewater
under
simulated
solar
irradiation.
Through
various
characterization
methods,
it
confirmed
that
YMO@NO
photocatalyst
comprises
only
YMO
NO,
without
any
other
impurities.
The
microstructure
was
composed
large
squares
fine
particles,
heterojunction
formed
at
interface
NO.
optical
properties
confirm
UV-vis
absorption
coefficient,
suggesting
activity.
Taking
as
object,
showed
highest
(98%)
when
catalyst
content
1.5
g/L,
mass
percentage
NO
3%,
irradiation
time
60
min.
Capture
stability
experiments
is
recyclable
electrons,
holes,
hydroxyl
radicals
superoxide
play
major
roles
in
photocatalysis
process.
Based
on
theoretical
calculations,
a
reasonable
mechanism
proposed.
