Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 30, 2024
Abstract
Despite
the
promising
potential
of
piezo‐catalysis
in
environmental
remediation
applications,
performance
various
piezoelectric
materials
still
suffer
from
low
carrier
concentrations,
limited
mobility,
and
rapid
recombination
electron‐hole
pairs,
reported
modification
strategies
are
quite
intricate
challenging
to
implement.
Herein,
MoS
2
with
varying
degrees
crystallinity
is
synthesized
through
drying
thermal
treatment
processes,
effect
crystal
engineering
on
piezo‐activated
peroxomonosulfate
(PAP)
system
investigated.
The
annealed
at
700
°C
(M‐700)
a
crystallization
60.4%
exhibited
superior
PAP
system,
which
can
degrade
99.6%
bisphenol
A
within
30
min
mineralization
rate
57.0%.
positive
correlation
among
catalysts,
parameters
(
d
33
)
piezo‐catalytic
certain
range
proposed.
From
density
functional
perturbation
theory
(DFPT),
crystalline‐amorphous
hybrid
M‐700
provided
an
appropriate
charge
transfer
rate,
electron
concentration,
mechanical
strength,
more
conducive
stimulate
active
species
chain
reaction
PMS.
This
study
provides
novel
method
for
improving
activities
holds
great
promise
water
pollution
treatment.
Environmental Science & Technology,
Год журнала:
2024,
Номер
58(37), С. 16621 - 16631
Опубликована: Авг. 21, 2024
Sunlight-responsive
minerals
contribute
significantly
to
biogeochemical
cycles
by
activating
oxygen
(O2)
generate
reactive
species
(ROS).
However,
the
role
of
crystal
water,
incorporated
into
through
hydration
during
rock
cycles,
in
O2
activation
remains
largely
unexplored.
Here,
we
construct
tungstite
models
containing
vacancies
elucidate
modulation
mineral-based
ROS
dynamics
synergy
between
vacancy
and
water.
Crystal
water
promotes
protonation
process
superoxide
anion
radicals
produce
hydrogen
peroxide
(H2O2)
alleviates
its
decomposition.
This
H2O2
photosynthesis
system
efficiently
eliminates
organic
pollutants
a
sequential
light–dark
reaction.
Furthermore,
this
effect
can
extend
other
metal
oxide
such
as
TiO2,
SnO2,
CuO,
ZnO,
Bi2O3.
Our
results
illuminate
an
overlooked
pathway
for
modulating
immobilized
hydrous
minerals,
playing
crucial
storage
migration
pollutant
natural
environment
throughout
day/night
cycle.
Environmental Science & Technology,
Год журнала:
2024,
Номер
58(45), С. 20181 - 20189
Опубликована: Окт. 29, 2024
Indirect
photolysis
driven
by
photochemically
produced
reactive
intermediates
(PPRIs)
is
pivotal
for
the
transformations
and
fates
of
pollutants
in
nature.
While
well-studied
bulk
water,
indirect
processes
at
environmental
interfaces
remain
largely
unexplored.
This
study
reveals
a
significant
acceleration
photodegradation
organic
soil-water
interface
wetlands.
Organic
experienced
ubiquitously
enhanced
interfaces,
with
rates
1.41
±
0.01
to
4.27
0.03-fold
higher
than
those
water.
enhancement
was
observed
across
various
natural
artificial
wetlands,
including
coastal
wetlands
rice
paddies.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 30, 2024
Abstract
Despite
the
promising
potential
of
piezo‐catalysis
in
environmental
remediation
applications,
performance
various
piezoelectric
materials
still
suffer
from
low
carrier
concentrations,
limited
mobility,
and
rapid
recombination
electron‐hole
pairs,
reported
modification
strategies
are
quite
intricate
challenging
to
implement.
Herein,
MoS
2
with
varying
degrees
crystallinity
is
synthesized
through
drying
thermal
treatment
processes,
effect
crystal
engineering
on
piezo‐activated
peroxomonosulfate
(PAP)
system
investigated.
The
annealed
at
700
°C
(M‐700)
a
crystallization
60.4%
exhibited
superior
PAP
system,
which
can
degrade
99.6%
bisphenol
A
within
30
min
mineralization
rate
57.0%.
positive
correlation
among
catalysts,
parameters
(
d
33
)
piezo‐catalytic
certain
range
proposed.
From
density
functional
perturbation
theory
(DFPT),
crystalline‐amorphous
hybrid
M‐700
provided
an
appropriate
charge
transfer
rate,
electron
concentration,
mechanical
strength,
more
conducive
stimulate
active
species
chain
reaction
PMS.
This
study
provides
novel
method
for
improving
activities
holds
great
promise
water
pollution
treatment.
